PRESS FIT ARTOMOTIVE RECTIFIER （ PRM251 THRU PRM256 VOLTAGE RANGE 100 to 600 Volts CURRENT 25.0 Amperes MC-1 TECHNICAL SPECIFICATION： 0.050± 0.002 (Φ1.28±0.05) FEATURES • • • • Low Leakage Low forward voltage drop High current capability High forward surge current capacity ± 0.02 1.083 -0 (27.5 0.62± 0.004 (15.7± 0.01) ± 0.5 -0 ) 0.307± 0.02 (7.80± 0.50) 0.437± 0.004 (11.1± 0.1) MECHANICAL DATA • • • • • • 0.50－0.504 (12.73-12.79) Technology: Cell with vacuum soldered Case: Copper case Polarity: As marked of case bottom Lead: Plated lead , solderable per MIL-STD-202E method 208C Mounting: Press Fit Weight: 0.28 ounces, 8.0 grams Epoxy Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS • • • Ratings at 25℃ ambient temperature unless otherwise specified Single Phase, half wave, 60HZ, resistive or inductive load For capacitive load derate current by 20% SYMBOLS PRM251 PRM252 PRM253 PRM254 PRM256 UNIT Maximum Repetitive Peak Reverse Voltage VRRM 100 200 300 400 600 Volts Maximum RMS Voltage VRMS 70 140 210 280 420 Volts Maximum DC Blocking Voltage VDC 100 200 300 400 600 Volts Maximum Average Forward Rectified Current, I(AV) 25 Amps IFSM 400 Amps Rating for fusing (t＜8.3ms) I2t 664 A2S Maximum instantaneous Forward Voltage at 100A VF 1.08 Volts At Tc=105℃ Peak Forward Surge Current 3.3mS single half sine wave superimposed on Rated load (JEDEC method) Maximum DC Reverse Current at Rated TA=25℃ DC Blocking Voltage IR TA=100℃ RθJC 0.8 ℃/W (-65 to +175) ℃ Notes: 1. UA 450 TJ,TSTG Typical Thermal Resistance Operating and Storage Temperature Range 5.0 Enough heatsink must be considered in application. Web Site: WWW.PS-PFS.COM ER（ PRESS FIT ARTOMOTIVE RECTIFI PRM251 THRU PRM256 VOLTAGE RANGE 100 to 600 Volts CURRENT 25.0 Amperes RATINGS AND CHARACTERISTIC CURVES PRM251 THRU PRM256 F1G.1 TYPICAL FORWARD CURRENT DERATING GURVE F1G.2 MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT PEAK FORWARD SURGE CURRENT,(A) AVERAGE FORWARD CURRENT, (A) 30 25 20 Single Phase Half Wave 60Hz 10 Resistive or Inductive Load 0.375″(9.5mm) Lead Length 600 8.3ms Single Half Sine-Wave 500 (JEDEC Method) Tj=Tj max 400 300 200 100 0 0 25 50 75 110 100 1 Cycle 125 150 175 1 AMBIENT TEMPERATURE, (℃) 2 4 6 8 10 20 40 60 80 100 NUMBER OF CYCLES AT 60 Hz F1G.3 TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS F1G.4 FORWARD ROWER DISSIPATION AVERAGE POWER DISSIPATION (W) INSTANTANEOUS FORWARD CURRENT, (A) 1000 100 10 T1=25℃ PULSE WIDTH=300μS 1%DUTY CYCLE 40 SQUARE WAVE DC 20 0 0 1.0 0.1 0.6 60 10 20 30 40 AVERAGE FORWARD CURRENT, (A) 0.8 1.0 1.2 1.4 1.6 1.8 2.0 INSTANTANEOUS FORWARD VOLTAGE,(V) 50