AA5556401-007 [LITTELFUSE]

RESISTOR, VOLTAGE DEPENDENT, 369V, 140J, CHASSIS MOUNT;
AA5556401-007
型号: AA5556401-007
厂家: LITTELFUSE    LITTELFUSE
描述:

RESISTOR, VOLTAGE DEPENDENT, 369V, 140J, CHASSIS MOUNT

文件: 总10页 (文件大小:169K)
中文:  中文翻译
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Varistor Products  
Aerospace and Military  
MIL  
QPL  
High Reliability Varistors  
The high reliability Littelfuse varistor is the latest step in increased  
product performance, and is available for applications requiring quality  
and reliability assurance levels consistent with military or other standards.  
(MIL-STD-19500, MIL-S-750, Method 202). Additionally, Littelfuse  
varistors are inherently radiation hardened compared to silicon diode  
suppressors as illustrated in Figure 1.  
AGENCY APPROVALS  
DSSC Approved  
QPL Listed  
CECC Certified  
ISO Approved  
UL Recognized  
CSA Certified  
This series of high-reliability varistors involve five categories:  
DSSC Qualified Parts List (QPL) MIL-R-83530 4 Types Presently Available  
DSSC Standard Military Drawings Based on MIL-R 83530 63 Types  
Presently Available:  
- ZA Series - Drawing # 87063  
- DB Series - Drawing # 90065  
Littelfuse High Reliability Series Offers TX Equivalents 29 Types  
Presently Available  
Custom Types Processed to Customer-Specific Requirements - (SCD)  
or to Standard Military Flow  
Commercial Items have been identified for Government use as follows:  
- Commercial Item Description AA-55564-3 - Littelfuse ZA Series  
- Commercial Item Description AA-55564-2 - Littelfuse DA, DB Series  
- Commercial Item Description AA-55564-1 - Littelfuse PA Series  
DSSC Qualified Parts List (QPL) MIL-R-83530  
TABLE 1. MIL-R-83530/1 RATINGS AND CHARACTERISTICS  
VO LTA G E  
RATING  
(V)  
CLAMPING  
VO LTA G E  
AT PEAK  
CURRENT  
RATING  
(V)  
NOMINAL  
VARISTOR  
NUMBER VO LTA G E  
CLAMPING  
VO LTA G E  
AT 100A  
(V)  
PA R T  
ENERGY  
RATING  
(J)  
CAPACITANCE  
AT 1MHz  
(pF)  
NEAREST  
TOLERANCE  
(%)  
I
COMMERCIAL  
EQUIVALENT  
TM  
(A)  
M83530/  
1-2000B  
1-2200D  
1-4300E  
1-5100E  
(V)  
200  
220  
430  
510  
(RMS) (DC)  
10  
130  
150  
275  
320  
175  
200  
369  
420  
50  
55  
325  
360  
680  
810  
3800  
3200  
1800  
1500  
570  
650  
6000 V130LA20B  
6000 V150LA20B  
6000 V275LA40B  
6000 V320LA40B  
+10, -5  
+5, -10  
+5, -10  
100  
120  
1200  
1450  
This series of varistors are screened and conditioned in accordance with MIL-R-83530 as outlined in Table 2. Manufacturing system conforms to  
MIL-I-45208; MIL-Q-9858.  
140  
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Varistor Products  
Aerospace and Military  
High Reliability Varistors  
MIL-R-83530 Inspections  
TABLE 2. MIL-R-83530 GROUP A, B, AND C INSPECTIONS  
AQL  
(PERCENT  
DEFECTIVE)  
NUMBER OF  
SAMPLE UNITS  
FAILURES  
ALLOWED  
INSPECTION  
SUBGROUP 1  
MAJOR  
MINOR  
2
Group A  
High Temperature Life (Stabilization Bake)  
Thermal Shock  
100%  
100%  
100%  
100%  
100%  
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Power Burn-In  
Clamping Voltage  
Nominal Varistor Voltage  
SUBGROUP 2  
Visual and Mechanical Examination  
Body Dimensions  
Diameter and Length of Leads  
Marking  
-
-
-
-
-
1.0% AQL  
7.6% LQ  
25% AQL  
13.0% LQ  
Per Plan  
Per Plan  
Per Plan  
Per Plan  
Per Plan  
-
-
-
-
-
Workmanship  
SUBGROUP 3  
Solderability  
-
-
-
-
-
-
-
-
-
Per Plan  
Per Plan  
Per Plan  
-
-
-
Group B  
SUBGROUP 1  
Dielectric Withstanding Voltage  
SUBGROUP 2  
Resistance to Solvents  
SUBGROUP 3  
Terminal Strength (Lead Fatigue)  
Moisture Resistance  
Peak Current  
-
-
-
-
-
-
-
-
-
-
-
-
Per Plan  
Per Plan  
Per Plan  
Per Plan  
-
-
-
-
Energy  
Group C  
EVERY 3 MONTHS  
High Temperature Storage  
Operating Life (Steady State)  
Pulse Life  
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
10  
10  
10  
10  
10  
10  
10  
0
0
0
0
0
0
0
Shock  
Vibration  
Constant Acceleration  
Energy  
141  
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Varistor Products  
Aerospace and Military  
High Reliability Varistors  
DSSC Standard Military Drawing # 87063  
Based on MIL-R-83530  
TABLE 3. ZA SERIES RATINGS AND SPECIFICATIONS  
o
o
MAXIMUM RATINGS (85 C)  
SPECIFICATIONS (25 C)  
CONTINUOUS TRANSIENT  
MAXIMUM  
CLAMPING  
VOLTAGE  
PEAK  
ENERGY CURRENT  
(10/1000µs) (8/20µs)  
VARISTOR VOLTAGE  
AT 1mA  
V
AT TEST  
C
CURRENT  
TYPICAL  
CAPACITANCE  
DC  
TEST CURRENT  
(SEE  
CHAPTER 2)  
NEAREST  
COMM.  
RMS  
DC  
(8/20µs)  
87063  
DASH  
NO.  
V
V
W
I
MIN  
(V)  
V
MAX  
(V)  
26  
V
I
C
f = 1MHz  
(pF)  
M(AC) M(DC)  
TM  
TM  
N(DC)  
(V)  
C
(PAGE 143)  
SIZE  
EQUIV.  
(V)  
14  
14  
14  
14  
14  
(V)  
18  
18  
18  
18  
18  
(J)  
(A)  
35  
(V)  
51  
47  
43  
43  
43  
(A)  
2
001 V22ZA05  
002 V22ZA1  
003 V22ZA2  
004 V22ZA3  
005 V24ZA50  
1
2
3
4
5
0.2  
0.9  
2.0  
4.0  
6.5  
18.7  
18.7  
18.7  
18.7  
19.2  
22  
22  
22  
22  
24  
400  
150  
350  
750  
1500  
26  
5
1600  
4000  
9000  
18000  
26  
5
26  
10  
20  
26  
(PAGE 143)  
006 V27ZA05  
007 V27ZA1  
008 V27ZA2  
009 V27ZA4  
010 V27ZA60  
1
2
3
4
5
17  
17  
17  
17  
17  
22  
22  
22  
22  
22  
0.25  
1.0  
2.5  
5.0  
8.0  
35  
150  
350  
750  
1500  
23  
23  
23  
23  
23  
27  
27  
27  
27  
31.1  
31.1  
31.1  
31.1  
31.1  
59  
57  
53  
53  
50  
2
5
300  
1300  
3000  
7000  
15000  
5
10  
20  
27  
(PAGE 143)  
011 V33ZA05  
012 V33ZA1  
013 V33ZA2  
014 V33ZA5  
015 V33ZA70  
1
2
3
4
5
20  
20  
20  
20  
21  
26  
26  
26  
26  
27  
0.3  
1.2  
3.0  
6.0  
9.0  
35  
150  
350  
750  
1500  
29.5  
29.5  
29.5  
29.5  
29.5  
33  
33  
33  
33  
38  
67  
68  
64  
64  
58  
2
5
250  
1100  
2700  
6000  
13000  
36.5  
36.5  
36.5  
36.5  
5
10  
20  
33  
(PAGE 143)  
016 V36ZA80  
5
23  
31  
10.0  
1500  
32  
36  
40  
63  
20  
12000  
(PAGE 143)  
017 V39ZA05  
018 V39ZA1  
019 V39ZA3  
020 V39ZA6  
021 V47ZA05  
022 V47ZA1  
023 V47ZA3  
024 V47ZA7  
025 V56ZA05  
1
2
3
4
1
2
3
4
1
25  
25  
25  
25  
30  
30  
30  
30  
35  
31  
31  
31  
31  
38  
38  
38  
38  
45  
0.35  
1.5  
3.5  
7.2  
0.4  
1.8  
4.5  
8.8  
0.5  
35  
150  
350  
750  
35  
35  
35  
35  
35  
42  
42  
42  
42  
50  
39  
39  
39  
39  
47  
47  
47  
47  
56  
46  
43  
43  
43  
55  
52  
52  
52  
66  
79  
79  
76  
76  
90  
92  
89  
89  
108  
2
5
220  
900  
5
2200  
5000  
200  
10  
2
150  
350  
750  
35  
5
800  
5
2000  
4500  
180  
10  
2
142  
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Varistor Products  
Aerospace and Military  
High Reliability Varistors  
TABLE 3. ZA SERIES RATINGS AND SPECIFICATIONS (Continued)  
o
o
MAXIMUM RATINGS (85 C)  
SPECIFICATIONS (25 C)  
CONTINUOUS  
TRANSIENT  
MAXIMUM  
CLAMPING  
VOLTAGE  
2
PEAK  
ENERGY CURRENT  
(10/1000µs) (8/20µs)  
VARISTOR VOLTAGE  
AT 1mA  
V
AT TEST  
C
CURRENT  
TYPICAL  
CAPACITANCE  
DC  
TEST CURRENT  
(SEE  
SECTION 4)  
NEAREST  
COMM.  
RMS  
DC  
(8/20µs)  
87063  
DASH  
NO.  
V
V
W
I
MIN  
(V)  
50  
V
MAX  
(V)  
62  
V
I
C
f = 1MHz  
(pF)  
700  
M(AC) M(DC)  
TM  
TM  
N(DC)  
(V)  
C
(NOTE 1)  
SIZE  
EQUIV.  
(V)  
35  
35  
35  
40  
40  
40  
40  
50  
50  
50  
50  
60  
60  
60  
60  
75  
75  
75  
75  
92  
95  
95  
95  
110  
115  
115  
115  
(V)  
45  
(J)  
(A)  
150  
350  
750  
35  
(V)  
(A)  
5
026 V56ZA2  
027 V56ZA3  
028 V56ZA8  
029 V68ZA05  
030 V68ZA2  
031 V68ZA3  
032 V68ZA10  
033 V82ZA05  
034 V82ZA2  
035 V82ZA4  
036 V82ZA12  
037 V100ZA05  
038 V100ZA3  
039 V100ZA4  
040 V100ZA15  
041 V120ZA05  
042 V120ZA1  
043 V120ZA4  
044 V120ZA6  
045 V150ZA05  
046 V150ZA1  
047 V150ZA4  
048 V150ZA8  
049 V180ZA05  
050 V180ZA1  
051 V180ZA5  
052 V180ZA10  
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
2.3  
5.5  
56  
56  
107  
103  
103  
127  
127  
123  
123  
145  
135  
135  
145  
175  
165  
165  
175  
205  
205  
200  
210  
240  
250  
250  
255  
290  
295  
300  
300  
45  
50  
62  
5
1800  
3900  
150  
45  
10.0  
0.6  
50  
56  
62  
10  
2
56  
61  
68  
80  
56  
3.0  
150  
350  
750  
70  
61  
68  
75  
5
600  
56  
6.5  
61  
68  
75  
5
1500  
3300  
120  
56  
13.0  
1.2  
61  
68  
75  
10  
2
66  
73  
82  
97  
66  
3.5  
300  
750  
1500  
70  
73  
82  
91  
10  
25  
50  
2
500  
66  
7.3  
73  
82  
91  
1100  
2500  
90  
66  
13.0  
1.5  
73  
82  
91  
81  
90  
100  
100  
100  
100  
120  
120  
120  
120  
150  
150  
150  
150  
180  
180  
180  
180  
117  
110  
110  
110  
138  
132  
132  
132  
173  
165  
165  
165  
207  
198  
198  
198  
81  
4.3  
300  
750  
1500  
100  
400  
1000  
2000  
100  
400  
1000  
2000  
150  
500  
1500  
3000  
90  
10  
25  
50  
2
400  
81  
8.9  
90  
900  
81  
16.0  
1.8  
90  
2000  
70  
102  
102  
102  
102  
127  
127  
127  
127  
153  
153  
153  
153  
108  
108  
108  
108  
135  
135  
135  
135  
162  
162  
162  
162  
5.3  
10  
25  
50  
2
300  
11.0  
19.0  
2.3  
750  
1700  
60  
6.5  
10  
25  
50  
2
250  
13.0  
23.0  
2.7  
600  
1400  
50  
7.7  
10  
25  
50  
200  
16.0  
27.0  
500  
1100  
143  
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Varistor Products  
Aerospace and Military  
High Reliability Varistors  
DSSC Standard Military Drawing # 90065  
Based on MIL-R-83530  
MAX CLAMPING  
VOLTAGE AT  
TEST CURRENT  
VOLTAGE  
RATING  
MAX  
NOMINAL  
VARISTOR  
VOLTAGE  
(V)  
90065  
DASH  
NO.  
ENERGY  
MAX  
PEAK  
CURRENT  
(A)  
TYPICAL  
CAPACITANCE  
(pF)  
(RMS)  
(J)  
(V)  
345  
(I)  
012  
013  
014  
015  
016  
017  
018  
019  
020  
021  
022  
130  
150  
250  
275  
320  
420  
480  
510  
575  
660  
750  
170  
200  
270  
300  
350  
460  
510  
550  
600  
690  
810  
22500  
22500  
22500  
22500  
22500  
28800  
28800  
28800  
28800  
28800  
28800  
200  
+28, -16  
28  
200  
200  
200  
200  
200  
200  
200  
200  
200  
200  
200  
10000  
8000  
5000  
4500  
3800  
3000  
2700  
2500  
2200  
2000  
1800  
240  
390  
430  
510  
680  
750  
820  
910  
1050  
1200  
405  
+39, -36  
43  
650  
730  
+29, -48  
+68, -70  
+74, -80  
+91, -85  
+95, -105  
110  
830  
1130  
1240  
1350  
1480  
1720  
2000  
120  
NOTE: See Section 4 (DB Series) for nearest equivalent commercial type.  
TABLE 4. DB SERIES RATINGS AND SPECIFICATIONS  
Littelfuse High Reliability Series TX Equivalents  
TABLE 5. AVAILABLE TX MODEL TYPES  
(SEE SECTION 4)  
NEAREST  
(SEE SECTION 4)  
NEAREST  
MODEL  
SIZE  
DEVICE  
MARK  
COMMERCIAL  
EQUIVALENT  
MODEL  
SIZE  
DEVICE  
MARK  
COMMERCIAL  
EQUIVALENT  
TX MODEL  
V8ZTX1  
TX MODEL  
V150LTX2  
7mm  
10mm  
7mm  
8TX1  
8TX2  
V8ZA1  
7mm  
14mm  
20mm  
7mm  
150TX  
V150LA2  
V8ZTX2  
V8ZA2  
V150LTX10A  
V150LTX20B  
V250LTX4  
150TX10 V150LA10A  
150TX20 V150LA20B  
V12ZTX1  
V12ZTX2  
V22ZTX1  
V22ZTX3  
V24ZTX50  
V33ZTX1  
V33ZTX5  
V33ZTX70  
V68ZTX2  
V68ZTX10  
V82ZTX2  
V82ZTX12  
V130LTX2  
V130LTX10A  
V130LTX20B  
12TX1  
12TX2  
22TX1  
22TX3  
24TX50  
33TX1  
33TX5  
33TX70  
68TX2  
68TX10  
82TX2  
82TX12  
130TX  
V12ZA1  
V12ZA2  
V22ZA1  
V22ZA3  
V24ZA50  
V33ZA1  
V33ZA5  
V33ZA70  
V68ZA2  
V68ZA10  
V82ZA2  
V82ZA12  
V130LA2  
10mm  
7mm  
250TX  
V250LA4  
V250LTX20A  
V250LTX40B  
V420LTX20A  
V420LTX40B  
V480LTX40A  
V480LTX80B  
V510LTX40A  
V510LTX80B  
14mm  
20mm  
14mm  
20mm  
14mm  
20mm  
14mm  
20mm  
250TX20 V250LA20A  
250TX40 V250LA40B  
420TX20 V420LA20A  
420TX40 V420LA40B  
480TX40 V480LA40A  
480TX80 V480LA80B  
510TX40 V510LA40A  
510TX80 V510LA80B  
14mm  
20mm  
7mm  
14mm  
20mm  
7mm  
14mm  
7mm  
14mm  
7mm  
14mm  
20mm  
130TX10 V130LA10A  
130TX20 V130LA20A  
144  
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High Reliability Varistors  
The TX series of varistors are 100% screened and conditioned in accordance with MIL-STD-750. Tests are as outlined in Table 6.  
QA ACCEPTANCE  
SAMPLE PER  
INSPECTION LOTS  
FORMED AFTER  
ASSEMBLY  
REVIEW OF DATA  
TX PREPARATION  
FOR DELIVERY  
LOTS PROPOSED  
FOR TX TYPES  
100% SCREENING  
2
APPLICABLE DEVICE  
SPECIFICATION  
TABLE 6. TX EQUIVALENTS SEREIES 100% SCREENING  
MIL-STD-105  
LEVEL  
AQL  
LTPD  
Electrical (Bidirectional)  
II  
0.1  
-
V
, V (Per Specifications Table)  
N(DC)  
C
Dielectric Withstand Voltage  
MIL-STD-202, Method 301, 2500V Min at 1.0µA  
-
-
-
-
15  
15  
DC  
Solderability  
MIL-STD-202, Method 208, No Aging, Non-Activated  
TABLE 7. QUALITY ASSURANCE ACCEPTANCE TEST  
MIL-STD-750  
METHOD  
TX  
SCREEN  
CONDITION  
REQUIREMENTS  
High Temperature Life  
(Stabilization Bake)  
1032  
24 hours min at max rated storage temperature.  
100%  
100%  
o
Thermal Shock  
(Temperature Cycling)  
1051  
No dwell is required at 25 C. Test condition A1, 5 cycles  
o
o
-55 C to 125 C (extremes) >10 minutes.  
o
Humidity Life  
85 C, 85% R.H., 168Hr.  
100%  
Interim Electrical V  
(Note 3)  
V
As specified, but including delta parameter as a minimum.  
100% Screen  
N(DC)  
C
o
Power Burn-In  
1038  
2071  
Condition B, 85 C, rated V  
, 72 hours min.  
100%  
M(AC)  
Final Electrical +V  
(Note 3)  
V
As specified - All parameter measurements must be  
completed within 96 hours after removal from burn-in  
conditions.  
100% Screen  
N(DC)  
C
External Visual Examination  
To be performed after complete marking.  
100%  
145  
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Custom Types  
In addition to our comprehensive high-reliability series as referenced above. Additional mechanical and environmental capabilities are defined in Table 8.  
Littelfuse can screen and condition to customer-specific requirements.  
TABLE 8. MECHANICAL AND ENVIRONMENTAL CAPABILITIES (TYPICAL CONDITIONS)  
TEST NAME  
TEST METHOD  
MIL-STD-750-2036  
MIL-STD-750-2016  
MIL-STD-750-2056  
MIL-STD-750-2006  
MIL-STD-750-1041  
MIL-STD-750-2031/2026  
MIL-STD-202-215  
MIL-STD-202-111  
UL1414  
DESCRIPTION  
o
Terminal Strength  
Drop Shock  
3 Bends, 90 Arc, 16oz. Weight  
1500g's, 0.5ms, 5 Pulses, X , V , Z  
1
1
1
Variable Frequency Vibration  
Constant Acceleration  
Salt Atmosphere  
20g's, 100-2000Hz, X , V , Z  
1
1
1
V , 20,000g's Min  
2
o
2
35 C, 24Hr, 10-50g/m Day  
o
Soldering Heat/Solderability  
Resistance to Solvents  
Flammability  
260 C, 10s, 3 Cycles, Test Marking  
Permanence, 3 Solvents  
15s Torching, 10s to Flameout  
3 x 15s Torching  
Flammability  
Cyclical Moisture Resistance  
Steady-State Moisture Resistance  
Biased Moisture Resistance  
Temperature Cycle  
MIL-STD-202-106  
10 Days  
85/85 96Hr  
Not Recommended for High-Voltage Types  
o
o
MIL-STD-202-107  
MIL-STD-750-1032  
MIL-STD-750-1038  
MIL-STD-750-1071  
-55 C to 125 C, 5 Cycles  
o
High-Temperature Life (Nonoperating)  
Burn-In  
125 C, 24Hr  
Rated Temperature and V  
Condition D  
RMS  
Hermetic Seal  
Radiation Hardness  
For space applications, an extremely important property of a protection  
device is its response to imposed radiation effects.  
LITTELFUSE MOV  
200  
SILICON  
TRANSIENT  
SUPPRESSION  
DIODE  
Electron Irradiation  
V
A Littelfuse MOV and a silicon transient suppression diode were exposed  
to electron irradiation. The V-I curves, before and after test, are shown in  
Figure 1.  
100  
80  
60  
It is apparent that the Littelfuse MOV was virtually unaffected, even at the  
extremely high dose of 108 rads, while the silicon transient suppression  
diode showed a dramatic increase in leakage current.  
PRE TEST  
40  
8
10 RADS,  
18MeV ELECTRONS  
20  
8
6
4
2
10  
10  
10  
CURRENT (A)  
10  
FIGURE 1. RADIATION SENSITIVITY OF LITTELFUSEV130LA1  
AND SILICONTRANSIENT SUPPRESSION DIODE  
146  
www. littelfuse. com  
Varistor Products  
Aerospace and Military  
High Reliability Varistors  
Neutron Effects  
I
SATURATION  
CURRENT  
A second MOV-zener comparison was made in response to neutron  
fluence. The selected devices were equal in area.  
FORWARD  
BIAS  
2
Figure 2 shows the clamping voltage response of the MOV and the zener  
to neutron irradiation to as high as 1015 N/cm2 . It is apparent that in con-  
trast to the large change in the zener, the MOV is unaltered. At higher-  
currents where the MOVs clamping voltage is again unchanged, the  
zener device clamping voltage increases by as much as 36%.  
BREAKDOWN  
VOLTAGE  
V
300  
REDUCTION IN  
FAILURE STRESSHOLD  
BY RADIAL  
1.5K 200 INITIAL  
VARISTOR V130A2  
200  
15  
INITIAL AT 10  
SECONDARY  
BREAKDOWN  
100  
80  
1.5K 200  
AT 10  
REVERSE  
BIAS  
12  
60  
50  
40  
FIGURE 3. V-I CHARACTERISTIC OF PN-JUNCTION  
30  
1.5K 200  
AT 10  
At low reverse voltage, the device will conduct very little current (the  
saturation current). At higher reverse voltage V (breakdown  
1.5K 200  
AT 10  
1.5K 200  
AT 10  
20  
14  
15  
13  
BO  
voltage),the current increases rapidly as the electrons are either pulled  
by the electric field (Zener effect) or knocked out by other electrons  
(avalanching). A further increase in voltage causes the device to exhibit  
a negative resistance characteristic leading to secondary breakdown.  
10  
10  
8
7
6
5
4
3
10  
10  
10  
10  
10  
10  
10  
AMPERES  
FIGURE 2. V-I CHARACTERISTIC RESPONSETO NEUTRON  
IRRADIATION FOR MOV AND ZENER DIODE  
DEVICES  
This manifests itself through the formation of hotspots, and irreversible  
damage occurs. This failure threshold decreases under neutron irradia-  
tion for zeners, but not for Zinc Oxide Varistors.  
Counterclockwise rotation of the V-I characteristics is observed in silicon  
devices at high neutron irradiation levels; in other words, increasing  
leakage at low current levels and increasing clamping voltage at higher  
current levels.  
Gamma Radiation  
Radiation damage studies were performed on type V130LA2 varistors.  
Emission spectra and V-I characteristics were collected before and after  
irradiation with 106 rads Co60 gamma radiation.  
The solid and open circles for a given fluence represent the high and low  
breakdown currents for the sample of devices tested. Note that there is a  
marked decrease in current (or energy) handling capability with  
increased neutron fluence.  
Both show no change, within experimental error, after irradiation.  
Failure threshold of silicon semiconductor junctions is further reduced  
when high or rapidly increasing currents are applied. Junctions develop  
hot spots, which enlarge until a short occurs if current is not limited or  
quickly removed.  
The characteristic voltage current relationship of a PN-Junction is shown  
in Figure 3.  
147  
www. littelfuse. com  
Varistor Products  
Aerospace and Military  
High Reliability Varistors  
Commercial Item Descriptions  
The General Services Administration has authorized the use of the Commercial  
Item Description (CID) for all government agencies. There are 3 listed series  
within Littelfuse leaded/Industrial range:  
A-A-55564-3  
A-A-55564-2  
A-A-55564-1  
ZA Series  
DA/DB Series  
PA Series  
The PIN number should be used to buy commercial product to the CID. The  
manufacturers number shown should not be used for ordering purposes.  
PIN consists of:  
Abbreviated CID number + Applicable Sheet (2 digits) + Dash number (-3 digits)  
e.g.  
AA55564 + 02 + -001 = AA5556402-001  
ZA Series A-A-55564-3  
EQUIV..  
LITTELFUSE  
COMMERCIAL  
PART  
EQUIV.  
LITTELFUSE  
COMMERCIAL  
PART  
EQUIV.  
LITTELFUSE  
COMMERICAL  
PART  
DASH  
NUMBER  
AA5556403-  
DASH NUMBER  
AA5556403-  
MFR’S  
CAGE  
DASH NUMBER  
AA5556403-  
001  
002  
003  
004  
005  
006  
007  
008  
009  
010  
011  
012  
013  
014  
015  
016  
017  
018  
019  
020  
021  
V22ZA05  
V22ZA1  
V22ZA2  
V22ZA3  
V24ZA50  
V27ZA05  
V27ZA1  
V27ZA2  
V27ZA4  
V27ZA60  
V33ZA05  
V33ZA1  
V33ZA2  
V33ZA5  
V33ZA70  
V36ZA80  
V39ZA05  
V39ZA1  
V39ZA3  
V39ZA6  
V47ZA05  
022  
023  
024  
025  
026  
027  
028  
029  
030  
031  
032  
033  
034  
035  
036  
037  
038  
039  
040  
041  
042  
V47ZA1  
V47ZA3  
V47ZA7  
V56ZA05  
V56ZA2  
V56ZA3  
V56ZA8  
V68ZA05  
V68ZA2  
V68ZA3  
043  
044  
045  
046  
047  
048  
049  
050  
051  
052  
053  
054  
055  
056  
057  
058  
059  
060  
061  
062  
063  
V120ZA4  
V120ZA6  
V150ZA05  
V150ZA1  
V150ZA4  
V150ZA8  
V180ZA05  
V180ZA1  
V180ZA5  
V180ZA10  
V8ZA05  
V8ZA1  
V8ZA2  
V12ZA05  
V12ZA1  
V12ZA2  
S6019  
V68ZA10  
V82ZA05  
V82ZA2  
V82ZA4  
V82ZA12  
V100ZA05  
V100ZA3  
V100ZA4  
V100ZA15  
V120ZA05  
V120ZA1  
V18ZA05  
V18ZA1  
V18ZA2  
V18ZA3  
V18ZA40  
148  
www. littelfuse. com  
Varistor Products  
Aerospace and Military  
High Reliability Varistors  
DA/DB SERIES A-A-55564-2  
EQUIV.  
LITTELFUSE  
COMMERCIAL  
PART  
EQUIV.  
LITTELFUSE  
COMMERCIAL  
PART  
2
DASH  
NUMBER  
AA5556402-  
MFR’S  
CAGE  
DASH NUMBER  
AA5556402-  
MFR’s  
CAGE  
001  
002  
003  
004  
005  
006  
007  
008  
009  
010  
011  
V131DA40  
V151DA40  
V251DA40  
V271DA40  
V321DA40  
V421DA40  
V481DA40  
V511DA40  
V571DA40  
V661DA40  
V751DA40  
012  
013  
014  
015  
016  
017  
018  
019  
020  
021  
022  
V131DB40  
V151DB40  
V251DB40  
V271DB40  
V321DB40  
V421DB40  
V481DB40  
V511DB40  
V571DB40  
V661DB40  
V751DB40  
S6019  
S6019  
PA SERIES A-A-55564-1  
EQUIV.  
LITTELFUSE  
COMMERCIAL  
PART  
EQUIV.  
LITTELFUSE  
COMMERCIAL  
PART  
DASH  
NUMBER  
AA5556401-  
MFR’s  
CAGE  
MFR’S  
CAGE  
DASH NUMBER  
AA5556401-  
001  
002  
003  
004  
005  
006  
007  
008  
009  
010  
V130PA20A  
V130PA20C  
V150PA20A  
V150PA20C  
V250PA40A  
V250PA40C  
V275PA40A  
V275PA40C  
V320PA40A  
V320PA40C  
011  
012  
013  
014  
015  
016  
017  
018  
019  
020  
V420PA40A  
V420PA40C  
V480PA80A  
V480PA80C  
V510PA80A  
V510PA80C  
V575PA80A  
V575PA80C  
V660PA100A  
V660PA100C  
S6019  
S6019  
149  
www. littelfuse. com  

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