JANTXV1N3070-1 [MICROSEMI]

Rectifier Diode, 1 Element, 0.1A, Silicon, SIMILAR TO DO-7, 2 PIN;
JANTXV1N3070-1
型号: JANTXV1N3070-1
厂家: Microsemi    Microsemi
描述:

Rectifier Diode, 1 Element, 0.1A, Silicon, SIMILAR TO DO-7, 2 PIN

文件: 总17页 (文件大小:199K)
中文:  中文翻译
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The documentation and process conversion  
measures necessary to comply with this revision  
shall be completed by 4 February 2010.  
INCH-POUND  
MIL-PRF-19500/169N  
2 NOVEMBER 2009  
SUPERSEDING  
MIL-PRF-19500/169M  
10 APRIL 2008  
PERFORMANCE SPECIFICATION SHEET  
SEMICONDUCTOR DEVICE, DIODE, SILICON, SWITCHING,TYPES 1N3070, 1N3070-1,  
1N3070UR-1, 1N4938, 1N4938-1, 1N4938UR-1, JAN, JANTX, JANTXV, JANHC, AND JANKC  
Device types 1N3070, 1N3070-1, 1N3070UR-1, and 1N4938 are inactive for new design (see 6.4).  
This specification is approved for use by all Departments  
and Agencies of the Department of Defense.  
The requirements for acquiring the product described herein  
shall consist of this specification sheet and MIL-PRF-19500.  
1. SCOPE  
1.1 Scope. This specification covers the performance requirements for silicon, switching diodes. Three levels of  
product assurance are provided for each device type and two product assurance levels are provided for die, as  
specified in MIL-PRF-19500.  
1.2 Physical dimensions. See figures 1 (DO-35), 2 (DO-7), 3 (DO-213AA), 4 and 5 (die).  
1.3 Maximum ratings. T = +25°C, unless otherwise specified.  
A
V
BR  
V
RWM  
I
I
I
T
R
R
ΘJEC  
(2)  
R
O(PCB)  
= 75°C (1)  
FSM1  
t = 1s  
FSM2  
t = 1µs  
STG  
ΘJL  
ΘJA(PCB)  
(2) (3)  
and T  
L = .375 inch  
(9.53 mm) (2)  
T
p
J
A
p
V dc  
200  
V (pk)  
175  
mA  
mA (pk) A (pk)  
500  
°C  
°C/W  
°C/W  
°C/W  
100  
2
-65 to +175  
250  
100  
325  
(1) For temperature-current derating curves, see figure 6.  
(2) See figures 7 and 8 for thermal impedance curves.  
(3) T = +75°C for both axial and metal electrode leadless face diodes (MELF) (UR) on printed circuit board  
A
(PCB), PCB = FR4 - .0625 inch (1.59 mm) 1-layer 1-Oz Cu, horizontal, in still air; pads for (UR) = .061 inch  
(1.55 mm) x.105 inch (2.67 mm); pads for axial = .092 inch (2.34 mm) diameter, strip = .030 inch (0.76 mm)  
x 1 inch (25.4 mm) long, lead length L .187 inch (4.75 mm); R  
ΘJA  
with a defined PCB thermal  
resistance condition included is measured at I = 200 mA dc.  
O
1.4 Primary electrical characteristics. T = +25°C, unless otherwise indicated.  
A
V
I
at  
t
rr  
F1  
R1  
I
= 100mA dc  
V
R
= 175 V dc  
F
V dc  
1.0  
ns  
50  
µA dc  
0.1  
Comments, suggestions, or questions on this document should be addressed to Defense Supply Center,  
Columbus, ATTN: DSCC-VAC, P.O. Box 3990, Columbus, OH 43218-3990, or emailed to  
semiconductor@dscc.dla.mil . Since contact information can change, you may want to verify the currency of  
this address information using the ASSIST Online database at http://assist.daps.dla.mil .  
AMSC N/A  
FSC 5961  
MIL-PRF-19500/169N  
DO-35  
Dimensions  
Millimeters  
Symbol  
Inches  
Min  
Max  
.075  
.180  
.022  
1.500  
Min  
1.42  
3.56  
0.46  
25.40  
Max  
1.91  
4.57  
0.56  
38.10  
BD  
BL  
LD  
LL  
.056  
.140  
.018  
1.000  
NOTES:  
1. Dimensions are in inches.  
2. Millimeters are given for general information only.  
3. In accordance with ASME Y14.5M, diameters are equivalent to Φx symbology.  
FIGURE 1. Physical dimensions of 1N4938, 1N4938-1 and 1N3070-1 (DO-35).  
2
MIL-PRF-19500/169N  
DO-7  
Dimensions  
Inches Millimeters  
Type  
Symbol  
Min  
Max  
.107  
.300  
.022  
Min  
Max  
2.72  
7.62  
0.56  
BD  
BL  
LD  
LL  
.078  
.195  
.018  
1.98  
4.95  
0.46  
1N3070  
1N3070-1  
1.000 1.500 25.40 38.10  
NOTES:  
1. Dimensions are in inches.  
2. Millimeters are given for general information only.  
3. In accordance with ASME Y14.5M, diameters are equivalent to Φx symbology.  
FIGURE 2. Physical dimensions of 1N3070 and 1N3070-1 (DO-7).  
3
MIL-PRF-19500/169N  
UR  
DO-213AA  
Dimensions  
Inches Millimeters  
Min Max  
Symbol  
Min  
1.60  
3.30  
0.41  
0.03  
Max  
1.70  
3.71  
0.56  
BD  
BL  
ECT  
S
.063  
.130  
.016  
.001  
.067  
.146  
.022  
NOTES:  
1. Dimensions are in inches.  
2. Millimeters are given for general information only.  
3. Dimensions are pre-solder dip.  
4. Referencing to dimension S, minimum clearance of glass body to mounting surface on all orientations.  
5. In accordance with ASME Y14.5M, diameters are equivalent to Φx symbology.  
FIGURE 3. Physical dimensions and configuration for 1N3070UR-1 and 1N4938UR-1 (DO-213AA).  
4
MIL-PRF-19500/169N  
Design Data  
Metallization:  
Top: Cathode Au  
Back: Anode Au  
Dimension  
Inches Millimeters  
Symbol  
Min  
.019  
.008  
.007  
Max  
.025  
.012  
.011  
Min  
0.48  
0.20  
0.18  
Max  
0.64  
0.30  
0.28  
Au thickness: Top: 10,000Å minimum  
Au thickness: Back: 4,000Å minimum  
A
B
C
Chip thickness: 9 mils ±2 mils (0.229mm ±0.051mm)  
NOTES:  
1. Dimensions are in inches.  
2. Millimeters are given for general information only.  
FIGURE 4. JANC (A-version) die dimensions for 1N4938.  
5
MIL-PRF-19500/169N  
Design Data  
Metallization:  
Top: Anode Al  
Back: Cathode Au  
Dimension  
Inches Millimeters  
Symbol  
Min  
.016  
.016  
.007  
Max  
.018  
.018  
.009  
Min  
0.41  
0.41  
0.18  
Max  
0.46  
0.46  
0.23  
Al thickness: Top: 25,000Å minimum  
Au thickness: Back: 4,000Å minimum  
A
B
C
Chip thickness: 9 mils ±1 mil (0.23mm ±0.025mm)  
NOTES:  
1. Dimensions are in inches.  
2. Millimeters are given for general information only.  
* FIGURE 5. JANC (B-version) die dimensions for 1N4938.  
6
MIL-PRF-19500/169N  
2. APPLICABLE DOCUMENTS  
2.1 General. The documents listed in this section are specified in sections 3, 4, or 5 of this specification. This  
section does not include documents cited in other sections of this specification or recommended for additional  
information or as examples. While every effort has been made to ensure the completeness of this list, document  
users are cautioned that they must meet all specified requirements of documents cited in sections 3, 4, or 5 of this  
specification, whether or not they are listed.  
2.2 Government documents.  
2.2.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a  
part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are  
those cited in the solicitation or contract.  
DEPARTMENT OF DEFENSE SPECIFICATIONS  
MIL-PRF-19500  
DEPARTMENT OF DEFENSE STANDARDS  
MIL-STD-750 Test Methods for Semiconductor Devices.  
-
Semiconductor Devices, General Specification for.  
-
(Copies of these documents are available online at http://assist.daps.dla.mil/quicksearch/ or  
http://assist.daps.dla.mil or from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D,  
Philadelphia, PA 19111-5094.)  
* 2.3 Order of precedence. Unless otherwise noted herein or in the contract, in the event of a conflict between the  
text of this document and the references cited herein, the text of this document takes precedence. Nothing in this  
document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained.  
3. REQUIREMENTS  
3.1 General. The individual item requirements shall be as specified in MIL-PRF-19500 and as modified herein.  
3.2 Qualification. Devices furnished under this specification shall be products that are manufactured by a  
manufacturer authorized by the qualifying activity for listing on the applicable qualified manufacturers list (QML)  
before contract award (see 4.2 and 6.3).  
3.3 Abbreviations, symbols, and definitions. Abbreviations, symbols, and definitions used herein shall be as  
specified in MIL-PRF-19500.  
3.4 Interface and physical dimensions. Interface and physical dimensions shall be as specified in  
MIL-PRF-19500, and on figures 1 (DO-35), 2 (DO-7), 3 (DO-213AA), 4 and 5 (die).  
3.4.1 Lead finish. Lead finish shall be solderable in accordance with MIL-PRF-19500, MIL-STD-750, and herein.  
Where a choice of lead finish is desired, it shall be specified in the acquisition document (see 6.2).  
3.4.2 Diode construction. All devices shall be metallurgically bonded, double plug construction in accordance with  
the requirements of MIL-PRF-19500. All glass diodes shall be designed with sufficient thermal compensation in the  
axial direction to optimize tensile and compressive stresses. Dimensional analysis is required of all materials used to  
achieve axial thermal compensation. Dimensional tolerances and corresponding coefficient of thermal expansion  
(CTE) shall be documented on the DSCC Design and Construction Form 36D and shall be approved by the qualifying  
activity to maintain qualification. Dimensional tolerances shall be sufficiently tight enough to prevent excessive  
stresses due to the inherent CTE mismatch. The UR version shall be structurally identical to the axial leaded  
versions except for end-cap lead attachment.  
7
MIL-PRF-19500/169N  
3.5 Marking. Marking shall be in accordance with MIL-PRF-19500. Manufacturer’s identification and date code  
shall be marked on the devices. Initial container package marking shall be in accordance with MIL-PRF-19500. The  
polarity shall be indicated with a contrasting color band to denote the cathode end. The prefixes JAN, JANTX, and  
JANTXV can be abbreviated as J, JX, and JV, respectively. The part number may be reduced to J4938, JX4938, or  
JV4938. No color coding shall be permitted for part numbering.  
3.5.1 UR devices. For ‘UR’ version devices only, all marking, except polarity may be omitted from the body, but  
shall be retained on the initial container. Polarity marking of ‘UR’ devices shall consist as a minimum, a band or three  
contrasting dots around the periphery of the cathode.  
3.6 Electrical performance characteristics. Unless otherwise specified herein, the electrical performance  
characteristics are as specified in 1.3, 1.4, and table I.  
3.7 Electrical test requirements. The electrical test requirements shall be as specified in table I herein.  
3.8 Workmanship. Semiconductor devices shall be processed in such a manner as to be uniform in quality and  
shall be free from other defects that will affect life, serviceability, or appearance.  
4. VERIFICATION  
4.1 Classification of inspections. The inspection requirements specified herein are classified as follows:  
a. Qualification inspection (see 4.2).  
b. Screening (see 4.3).  
c. Conformance inspection (see 4.4).  
4.2 Qualification inspection. Qualification inspection shall be in accordance with MIL-PRF-19500 and as specified  
herein.  
4.2.1 Group E qualification. Group E inspection shall be performed for qualification or re-qualification only. In  
case qualification was awarded to a prior revision of the specification sheet that did not require the performance of  
table II tests, the tests specified in table II herein that were not performed in the prior revision shall be performed on  
the first inspection lot of this revision to maintain qualification.  
4.3 Screening (JANTXV, JANTX, and JAN levels). Screening shall be in accordance with table E-IV of  
MIL-PRF-19500 and as specified herein. Specified electrical measurements shall be made in accordance with table I  
herein. Devices that exceed the limits of table I herein shall not be acceptable.  
Screening  
(see table E-IV of  
MIL-PRF-19500)  
JANTXV and JANTX level  
Thermal impedance (see 4.3.3)  
(1) 3c  
9
10  
Not required  
Method 1038 of MIL-STD-750, condition A  
I
and V  
(2) 11  
12  
(3) (4) 13  
R1  
See 4.3.2  
Subgroup 2 of table I herein; I  
F1  
= 100 percent of initial value or 50 nA dc,  
R1  
whichever is greater; V ≤ 25mVdc.  
F1  
(1) Thermal impedance shall be performed any time after sealing provided temperature cycling is performed in  
accordance with MIL-PRF-19500, screen 3 prior to this thermal test.  
(2) Test within 24 hours after removal from test.  
(3) When thermal impedance is performed prior to screen 13, it is not required to be repeated in screen 13.  
(4) PDA 5 percent.  
8
MIL-PRF-19500/169N  
4.3.1 Screening (JANHC and JANKC). Screening of JANHC and JANKC die shall be in accordance with  
appendix G of MIL-PRF-19500. Burn-in duration for the JANHC follows JANTX requirements; the JANKC level  
follows JANS requirements.  
4.3.1.1 JAN testing. JAN level product will have temperature cycling and thermal impedance testing performed in  
accordance with MIL-PRF-19500 JANTX level screening level requirements.  
4.3.2 Power burn-in conditions. Power burn-in conditions are as follows (see 4.5.1): Method 1038 of  
MIL-STD-750, condition B. V = rated V  
; f = 50 - 60 Hz; I (min) or I . The maximum current  
= I  
R
RWM  
O
F(min) O(PCB)  
density of small die shall be submitted to the qualifying activity for approval. With approval of the qualifying activity  
and preparing activity, alternate burn-in criteria (hours, bias conditions, mounting conditions) may be used for JANTX  
and JANTXV quality levels. A justification demonstrating equivalence is required. In addition, the manufacturing  
site’s burn-in data and performance history will be essential criteria for burn-in modification approval.  
4.3.3 Thermal impedance. The thermal impedance measurements shall be performed in accordance with method  
3101 or 4081 of MIL-STD-750 using the guidelines in that method for determining I , I , t , t  
(V and V where  
C H  
M H H SW  
appropriate). Measurement delay time (t  
) = 70 µs max. See table II, group E, subgroup 4 herein.  
MD  
4.4 Conformance inspection. Conformance inspection shall be in accordance with MIL-PRF-19500 and as  
specified herein.  
4.4.1 Group A inspection. Group A inspection shall be conducted in accordance with table E-V of MIL-PRF-19500,  
table I herein, and as specified herein. Electrical measurements (end-points) shall be in accordance with table I,  
subgroup 2 herein.  
4.4.2 Group B inspection. Group B inspection shall be conducted in accordance with the conditions specified for  
subgroup testing in table E-VIb (JAN, JANTX, and JANTXV) of MIL-PRF-19500 and 4.4.2.1 herein. Electrical  
measurements (end-points) shall be in accordance with table I, subgroup 2.  
* 4.4.2.1 Group B inspection, table E-VIb (JAN, JANTX, and JANTXV) of MIL-PRF-19500. Leaded samples from  
the same lot may be used in lieu of ‘UR’ suffix sample for life test.  
Subgroup Method  
Conditions  
B2  
B2  
1056  
1051  
0°C to +100°C, 10 cycles.  
-55°C to +175°C, 45 cycles, including screening.  
= +150°C; (not applicable to UR package).  
B2  
B3  
2005  
1026  
I = 100 mA, axial tensile stress = 10 lbs, T  
A
F
V
= rated V  
; f = 50 - 60 Hz; I = 100 mA dc minimum; adjust T or I to obtain a  
(pk)  
minimum T of +150°C (see 4.5.1).  
RWM  
O
A
O
J
B4  
B6  
2101  
1032  
Decap analysis; scribe and break only.  
= +175°C.  
T
A
4.4.3 Group C inspection. Group C inspection shall be conducted in accordance with the conditions specified for  
subgroup testing in table E-VII of MIL-PRF-19500, and as follows. Electrical measurements (end-points) shall be in  
accordance with table I, subgroup 2 herein.  
9
MIL-PRF-19500/169N  
4.4.3.1 Group C inspection, table E-VII of MIL-PRF-19500.  
Subgroup Method Conditions  
C2  
C2  
C2  
1056  
1051  
2036  
0°C to + 100°C, 10 cycles.  
-55°C to + 175°C, 45 cycles including screening.  
Tension - test condition A; weight = 10 pounds, t = 15 s; lead fatigue = condition E  
(not applicable to ‘UR’ suffix types).  
C5  
C6  
4081  
1026  
L = .375 inch (9.53 mm), R  
22 devices, c = 0.  
= 250°C/W maximum; R = 100°C/W; (see 4.3.3),  
ΘJEC  
ΘJL  
1,000 hours minimum, V(  
pk)  
= rated V  
; f = 50 - 60 Hz; I = 100 mA dc minimum; adjust  
RWM  
O
T or I to obtain a minimum T of +150°C (see 4.5.1).  
A
O
J
4.4.4 Group E inspection. Group E inspection shall be conducted in accordance with the tests and conditions  
specified for subgroup testing in table E-IX of MIL-PRF-19500, and table II herein. Electrical measurements (end-  
points) shall be in accordance with table I, subgroup 2 herein.  
4.5 Methods of inspection. Methods of inspection shall be as specified in the appropriate tables and as follows.  
4.5.1 Free air power burn-in and life tests. The use of a current limiting or ballast resistor is permitted provided  
that each device under test still sees the full P (minimum) and that the minimum applied voltage, where applicable, is  
t
maintained throughout the burn-in period. Method 3100 of MIL-STD-750 shall be used to measure T  
J.  
4.5.2 Pulse measurements. Conditions for pulse measurements shall be as specified in section 4 of  
MIL-STD-750.  
10  
MIL-PRF-19500/169N  
TABLE I. Group A inspection.  
MIL-STD-750  
Conditions  
Limit  
Min Max  
Inspection 1/  
Subgroup 1  
Symbol  
Unit  
Method  
2071  
Visual and mechanical  
examination  
Subgroup 2  
Thermal impedance 2/  
Forward voltage  
3101  
4011  
4021  
4016  
See 4.3.3  
Z
°C/W  
V dc  
ΘJX  
I
I
= 100 mA dc  
V
V
1.0  
F
F1  
Breakdown voltage  
Reverse current  
200  
V dc  
= 100 µA dc  
BR  
R1  
R
DC method, V = 175 V dc  
I
I
100  
nA dc  
R
Subgroup 3  
High temperature operation:  
Reverse current  
T
= +150°C  
A
4016  
4011  
DC method, V = 175 V dc  
100  
1.2  
µA dc  
R
R2  
Low temperature operation:  
Forward voltage  
T
= -55°C  
A
I
= 100 mA dc  
V
V dc  
F
F2  
Subgroup 4  
Junction capacitance  
4001  
4031  
V
V
= 0 V dc, f = 1 MHz,  
C
5.0  
50  
pF  
ns  
R
1
= 50 mV  
maximum  
p-p  
sig  
Reverse recovery time  
t
rr  
Condition B, I = 30 mA dc,  
F
I
= 30 mA dc, I  
= 3.0 mA dc  
R(REC)  
R
Scope display evaluation  
4023  
Method 4023 of MIL-STD-750,  
figures 4023-3, -7, -9, -10 only  
Subgroup 5  
Not applicable  
Subgroup 6  
Surge current  
4066  
I
= 0 mA dc; ten surges at 1 for each  
F
minute; t = 1 µs; I  
= 2.0 A (pk)  
p
FSM  
Electrical measurements  
Table I, subgroup 2  
1/ For sampling plan, see MIL-PRF-19500.  
2/ Not applicable to JANC.  
11  
MIL-PRF-19500/169N  
TABLE II. Group E inspection (all quality levels) for qualification and requalification only.  
MIL-STD-750  
Qualification  
inspection  
Inspection  
Method  
Conditions  
Subgroup 1  
Thermal shock (glass strain)  
Temperature cycling  
Hermetic seal  
n = 45, c = 0  
1056  
1051  
1071  
100 cycles 0°C to 100°C  
500 cycles, -65°C to +175°C  
Gross leak only  
Electrical measurement  
Subgroup 2  
See table I, subgroup 2  
Intermittent operating life  
Electrical measurements  
Subgroup 4  
1037  
10,000 cycles  
See table I, subgroup 2  
Thermal impedance curves  
Subgroup 5  
See MIL-PRF-19500  
Not applicable  
n = 3  
Subgroup 6  
1020  
1057  
ESD  
n = 45  
Subgroup 8  
Test condition B. Test until failure occurs or to a  
maximum of 25 cycles, whichever comes first.  
Resistance to glass cracking  
n = 22, c = 0  
Subgroup 9  
1055  
Monitored mission  
temperature cycling  
See table I, subgroup 2  
Electrical measurements  
12  
MIL-PRF-19500/169N  
Temperature-Current Derating Curve  
All Parts  
DC Operation  
= 325°C/W  
T
PCB  
(°C) (PCB)  
R
ΘJA(PCB)  
NOTES:  
1. This is the true inverse of the worst case thermal resistance value. All devices are capable of operating at T  
J
specified on this curve. Any parallel line to this curve will intersect the appropriate power for the desired  
maximum T allowed.  
J
2. Derate design curve constrained by the maximum junction temperature (T 175°C) and current rating  
J
specified (see 1.3).  
3. Derate design curve chosen at T 150°C, where the maximum temperature of electrical test is performed.  
J
4. Derate design curves chosen at T 125°C, and 110°C to show current rating where most users want to limit  
J
T in their application.  
J
FIGURE 6. Temperature-current derating graph (all devices).  
13  
MIL-PRF-19500/169N  
1N4938-1, 1N4938 DO-35 Axial T = 25°C  
L
Maximum Thermal Impedance Plots  
1000  
100  
10  
1
0.0001  
0.001  
0.01  
0.1  
Time (s)  
1
10  
100  
R
= 250°C/W  
ΘJL  
NOTE: Z  
= 70°C/W maximum at t = 10ms.  
ΘJX  
H
FIGURE 7. Thermal impedance (axial leads).  
14  
MIL-PRF-19500/169N  
1N4938UR-1 DO-213AA T  
= 25°C  
EC  
Maximum Thermal Impedance Plots  
1000  
100  
10  
1
0.0001  
0.001  
0.01  
0.1  
1
10  
Time (s)  
R
= 100°C/W  
ΘJEC  
NOTE: Z  
= 70°C/W maximum at t = 10ms.  
ΘJX  
H
FIGURE 8. Thermal impedance (MELF surface mount).  
15  
MIL-PRF-19500/169N  
5. PACKAGING  
5.1 Packaging. For acquisition purposes, the packaging requirements shall be as specified in the contract or order  
(see 6.2). When packaging of materiel is to be performed by DoD or in-house contractor personnel, these personnel  
need to contact the responsible packaging activity to ascertain packaging requirements. Packaging requirements are  
maintained by the Inventory Control Point's packaging activities within the Military Service or Defense Agency, or  
within the Military Service’s system commands. Packaging data retrieval is available from the managing Military  
Department's or Defense Agency's automated packaging files, CD-ROM products, or by contacting the responsible  
packaging activity.  
6. NOTES  
(This section contains information of a general or explanatory nature that may be helpful, but is not mandatory. The  
notes specified in MIL-PRF-19500 are applicable to this specification.)  
6.1 Intended use. Semiconductors conforming to this specification are intended for original equipment design  
applications and logistic support of existing equipment.  
6.2 Acquisition requirements. Acquisition documents should specify the following:  
a. Title, number, and date of this specification.  
b. Packaging requirements (see 5.1).  
c. Lead finish (see 3.4.1).  
d. Product assurance level and type designator.  
e. Destructive physical analysis when requested.  
* 6.3 Qualification. With respect to products requiring qualification, awards will be made only for products which are,  
at the time of award of contract, qualified for inclusion in Qualified Manufacturers List (QML 19500) whether or not  
such products have actually been so listed by that date. The attention of the contractors is called to these  
requirements, and manufacturers are urged to arrange to have the products that they propose to offer to the Federal  
Government tested for qualification in order that they may be eligible to be awarded contracts or orders for the  
products covered by this specification. Information pertaining to qualification of products may be obtained from  
Defense Supply Center, Columbus, ATTN: DSCC/VQE, P.O. Box 3990, Columbus, OH 43218-3990 or e-mail  
vqe.chief@dla.mil . An online listing of products qualified to this specification may be found in the Qualified Products  
Database (QPD) at http://assist.daps.dla.mil .  
* 6.4 Substitution information. Device types 1N3070, 1N3070-1, 1N3070UR-1, and 1N4938 are inactive for new  
design as of the date of this specification. The 1N4938-1 devices are a direct substitute and preferred for the  
1N3070-1 and non dash-one devices. The following table shows the direct substitutability.  
Superseded part  
number  
Superseding part  
number  
1N3070  
1N4938-1  
1N3070-1  
1N4938  
1N4938-1  
1N4938-1  
1N3070UR-1  
1N4938UR-1  
16  
MIL-PRF-19500/169N  
* 6.5 Suppliers of die. The qualified die suppliers with the applicable letter version (e.g., JANHCA1N4938,  
JANHCB1N4938) will be identified on the QML.  
JANC ordering information  
Manufacturer  
PIN  
43611  
JANHCA1N4938, JANKCA1N4938  
JANHCB1N4938, JANKCB1N4938  
1N4938  
6.6 Changes from previous issue. The margins of this specification are marked with asterisks to indicate where  
changes from the previous issue were made. This was done as a convenience only and the Government assumes  
no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the  
requirements of this document based on the entire content irrespective of the marginal notations and relationship to  
the last previous issue.  
Custodians:  
Army - CR  
Navy - EC  
Air Force - 85  
NASA - NA  
DLA - CC  
Preparing activity:  
DLA - CC  
(Project 5961-2008-118)  
Review activities:  
Army - MI, SM  
Navy - AS  
Air Force - 19, 99  
NOTE: The activities listed above were interested in this document as of the date of this document. Since  
organizations and responsibilities can change, you should verify the currency of the information above using the  
ASSIST Online database at http://assist.daps.dla.mil .  
17  

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