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1N4937 Dataheets PDF



Part Number 1N4937
Manufacturers Diodes
Logo Diodes
Description 1.0A FAST RECOVERY RECTIFIER
Datasheet 1N4937 Datasheet1N4937 Datasheet (PDF)

NOT RECOMMENDED FOR NEW DESIGN USE RS1A - RS1J Series Features  Diffused Junction  Fast Switching for High Efficiency  High Current Capability and Low Forward Voltage Drop  Surge Overload Rating to 30A Peak  Low Reverse Leakage Current  Lead Free Finish, RoHS Compliant (Notes 1 & 2) Pb 1N4933 - 1N4937 1.0A FAST RECOVERY RECTIFIER Mechanical Data  Case: DO-41  Case Material: Molded Plastic. UL Flammability Classification Rating 94V-0  Moisture Sensitivity: Level 1 per J-STD-020  Ter.

  1N4937   1N4937



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NOT RECOMMENDED FOR NEW DESIGN USE RS1A - RS1J Series Features  Diffused Junction  Fast Switching for High Efficiency  High Current Capability and Low Forward Voltage Drop  Surge Overload Rating to 30A Peak  Low Reverse Leakage Current  Lead Free Finish, RoHS Compliant (Notes 1 & 2) Pb 1N4933 - 1N4937 1.0A FAST RECOVERY RECTIFIER Mechanical Data  Case: DO-41  Case Material: Molded Plastic. UL Flammability Classification Rating 94V-0  Moisture Sensitivity: Level 1 per J-STD-020  Terminals: Finish - Bright Tin. Plated Leads Solderable per MIL- STD-202, Method 208  Polarity: Cathode Band  Mounting Position: Any  Marking: Type Number  0.35 grams (Approximate) DO-41 Plastic Dim Min Max A 25.40  B 4.06 5.21 C 0.71 0.864 D 2.00 2.72 All Dimensions in mm Ordering Information (Note 3) Notes: Device 1N4933-T 1N4934-T 1N4935-T 1N4936-T 1N4937-T Packaging DO-41 DO-41 DO-41 DO-41 DO-41 Shipping 5K/Tape & Reel, 13-inch 5K/Tape & Reel, 13-inch 5K/Tape & Reel, 13-inch 5K/Tape & Reel, 13-inch 5K/Tape & Reel, 13-inch 1. EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant. All applicable RoHS exemptions applied. 2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free. 3. For packaging details, go to our website at https://www.diodes.com/design/support/packaging/diodes-packaging/. Maximum Ratings and Electrical Characteristics (@TA = +25°C, unless otherwise specified.) Single phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. Characteristic Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage (Note 7) RMS Reverse Voltage Average Rectified Output Current (Note 4) @ TA = +75C Non-Repetitive Peak Forward Surge Current 8.3ms Single Half Sine-Wave Superimposed on Rated Load Symbol VRRM VRWM VR VR(RMS) IO IFSM 1N4933 50 35 1N4934 100 70 1N4935 200 140 1.0 30 1N4936 400 280 Forward Voltage Drop @ IF = 1.0A VFM 1.2 Peak Reverse Current @TA = +25C at Rated DC Blocking Voltage (Note 7) @ TA = +100C Reverse Recovery Time (Note 6) Typical Total Capacitance (Note 5) Typical Thermal Resistance Junction to Ambient Operating and Storage Temperature Range IRM tRR CT RJA TJ, TSTG 5.0 100 200 15 100 -65 to +150 Notes: 4. Leads maintained at ambient temperature at a distance of 9.5mm from the case. 5. Measured at 1.0MHz and applied reverse voltage of 4.0V DC. 6. Measured with IF = 0.5A, IR = 1A, Irr = 0.25A. 7. Short duration pulse test used to minimize self-heating effect. 1N4933 - 1N4937 Document number: DS26002 Rev. 8 - 3 1 of 3 www.diodes.com 1N4937 Unit 600 V 420 V A A V A ns pF °C/W C November 2018 © Diodes Incorporated I(AV), AVERAGE FORWARD RECTIFIED CURRENT (A) NOT RECOMMENDED FOR NEW DESIGN USE RS1A - RS1J Series 1N4933 - 1N4937 1.0 0.8 0.6 0.4 0.2 PC Board Mounted 9.5mm Lead Lengths .


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