HER308

HER301 THRU HER308 HIGH EFFICIENCY RECTIFIERS Reverse Voltage - 50 to 1000 Volts DO-201AD Forward Current - 3.0 Amperes FEATURES 1.0 (25.4) MIN. 0.220(5.6) 0.197(5.0) DIA. 0.375(9.5) 0.285(7.2) The plastic package carries Underwriters Laboratory Flammability Classification 94V-0 High switching for high efficiency Low reverse leakage High forward surge current capability High temperature soldering guaranteed: 250 C/10 seconds,0.375”(9.5mm) lead length, 5 lbs. (2.3kg) tension MECHANICAL DATA 1.0 (25.4) MIN. 0.052(1.3) 0.048(1.2) DIA. Dimensions in inches and (millimeters) Case: JEDEC DO-201AD molded plastic body Terminals: Plated axial leads, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end Mounting Position: Any Weight:0.04 ounce, 1.10 grams MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 C ambient temperature unless otherwise specified. Single phase half-wave 60Hz,resistive or inductive load,for capacitive load current derate by 20%. SYMBOLS HER 301 HER 302 HER 303 HER HER 304 305 HER 306 HER 307 HER 308 UNITS VOLTS VOLTS VOLTS Amps Maximum repetitive peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forward rectified current 0.375”(9.5mm) lead length at TA=50 C Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) Maximum instantaneous forward voltage at 3.0A Maximum DC reverse current TA=25 C at rated DC blocking voltage TA=100 C Maximum reverse recovery time (NOTE 1) Typical junction capacitance (NOTE 2) Typical thermal resistance (NOTE 3) Operating junction and storage temperature range VRRM VRMS VDC I(AV) 50 35 50 100 70 100 200 300 400 140 210 280 200 300 400 3.0 600 420 600 800 560 800 1000 700 1000 IFSM VF IR trr CJ RqJA TJ,TSTG 50 70.0 1.0 200.0 1.3 5.0 150.0 150.0 1.70 Amps Volts uA 70 50 20.0 -65 to +150 ns pF C/W C Note:1.Reverse recovery condition IF=0.5A,IR=1.0A,Irr=0.25A 2.Measured at 1MHz and applied reverse voltage of 4.0V D.C. 3.Thermal resistance from junction to ambient at 0.375”(9.5mm)lead length,P.C.B. mounted www.shunyegroup.com RATINGS AND CHARACTERISTIC CURVES HER301 THRU HER308 AVERAGE FORWARD RECTIFIED CURRENT, AMPERES FIG. 1- FORWARD CURRENT DERATING CURVE £PEAK FORWARD SURGE CURRENT, AMPERES 3.0 FIG. 2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 200 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method) 160 2.4 1.8 120 HER301-HER305 80 HER306-HER308 40 1.2 Single Phase Half Wave 60Hz Resistive or inductive Load 0.6 0 0 25 50 75 100 125 150 175 0 1 10 100 AMBIENT TEMPERATURE, C NUMBER OF CYCLES AT 60 Hz FIG. 3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 20 1,000 10 FIG. 4-TYPICAL REVERSE CHARACTERISTICS INSTANTANEOUS REVERSE CURRENT, MICROAMPERES INSTANTANEOUS FORWARD CURRENT,AMPERES TJ=25 C PULSE WIDTH=300 ms 1%DUTY CYCLE 100 1 TJ=100 C 10 0.1 HER301-HER303 HER304-HER305 HER306-HER308 0.01 0.2 0.6 1.0 1.4 1.8 2.0 1 TJ=25 C 0.1 0.01 0 20 40 60 80 100 INSTANTANEOUS FORWARD VOLEAGE, VOLTS PERCENT OF PEAK REVERSE VOLTAGE,% FIG. 5-TYPICAL JUNCTION CAPACITANCE 400 200 FIG. 6-TYPICAL TRANSIENT THERMAL IMPEDANCE TRANSIENT THERMAL IMPEDANCE, C/W 100 JUNCTION CAPACITANCE, pF TJ=25 C 10 20 1 HER301-HER305 HER306-HER308 0.1 0.01 0.1 1 10 100 2 0.1 1.0 10 100 REVERSE VOLTAGE,VOLTS t,PULSE DURATION,sec. www.shunyegroup.com