1N4933 THRU 1N4937 FAST SWITCHING PLASTIC RECTIFIERS Reverse Voltage – 50 to 600 Volts Forward Current – 1.0 Ampere DO-41 Features • 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℃ with no thermal • runaway • High temperature soldering guaranteed: • 250℃/10 seconds, 0.375” (9.5mm) lead length, • 5 lbs. (2.3kg) tension • Case : Molded plastic, DO-41 Absolute Maximum Ratings and Characteristics Ratings at 25℃ 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 70 140 280 420 Volts Maximum DC blocking voltage VCD 50 100 200 400 600 Volts Maximum average forward rectified current 0.375” ( 9.5mm) lead length at TA = 75 OC I(AV) 1 Amp IFSM 30 Amps VF 1.2 Volts 5 µA Peak forward surge current 8.3mS single half sine-wave superimposed on rated load (MIL-STD-750D 4066 method) at TA = 75 OC Maximum instantaneous forward voltage at 1A Maximum DC reverse current TA = 25 OC at rated DC blocking voltage TA = 100 OC IR 100 Maximum reverse recovery time (Note 1) Tj = 25 OC Trr 200 nS Typical junction capacitance (Note 2) CJ 15 pF RΘJA 55 RΘJL 25 TJ ,TS -50 to +150 Typical thermal resistance (Note 3) Operating junction and storage temperature range O O Notes: (1) Reverse recovery test conditions: IF = 0.5A, IR = 1.0A, Irr = 0.25A. (2) Measured at 1.0MHZ 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, (4) P.C.B.mounted. SEMTECH ELECTRONICS LTD. ® C/W (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 29/10/2003 C