FHR 4-2820H

FHR 4-2820H
Special Resistors
•
•
•
•
•
•
Resistances from 0.001Ohm to 0.01Ohms
Power Rating to 10Watt
Resistance Tolerances to ±1%
TCR to ±30ppm/K
Load Stability to 0.5%
Customized Resistance Values
SPECIFICATIONS
Type
FHR 4-2820H
Resistance Range
0.001 to 0.01 Ohms
Other values upon request
Power rating
free air 70°C
with heatsink
3W
10 W
Tolerances
1% / 5%
Other tolerances upon request
Thermal Resistance
8.0 K/W
Stability
0.5%
Temerature Coefficient
±30ppm/K (20 to 60°C)
Insolation Resistance
50 VDC
max. Current
100 A
Thermal EMF
< 0.1µV/K
Operating Temperature Range
-40 to 130°C
Resistor Material
CuNiMn-Foil
Substrate
anodized aluminium
Connector Material
Cu / tinned
Terminals
4
Ordering Information
Part Number - Resistance - Tolerance
FHR 4-2820H 0.01 Ohms 1%
Riedon Inc.
300 Cypress Avenue
Alhambra CA 91801
(626) 284-9901
(626) 284-1704
www.riedon.com
Page 29
rev. 03/2006A
FHR 4-2820H
Special Resistors
SPECIFICATIONS (continued)
Temperature Coefficient
4000
∆R/R (ppm)
2000
+15ppm/K
0
-15ppm/K
-2000
Limit 2 (3σ)
-4000
Nominal ∆R/R
-6000
-8000
Limit 1 (3σ)
-40
-20
0
20
40
60
80
100
120
140
Temperature (°C)
Derating
120
Power (% from
nominal power)
Power (% from
nominal power)
without heatsink
100
80
60
40
20
0
with heatsink
120
100
80
60
40
20
0
25
50
70
85
100
115
130
25
50
85
100
115
130
Temperature of the backplate (°C)
Ambient Temperature (°C)
Dimensions
Dimension
Riedon Inc.
300 Cypress Avenue
mm
tol.
(±mm)
inches
tol.
(±inches)
A
8.50
0.2
0.33
0.008
B
25.75
0.2
1.01
0.008
C
2.00
0.2
0.08
0.008
D
5.08
0.1
0.20
0.004
E
0.80
0.1
0.03
0.004
F
3.00
0.1
0.12
0.004
G
1.30
0.1
0.05
0.004
H
5.08
0.1
0.20
0.004
I
2.60
0.1
0.10
0.004
J
3.00
0.1
0.12
0.004
K
1.90
0.1
0.07
0.004
L
5.08
0.1
0.20
0.004
M
3.60
0.1
0.14
0.004
N
20.00
0.2
0.79
0.008
O
18.84
0.2
0.74
0.008
P
27.50
0.2
1.08
0.008
Alhambra CA 91801
(626) 284-9901
(626) 284-1704
www.riedon.com
Page 30
rev. 03/2006A