FAST RECOVERY GLASS PASSIVATED RECTIFIER 1N4942G THRU 1N4948G VOLTAGE RANGE 200 to 1000 Volts CURRENT 1.0 Ampere FEATURES • • • • • DO-41 Fast switching for high efficiency Glass passivated chip junction High current surge capability Low leakage High temperature soldering guaranteed 260℃/10 seconds,0.375”(9.5mm)lead length at 5 lbs (2.3kg) tension MECHANICAL DATA • • • • • • Case: Transfer molded plastic Epoxy: UL94V-0 rate flame retardant Polarity: Color band denotes cathode end Lead: Plated axial lead, solderable per MIL-STD-202E method 208C Mounting position: Any Weight: 0.012ounce, 0.33 gram 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 1N4942G 1N4944G Maximum Repetitive Peak Reverse Voltage VRRM 200 400 Maximum RMS Voltage VRMS 140 280 Maximum DC Blocking Voltage VDC 200 400 Maximum Average Forward Rectified Current 0.375″(9.5mm) lead length at T A =55℃ Peak Forward Surge Current 8.3ms single half sine-wave superimposed on rated load (JEDEC method) 1N4946G 600 420 600 1N4947G 800 560 800 1N4948G 1000 700 1000 UNIT Volts Volts Volts I(AV) 1.0 Amp IFSM 30 Amps Maximum Instantaneous Forward Voltage at 1.0A VF IR 1.3 5.0 200 250 15 50 (-55 to +150) (-55 to +150) Volts Maximum DC Reverse Current at rated TA = 25℃ DC Blocking Voltage TA = 125℃ Maximum Reverse Recovery Time(NOTE 3) Typical Junction Capacitance (NOTE 1) Typical Thermal Resistance (NOTE 2) Operating Temperature Range Storage Temperature Range trr CJ RθJA TJ TSTG 150 Notes: 1. Measured at 1.0 MHz and applied reverse voltage of 4.0 Volts. 2. Thermal Resistance from Junction to Ambient at.375″(9.5mm) lead length, P.C board mounted. 3. Test conditions: IF=0.5A, IR=1.0A, IRR=0.25A. Web Site: www.hkmic.com µA 500 nS pF ℃/W ℃ ℃ FAST RECOVERY GLASS PASSIVATED RECTIFIER 1N4942G THRU 1N4948G VOLTAGE RANGE 200 to 1000 Volts CURRENT 1.0 Ampere RATING AND CHRACTERISTIC CURVES 1N4942G THRU 1N4948G FIG.2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT Single Phase Half Wave 60Hz Resistive or Inductive Load 0.375″(9.5mm) Lead Length 1.0 0.8 0.6 0.4 0.2 30 CURRENT, (A) PEAK FORWARD SURGE 1.2 (A) AVERAGE FORWARD CURRENT, FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE 8.3ms Single Half Sine-Wave (JEDEC Method) T= Tjmax 20 10 1 Cycle 0 0 25 50 55 100 75 125 175 150 0 1 2 AMBIENT TEMPERATURE, (° C) 4 FIG.3-TYPICAL INSTANTANEOUS INSTANTANEOUS REVERSE CURRENT, (μA) 1.0 (A) INSTANTANEOUS FORWARD CURRENT, 10 0.1 TJ =25° C Pulse Width=300us 1% Duty Cycle 0.6 0.8 1.0 1.2 1.4 1.6 8 10 40 20 60 100 FIG.4-TYPICAL REVERSE CHARACTERISTICS FORWARD CHARACTERISTICS 0.01 0.4 6 NUMBER OF CYCLES AT 60 Hz 1.8 20 10 TJ =125° C 1.0 TJ=75° C 0.1 TJ=25° C INSTANTANEOUS FORWARD VOLTAGE,(V) 0.01 0 20 40 60 100 80 120 140 PERCENT OF RATED PEAK FIG.5-TYPICAL JUNCTION CAPACITANCE REVERSE VOLTAGE,(%) JUNCTION CAPACITANCE,(pF) 100 F1G.6-TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC Trr 50Ω 10Ω NONINDUCTIVE NONINDUCTIVE +0.5A (-) 10 (+) 25 Vdc (approx.) (-) T J =25° C f=1MHz Vsig=50mVp-p 1.0 1Ω NON INDUCTIVE PULSE GENERATIOR (NOTE 2) 0 -0.25A (+) OSCILLOSCOPE (NOTE 1) -1.0A 1cm 1 0.1 D.U.T. 10 REVERSE VOLTAGE,(V) 100 NOTES : 1.Rise Time=7ns mas. Input Impedance= 1 magohm. 22pF 2.Rise time=10ns max. Source Impedance= 50 ohms Web Site: www.hkmic.com SET TIME BASE FOR 50/100ns/cm