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Model Wattage with Heat Sink Resistance Range (Ω) Resistance Tolerance
PRF  50 50 1~420

±0.5%(D)
±1.0%(F)
±2.0%(G)
±5.0%(J)
±10%(K)

PRF  100 100 1~1.1K
PRF  150 150 1~1.7K
PRF  200 200 1~2.2K
PRF  250 250 1~2.7K
PRF  300 300 1~3.5K
PRF  400 400 1~4.0K
PRF  500 500 1~5.0K
 
Values in [ ] mean change in Ω after test
Temperature Range Cement : -55℃~+250℃, Silicone : -55℃~150℃
Insulation Resistance 20MΩ minimum
Dielectric Strength
Available options : AC 1500V, 2500V, 3000V, 4500V (Max. leakage current : 2mA)
Temp. Coefficient
±260ppm/℃ maximum
Short Time Overload
±[1%+0.05Ω] 50W : 5 x Power rating 5 secs., 100W-500W : 5 x Power rating 5 secs.
Moisture Resistance
±[2%+0.05Ω] 40℃, 95% RH, DC100V case to terminal(500hrs.)
Thermal Shock
±[1%+0.05Ω] Power ration-30 minutes,, -25℃, -15minutes
Vibration
±[1%+0.05Ω] 10Hz - 55Hz - 10Hz (1minute) 2hrs, each direction
Moisture Load Life

±[2%+0.05Ω] 40℃, 95%RH, 0.1x Power rating,
                    1.5hrs-on, 30minute-off, 500hrs.

Load Life ±[3%+0.05Ω] Power rating 1.5hrs. on, 30minutes-off, 500hrs.
Model Dimension Weight(g)
L1±1 L2±0.3 W1±0.3 W2±0.3
PRF  50 70 50 60 50 115
PRF  100 90 70 80 70 165
PRF  150 120 100 80 70 215
PRF  200 150 130 80 70 260
PRF  250 180 160 80 70 310
PRF  300 210 190 80 70 355
PRF  400 270 250 80 70 455
PRF  500 330 310 80 70 555
Model 2㎟ 1.25㎟ UL 3512 AWG 16
PRF  50 ~ 150 x 1~ x
PRF  200 1~4 4.1~ x
PRF  250 1~5 5.1~ x
PRF  300 1~6 6.1~ x
PRF  400 1~8 8.1~ x
PRF  500 1~10 10.1~ x