SF21 THRU SF28 SUPER FAST RECTIFIERS Reverse Voltage – 50 to 600 Volts Forward Current – 2.0 Amperes Features • Super fast switching for high efficiency • Low reverse leakage • High forward surge current capability • High temperature soldering guaranteed: 250℃/10 seconds, 0.375” (9.5mm) lead length, 5 ibs, (2.3kg) tension Mechanical Data • Case: JEDEC DO-15 molded plastic body • Terminals: Plated axial leads, solderable per MIL-STD-750, Method 2026 • Polarity: Color band denotes cathode end • Mounting Position: Any Absolute Maximum Ratings and Characteristics Rating at 25oC ambient temperature unless otherwise specified. Single-phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. Symbols SF21 SF22 SF23 SF24 SF25 SF26 SF28 Units Repetitive Peak Reverse Voltage VRRM 50 100 150 200 300 400 600 V RMS Voltage VRMS 35 70 105 140 210 280 420 V DC Blocking Voltage VDC 50 100 150 200 300 400 600 V Average Forward Rectified Current 0.375”(9.5mm) O Lead Length at TA = 55 C I(AV) 2.0 A Peak Forward Surge Current , 8.3mS Single Half Sine-Wave Superimposed on Rated Load (JEDEC Method) IFSM 50 A Instantaneous Forward Voltage @ 2.0A VF O 0.95 1.25 V IR IR 5 50 uA Reverse Recovery Time (Note 1) Trr 35 nS Typical Junction Capacitance (Note 2) CJ Typical Thermal Resistance (Note 3) RJA 50 ℃/W Operating Junction Temperature Range TJ -65 to +150 ℃ Storage Temperature Range TS -65 to +150 ℃ DC Reverse Current at Rated DC Blocking Voltage @ TA = 25 C O @ TA = 100 C 60 30 pF Note: (1) Reverse recovery test conditions: IF = 0.5A, IR = 1A, IRR = 0.25A. (2) Measured at 1 MHz and applied reverse voltage of 4 Volts D.C (3) Thermal resistance from junction to ambient at 0.375” (9.5mm) lead length, P. C. B. mounted SEMTECH ELECTRONICS LTD. ® (Subsidiary of Semtech International Holdings Limited, acompany listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 21/04/2004