1N4942 THRU 1N4948 VOLTAGE RANGE 200 TO 1000 VOLTS CURRENT 1.0 AMPERE FAST RECOVERY RECTIFIERS FEATURES * Plastic package has Underwriters Laboratory Flammability Classification 94V-0 * High switching capability * Low leakage * Low forward voltage drop * High current capability * Glass passivated junction * High surge current capability MECHANICAL DATA Case: JEDEC DO-41 molded plastic Terminals: Plated axial leads, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end Mounting Position: Any Weight: 0.35 gram MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25oC ambient temperature unless otherwise specified. Single phase, half wave, 60 HZ, resistive or inductive load. For capacitive load, derate current by 20%. o MAXIMUM RATINGS (At T A = 25 C unless otherwise noted) SYMBOL 1N4942 1N4944 1N4946 1N4947 1N4948 Maximum Recurrent Peak Reverse Voltage RATINGS VRRM 200 400 600 800 1000 Volts Maximum RMS Voltage VRMS 140 280 420 560 700 Volts VDC 200 400 600 800 1000 Maximum DC Blocking Voltage Maximum Average Forward Rectified Current o at T A = 75 C Peak Forward Surge Current 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) Typical Junction Capacitance (Note 2) Operating and Storage Temperature Range UNITS Volts IO 1.0 Amps I FSM 30 Amps CJ 15 pF T J , T STG -55 to + 150 0 C ELECTRICAL CHARACTERISTICS (At TA = 25oC unless otherwise noted) CHARACTERISTICS Maximum Instantaneous Forward Voltage at 1.0A DC Maximum DC Reverse Current at Rated DC Blocking Voltage TA = 25 oC Maximum Full Load Reverse Current Full Cycle Average, .375” (9.5mm) lead length at T L = 55 oC Maximum Reverse Recovery Time (Note 1) SYMBOL VF 1N4942 1N4944 1N4946 1.3 1N4947 1N4948 5.0 UNITS Volts uAmps IR 100 trr 150 uAmps 250 500 nSec NOTES : 1. Test Conditions: IF = 0.5A, IR = -1.0A, I RR = -0.25A 2. Measured at 1 MHZ and applied reverse voltage of 4.0 volts E-mail: [email protected] 1 of 2 Web Site: www.taychipst.com 1N4942 THRU 1N4948 VOLTAGE RANGE 200 TO 1000 VOLTS CURRENT 1.0 AMPERE FAST RECOVERY RECTIFIERS 1.0 .8 .6 .4 Single Phase Half Wave 60Hz Resistive or Inductive Load .2 0 0 25 50 75 100 125 150 175 AMBIENT TEMPERATURE, ( ) FORWARD SURGE CURRENT, (A) FIG. 2 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 50 8.3ms Single Half Sine-Wave (JEDED Method) 40 30 20 10 1 0 0 2 FIG. 2 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS INSTANTANEOUS FORWARD CURRENT, (A) FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE 10 4 6 8 10 20 40 60 80 100 NUMBER OF CYCLES AT 60Hz TJ = 25 1.0 Pulse Width=300uS 1% Duty Cycle .1 .01 .4 .6 .8 1.0 1.2 1.4 1.6 INSTANTANEOUS FORWARD VOLTAGE, (V) INSTANTANEOUS REVERSE CURRENT, (uA) AVERAGE FORWARD CURRENT, (A) RATING AND CHARACTERISTIC CURVES ( 1N4942 THRU 1N4948 ) FIG. 4 - TYPICAL REVERSE CHARACTERISTICS 20 10 TJ = 125 1.0 TJ = 75 .1 TJ = 25 .01 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE, (%) FIG. 5 - TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE, ( pF ) 200 100 60 40 20 10 6 4 TJ =25oC 2 1 .1 E-mail: [email protected] 2 of 2 .2 .4 1.0 2 4 10 20 REVERSE VOLTAGE, ( V ) 40 100 Web Site: www.taychipst.com