2016-03-28
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The DBR series of high power, metal clad, wire wound resistors are designed for use in high power inverters. The basis for these models are sets of PRV resistor surrounded by a metal case, which conforms to international safety
specifications. The steel case is powder coated and baked for durability.

 
Model Rated Wattage Resistance Range (Ω) Resistance
Tolerance
Inductive
MCRD-SEF20000 20KW 0.1-850

±1.0(F)
±2.0(G)
±5.0(J)
±10(K)

MCRD-SEF22000 22KW 0.1-850
MCRD-SEF24000 24KW 0.1-900
MCRD-SEF25000 25KW 0.1-950
MCRD-SEF28000 28KW 0.1-950
 
Model Dimensions (mm) ※( )small-type
L1±5 L2±5 L3±3 W1±2 W2±2 H±2
MCRD-SEF20000 630 605 584 310 260 381
MCRD-SEF22000 630 605 584 310 260 381
MCRD-SEF24000 630 605 584 310 260 381
MCRD-SEF25000 630 605 584 310 260 381
MCRD-SEF28000 630 605 584 310 260 381
 
Values in [] mean change in Ω after test
Temperature Range -55℃ ∼ 200℃
Insulation Resistance 20MΩmin.
Dielectric Strength Available options : AC1500V, 2500V, Leakage Current : 5mA
Temp. Coefficient ±260ppm/℃ max.
Short Time Overload ±[2%+0.05Ω] 10Xwattage rating-5seconds
Moisture Resistance ±[3%+0.05Ω] 40℃, 95% RH, DC100V case to terminal (500hrs.)
Thermal Shock ±[2%+0.05Ω] wattage rating 30min., 25℃, 15 minutes