LESHAN RADIO COMPANY, LTD. SF31 thru SF36 1.FEATURES Super Fast Plastic Rectifiers * Plastic package has Underwriters Laboratory Reverse Voltage 50 to 400V Forward Current 3.0A Flammability Classification 94V-0 * High temperature metallurgically bonded construction * Diffused junction * Capable of meeting environmental standards of MIL-S-19500 * For use in high frequency rectifier circuits * Fast switching for high efficiency * High temperature soldering guaranteed: 260°C/10 seconds * 0.375" (9.5mm) lead length, 5 lbs. (2.3kg) tension 2.Mechanical Data Case: JEDEC DO-201AD, molded plastic Terminals: Plated axial leads, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end We declare that the material of product Mounting Position: Any compliance with RoHS requirements. Weight: 0.038 oz., 1.03 g Handling precautin:None 3.Electrical Characteristic Maximum Ratings & Thermal Characteristics Ratings Parameter Symbol symbol at 25°C ambient temperature unless otherwise specified. SF31 SF32 SF33 SF34 SF35 SF36 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 0.375" (9.5mm) lead length at TA = 55°C IF(AV) 3.0 A Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) IFSM 150 A Typical thermal resistance (Note 2) RθJA 20 °C/W Maximum DC blocking voltage temperature TA 150 °C Operating junction temperature range TJ –50 to +150 °C TSTG –50 to +150 °C Storage temperature range Electrical Characteristics Ratings at 25°C ambient temperature unless otherwise specified. Parameter Symbol Maximum instantaneous forward voltage at 3.0A Maximum DC reverse current TA = 25°C at rated DC blocking voltage TA = 100°C Typical reverse recovery time (Note 1) Typical junction capacitance at 4.0V, 1MHz symbol VF IR trr CJ SF31 SF32 SF33 SF34 SF35 SF36 1.25 0.95 10 200 35 190 Unit V µA ns PF 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 1/3 LESHAN RADIO COMPANY, LTD. 4.Ratings and Characteristic Curves ( TA = 25°C unless otherwise noted ) Fig. 2 – Maximum Non-repetitive Peak Forward Surge Current 3.0 1.5 60 Hz Resistive or Inductive load TL=Lead Temperature with both leads heat sink mounted with length(L) as shown 0 100 25 50 75 100 125 150 175 Ambient Temperature, °C Fig 3. – Typical Instantaneous Forward Characteristics 10 1.0 TJ = 25°C Pulse width = 300µs 1% Duty Cycle 0.1 0.01 0.6 100 Fig 5. –typical transient thermal impedance 100 0 1 10 Number of Cycles at 60Hz 100 100 Tj=125℃ 10 1.0 Tj=25℃ 0.1 0 20 40 60 80 100 Percent of Rated Peak Reverse Voltage (%) Fig 6. – Typical Junction Capacitance 10 1.0 0.1 0.1 1.0 10 t,Pulse duration,sec 200 0.01 0.8 1.0 1.2 1.4 1.6 Instantaneous Forward Voltage (V) 0.01 TJ = 75°C 8.3ms Single Half Sine-wave (JEDEC Method) Fig 4. – Typical Reverse Characteristics Instantaneous Reverse Current (µA) Instantaneous Forward Current (A) 0 Transient thermal impedance(°C/W) Average Forward Rectified Current (A) TA=Ambient Temperature 0.375"(9.5mm)Lead Lengh Junction Capacitance (pF) Average Forward Rectified Current (A) Fig. 1 – Forward Current Derating Curve 100 100 10 1.0 0.1 TJ = 25°C f = 1.0 MHz Vsig = 50mVp-p 1 10 Reverse Voltage (V) 100 2/3 LESHAN RADIO COMPANY, LTD. 5.Package Dimensions in inches and (millmeters) Package outline L Φd ΦD Dimensions L L1 ΦD Φd inches Min. Max. 0.335 0.375 1.0 0.197 0.220 0.048 0.052 mm Min. 8.5 25.4 5.0 1.2 Max. 9.5 5.6 1.3 Note: DO-201AD molded plastic case The marking band indicates the cathode 3/3