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1N4937 Datasheet(PDF) 1 Page - Taiwan Semiconductor Company, Ltd |
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1N4937 Datasheet(HTML) 1 Page - Taiwan Semiconductor Company, Ltd |
1 / 2 page - 400 - 1N4933 THRU 1N4937 1.0 AMP. Fast Recovery Rectifiers Voltage Range 50 to 600 Volts Current 1.0 Ampere Features Low forward voltage drop High current capability High reliability High surge current capability Mechanical Data Cases: Molded plastic Epoxy: UL 94V-O rate flame retardant Lead: Axial leads, solderable per MIL- STD-202, Method 208 guaranteed Polarity: Color band denotes cathode end High temperature soldering guaranteed: 260 oC/10 seconds/.375”,(9.5mm) lead lengths at 5 lbs., (2.3kg) tension Weight: 0.34gram DO-41 Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics Rating at 25 ℃ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% Type Number Symbol 1N 4933 1N 4934 1N 4935 1N 4936 1N 4937 Units Maximum Recurrent Peak Reverse Voltage VRRM 50 100 200 400 600 V Maximum RMS Voltage VRMS 35 70 140 280 420 V Maximum DC Blocking Voltage VDC 50 100 200 400 600 V Maximum Average Forward Rectified Current .375 (9.5mm) Lead Length @TA = 50 ℃ I(AV) 1.0 A Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method ) IFSM 30 A Maximum Instantaneous Forward Voltage @ 1.0A VF 1.2 V Maximum DC Reverse Current @ TA=25 ℃ at Rated DC Blocking Voltage @ TA=100 ℃ IR 5.0 100 uA uA Maximum Reverse Recovery Time ( Note 1 ) Trr 200 nS Typical Junction Capacitance ( Note 2 ) Cj 10 pF Typical Thermal Resistance ( Note 3 ) R θJA 65 OC/W Operating Temperature Range TJ -65 to +150 ℃ Storage Temperature Range TSTG -65 to +150 ℃ Notes: 1. Reverse Recovery Test Conditions: IF=1.0A, VR=30V, di/dt=50A/uS, Irr=10% IRM for Measurement of trr. 2. Measured at 1 MHz and Applied Reverse Voltage of 4.0 V D.C. 3. Mount on Cu-Pad Size 5mm x 5mm on P.C.B. |
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