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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

Resistor
Type
Inside

Wattage
Rating in
Free Air

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

RA1200

IRV1200

420

0.1-160

0.1-48

RA1600

IRV1600

570

1.5-88

0.3-23

RA2000

IRV2000

650

2.0-113

0.45-30.5

RA2400

IRV2400

720

2.5-144

0.6-37

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

Weight

[g]

Dimensions [mm]

W+-1.5

H+-1.5

D+-2

D1+-1.5

D2+-2

RA080

980

78.5

67

254

240

224

RA100

1000

78.5

67

254

240

224

RA200

2415

93.5

105

440

426

410

RA300

2530

93.5

105

440

426

410

RA400

2700

93.5

105

440

426

410

RA500

2920

93.5

105

440

426

410

RA600

3095

93.5

105

440

426

410

RA800

3430

93.5

105

440

426

410

RA1000

3725

93.5

105

440

426

410

RA1200

4194

93.5

105

510

426

480

RA1600

5900

93.5

147

615

600

584

RA2000

6500

93.5

147

615

600

584

RA2400

7100

93.5

147

615

600

584

ORDERING PROCEDURE EXAMPLE

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

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