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SF22 Dataheets PDF



Part Number SF22
Manufacturers WEITRON
Logo WEITRON
Description Axial Lead Super Fast Rectifiers
Datasheet SF22 DatasheetSF22 Datasheet (PDF)

Axial Lead Super Fast Rectifiers P b Lead(Pb)-Free Features: * Low forward voltage drop. * High current capability. * High reliability. * High surge current capability. SF21 thru SF28 REVERSE VOLTAGE 50 TO 600 VOLTS CURRENT 2.0 AMPERE Mechanical Data: * Case: Molded plastic. * Epoxy: UL 94V-0 rate ame retardant. * Lead: Axial leads, solderable per MIL-STD-202, method 208 guranteed. * Polarity: Color band denotes cathode end. * Mounting position: Any. * Weight: 0.40 grams. DO-15 Outline Dimensi.

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Axial Lead Super Fast Rectifiers P b Lead(Pb)-Free Features: * Low forward voltage drop. * High current capability. * High reliability. * High surge current capability. SF21 thru SF28 REVERSE VOLTAGE 50 TO 600 VOLTS CURRENT 2.0 AMPERE Mechanical Data: * Case: Molded plastic. * Epoxy: UL 94V-0 rate ame retardant. * Lead: Axial leads, solderable per MIL-STD-202, method 208 guranteed. * Polarity: Color band denotes cathode end. * Mounting position: Any. * Weight: 0.40 grams. DO-15 Outline Dimensions Axial Device (Through-Hole) AB C DO-15 Unit:mm D E Dim DO-15 A Min Max 25.4 - B Min Max 5.8 7.6 C Min Max 25.4 - D Min Max 0.7 0.9 E Min Max 2.6 3.6 WEITRON http://www.weitron.com.tw 1/3 Rev.A 04-Aug-09 SF21 thru SF28 Maximum Ratings and Electrical Characteristics Rating 25°C Ambient Temperature Unless Otherwise Speci ed. Single Phase Half Wave, 60Hz, Recti ed or Inductive Load. For Capacitive Load, Derate Current By 20%. Characteristics Symbol SF21 SF22 SF23 SF24 SF25 SF26 SF27 SF28 Unit Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage VRRM 50 100 150 200 300 400 500 600 VRMS 35 70 105 140 210 280 350 420 VDC 50 100 150 200 300 400 500 600 V V V Maximum Average Forward Rectified Current .375”(9.5mm) Lead Length @TA = 55°C IF(AV) 2.0 A Peak Forward Surge Current, 8.3 ms Single Half Sine-Wave Superimposed on Rated Load (JEDEC) IFSM 50 A Maximum Instantaneous Forward Voltage At 2.0A VF 0.97 1.25 1.50 V Maximum DC Reverse Current @TA = 25°C At Rated DC BlockingVoltage @TA= 100°C Typical Junction Capacitance (Note 1) IR CJ 5.0 50 60 Maximum Reverse Recovery Time (Note 2) Trr 35 Operating Temperature Range TJ +150 Storage Temperature Range TSTG -65 to +150 NOTES: 1. Measured At 1MHz and Applied Reverse Voltage of 4.0 V.D.C 2. Reverse Recovery Time Test Condition: IF=0.5A, IR= 1.0A, IRR= 0.25A μA pF nS °C °C WEITRON http://www.weitron.com.tw 2/3 Rev.A 04-Aug-09 SF21 thru SF28 RATINGAND CHARACTERISTIC CURVES 50 NONINDUCTIVE 10 NONINDUCTIVE +0.5A (+) 25Vdc (approx.) () D.U.T. 1 NONINDUCTIVE OSCILLISCOPE (NOTE 1) () PULSE GENERATOR (NOTE 2) (+) 0 -0.25A trr | | | | | | | | NOTES: 1. Rise Time= 7ns max., Input Impedance= 1 megohm.22pF. 2. Rise Time= 10ns max., Source Impedance= 50 ohms. FIG.1 TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY -1.0A 1cm SET TIME BASE FOR 50 / 10ns / cm TIME CHARACTERISTIC AVERAGE FORWARD CURRENT (A) 2.4 2.0 1.6 1.2 Single Phase Half Wave 60Hz 0.8 Resistive Or Inductive Load 0.375"(9.5mm) Lead Length 0.4 0 0 25 50 75 100 125 150 175 AMBIENT TEMPERATURE,( C) FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE 50 50 10 10 3.0 3.0 1.0 1.0 Tj=100°C Tj=25 C Tj=25°C 0.1 Pulse Width 300us 1% Duty Cycle 0.1 REVERSE LEAKAGE CURRENT (A) INSTANTANEOUS FORWARD CURRENT (A) SF21~SF24 SF25~SF26 SF27~SF28 PEAK FORWARD SURGECURRENT (A) 0.01 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 FORWARD VOLTAGE,(V) FIG.3 TYPICAL FORWARD CHARACTERISTICS 100 80 60 Tj=25°C 8.3ms Single Half 40 Sine Wave JEDEC method 20 0 1 5 10 50 100 NUMBER OF CYCLES AT 60Hz FIG.5 MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT JUNCTION CAPACITANCE (pF) 0.01 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE (%) FIG.4 TYPICAL REVERSE CHARACTERISTICS 175 150 125 100 75 50 25 0 0.01 0.05 0.1 0.5 1 5 10 50 100 REVERSE VOLTAGE,(V) FIG.6 TYPICAL JUNCTION CAPACITANCE WEITRON 3/3 Rev.A 04-Aug-09 http://www.weitron.com.tw .


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