SF31G LRC | Alldatasheet
Document overview
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Technical content
1.FEATURES * Plastic package has Underwriters Laboratory Flammability Classification 94V-0 * High temperature metallurgically bonded construction * Glass passivated chip * 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 Mounting Position: Any Weight: 0.038 oz., 1.03 g Handling precautin:None 3.Electrical Characteristic Maximum Ratings & Thermal Characteristics Ratings at 25°C ambient temperature unless otherwise specified. Parameter Symbol symbol SF31 G SF32 G SF33 G SF34 G SF35 G SF36 G SF38 G Unit Maximum repetitive peak reverse voltage VRRM 50100150 200 300 400600V Maximum RMS voltage VRMS 3570105140210280420 V Maximum DC blocking voltage VDC 50100150200300400600 V Maximum average forward rectified current 0.375" (9.5mm) lead length at TA = 55°C IF(AV) A Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) IFSM A Maximum DC blocking voltage temperature TA °C Typical thermal resistance (Note 2) RθJA °C/W Operating junction temperature range TJ °C Storage temperature range TSTG °C Electrical Characteristics Ratings at 25°C ambient temperature unless otherwise specified. Parameter Symbol symbol SF31 G SF32 G SF33 G SF34 G SF35 G SF36 G SF38 G Unit Maximum instantaneous forward voltage at 3.0A VF 1.7 V Maximum DC reverse current TA = 25°C at rated DC blocking voltage TA = 125°C IR µA Typical reverse recovery time (Note 1) trrns Typical junction capacitance at 4.0V, 1MHz CJPF NOTES: 1. IF = 0.5A, IR = 1.0A, IRR = 0.25A 200 0.95 SF31G thru SF36G 1.25 3.0 150 150 –50 to +150 –50 to +150 Glass Passivated Junction Super Fast Plastic Rectifiers Reverse Voltage 50 to 600V Forward Current 3.0A
4.Ratings and Characteristic Curves ( TA = 25°C unless otherwise noted ) SF31G thru SF38G Fig. 1 – Forward Current Derating Curve Fig. 2 – Maximum Non-repetitive Peak Forward Surge Current Fig 4. – Typical Reverse CharacteristicsFig 3. – Typical Instantaneous Forward Characteristics Fig 5. –typical transient thermal impedance Fig 6. – Typical Junction Capacitance Average Forward Rectified Current (A)Instantaneous Forward Current (A) Instantaneous Reverse Current (µA)Junction Capacitance (pF) 0 25 50 75 100 125 150 175 1 10 100 100 1.0 0.1 0.01 1.0 0.1 0.01 100 3.0 1.5 200 100 TJ = 75°C 8.3ms Single Half Sine-wave (JEDEC Method) TJ = 25°C Pulse width = 300µs 1% Duty Cycle Ambient Temperature, °C Number of Cycles at 60Hz Instantaneous Forward Voltage (V)Percent of Rated Peak Reverse Voltage (%) Reverse Voltage (V) Tj=125℃ Tj=25℃ Transient thermal impedance(°C/W) 1.0 0.1 100 0.01 0.1 1.0 10 100 t,Pulse duration,sec TA=Ambient Temperature 0.375"(9.5mm)Lead Lengh
60 Hz Resistive or Inductive load
TL=Lead Temperature with both leads heat sink mounted with length(L) as shown Peak forward surge current (A) SF34G~SF34G ---SF35G~SF38G