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 FGRA FIBER GLASS
RESISTOR ASSEMBLIES

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The FGRA series of high power, fiber glass resistors are designed for use in high power inverters.  The basis
for these models are wire wound elements with a fiber glass core.  These are covered by a case which
conforms to international safety specifications.  This case is powder coated and baked for durability.

GENERAL SPECIFICATIONS

Model

Resistance
Range [
ohms]

Power Rating

Resistance
Tolerance

Fan

Free Air

FGRA6600 1.83-700

4KW

2KW

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

FGRA8300 1.4-1200

5KW

2.5KW

FGRA10000 1.3-1050

6KW

3KW

CHARACTERISTICS

1/Temperature Range

                                                                                                                                           -55C to +200C

2/Insulation Resistance

                                                                                                                                 20Mohms minimum

3/Dielectric Strength

                                 Available options:  1500, 2500, 3500 (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 [Kg]

W+-2 D+-2 H+-2 W1+-2 D1+-2
FGRA6600 290 700 215 245 500 11.3
FGRA8300 11.9
FGRA10000 12.1

     

SURFACE TEMPERATURE INCREASE VS. POWER LOAD

ORDERING PROCEDURE EXAMPLE

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