MT Series
Low Ohm Power Resistors
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Resistances from 0.003 to 0.10Ohms
Tolerance to ±0.1%
TCR’s to ± 20 ppm/°C
( Four Terminal Version )
For Current Sensing and Shunt Applications
All Welded Construction
Low Inductance ( <10nH )
Four Terminal Versions Available
(Consult Factory)
SPECIFICATIONS
Specification
Resistance Range
Tolerances
Temperature Coefficient
Inductance
Dielectric Strength
Insulation Resistance
Value
0.003 to 0.10 Ohms*
2 Terminal: ±1% / ±5%
( Contact Factory for Others )
4 Terminal: ±0.1% / ±0.5% / ±1% / ±5%
( Contact Factory for Others )
See Chart Below
<10nH
1000VAC
( 500VAC for MT-1A and MT-2A )
>1000 MOhms / Dry
Environmental Performance
(MIL-STD 202)
∆R
±1%
±1%
±1%
±1%
Test Conditions
70°C / 90 min ON / 30 min OFF / 1000 hr
40°C / 90-95% RH / DC 0.1W / 1000 hr
-40°C for 30 min / +125°C for 30 min / 1000 hr
5X rated power for 5 seconds
Load Life
Moisture Resistance
Temperature Cycling
Short Term Overload
*Other values available - Molding Wirewound
Temperature Coefficient
of Resistance (TCR)
500
400
120
100
Power Derating Curve
TCR ( ppm/K )
Power ( % )
0.11
0.13
300
200
100
0
0
0.01
0.03
0.05
0.07
0.09
80
60
40
20
0
0
50
100
150
200
250
300
350
2 Terminal
4 Terminal
Resistance Value (
Ω
)
Ambient Temperature (°C)
Ordering Information
Part Description: Part Type - Resistance - Tolerance - TCR ( if not standard ) - 4T ( if desired )
Example: MT-5 0.01 Ohm 1% 4T
Riedon Inc.
7/13
300 Cypress Avenue
Alhambra CA 91801
www.riedon.com
(626) 284-9901
(626) 284-1704
Page 76
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