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OMM02040000000B000

更新时间： 2024-09-16 12:02:35
品牌 Logo 应用领域
威世 - VISHAY 电阻器
页数 文件大小 规格书
7页 250K
描述
Thin Film Mini-MELF Resistors

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SMM0204  
Vishay Draloric  
Thin Film Mini-MELF Resistors  
FEATURES  
Advanced thin film technology  
AEC-Q200 qualified  
Low TCR and tight tolerances  
Excellent stability in different environmental  
conditions  
Pure tin termination on nickel barrier, plated on  
press fit steel caps  
Compliant to RoHS Directive 2002/95/EC  
STANDARD ELECTRICAL SPECIFICATIONS  
LIMITING ELEMENT  
TEMPERATURE  
COEFFICIENT  
ppm/K  
RESISTANCE  
RANGE  
POWER RATING  
TOLERANCE  
%
VOLTAGE  
DC or ACRMS  
V
MODEL  
E-SERIES  
P70  
W
0.1  
0.25  
0.5  
43R to 221K  
22R to 221K  
10R to 221K  
SMM0204  
SMM0204  
0.25  
0.25  
200  
15  
25  
24; 96; 192  
24; 96; 192  
0.1  
0.25  
0.5  
43R to 511K  
22R to 511K  
10R to 1M0  
200  
200  
0.5  
1
10R to 1M0  
R82 to 10M  
24; 96; 192  
24; 96  
SMM0204  
SMM0204  
0.25  
0.25  
50  
200  
100  
5
R22 to 10M  
24  
Zero-Ohm-Resistor: OMM0204  
Notes  
Rmax. = 10 m  
Imax. = 3 A  
•
SMM0204 EN803 E0 and OMM0204 EN803 E0 respectively are available versions with IECQ-CECC approval to EN 140401-803, version A,  
with nominal failure rate level E0.  
•
The power dissipation on the resistor generates a temperature rise against the local ambient, depending on the heat flow support of the  
printed-circuit board (thermal resistance). The rated dissipation applies only if the permitted film temperature of 155 °C is not exceeded.  
TECHNICAL SPECIFICATIONS  
PARAMETER  
UNIT  
W
SMM0204  
Power rating P70  
0.25  
Limiting element voltage, DC or ACRMS  
Insulation voltage (1 min), DC or ACPEAK  
Insulation resistance  
V
200  
300  
V
1010  
Category temperature range  
Failure rate: FITobserved  
°C  
- 55 to + 125 (+ 155)  
0.1 x 10-9/h  
Notes  
•
The upper temperature limit of 125 °C reflects the prescriptions of the detail specification EN 140401-803. However, the products may be  
operated up 155 °C, if the tradeoff through decreased drift stability is acceptable to the specific application.  
•
The power dissipation on the resistor generates a temperature rise against the local ambient, depending on the heat flow support of the  
printed-circuit board (thermal resistance). The rated dissipation applies only if the permitted film temperature of 125 °C or 155 °C respectively  
is not exceeded.  
•
•
The specification of this product is based on a test board according to EN 140400, providing a thermal resistance of approximately 220 K/W.  
These resistors do not feature a limited lifetime when operated within the permissible limits. However, resistance value drift increasing over  
operating time may result in exceeding a limit acceptable to the specific application, thereby establishing a functional lifetime.  
The IECQ-CECC approved product versions SMM0204 EN803 E0 and OMM0204 EN803 E0 respectively feature a quality factor Q = 3 for  
the purpose of system MTBF calculations, compared with Q = 10 for the standard versions.  
•
** Please see document “Vishay Material Category Policy”: www.vishay.com/doc?99902  
www.vishay.com  
30  
For technical questions, contact: melf@vishay.com  
Document Number: 20004  
Revision: 16-Sep-11  
This document is subject to change without notice.  
THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000  
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