C2E05

12-11-2020

Page 2 of 3

RFE International • Tel (949) 833-1988 • Fax (949) 833-1788 • E-mail sales@rfeinc.com

Power Resistors

RHA Series: Aluminum Housed Resistor

THERMAL CHARACTERISTICS (Ta=25 Unless otherwise specified

100

80

60

40

20

POWER GRAPH

150

100

50

HOT-SPOT

300W

250W

100W

100WS

80W

50W

25W

10W

5W

0

25

75

125

175

225

275

0 0

20

40

60

80

100

Ambient Temperature ℃

APPLIED LOAD % OF RCWV

ELECTRICAL CHARACTERISTICS (Ta=25 Unless otherwise specified

Load Time

(Second)

1

2

3

4

5

10

30

60

180

300

600

900

Power Incerase

2600 2000 1600 1400 1300 1000

600

450

200

150

120

110

SHORT-TIME OVERLOAD RATING

Characteristics

Limits

Test Methods

Resistance Tolerance

Resistance Tolerance 0Ω1~100KΩ

JIS-C-5202 5-1

Temperature Coefficient

± 200ppm/ °C max.

JIS-C-5202 5-2b

Power Rating Load

ΔR/R≤±(1%+0.05Ω) Surface

JIS-C-5202 5-4

Short-Time Overload

ΔR/R≤±(2%+0.05Ω)

JIS-C-5202 5-5

Insulation Resistance

DC500V 100MΩ min

JIS-C-5202 5-6

Dielectric Withstanding Voltage

AC3000V 60Sec.

JIS-C-5202 5-7