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MRA

更新时间： 2024-01-27 16:36:19
品牌 Logo 应用领域
威世 - VISHAY /
页数 文件大小 规格书
3页 82K
描述
Wirewound Resistors, Non-Magnetic,Non-Inductive, Axial Lead

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MRA 数据手册

 浏览型号MRA的Datasheet PDF文件第2页浏览型号MRA的Datasheet PDF文件第3页 
MRA  
Vishay Mills  
www.vishay.com  
Wirewound Resistors, Non-Magnetic,  
Non-Inductive, Axial Lead  
FEATURES  
• High temperature coating (> 350 °C)  
• Non-magnetic and all welded constructions  
greatly enhance frequency response.  
Combined with non-inductive Ayrton-Perry  
winding the inductive reactance and signal loss  
are almost totally eliminated.  
• Ideal for Audio Industry  
• Material categorization: For definitions of  
compliance please see www.vishay.com/doc?99912  
STANDARD ELECTRICAL SPECIFICATIONS  
POWER RATING (1)  
POWER RATING (1)  
P25 °C  
CHARACTERISTIC U + 250 °C CHARACTERISTIC V + 350 °C  
RESISTANCE WEIGHT  
GLOBAL HISTORICAL  
TOLERANCE (2)  
%
P25 °C  
W
W
RANGE  
(typical)  
g
MODEL  
MODEL  
MRA-05  
MRA-10  
MRA-12  
MRA05  
MRA10  
MRA12  
4.0  
7.0  
5.0  
1, 5, 10  
1, 5, 10  
1, 5, 10  
0.01 to 15.0K  
0.05 to 35.0K  
0.05 to 85.0K  
1.00  
3.87  
5.02  
10.0  
12.0  
10.0  
Notes  
(1)  
Vishay Mills MRA models have two power ratings depending on the operation temperature and stability requirements.  
Other tolerances may be available, contact factory  
(2)  
TECHNICAL SPECIFICATIONS  
PARAMETER  
UNIT  
ppm/°C  
lb  
MRA RESISTOR CHARACTERISTICS  
30 for 10 and above; 50 for 1.0 to 9.9 ; 90 for 0.5 to 0.99   
10 minimum  
Temperature Coefficient  
Terminal Strength  
Dielectric Withstanding Voltage  
Operating Temperature Range  
Maximum Working Voltage  
VAC  
°C  
500 for MRA-05 and 1000 for MRA-10 and MRA-12  
Characteristic U = - 65 to + 250, Characteristic V = - 65 to + 350  
(P x R)1/2  
V
GLOBAL PART NUMBER INFORMATION  
Global Part Numbering example: MRA-1225R00JE12 (visit www.vishay.net Vishay Dale parts numbering manual for all options)  
M
R
A
-
1
2
2
5
R
0
0
J
E
1
2
GLOBAL MODEL  
(6 digits)  
VALUE  
(5 digits)  
TOLERANCE  
(1 digit)  
PACKAGING CODE  
(3 digits)  
SPECIAL  
(up to 2 digits)  
(See Standard Electrical  
Specifications Global  
Model column  
R = Decimal  
K = Thousand  
1R500 = 1.5   
1K500 = 1.5 k  
F = 1.0 ꢀ  
J = 5.0 ꢀ  
K = 10.0 ꢀ  
E07 = Tape/reel (MRA-10, MRA-12)  
E48 = Tape/reel (MRA-05)  
E12 = Bulk, up to 100 pc boxes  
(Dash Number)  
From 1 to 99  
as applicable  
for options)  
Historical Part Number example: MRA12W25R0J  
MRA12  
W = STANDARD  
25  
5 %  
HISTORICAL MODEL  
TC  
RESISTANCE VALUE  
TOLERANCE  
Revision: 02-May-12  
Document Number: 31801  
1
For technical questions, contact: ww2aresistors@vishay.com  
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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