1N4944G

Reverse Voltage - 200 to 1000 Volts DO-41 FAST RECOVERY GLASS PASSIVATED RECTIFIERS FEATURES 1N4942G THRU 1N4948G Forward Current - 1.0 Ampere 1.0 (25.4) MIN. 0.107(2.7) 0.080(2.0) DIA. 0.205(5.2) 0.166(4.2) The plastic package carries Underwriters Laboratory Flammability Classification 94V-0 Fast 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. 0.034(0.86) 0.028(0.70) DIA. Dimensions in inches and (millimeters) Case: JEDEC DO-41 molded plastic body Terminals: Plated axial leads, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end Mounting Position: Any Weight:0.012 ounce, 0.33 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 1N 4942G 1N 4944G 1N 4946G 1N 4947G 1N 4948G UNITS VOLTS VOLTS VOLTS Amp Amps Volts µA 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=75 C Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) Maximum instantaneous forward voltage at 1.0A TA=25 C Maximum DC reverse current 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) IFSM VF IR trr CJ RθJA TJ,TSTG 200 140 200 400 280 400 600 420 600 1.0 30.0 1.3 5.0 50.0 800 560 800 1000 700 1000 150 250 15.0 50.0 -65 to +150 500 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 1N4942G THRU 1N4948G AVERAGE FORWARD RECTIFIED CURRENT, AMPERES PEAK FORWARD SURGE CURRENT, AMPERES FIG. 1- FORWARD CURRENT DERATING CURVE 1.0 FIG. 2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 30 0.8 25 0.6 20 0.4 Single Phase Half Wave 60Hz Resistive or inductive Load 15 0.2 10 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method) 0 0 25 50 75 100 125 150 175 5.0 1 10 100 AMBIENT TEMPERATURE, C NUMBER OF CYCLES AT 60 Hz INSTANTANEOUS REVERSE CURRENT, MICROAMPERES FIG. 3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS FIG. 4-TYPICAL REVERSE CHARACTERISTICS 1,000 INSTANTANEOUS FORWARD CURRENT,AMPERES 20 10 100 1 10 TJ=100 C 1 0.1 TJ=25 C PULSE WIDTH=300 µs 1%DUTY CYCLE 0.01 0.1 TJ=25 C 0.01 0.6 0.8 1.0 1.2 1.4 1.5 INSTANTANEOUS FORWARD VOLTAGE, VOLTS 0 20 40 60 80 100 PERCENT OF PEAK REVERSE VOLTAGE,% FIG. 5-TYPICAL JUNCTION CAPACITANCE TRANSIENT THERMAL IMPEDANCE, C/W FIG. 6-TYPICAL TRANSIENT THERMAL IMPEDANCE 100 JUNCTION CAPACITANCE, pF 200 100 TJ=25 C 10 10 1 0.1 1 0.01 0.1 1 10 100 0.1 1.0 10 100 REVERSE VOLTAGE,VOLTS t,PULSE DURATION,sec. www.shunyegroup.com