POWER RESISTORS
RHA Series: Aluminum Housed Resistor
INTRODUCTION
•Small size, high power rating and performance
•Excellent space factor
•Strongly resistant to moisture, solvent &
insulation.
•Self-extinguish material is used in molding.
PART NUMBER EXAMPLE
N RHA 250W - 10R - J
•For non-inductively wound, use “N” prefix on the part number.
ELECTRICAL CHARACTERISTICS
Test Items
Short Time Overload
Moisture Resistance
Moisture Load Life
Load Life
Vibration
Heat Resistance
Dielectric Strength
Insulation Resistance
Terminal Strength
Test Conditions
Specifications
5X wattage rating, 5 sec.
R±(0.5%+0.05 ) max
40°C, moisture 95%, 100Vdc 500hr
R±(0.5%+0.05 ) max
40°C, moisture 95%, 1/10 X rated wattage
R±(0.5%+0.05 ) max
1000Hr on-off
1000Hr on-off
R±(1.5%+0.05 ) max
1000Hr on-off
R±(0.2%+0.05 ) max
275°C 2hrs
R±(0.5%+0.05 ) max
5 - 25W: 1000V, 50W: 1500V, 100 - 25W: 2500V R±(0.2%+0.05 ) max
500Vdc
1000M min
5 - 50W: 30 sec @ 4.5Kg, 100W: 5 sec @ 27Kg
R±(0.2%+0.05 ) max
250W: 5 sec @ 36Kg
SPECIFICATIONS
Part
Number
(N)RHA5W
(N)RHA10W
(N)RHA25W
(N)RHA50W
(N)RHA100W
(N)RHA250W
MIL
Spec
RE60
RE65
RE70
RE75
RE77
RE80
Resistance Range ( )
Max Working
Inductive
Non-
Voltage (V)
Inductive (N) Inductive Non-Ind.(N)
0.005 ~ 3K
0.1 ~ 1K
120
70
0.02 ~ 6K
0.03 ~ 2.3K
245
180
0.012 ~ 15K 0.02 ~ 5.5K
500
300
0.01 ~ 40K 0.02 ~ 12K
1300
600
0.4 ~ 50K 0.12 ~ 25K
1900
1340
0.6 ~ 80K 0.15 ~ 40K
2500
1750
Max
Weight
(g)
3
7
15
33
450
800
DIMENSIONS (5W to 100W)
RHA100 connector.
DIMENSIONS (250W)(mm)
Part
Number
L1
L2
RHA5
28.6 15.3 ±1
RHA10
35
19 ±1
RHA25
49
27 ±1
RHA50
70
50 ±1
RHA100 139 ±2 89 ±0.5
RHA250
L3
L4
11.3 ±0.8
2 ±0.5
14.3 ±0.8 2.35 ±0.5
18.3 ±0.8 4.35 ±0.5
39.7 ±0.8 5.15 ±0.5
69.8 ±0.2 9.6 ±0.5
A
16.5 ±1
20.4 ±1
27.2 ±1
29.2 ±1
71.5 ±0.5
Dimensions(mm)
B
C
D
E
H
h
T
W
12.4±0.8 8.5 ±1
1.3 ±0.1 2.4 ±0.3 8.2 ±1
4±1
1.6 ±1
6.7 ±1
15.9±0.8 11±1
2.2 ±0.1 2.4 ±0.3
10±1
5±1
2±1
8.0 ±1
19.8±0.8 14±1
2.2 ±0.1 3.2 ±0.3
14±1
6.5 ±1
2±1 11.0±1
21.5±0.8 16±1
2.2 ±0.1 3.2 ±0.3
16±1
7±1
2±1 10.0±1
57.1 ±.2 46±0.5
N/A
4.8 ±0.2 44.5 ±0.5 20±0.5
5±0.5 25.0 ±0.5
See Illustration Above
b
6.2 ±1
8.0 ±1
9.9 ±1
10.8 ±1
28.6 ±0.5
RFE International
• Tel:(949) 833-1988 • Fax:(949) 833-1788 • E-Mail Sales@rfeinc.com
C2E05
REV 2002.05.08
嵌入式系统
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