SF31 THRU SF37 GLASS PASSIVATED SUPER FAST RECTIFIER VOLTAGE RANGE 50 to 600 Volts CURRENT 3.0 Ampere FEATURES * * * * * * * High reliability Low leakage Low forward voltage High current capability Super fast switching speed High surge capability Good for switching mode circuit DO-201AD MECHANICAL DATA * * * * * Case: Molded plastic Epoxy: Device has UL flammability classification 94V-O Lead: MIL-STD-202E method 208C guaranteed Mounting position: Any Weight: 1.18 grams .052 (1.3) 1.0 (25.4) .048 (1.2) DIA. MIN. .375 (9.5) .335 (8.5) .220 (5.6) .197 (5.0) DIA. 1.0 (25.4) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS MIN. Ratings at 25 o C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%. Dimensions in inches and (millimeters) MAXIMUM RATINGS (@ TA=25 OC unless otherwise noted) SF32 SF33 SF34 SF35 SF36 SF37 UNITS Maximum Recurrent Peak Reverse Voltage RATINGS SYMBOL VRRM 50 100 150 200 300 400 600 Volts Maximum RMS Voltage VRMS 35 70 105 140 210 280 420 Volts VDC 50 100 150 200 300 400 600 Volts Maximum DC Blocking Voltage Maximum Average Forward Rectified Current at T A = 55 o C Peak Forward Surge Current 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) Typical Thermal Resistance (Note 3) SF31 IO 3.0 Amps I FSM 125 Amps R q JA 20 R q JL 8.0 CJ Typical Junction Capacitance (Note 2) Operating and Storage Temperature Range 0 50 pF 30 T J, T STG C/ W 0 -55 to + 150 C ELECTRICAL CHARACTERISTICS (@TA=25 C unless otherwise noted) O CHARACTERISTICS Maximum Instantaneous Forward Voltage at 3.0A DC Maximum DC Reverse Current at Rated DC Blocking Voltage @T A = 25 o C @T A = 100 o C Maximum Reverse Recovery Time (Note 1) SYMBOL VF SF31 SF32 SF33 SF34 0.95 trr SF36 1.25 SF37 1.50 5.0 IR NOTES : 1. Test Conditions: IF = 0.5A, IR = -1.0A, IRR = -0.25A 2. Measured at 1 MHz and applied reverse voltage of 4.0 volts. 3. Typical Thermal Resistance : At 9.5mm lead lengths,PCB mounted. 4. "Fully ROHS complaint", "100% Sn plating (Pb-free)" SF35 Volts mAmps 100 35 UNITS 50 nSec 2006-11 REV:B RATING AND CHARACTERISTICS CURVES ( SF31 THRU SF37 ) 50 W NONINDUCTIVE (+) 25 Vdc (approx) (-) (-) D.U.T PULSE GENERATOR (NOTE 2) 1 NONINDUCTIVE trr +0.5A 10 W NONINDUCTIVE OSCILLOSCOPE (NOTE 1) 0 -0.25A (+) NOTES: 1 Rise Time = 7ns max. Input Impedance = 1 megohm. 22pF. -1.0A 2. Rise Time = 10ns max. Source Impedance = 50 ohms. 1cm SET TIME BASE FOR 50/100 ns/cm AVERAGE FORWARD CURRENT, (A) 5 4 3 2 Single Phase Half Wave 60Hz Resistive or Inductive Load 1 0 0 25 50 75 100 125 150 AMBIENT TEMPERATURE, (OC) FIG.2 TYPICAL FORWARD CURRENT DERATING CURVE 175 INSTANTANEOUS REVERSE CURRENT, (mA) FIG.1 TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC 100 TA = 100 OC 10 TA = 75 OC 1.0 TA = 25 OC 0.1 0.01 0 20 40 60 80 100 120 PERCENT OF RATED PEAK REVERSE VOLTAGE, (%) FIG.3 TYPICAL REVERSE CHARACTERISTICS 140 PEAK FORWARD SURGE CURRENT, (A) 20 10 TJ = 25 OC 3.0 SF37 1.0 SF35~SF36 0.3 0.1 SF31~SF34 0.03 0.01 Pulse Width=300uS 1% Duty Cycle 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 200 8.3ms Single Half Sine-Wave (JEDED Method) 100 50 30 20 10 1 5 INSTANTANEOUS FORWARD VOLTAGE, (V) 10 100 SF31~SF34 TJ = 25 OC 60 40 20 SF35~SF37 10 6 4 2 0.1 0.2 100 FIG.5 MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 200 1 50 NUMBER OF CYCLES AT 60Hz FIG.4 TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS JUNCTION CAPACITANCE, (pF) INSTANTANEOUS FORWARD CURRENT, (A) RATING AND CHARACTERISTICS CURVES ( SF31 THRU SF37 ) 0.4 1.0 2 4 10 20 40 REVERSE VOLTAGE, (V) FIG.6 TYPICAL JUNCTION CAPACITANCE 100 DISCLAIMER NOTICE Rectron Inc reserves the right to make changes without notice to any product specification herein, to make corrections, modifications, enhancements or other changes. Rectron Inc or anyone on its behalf assumes no responsibility or liability for any errors or inaccuracies. Data sheet specifications and its information contained are intended to provide a product description only. "Typical" parameters which may be included on RECTRON data sheets and/ or specifications can and do vary in different applications and actual performance may vary over time. Rectron Inc does not assume any liability arising out of the application or use of any product or circuit. Rectron products are not designed, intended or authorized for use in medical, life-saving implant or other applications intended for life-sustaining or other related applications where a failure or malfunction of component or circuitry may directly or indirectly cause injury or threaten a life without expressed written approval of Rectron Inc. Customers using or selling Rectron components for use in such applications do so at their own risk and shall agree to fully indemnify Rectron Inc and its subsidiaries harmless against all claims, damages and expenditures.