SF51 SECOS | Alldatasheet
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Technical content
SF51 ~ SF55 VOLTAGE 50 ~ 600 V
5 A, Super Fast Rectifiers
01-June-2008 Rev. B Page 1 of 2 RoHS Compliant Product A suffix of “-C” specifies halogen & lead-free
FEATURES
z Low forward voltage drop z High current capability z High reliability z High surge current capability z High speed switching MECHANICAL DATA z Case: Molded plastic z Epoxy: UL 94V-0 rate flame retardant z Lead: Axial leads, solderable per MIL-STD-202, method 208 guaranteed z Polarity: Color band denotes cathode end z Mounting position: Any z Weight: 1.1050 grams (approximately) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating 25°C ambient temperature unless otherwise specified. Single phase half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. TYPE NUMBER SF51 SF52 SF53 SF54 SF55 UNITS Max. Repetitive Peak Reverse Voltage 50 100 200 400 600 V Max. RMS Voltage 35 70 140 280 420 V Max. DC Blocking Voltage 50 100 200 400 600 V Max. Average Forward Rectified Current 0.375” (9.5 mm) Lead Length at TA = 55°C 5.0 A Peak Forward Surge Current 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) 100 A Max. DC Reverse Current at Rated DC Blocking Voltage TA = 25°C TA = 100°C 5.0 50 μA Maximum Reverse Recovery Time (Note 1) 35 50 nS Typical Junction Capacitance (Note 2) 50 pF Storage temperature -65 ~ +150 °C Notes: 1. Reverse Recovery Time test conditions: I F = 0.5 A, IR = 1.0 A, IRR = 0.25 A 2. Measured at 1 MHz and applied reverse voltage of 4.0 V D.C. AC B AD MillimeterREF. Min. Max. A 25.4 (TYP) B 7.20 9.53 C 5.00 5.60 D 1.20 1.32 DO-27
SF51 ~ SF55 VOLTAGE 50 ~ 600 V 01-June-2008 Rev. B Page 2 of 2 RATINGS AND CHARACTERISTIC CURVES (SF51 THRU SF55) 0.1 1.0 FIG.4-TYPICAL REVERSE FIG.1- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC CHARACTERISTICS FIG.2-TYPICAL FORWARD CURRENT AVERAGE FORWARD CURRENT,(A) FIG.6-TYPICAL JUNCTION CAPACIT ANCE REVERSE VOLTAGE,(V) JUNCTION CAPACITANCE,(pF) REVERSE LEAKAGE CURRENT, (mA) 175 150 125 100 (+) (+) 25Vdc (approx.) ( ) ( ) NONINDUCTIVE NONINDUCTIVE W W PULSE GENERATOR (NOTE 2) OSCILLISCOPE (NOTE 1) NON- INDUCTIVE W NOTES: 1. Rise Time= 7ns max., Input Impedance= 1 megohm.22pF. 2. Rise Time= 10ns max., Source Impedance= 50 ohms. +0.5A -0.25A -1.0A 1cm SET TIME BASE FOR 50 / 10ns / cm trr .01 .05 .1 .5 1 5 10 50 100 D.U.T. 3.0 Single Phase Half Wave 60Hz Resistive Or Inductive Load 0.375"(9.5mm) Lead Length DERATING CURVE Tj=100 C Tj=25 C 120 150 NUMBER OF CYCLES AT 60Hz 1 10 5 50 100 Tj=25 C 8.3ms Single Half Sine Wave JEDEC method 0 25 50 75 100 125 150 175 AMBIENT TEMPERATURE,( C) PERCENT OF RATED PEAK REVERSE VOLT AGE,(%) 20 40 60 80 100 120 140 PEAK FORWARD SURGE CURRENT,(A) FIG.5-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 0.1 1.0 .01 FIG.3-TYPICAL FORWARD CHARACTERISTICS INSTANTANEOUS FORWARD CURRENT,(A) FORWARD VOLT AGE,(V) Pulse Width 300us 1% Duty Cycle 3.0 SF54 SF55 SF51~SF53 Tj=25 C