DISH AUTOMOTIVE RECTIFIER DR251 THRU DR256 DRS251 THRU DRS256 TECHNICAL SPECIFICATION： VOLTAGE RANGE 100 to 400 Volts CURRENT 25.0 Amperes DR-35 DRS-35 FEATURES • • • • • Low Leakage Low forward voltage drop High current capability High forward surge current capacity Glass passivated chip 1.5± 0.05 1.5± 0.05 Positive: 19.0± 0.5 Positive: 19.0± 0.5 Negative: 23.0± 0.5 Negative: 23.0± 0.5 MECHANICAL DATA • Technology: vacuum soldered Case: Copper case Polarity: As marked of case bottom Lead: Plated Ni lead, solderable per MIL-STD-202E method 208C Weight: 0.032 ounces, 0.9 grams (DRS) 0.035 ounces, 1.0 grams (DR) 7.0± 0.2 2.2 8.4± 0.2 2.2 • • • • 9.5± 0.2 8.4± 0.2 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 DR251 DR252 DR253 DR254 DR256 DRS251 DRS252 DRS253 DRS254 DRS256 100 200 300 400 600 Volts UNIT Maximum Repetitive Peak Reverse Voltage VRRM 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, IO 25 Amps IFSM 400 Amps Rating for fusing (t＜8.3ms) I2t 664 A2S Maximum instantaneous Forward Voltage at 100A VF 1.10 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℃ Typical Thermal Resistance Operating and Storage Temperature Range UA 300 RθJC 1.0 ℃/W TJ,TSTG (-65 to +175) ℃ Notes: 1. 5.0 Enough heatsink must be considered in application. Web Site: www.hkmic.com DISH AUTOMOTIVE RECTIFIER DR251 THRU DR256 DRS251 THRU DRS256 PEAK FORWARD SURGE CURRENT,(A) AVERAGE FORWARD CURRENT, (A) 30 Single Phase Half Wave 60Hz Resistive or Inductive Load 10 CURRENT 25.0 Amperes F1G.2 MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 40 20 100 to 400 Volts DR251 THRU DR256 DRS251 THRU DRS256 RATINGS AND CHARACTERISTIC CURVES F1G.1 TYPICAL FORWARD CURRENT DERATING GURVE VOLTAGE RANGE 0.375″(9.5mm) Lead Length 600 8.3ms Single Half Sine-Wave 500 (JEDEC Method) Tj=Tj max 400 300 200 100 0 1 Cycle 0 25 50 75 100 125 150 175 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 50 SQUARE WAVE DC 30 0 0 1.0 0.1 0.6 80 20 30 40 50 AVERAGE FORWARD CURRENT, (A) 0.8 1.0 1.2 1.4 1.6 1.8 2.0 INSTANTANEOUS FORWARD VOLTAGE,(V) Web Site: www.hkmic.com 60