SF21

SF21 TSC | Alldatasheet

Document overview

• Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
• PDF pages: 2

Technical content

Features

/cuspopen Low forward voltage drop /cuspopen High current capab ility /cuspopen High reliability /cuspopen High surge current capab ility Mechanical Data /cuspopen Cases: Molded plastic /cuspopen Epoxy: UL 94V-O rate flame retardant /cuspopen Lead: Axial leads, solderable per MIL-STD-202, Method 208 guaranteed /cuspopen Polarity: Color band denotes cathode end /cuspopen High temperature soldering guaranteed: 2 6 0 oC/10 seconds/.375”,(9.5mm) lead lengths at 5 lbs., (2.3kg) tension /cuspopen Weight: 0.40 gram DO-15 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 SF SF SF SF SF SF SF SF Units Maximum Recurrent Peak Reverse Voltage VRRM 50 100 150 200 300 400 500 600 V Maximum RMS Voltage VRMS 35 70 105 140 210 280 350 420 V Maximum DC Blocking Voltage VDC 50 100 150 200 300 400 500 600 V Maximum Average Forward Rectified Current .375 (9.5mm) Lead Length @T A = 55 ℃ I(AV) 2.0 A Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method ) IFSM 50 A Maximum Instantaneous Forward Voltage @ 2.0A VF 0.95 1.3 1.7 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 35 nS Typical Junction Capacitance (Note 2) Cj 40 30 pF Typical Thermal Resistance (Note 3) RθJA 65 ℃/W Operating Temperature Range TJ -65 to +125 ℃ Storage Temperature Range TSTG -65 to +150 ℃ Notes: 1. Reverse Recovery Test Conditions: I F=0.5A, I R=1.0A, I RR=0.25A 2. Measured at 1 MHz and Applied Reverse Voltage of 4.0 V D.C. 3. Mount on Cu-Pad Size 10mm x 10mm on PCB.

• 229 - FIG.2- MAXIMUM AVERAGE FORWARD CURRENT DERATING FIG.1- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM AVERAGE FOR WARD CURRENT . (A) 25 50 75 100 125 150 175 0.5 1.0 1.5 2.0 2.5 3.0 AMBIENT TEMPERATURE. ( C) o 50/c87 NONINDUCTIVE /c49/c87 NON INDUCTIVE OSCILLOSCOPE (NOTE 1) PULSE GENERATOR (NOTE 2) DUT (+) 50Vdc (approx) (-) NOTES: 1. Rise Time=7ns max. Input Impedance= 1 megohm 22pf 2. Rise Time=10ns max. Sourse Impedance= 50 ohms (-) (+) 10/c87 NONINDUCTIVE -1.0A -0.25A +0.5A trr 1cm SET TIME BASE FOR 5/ 10ns/ cm Single Phase Half Wave 60Hz Resistive or Inductive Load 0.375" (9.5mm) Lead Length RATINGS AND CHARACTERISTIC CURVES (SF21 THRU SF28) FIG.5- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT PEAK FOR WARD SURGE CURRENT . (A) 1 2 5 10 20 100 50 NUMBER OF CYCLES AT 60Hz 8.3ms Single Half Sine Wave JEDEC Method FIG.3- TYPICAL REVERSE CHARACTERISTICS 20 40 60 80 100 120 0.1 100 1000 10000 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%) Tj=100 C0 Tj=25 C0 FIG.4- TYPICAL FORWARD CHARACTERISTICS FIG.6- TYPICAL JUNCTION CAPACITANCE JUNCTION CAP ACITANCE.(pF) 0.1 0.5 1 5 2 10 20 50 100 200 500 1000 100 125 150 REVERSE VOLTAGE. (V) Tj=25 C0 SF21~SF24 SF25~SF28 INSTANTANEOUS FOR WARD CURRENT . (A) 0.01 0.1 100 FORWARD VOLTAGE. (V) Tj=25 C Pulse Width=300 s 1% Duty Cycle o SF21~SF24SF25~SF26 SF27~SF28 INSTANTANEOUS REVERSE CURRENT .( A ) 1400