Power Resistors

RHA Series: Aluminum Housed Resistor

C2E05

12-11-2020

Page 3 of 3

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PERFORMANCE

PART NUMBERING CODE

RHA

50W

5K0

J

Type

Power Rating

Resistance

Tolerance

(NRHA for non-inductive wound)

5W

1Ω = 1R0

F± 1%

10W

10Ω = 10R

G± 2%

25W

100Ω = 100R

J± 5%

50W

1KΩ = 1KR

85W

5KΩ = 5K0

100W

50KΩ = 50K

250W

Parameters

Test Conditions

Specifications

Short time Over Load

5X wattage rating-5sec

△R±(0.5%+0.05Ω)MAX

Moisture Resistance

Temp 40

℃moisture95%DC100V500HR

△R±(0.5%+0.05Ω)MAX

Moisture Load Life

Temp 40

℃moisture95%1/10XWattagerating(1.5HrON-0.5Hr

OFF)-Repeat 1000Hr

△R±(0.5%+0.05Ω)MAX

Load Life

Load Rating(chass is mounted)

(1.5Hr ON 0.5Hr OFF) -Repeat 1000Hr

△R±(1.5%+0.05Ω)MAX

Vibration

10c/s~50c/s~10c/s(lmin)2Hr each of paralleled and right angle

△R±(0.2%+0.05Ω)MAX

Heat Resistance

275

℃2Hr

△R±(0.5%+0.05Ω)MAX

Dielectric Strength

RHA-5, RHA-10, RHA-25 1000V

RHA-50 1500V

RHA-100 RHA-250 2500V

△R±(0.2%+0.05Ω)MAX

Insulation

Resistance

Under the same test condition of Dieletric Strength

Load DC500v and measure the insulation

1000M Ω min

Terminal Strength

Pull Test (30 sec Min) RHA-50 1kg, RHA-10 2.3kg,

RHA-25, RHA-50 4.5kg

Torque Test (5~15sec), RHA-100 27kg-cm, RHA-250 36Kg-cm

△R±(0.2%+0.05Ω)MAX