UP Series
Current Sensing Resistors
•
•
•
•
•
•
•
Resistances from 0.0005 to 0.05Ohms
Tolerance to ±0.05%
Power Rating to 5Watts
Low Temperature Coefficient
For Current Sensing and Shunt Applications
Low inductance
All Welded Construction
SPECIFICATIONS
Power Rating
W @ 25°C
Resistance
Range
0.001 to 0.05
0.0005 to 0.002
0.003 to 0.05
Type
UP-1
UP-2
UP-3
±0.020
[ ±0.5 ]
L
±0.020
[ ±0.5 ]
W
±0.04
[ ±1.0 ]
H
±0.020
[ ±0.5 ]
A
( Max )
B
±0.002
[ ±0.05 ]
0.040 /
0.051
[ 1.0 / 1.3 ]
0.081
[ 2.1 ]
0.051
[ 1.3 ]
D
1
5
3.5
0.700
[ 17.8 ]
1.00
[ 25.4 ]
1.00
[ 25.4 ]
0.200
[ 5.1 ]
0.250
[ 6.4 ]
0.250
[ 6.4 ]
0.275
[ 7.0 ]
0.440
[ 11.2 ]
0.375
[ 9.5 ]
0.115
[ 2.9 ]
0.220
[ 5.6 ]
0.115
[ 2.9 ]
-
1.400
[ 35.6 ]
-
Specification
Tolerances
Temperature Coefficient
Temperature Range
Inductance
Short Time Overload
Value
±0.05% to ±5% ( 1% Standard )
±90ppm/K ( Call Factory for Others )
-55°C to +275°C
<10 nH
5X Rated Power / 5s
Power Derating Curve
120
100
UP-1 / UP-3
Power ( % )
80
60
40
20
0
UP-2
0
50
100
150
200
250
300
350
Ambient Temperature (°C)
Ordering Information
Part Number - Resistance - Tolerance - TCR ( If not standard )
Example: UP-2 0.001 Ohm 1%
Riedon Inc.
300 Cypress Avenue
Alhambra CA 91801
(626) 284-9901
(626) 284-1704
Page 109
rev. 03/2006A
RIEDON [ RIEDON POWERTRON ]
