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1N4944 Datasheet(PDF) 1 Page - Shenzhen Ping Sheng Electronics Co., Ltd. |
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1N4944 Datasheet(HTML) 1 Page - Shenzhen Ping Sheng Electronics Co., Ltd. |
1 / 2 page FAST RECOVER RECTIFIER VOLTAGE RANGE 200 to 1000 Volts 1N4942 THRU 1N4948 CURRENT 1.0 Ampere FEATURES • Low coat construction • Fast switching for high efficency. • Low reverse leakage • High forward surge current capability • High temperature soldering guaranteed: 260℃/10 secods/.375”(9.5mm)lead length at 5 lbs(2.3kg) tension MECHANICAL DATA • Case: Transfer molded plastic • Epoxy: UL94V-O rate flame retardant • Polarity: Color band denotes cathode end • Lead: Plated axial lead, solderable per MIL-STD-202E method 208C • Mounting position: Any • Weight: 0.012 ounce, 0.33 grams MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS • Ratings at 25 OC ambient temperature unless otherwise specified • Single Phase, half wave, 60Hz, resistive or inductive load • For capacitive load derate current by 20% SYMBOLS 1N 4942 1N 4944 1N 4946 1N 4947 1N 4948 UNITS Maximum Repetitive Peak Reverse Voltage VRRM 200 400 600 800 1000 Volts Maximum RMS Voltage VRMS 140 280 420 560 700 Volts Maximum DC Blocking Voltage VDC 200 400 600 800 1000 Volts Maximum Average Forward Rectified Current 0.375”(9.5mm) lead length at TA= 75℃ I(AV) 1.0 Amp Peak Forward Surge Current 8.3mS single half sine wave superimposed on rated load (JEDEC method) IFSM 30 Amps Maximum Instantaneous Forward Voltage @ 1.0A VF 1.3 Volts TA = 25℃ 5.0 Maximum DC Reverse Current at Rated DC Blocking Voltage TA = 100℃ IR 100 µA Maximum Reverse Recovery Time (Note 3) TJ=25℃ trr 150 250 500 ns Typical Junction Capacitance (Note 1) CJ 15 pF Typical Thermal Resistance (Note 2) RθJA 50 ℃ /W Operating Junction Temperature Range TJ (-55 to +150) ℃ Storage Temperature Range TSTG (-55 to +150) ℃ Notes: 1.Measured at 1.0MHz and Applied Reverse Voltage of 4.0Volits. 2 Thermal Resistance from junction to Ambient at .375”(9.5mm)lead length, P.C.board mounted. 3.Reverse Recovery Test Conditions:If=0.5A,Ir=1.0A,Irr=0.25A Dimensions in inches and (millimeters) DIA. .034(0.9) .028(0.7) DIA. .107(2.7) .080(2.0) .205(5.2) .160(4.2) 1.0(25.4) MIN. 1.0(25.4) MIN. DO-41 Web Site: WWW.PS-PFS.COM |
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