1N4933 THRU 1N4937 FAST SWITCHING PLASTIC RECTIFIER Reverse Voltage - 50 to 600 Volts Forward Current - 1.0 Ampere FEATURES DO-204AL ♦ Plastic package has Underwriters Laboratory Flammability Classification 94V-0 ♦ Fast switching for high efficiency ♦ Construction utilizes void-free molded plastic technique ♦ 1.0 Ampere operation at TA=75°C with no thermal runaway ♦ High temperature soldering guaranteed: 250°C/10 seconds, 0.375” (9.5mm) lead length, 5 lbs. (2.3kg) tension 1.0 (25.4) MIN. 0.107 (2.7) 0.080 (2.0) DIA. 0.205 (5.2) 0.160 (4.1) MECHANICAL DATA Case: JEDEC DO-204AL 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, 0.34 gram 1.0 (25.4) MIN. 0.034 (0.86) 0.028 (0.71) DIA. Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25°C ambient temperature unless otherwise specified. SYMBOLS 1N4933 1N4934 1N4935 1N4936 1N4937 UNITS *Maximum repetitive peak reverse voltage VRRM 50 100 200 400 600 Volts *Maximum RMS voltage VRMS 35 70 145 280 420 Volts *Maximum DC blocking voltage VDC 50 100 200 400 600 Volts *Maximum average forward rectified current 0.375" (9.5mm) lead length at TA=75°C I(AV) 1.0 Amp *Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) at TA=75°C IFSM 30.0 Amps VF 1.2 Volts IR 5.0 100.0 µA trr 200.0 ns *Maximum reverse recovery current (NOTE 1) IRM 2.0 Amps Typical junction capacitance (NOTE 2) CJ 12.0 pF RΘJA RΘJL 55.0 25.0 °C/W *Maximum instantaneous forward voltage at 1.0A *Maximum DC reverse current at rated DC blocking voltage TA=25°C TA=100°C *Maximum reverse recovery time (NOTE 1) TJ=25°C Typical thermal resistance (NOTE 3) *Operating junction and storage temperature range TJ, TSTG -50 to +150 NOTES: (1) Reverse recovery test conditions: IF=1.0A, VR=30V, di/dt=50A/µs, and Irr=10% IRM for measurement of trr (2) Measured at 1.0 MHz and applied reverse voltage of 4.0 Volts (3) Thermal resistance from junction to ambient and from junction to lead at 0.375" (9.5mm) lead length, P.C.B. mounted *JEDEC registered values 4/98 °C RATINGS AND CHARACTERISTIC CURVES 1N4933 THRU 1N4937 1.0 I(pk) I(AV) FIG. 2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT =π PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD RECTIFIED CURRENT, AMPERES FIG.1 - FORWARD CURRENT DERATING CURVE 0.8 0.375” (9.5mm) LEAD LENGTH 0.6 CAPACITIVE LOADS I(pk) 5.0 I(AV) = 10 20 0.4 0.2 0 30 20 1.0 CYCLE 10 0 0 25 50 75 100 125 150 TA=75°C 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method) 175 1 10 100 NUMBER OF CYCLES AT 60 HZ AMBIENT TEMPERATURE, °C FIG. 3 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 20 INSTANTANEOUS REVERSE CURRENT, MICROAMPERES FIG. 4 - TYPICAL REVERSE CHARACTERISTICS INSTANTANEOUS FORWARD CURRENT AMPERES 10 TJ=25°C PULSE WIDTH=300µs 1% DUTY CYCLE 1 0.1 100 10 TJ=100°C 1 0.1 TJ=25°C 0.01 0 20 40 60 80 100 PERCENT OF RATED PEAK REVERSE VOLTAGE, % 0.01 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 INSTANTANEOUS FORWARD VOLTAGE, VOLTS FIG. 6 - TYPICAL TRANSIENT THERMAL IMPEDANCE 100 TRANSIENT THERMAL IMPEDANCE, °C/W FIG. 5 - TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE, pF 100 TJ=25°C f=1.0 MHz Vsig=50mVp-p 10 1 0.1 1 10 REVERSE VOLTAGE, VOLTS 100 10 1 0.1 0.01 0.1 1 t, PULSE DURATION, sec. 10 100