SF21 THRU SF28 50V-600V 2.0A SUPER FAST RECTIFIERS Features ! Diffused Junction ! ! ! ! Low Forward Voltage Drop High Current Capability High Reliability High Surge Current Capability Mechanical Data ! ! ! ! ! ! Case: Molded Plastic Terminals: Plated Leads Solderable per MIL-STD-202, Method 208 Polarity: Cathode Band Weight: 0.40 grams (approx.) Mounting Position: Any Marking: Type Number MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating 25 C ambient temperature uniess otherwies specified. Single phase half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. TYPE NUMBER SF21 SF22 SF23 SF24 SF25 SF26 SF27 SF28 UNITS Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current .375"(9.5mm) Lead Length at Ta=55 C Peak Forward Surge Current, 8.3 ms single half sine-wave A 2.0 60 superimposed on rated load (JEDEC method) Maximum Instantaneous Forward Voltage at 2.0A Maximum DC Reverse Current Ta=25 C 5.0 A V mA 50 35 mA nS 60 +150 pF C 1.25 0.95 at Rated DC Blocking Voltage Ta=100 C Maximum Reverse Recovery Time (Note 1) Typical Junction Capacitance (Note 2) Operating and Storage Temperature Range TJ, TSTG -65 1.50 NOTES: 1. Reverse Recovery Time test condition: IF=0.5A, IR=1.0A, IRR=0.25A 2. Measured at 1MHz and applied reverse voltage of 4.0V D.C. E-mail: [email protected] 1 of 2 Web Site: www.taychipst.com SF21 THRU SF28 50V-600V 2.0A 2.5 IF, INSTANTANEOUS FORWARD CURRENT (A) I(AV), AVERAGE FWD RECTIFIED CURRENT (A) SUPER FAST RECTIFIERS 2.0 1.5 1.0 0.5 Single phase half-wave 60 Hz resistive or inductive load 0 25 50 75 100 125 150 175 10 SF21 - SF24 SF25 - SF26 2.0 SF27 1.0 Tj = 25°C Pulse width = 300µs 0.01 0.6 200 TA, AMBIENT TEMPERATURE (°C) Fig. 1 Forward Current Derating Curve 1.0 1.2 100 Tj = 25°C f = 1.0MHz Cj, CAPACITANCE (pF) SF21 - SF24 40 20 SF25 - SF27 10 1 0 1 10 1 100 10 FIG.6-TYPICAL FORWARD CURRENT DERATING CURVE FIG.5- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC trr 10W NONINDUCTIVE ( ) (+) D.U.T. PULSE GENERATOR (NOTE 2) ( ) 1W NONINDUCTIVE | | | | | | | | +0.5A 0 -0.25A (+) OSCILLISCOPE (NOTE 1) NOTES: 1. Rise Time= 7ns max., Input Impedance= 1 megohm.22pF. 2. Rise Time= 10ns max., Source Impedance= 50 ohms. -1.0A 1cm SET TIME BASE FOR 50 / 10ns / cm E-mail: [email protected] 2 of 2 AVERAGE FORWARD CURRENT,(A) 50W NONINDUCTIVE 100 VR, REVERSE VOLTAGE (V) Fig. 4 Typical Junction Capacitance NUMBER OF CYCLES AT 60Hz Fig. 3 Peak Forward Surge Current 25Vdc (approx.) 1.4 VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 2 Typical Forward Characteristics 60 IFSM, PEAK FORWARD SURGE CURRENT (A) 0.8 2.4 2.0 1.6 Single Phase 1.2 Half Wave 60Hz Resistive Or Inductive Load 0.8 0.375"(9.5mm) Lead Length 0.4 0 0 25 50 75 100 125 150 175 AMBIENT TEMPERATURE,( C) Web Site: www.taychipst.com