WPR 2-TO5
Special Resistors
•
•
•
•
•
•
Resistances from50Ohm to 600kOhms
Power Rating to 0.25Watt
Resistance Tolerances to ±0.01%
TCR to ±5ppm/K
Load Stability to 0.1%
Hermetically Sealed
SPECIFICATIONS
Type
Resistance Range
Power rating (70°C)
Tolerances
Stability
Temperature Coefficient
Thermal EMF
Operating Temperature Range
Resistor Material
Connector Material
Terminals
0.01% / 0.1% / 0.25% / 0.5% / 1%
Other tolerances upon request
0.1%
±5ppm/K (-40 to +125°C)
< 0.1µV/K
-55 to 130°C
NiCr
Cu / gold-coat
2
WPR 2-TO5
50 Ohms to 600 kOhms
Other values upon request
0.25 W
120
100
Derating
Power (% from
nominal power)
80
60
40
20
0
25
50
70
85
100
115
130
Ambient Temperature (°C)
Dimensions
Dimension
A
B
C
D
E
F
G
mm
19.40
8.15
5.80
9.13
5.08
Ø0.45
45°
tol.
(±mm)
1.0
0.2
0.1
0.2
0.1
0.1
30’
inches
0.76
0.32
0.23
0.36
0.20
Ø0.018
45°
tol.
(±inches)
0.039
0.008
0.004
0.008
0.004
0.004
30’
Ordering Information
Part Number - Resistance - Tolerance
WPR 2-TO5 330Ohms 0.01%
Riedon Inc.
300 Cypress Avenue
Alhambra CA 91801
(626) 284-9901
(626) 284-1704
Page 145
rev. 03/2006A
RIEDON [ RIEDON POWERTRON ]
