SF21 thru SF26 Glass Passivated Junction Super Fast Rectifiers FEATURES * Plastic package has Underwriters Laboratory Flammability Classification 94V-0 * Ideally suited for use in very high frequency switching power supplies,inverters and as free wheeling diodes * Cavity-free glass passivated junction * Ultrafast recovery time for high efficiency * Soft recovery characteristics * Excellent high temperature switching * High temperature soldering guaranteed: 260°C/10 seconds Reverse Voltage 50 to 400V Forward Current 2.0A Mechanical Data Case: JEDEC DO-15, molded plastic over glass die Terminals: Plated axial leads, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end Mounting Position: Any Weight: 0.015 oz., 0.40 g Handling precautin:None Demensions in inches and (milimeters) Maximum Ratings & Thermal Characteristics Ratings at 25°C ambient temperature unless otherwise specified. Parameter Symbol symbol SF 21 SF 22 SF 23 SF 24 SF 25 SF 26 Unit Maximum repetitive peak reverse voltage VRRM 50 100 150 200 300 400 V Maximum RMS voltage VRMS 35 70 105 140 210 280 V Maximum DC blocking voltage VDC 50 100 150 200 300 400 V Maximum average forward rectified current IF(AV) 0.375" (9.5mm) lead length at TA = 75°C Peak forward surge current 8.3ms single half IFSM sine-wave superimposed on rated load (JEDEC Method) Typical thermal resistance (Note 2) RθJA Operating junction and storage temperature range TJ, TSTG 2.0 A 75 A 45 –50 to +150 °C/W °C Electrical Characteristics Ratings at 25°C ambient temperature unless otherwise specified. Parameter Symbol symbol SF 21 SF 22 SF 23 SF 24 VF 0.95 Maximum instantaneous forward voltage at 2.0A 5.0 Maximum DC reverse current TA = 25°C IR 200 at rated DC blocking voltage TA = 125°C 35 Typical reverse recovery time (Note 1) trr 25.0 Typical junction capacitance at 4.0V, 1MHz CJ NOTES: 1. IF = 0.5A, IR = 1.0A, IRR = 0.25A 2. Thermal resistance from junction to ambient at 0.375” (9.5mm) lead length, P.C.B. mounted SF 25 SF 26 1.25 Unit V µA ns PF SF21 thru SF26 2.0 1.0 0.375" (9.5mm) Lead Length 0 0 Instantaneous Forward Current (A) 100 25 50 75 100 125 Ambient Temperature, °C 1.0 0.1 80 60 40 20 0 0.1 0.01 0.1 1.0 10 t,Pulse duration,sec 100 Tj=100℃ 10 1.0 Tj=25℃ 0.1 Fig 5. –typical transient thermal impedance 1.0 10 Number of Cycles at 60Hz 100 0.01 0.8 1.0 1.2 1.4 Instantaneous Forward Voltage (V) 10 TJ = TJ max 8.3ms Single Half Sine-wave (JEDEC Method) Fig 4. – Typical Reverse Characteristics 0 20 40 60 80 100 Percent of Rated Peak Reverse Voltage (%) Fig 6. – Typical Junction Capacitance Junction Capacitance (pF) Transient thermal impedance(°C/W) 100 Fig. 2 – Maximum Non-repetitive Peak Forward Surge Current 1 Fig 3. – Typical Instantaneous Forward Characteristics 0.01 0.6 100 150 175 TJ = 25°C Pulse width = 300µs 1% Duty Cycle 10 Average Forward Rectified Current (A) 60 Hz Resistive or Inductive Load Instantaneous Reverse Current (µA) Average Forward Rectified Current (A) Ratings and Characteristic Curves ( TA = 25°C unless otherwise noted ) 20 10 1.0 0.1 TJ = 25°C f = 1.0 MHz Vsig = 50mVp-p 1 10 Reverse Voltage (V)