UHR 4-5020D

UHR 4-5020D
Special Resistors
•
•
•
•
•
Resistances from 1Ohm to 40Ohms
Power Rating to 8Watt
Resistance Tolerances to ±0.1%
TCR to ±5ppm/K
Load Stability to 0.1%
SPECIFICATIONS
Type
UHR 4-5020D
Resistance Range
1.0 to 40 Ohms
Other values upon request
Power rating (70°C)
8W
Pulse Energy
1 kJ / 1s
Thermal Resistance Rthj-c
Tolerances
10 K/W
0.1%
Other tolerances upon request
Stability
0.1%
Temperature Coefficient
±5ppm/K (-55 to 155°C)
Insolation Resistance
3 kVDC
max. Current
3A
Thermal EMF
< 0.1µV/K
Operating Temperature Range
-55 to 155°C
Resistor Material
NiCr-Foil
Substrate
AlN
Housing
Al
Connector Material
Cu tinned
Terminals
4
Ordering Information
Part Number - Resistance - Tolerance
UHR 4-5020D 10Ohms 0.1%
Riedon Inc.
300 Cypress Avenue
Alhambra CA 91801
(626) 284-9901
(626) 284-1704
www.riedon.com
Page 107
rev. 03/2006A
UHR 4-5020D
Special Resistors
SPECIFICATIONS (continued)
Temperature Coefficient
800
∆R/R (ppm)
600
+5ppm/K
-5ppm/K
400
200
Nominal Spread
±2.3ppm/K
0
-200
Nominal ∆R/R
-400
Nominal Spread
±2.3ppm/K
-600
-800
-50
0
-25
25
50
75
100
125
Temperature (°C)
Derating
120
Power (% from
nominal power)
100
80
60
40
20
0
50
70
90
110
130
155
Ambient Temperature (°C)
Dimensions
Riedon Inc.
300 Cypress Avenue
Dimension
mm
tol.
(±mm)
inches
tol.
(±inches)
A
19.50
0.2
0.77
0.008
B
50.00
0.3
1.97
0.012
C
16.50
0.2
0.65
0.008
D
28.00
0.2
1.10
0.008
Alhambra CA 91801
(626) 284-9901
(626) 284-1704
www.riedon.com
Page 108
rev. 03/2006A