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 RA RESISTOR
ASSEMBLIES

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The RA series of  power, metal clad, wire wound resistors are designed for use in power inverters.  The basis for
these models is an IRH or IRV
resistor surrounded by a metal case, which conforms to international safety
specifications. The steel case is powder coated and baked for durability.

GENERAL SPECIFICATIONS

Model

Internal
Resistor

Free Air
Wattage
Rating

Resistance Range [ohms]

Resistance
Tolerance

Inductive

Non-Inductive

RA080

IRH80

80

0.1-910

0.1-110

+-0.5(D)
+-1.0(F)
+-2.0(G)
+-5.0(J)
+-10(K)

RA100

IRH100

90

0.1-1.1K

0.1-240

RA200

IRH200

140

0.1-2.2K

0.1-1K

RA300

IRH300

210

0.1-2.7K

0.1-1.5K

RA400

IRH400

240

0.1-4.3K

0.1-2.2K

RA500

IRH500

300

0.1-6.8K

0.1-3K

RA600

IRV600

320

0.1-94

0.1-23

RA800

IRV800

360

0.1-112

0.1-28

RA1000

IRV1000

400

0.1-140

0.1-36

CHARACTERISTICS

1/Temperature Range

                                                                                                                                           -55C to +200C

2/Insulation Resistance

                                                                                                                                 20Mohms minimum

3/Dielectric Strength

                     Available options:  1500, 3500, 4500, 5400 (VAC); Max Leakage Current:  2mA

4/Temp. Coefficient

                                                                                                                         +-260ppm/C maximum

5/Short Time Overload

+-[2%+0.05 ohms]                                                                                      10 X wattage rating 5s.

6/Moisture Resistance

+-[3%+0.05 ohms]                                      40C, 95% RH, DC100V case to terminal (500hrs.)

7/Thermal Shock

+-[2%+0.05 ohms]                                                      Wattage rating 30min., -25C, 15minutes

DIMENSIONS

Model

Dimensions[mm]

Weight [g]

W+_1.5 H+-1.5 D+-2 D1+-1.5 D2+-2

RA080

75 65 254 240 224 980

RA100

75 65 254 240 224 1000

RA200

90 105 440 426 410 2415

RA300

90 105 440 426 410 2530

RA400

90 105 440 426 410 2700

RA500

90 105 440 426 410 2920

RA600

90 105 440 426 410 3095

RA800

90 105 440 426 410 3430

RA1000

90 105 440 426 410 3725

ORDERING PROCEDURE EXAMPLE

Copyright©, RARA Electronics Corporation
Tel:82-32-817-4325 Fax:82-32-817-4329