MF-RX014/250U-B5-2

更新时间:2024-10-29 20:27:44
品牌:BOURNS
描述:PTC RESET FUSE 60V 145MA RADIAL

MF-RX014/250U-B5-2 概述

PTC RESET FUSE 60V 145MA RADIAL

MF-RX014/250U-B5-2 数据手册

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Features  
Applications  
nꢀ Radialꢀleadedꢀdevices  
nꢀ FastꢀtripꢀresettableꢀPTCs  
nꢀ Binnedꢀandꢀsortedꢀnarrowꢀresistanceꢀꢀ  
nꢀ CustomerꢀPremiseꢀEquipmentꢀ(CPE)  
nꢀ CentralꢀOfficeꢀ/ꢀTelecomꢀCentersꢀ(CO)  
nꢀ Accessꢀequipment  
rangesꢀavailable  
nꢀ RoHSꢀcompliant*  
nꢀ Agencyꢀrecognition:ꢀ  
MF-RX/250 Series - Telecom PTC Resettable Fuses  
Electrical Characteristics  
One Hour  
Tripped  
Maximum  
Interrupt  
Ratings  
(R )  
1
Agency  
Recognition  
Initial  
Maximum  
Maximum  
Operating  
Voltage  
(DC)  
Power  
Dissipation  
I
I
trip  
hold  
Post-Trip  
Resistance  
Resistance  
Time to Trip  
Model  
at 23 °C  
Ohms  
at 23 °C  
Ohms  
at 23 °C  
Ohms  
cUL  
TÜV  
Vrms Amps  
at 23 °C  
at 23 °C  
Volts  
60  
60  
60  
60  
60  
60  
60  
60  
60  
60  
60  
60  
60  
60  
60  
60  
60  
60  
Max. Max.  
Amps  
Min. Max.  
Max.  
16.0  
16.0  
14.0  
16.0  
16.0  
16.0  
16.0  
16.0  
16.0  
16.0  
14.0  
12.0  
14.0  
14.0  
14.0  
12.0  
4.0  
Amps Sec.  
Max.  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
E174545 R 50260658  
MF-RX012/250  
250  
250  
250  
250  
250  
250  
250  
250  
250  
250  
250  
250  
250  
250  
250  
250  
250  
250  
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
10  
10  
0.12  
0.24  
0.24  
0.24  
0.24  
0.24  
0.24  
0.24  
0.24  
0.24  
0.24  
4.0  
7.0  
5.5  
6.0  
5.5  
9.0  
7.0  
6.0  
8.0  
6.0  
3.0  
3.0  
4.5  
3.0  
5.4  
3.5  
0.8  
0.8  
8.0  
9.0  
7.5  
10.5  
6.5  
10.5  
12.0  
9.0  
10.5  
10.0  
6.0  
5.5  
6.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
5.0  
5.0  
5.0  
5.0  
5.0  
4.0  
20  
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
MF-RX012/250-A  
MF-RX012/250-C  
MF-RX012/250-F  
MF-RX012/250-G  
MF-RX012/250-H  
MF-RX012/250-T  
MF-RX012/250-1  
MF-RX012/250-2  
MF-RX012/250U  
MF-RX014/250  
MF-RX014/250-A  
MF-RX014/250-B  
MF-RX014/250-C  
MF-RX014/250-T  
MF-RX014/250U  
MF-RX018/250  
0.12  
0.12  
0.12  
0.12  
0.12  
0.12  
0.12  
0.12  
0.12  
0.145 0.28  
0.145 0.28  
0.145 0.28  
0.145 0.28  
0.145 0.28  
0.145 0.28  
4.0  
7.5  
6.5  
2.0  
0.18  
0.18  
0.50  
0.50  
MF-RX018/250U  
2.0  
4.0  
20  
“U” suffix indicates product without insulation coating.  
Environmental Characteristics  
Item  
Condition  
Criteria  
Operating Temperature  
Recommended Storage  
Passive Aging  
Humidity Aging  
Thermal Shock  
Solvent Resistance  
-40 °C to +85 °C  
+40 °C max. / 70 % RH max.  
+85 °C, 1000 hours  
+85 °C, 85 % R.H. 1000 hours  
-55 °C to +125 °C, 10 times  
MIL-STD-202, Method 215  
±15 % typical resistance change  
±15 % typical resistance change  
±15 % typical resistance change  
No change (marking still legible)  
Vibration  
MIL-STD-883C, Method 2007.1 Condition A  
See Note  
±15 % typical resistance change  
Moisture Sensitivity Level (MSL)  
ESD Classification  
Class 6 (per AEC-Q200-2, HBM)  
Test Procedures and Requirements  
Item  
Test Condition  
Accept/Reject Criteria  
Visual/Mechanical  
Resistance  
Verify dimensions and materials  
In still air @ 23 °C  
Per MF physical description  
R
≤ R ≤ R  
min  
max  
Time to Trip  
Hold Current  
Trip Cycle Life  
Trip Endurance  
Solderability  
At specified current, V  
, 23 °C, still air  
T ≤ max. time to trip (seconds)  
No trip  
max  
, still air  
30 min. at I  
hold  
, 100 cycles  
V
V
, I  
No arcing or burning  
No arcing or burning  
95 % min. coverage  
max max  
, 48 hours  
max  
245 °C ±5 °C, 5 seconds  
*ꢀRoHSꢀDirectiveꢀ2015/863,ꢀMarꢀ31,ꢀ2015ꢀandꢀAnnex.  
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.ꢀUsersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspecificꢀapplications.ꢀ  
Theꢀproductsꢀdescribedꢀhereinꢀandꢀthisꢀdocumentꢀareꢀsubjectꢀtoꢀspecificꢀdisclaimersꢀasꢀsetꢀforthꢀonꢀtheꢀlastꢀpageꢀofꢀthisꢀꢀ  
document,ꢀandꢀatꢀwww.bourns.com/legal/disclaimer.pdf.  
WARNING Cancer and Reproductive Harm  
www.P65Warnings.ca.gov  
Additional Features  
nꢀ AbilityꢀtoꢀwithstandꢀACꢀpowerꢀcrossꢀconditions  
nꢀ AssistsꢀequipmentꢀwithꢀmeetingꢀITU-TꢀK.20/K.21/K.45ꢀ  
nꢀ AssistsꢀequipmentꢀwithꢀmeetingꢀTelcordiaꢀGR-1089-CꢀIntrabuilding  
MF-RX/250 Series - Telecom PTC Resettable Fuses  
Thermal Derating Chart - I  
(Amps)  
hold  
Ambient Operating Temperature  
Model  
-40 ºC  
0.186  
0.186  
0.186  
0.186  
0.186  
0.186  
0.186  
0.186  
0.186  
0.186  
0.225  
0.225  
0.225  
0.225  
0.225  
0.225  
0.269  
0.269  
-20 ºC  
0.165  
0.165  
0.165  
0.165  
0.165  
0.165  
0.165  
0.165  
0.165  
0.165  
0.199  
0.199  
0.199  
0.199  
0.199  
0.199  
0.240  
0.240  
0 ºC  
23 ºC  
0.120  
0.120  
0.120  
0.120  
0.120  
0.120  
0.120  
0.120  
0.120  
0.120  
0.145  
0.145  
0.145  
0.145  
0.145  
0.145  
0.180  
0.180  
40 ºC  
0.099  
0.099  
0.099  
0.099  
0.099  
0.099  
0.099  
0.099  
0.099  
0.099  
0.119  
0.119  
0.119  
0.119  
0.119  
0.119  
0.153  
0.153  
50 ºC  
0.088  
0.088  
0.088  
0.088  
0.088  
0.088  
0.088  
0.088  
0.088  
0.088  
0.106  
0.106  
0.106  
0.106  
0.106  
0.106  
0.138  
0.138  
60 ºC  
0.077  
0.077  
0.077  
0.077  
0.077  
0.077  
0.077  
0.077  
0.077  
0.077  
0.093  
0.093  
0.093  
0.093  
0.093  
0.093  
0.123  
0.123  
70 ºC  
0.066  
0.066  
0.066  
0.066  
0.066  
0.066  
0.066  
0.066  
0.066  
0.066  
0.080  
0.080  
0.080  
0.080  
0.080  
0.080  
0.109  
0.109  
85 ºC  
0.050  
0.050  
0.050  
0.050  
0.050  
0.050  
0.050  
0.050  
0.050  
0.050  
0.060  
0.060  
0.060  
0.060  
0.060  
0.060  
0.087  
0.087  
MF-RX012/250  
0.143  
0.143  
0.143  
0.143  
0.143  
0.143  
0.143  
0.143  
0.143  
0.143  
0.172  
0.172  
0.172  
0.172  
0.172  
0.172  
0.211  
0.211  
MF-RX012/250-A  
MF-RX012/250-C  
MF-RX012/250-F  
MF-RX012/250-G  
MF-RX012/250-H  
MF-RX012/250-T  
MF-RX012/250-1  
MF-RX012/250-2  
MF-RX012/250U  
MF-RX014/250  
MF-RX014/250-A  
MF-RX014/250-B  
MF-RX014/250-C  
MF-RX014/250-T  
MF-RX014/250U  
MF-RX018/250  
MF-RX018/250U  
I
is approximately two times I  
.
trip  
hold  
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.  
Usersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspecificꢀapplications.ꢀ  
Theꢀproductsꢀdescribedꢀhereinꢀandꢀthisꢀdocumentꢀareꢀsubjectꢀtoꢀspecificꢀlegalꢀdisclaimersꢀasꢀsetꢀforthꢀonꢀtheꢀlastꢀpageꢀofꢀthisꢀdocument,ꢀandꢀatꢀwww.bourns.com/docs/legal/disclaimer.pdf.  
MF-RX/250 Series - Telecom PTC Resettable Fuses  
Product Dimensions  
A
Max.  
B
Max.  
C
Nom.  
D
Min.  
E
Max.  
Physical Characteristics  
Lead Dia. Style Material  
Model  
MF-RX012/250  
MF-RX012/250-A  
MF-RX012/250-C  
MF-RX012/250-F  
MF-RX012/250-G  
MF-RX012/250-H  
MF-RX012/250-T  
MF-RX012/250-1  
MF-RX012/250-2  
6.5  
(0.256)  
11.0  
(0.433)  
5.1 ± 0.7  
(0.201 ± 0.028)  
4.7  
(0.185)  
4.6  
(0.181)  
0.65  
(0.026)  
1
Sn/Cu  
6.0  
(0.236)  
10.0  
(0.394)  
5.1 ± 0.7  
(0.201 ± 0.028)  
4.7  
(0.185)  
3.8  
(0.150)  
0.65  
(0.026)  
MF-RX012/250U  
2
1
Sn/Cu  
Sn/Cu  
MF-RX014/250  
MF-RX014/250-A  
MF-RX014/250-B  
MF-RX014/250-C  
MF-RX014/250-T  
6.5  
(0.256)  
11.0  
(0.433)  
5.1 ± 0.7  
(0.201 ± 0.028)  
4.7  
(0.185)  
4.6  
(0.181)  
0.65  
(0.026)  
6.0  
(0.236)  
11.0  
(0.433)  
10.4  
(0.409)  
10.0  
(0.394)  
13.6  
(0.535)  
12.6  
5.1 ± 0.7  
(0.201 ± 0.028)  
5.1 ± 0.7  
(0.201 ± 0.028)  
5.1 ± 0.7  
4.7  
(0.185)  
4.7  
(0.185)  
4.7  
3.8  
(0.150)  
4.6  
(0.181)  
3.8  
0.65  
(0.026)  
0.65  
(0.026)  
0.65  
MF-RX014/250U  
MF-RX018/250  
MF-RX018/250U  
2
1
2
Sn/Cu  
Sn/Cu  
Sn/Cu  
(0.496)  
(0.201 ± 0.028)  
(0.185)  
(0.150)  
(0.026)  
MM  
(INCHES)  
DIMENSIONS:  
Style 1  
Style 2  
Typical Part Marking  
A
E
A
E
Represents total content. Layout may vary.  
MANUFACTURER'S  
TRADEMARK  
B
D
B
PARTꢀ  
IDENTIFICATION  
RX012  
0220S  
YEARꢀCODE  
DATEꢀCODE  
LOCATIONꢀCODE:  
Sꢀ=ꢀCHINA  
C
C
D
Packaging Quantity  
Packaging  
Options  
Unit Quantity  
(Pcs.)  
Models  
Unit  
Notes  
Bulk  
All models  
All models  
500  
Bag  
Tape & Reel  
1500  
Reel  
Available Binned  
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.  
Usersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspecificꢀapplications.ꢀ  
Theꢀproductsꢀdescribedꢀhereinꢀandꢀthisꢀdocumentꢀareꢀsubjectꢀtoꢀspecificꢀlegalꢀdisclaimersꢀasꢀsetꢀforthꢀonꢀtheꢀlastꢀpageꢀofꢀthisꢀdocument,ꢀandꢀatꢀwww.bourns.com/docs/legal/disclaimer.pdf.  
MF-RX/250 Series - Telecom PTC Resettable Fuses  
How to Order  
MF - RX 012/250 U - A 05 - 2  
Typical Time to Trip at 23 ˚C  
100  
Multifuse®  
Product  
Designator  
Series  
10  
1
RX = Radial Leaded  
Component  
Hold Current, I  
hold  
012-018 (0.12-0.18 Amps)  
Max. Interrupt Voltage, V  
250 (250 Volts)  
MF-RX018/250ꢀMODELS  
Insulation Options  
Blank = Coated  
U = Uncoated  
MF-RX014/250ꢀMODELS  
MF-RX012/250ꢀMODELS  
0.10  
0.01  
Resistance Sorted  
Narrow resistance ranges - see  
Resistance Options chart  
Resistance Bins  
05 = 0.5 ohm binned parts (coated only)  
0
0.5  
1.0  
1.5  
2.0  
2.5  
3.0  
Packaging Options  
- 0 = Bulk Packaging  
- 2 = Tape and Reel*  
FaultꢀCurrentꢀ(Amps)  
*Packaged per EIA-468  
Resistance Options  
Model  
Initial Resistance  
Values  
R
1max  
Bin  
Ohms @ 23 ° C  
Ohms @ 23 ° C  
Max.  
16.0  
Min.  
4.0  
7.0  
5.5  
6.0  
5.5  
9.0  
7.0  
6.0  
8.0  
6.0  
3.0  
3.0  
4.5  
3.0  
5.4  
3.5  
0.8  
0.8  
Max.  
8.0  
MF-RX012/250  
N/A  
0.5  
0.5  
0.5  
N/A  
N/A  
0.5  
0.5  
0.5  
N/A  
N/A  
0.5  
0.5  
N/A  
0.5  
N/A  
N/A  
N/A  
MF-RX012/250-A05  
MF-RX012/250-C05  
MF-RX012/250-F05  
MF-RX012/250-G05  
MF-RX012/250-H05  
MF-RX012/250-T05  
MF-RX012/250-105  
MF-RX012/250-205  
MF-RX012/250U  
9.0  
16.0  
7.5  
14.0  
10.5  
6.5  
16.0  
16.0  
10.5  
12.0  
9.0  
16.0  
16.0  
16.0  
10.5  
10.0  
6.0  
16.0  
16.0  
MF-RX014/250  
14.0  
MF-RX014/250-A05  
MF-RX014/250-B05  
MF-RX014/250-C05  
MF-RX014/250-T05  
MF-RX014/250U  
5.5  
12.0  
6.0  
14.0  
4.0  
14.0  
7.5  
14.0  
6.5  
12.0  
MF-RX018/250  
2.0  
4.0  
MF-RX018/250U  
2.0  
4.0  
MF-RX/250, REV. O 10/20  
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.  
Usersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspecificꢀapplications.ꢀ  
Theꢀproductsꢀdescribedꢀhereinꢀandꢀthisꢀdocumentꢀareꢀsubjectꢀtoꢀspecificꢀlegalꢀdisclaimersꢀasꢀsetꢀforthꢀonꢀtheꢀlastꢀpageꢀofꢀthisꢀdocument,ꢀandꢀatꢀwww.bourns.com/docs/legal/disclaimer.pdf.  
ꢀ ꢀꢀMF-RX/250ꢀSeriesꢀTapeꢀandꢀReelꢀSpecifications  
Devices taped using EIA-468/IEC 60286-2 standards. See table below and figures for details.  
IEC  
Mark  
EIA  
Mark  
Dimensions  
Tolerance  
Dimension Description  
Dimensions  
18  
(0.709)  
-0.5/+1.0  
(-0.02/+0.039)  
Carrier tape width  
W
W
5
Hold down tape width  
W
0
min.  
W
0
(0.197)  
Hold down tape  
No protrusion  
3
Adhesive tape position  
W
W
W
W
max.  
2
1
0
2
1
0
(0.118)  
9
-0.5/+0.75  
(-0.02/+0.03)  
Sprocket hole position  
(0.354)  
4
±0.2  
(±0.0078)  
Sprocket hole diameter  
Height to seating plane (straight lead)  
Height to seating plane (formed lead)  
Overall height above abscissa  
Cutout Length  
D
D
(0.157)  
18 ~ 20  
(0.709 ~ 0.787)  
H
H
16  
(0.63)  
±0.5  
(±.02)  
H
H
H
H
0
0
38.5  
(1.516)  
max.  
max.  
1
1
11  
(0.433)  
L
12.7  
(0.5)  
±0.3  
(±0.012  
Sprocket hole pitch  
P
P
0
0
12.7  
(0.5)  
±0.3  
(±0.012)  
Device pitch  
P
P
±1  
(±0.039)  
Pitch tolerance  
20 consecutive  
0.9  
(0.035)  
Composite tape thickness  
Overall tape and lead thickness  
Splice sprocket hole alignment  
Front-to-back deviation  
Side-to-side deviation  
t
t
max.  
max.  
1.5  
(0.059)  
t
t
1
1
±0.3  
(±0.012)  
0
0
0
±1.0  
(±0.039)  
Δ
Δ
P
Δ
Δ
P
h
p
1
h
p
1
±1.3  
(±0.051)  
3.81  
(0.150)  
±0.7  
(±0.028)  
Ordinate to adjacent component lead  
Lead spacing  
5.08  
(0.2)  
+0.6/-0.2  
(+0.024/-0.008)  
F
F
62.0  
(2.44)  
Reel width including flanges and hub  
Dimension between flanges (measured at hub)  
Reel diameter  
W
W
w
w
max.  
4
2
allow proper reeling and unreeling  
3
1
370.0  
max.  
A
a
(14.57)  
MM  
DIMENSIONS:  
— Continued on next page —  
(INCHES)  
Specifications are subject to change without notice.  
Users should verify actual device performance in their specific applications.  
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.  
ꢀ ꢀꢀMF-RX/250ꢀSeriesꢀTapeꢀandꢀReelꢀSpecifications  
IEC  
Mark  
EIA  
Mark  
Dimensions  
Tolerance  
Dimension Description  
Dimensions  
4.75  
(0.187)  
±3.25  
(±0.128)  
Space between flanges (at hub, excluding device)  
26.0  
(1.024)  
±12.0  
(±0.472)  
Arbor hole diameter  
Core diameter  
C
N
c
80  
(3.15)  
n
min.  
max.  
max.  
62  
372  
372  
Box dimensions  
(2.44) (14.6) (14.6)  
Consecutive missing places  
Empty places per reel  
3
Less than 0.1 %  
Taped Component Dimensions -  
per EIA Mark -  
p
h
h
p
Figure 1  
Reference plane  
P1  
H1  
H1  
W2  
F
H
H0  
A
B
L
W1  
W0  
W
User direction of feed  
Cross section A - B  
P0  
D0  
t
t1  
Reel Dimensions - per EIA Mark -  
Figure 2  
Reel  
Upper side  
n
Tape  
User  
direction  
of  
a
feed  
Lower side  
c
MM  
(INCHES)  
w1  
w2  
DIMENSIONS:  
Specifications are subject to change without notice.  
Users should verify actual device performance in their specific applications.  
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.  
Bourns® Multifuse® PPTC Resettable Fuses  
Application Notice  
Users are responsible for independent and adequate evaluation of Bourns® Multifuse® Polymer PTC devices in the user’s  
application, including the PPTC device characteristics stated in the applicable data sheet.  
Polymer PTC devices must not be allowed to operate beyond their stated maximum ratings. Operation in excess of such  
maximum ratings could result in damage to the PTC device and possibly lead to electrical arcing and/or fire. Circuits with  
inductance may generate a voltage above the rated voltage of the polymer PTC device and should be thoroughly evaluated  
within the user’s application during the PTC selection and qualification process.  
Polymer PTC devices are intended to protect against adverse effects of temporary overcurrent or overtemperature  
conditions up to rated limits and are not intended to serve as protective devices where overcurrent or overvoltage conditions  
are expected to be repetitive or prolonged.  
In normal operation, polymer PTC devices experience thermal expansion under fault conditions. Thus, a polymer PTC  
device must be protected against mechanical stress, and must be given adequate clearance within the user’s application to  
accommodate such thermal expansion. Rigid potting materials or fixed housings or coverings that do not provide adequate  
clearance should be thoroughly examined and tested by the user, as they may result in the malfunction of polymer PTC  
devices if the thermal expansion is inhibited.  
Exposure to lubricants, silicon-based oils, solvents, gels, electrolytes, acids, and other related or similar materials may  
adversely affect the performance of polymer PTC devices.  
Aggressive solvents may adversely affect the performance of polymer PTC devices. Conformal coating, encapsulating,  
potting, molding, and sealing materials may contain aggressive solvents including but not limited to xylene and toluene,  
which are known to cause adverse effects on the performance of polymer PTCs. Such aggressive solvents must be  
thoroughly cured or baked to ensure their complete removal from polymer PTCs to minimize the possible adverse effect  
on the device.  
Recommended storage conditions should be followed at all times. Such conditions can be found on the applicable data  
sheet and on the Multifuse® Polymer PTC Moisture/Reflow Sensitivity Classification (MSL) note:  
https://www.bourns.com/docs/RoHS-MSL/msl_mf.pdf  
MFAN 12/18  
Specifications are subject to change without notice.  
Users should verify actual device performance in their specific applications.  
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.  
Legal Disclaimer Notice  
This legal disclaimer applies to purchasers and users of Bourns® products manufactured by or on behalf of Bourns, Inc. and its  
affiliates (collectively, “Bourns”).  
Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change  
without notice. Users should check for and obtain the latest relevant information and verify that such information is current and  
complete before placing orders for Bourns® products.  
The characteristics and parameters of a Bourns® product set forth in its data sheet are based on laboratory conditions, and  
statements regarding the suitability of products for certain types of applications are based on Bourns’ knowledge of typical  
requirements in generic applications. The characteristics and parameters of a Bourns® product in a user application may vary  
from the data sheet characteristics and parameters due to (i) the combination of the Bourns® product with other components  
in the user’s application, or (ii) the environment of the user application itself. The characteristics and parameters of a Bourns®  
product also can and do vary in different applications and actual performance may vary over time. Users should always verify  
the actual performance of the Bourns® product in their specific devices and applications, and make their own independent  
judgments regarding the amount of additional test margin to design into their device or application to compensate for  
differences between laboratory and real world conditions.  
Unless Bourns has explicitly designated an individual Bourns® product as meeting the requirements of a particular industry  
standard (e.g., ISO/TS 16949) or a particular qualification (e.g., UL listed or recognized), Bourns is not responsible for any  
failure of an individual Bourns® product to meet the requirements of such industry standard or particular qualification. Users of  
Bourns® products are responsible for ensuring compliance with safety-related requirements and standards applicable to their  
devices or applications.  
Bourns® products are not recommended, authorized or intended for use in nuclear, lifesaving, life-critical or life-sustaining ap-  
plications, nor in any other applications where failure or malfunction may result in personal injury, death, or severe property or  
environmental damage. Unless expressly and specifically approved in writing by two authorized Bourns representatives on a  
case-by-case basis, use of any Bourns® products in such unauthorized applications might not be safe and thus is at the user’s  
sole risk. Life-critical applications include devices identified by the U.S. Food and Drug Administration as Class III devices and  
generally equivalent classifications outside of the United States.  
Bourns expressly identifies those Bourns® standard products that are suitable for use in automotive applications on such  
products’ data sheets in the section entitled “Applications.” Unless expressly and specifically approved in writing by two  
authorized Bourns representatives on a case-by-case basis, use of any other Bourns® standard products in an automotive  
application might not be safe and thus is not recommended, authorized or intended and is at the user’s sole risk. If Bourns  
expressly identifies a sub-category of automotive application in the data sheet for its standard products (such as infotainment  
or lighting), such identification means that Bourns has reviewed its standard product and has determined that if such Bourns®  
standard product is considered for potential use in automotive applications, it should only be used in such sub-category of  
automotive applications. Any reference to Bourns® standard product in the data sheet as compliant with the AEC-Q standard  
or “automotive grade” does not by itself mean that Bourns has approved such product for use in an automotive application.  
Bourns® standard products are not tested to comply with United States Federal Aviation Administration standards generally  
or any other generally equivalent governmental organization standard applicable to products designed or manufactured for  
use in aircraft or space applications. Bourns expressly identifies Bourns® standard products that are suitable for use in aircraft  
or space applications on such products’ data sheets in the section entitled “Applications.” Unless expressly and specifically  
approved in writing by two authorized Bourns representatives on a case-by-case basis, use of any other Bourns® standard  
product in an aircraft or space application might not be safe and thus is not recommended, authorized or intended and is at the  
user’s sole risk.  
The use and level of testing applicable to Bourns® custom products shall be negotiated on a case-by-case basis by Bourns and  
the user for which such Bourns® custom products are specially designed. Absent a written agreement between Bourns and the  
user regarding the use and level of such testing, the above provisions applicable to Bourns® standard products shall also apply  
to such Bourns® custom products.  
Users shall not sell, transfer, export or re-export any Bourns® products or technology for use in activities which involve the  
design, development, production, use or stockpiling of nuclear, chemical or biological weapons or missiles, nor shall they use  
Bourns® products or technology in any facility which engages in activities relating to such devices. The foregoing restrictions  
apply to all uses and applications that violate national or international prohibitions, including embargos or international  
regulations. Further, Bourns® products and Bourns technology and technical data may not under any circumstance be  
exported or re-exported to countries subject to international sanctions or embargoes. Bourns® products may not, without prior  
authorization from Bourns and/or the U.S. Government, be resold, transferred, or re-exported to any party not eligible  
to receive U.S. commodities, software, and technical data.  
To the maximum extent permitted by applicable law, Bourns disclaims (i) any and all liability for special, punitive, consequential,  
incidental or indirect damages or lost revenues or lost profits, and (ii) any and all implied warranties, including implied warranties  
of fitness for particular purpose, non-infringement and merchantability.  
For your convenience, copies of this Legal Disclaimer Notice with German, Spanish, Japanese, Traditional Chinese and Simplified Chinese  
bilingual versions are available at:  
Web Page: http://www.bourns.com/legal/disclaimers-terms-and-policies  
PDF: http://www.bourns.com/docs/Legal/disclaimer.pdf  
C1753 05/17/18R  

MF-RX014/250U-B5-2 相关器件

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MF-RX014250U BOURNS Telecom PTC Resettable Fuses 获取价格
MF-RX014F-A05-0 BOURNS Telecom PTC Resettable Fuses 获取价格
MF-RX014F-A05-2 BOURNS Telecom PTC Resettable Fuses 获取价格
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