HIGH EFFICIENCY GLASS PASSIVATED RECTIFIER SFF81 THRU SFF86 VOLTAGE RANGE 50 to 400 Volts CURRENT 8.0 Ampere FEATURES • • • • • • • • • Glass passivated chip junction Low power loss, high efficiency Low leakage Super fast switching speed High current capacity, high surge capacity High temperature soldering guaranteed 200℃/10 second, 0.16″(4.06mm) lead length from case Also available in reverse polarity, add the “R” Suffix, i.e. SFF81R Also available in the single chip version, SF81 ITO-220AC MECHANICAL DATA • • • • • • Case: Transfer molded plastic Epoxy: UL94V-0 rate flame retardant Polarity: Color Band denotes cathode end Lead: Plated axial lead, solderable per MIL-STD-202E method 208C Mounting position: Any Weight: 0.08ounce, 2.24 gram Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS • • • Ratings at 25℃ ambient temperature unless otherwise specified Single Phase, half wave, 60Hz, resistive or inductive load For capacitive load derate current by 20% SYMBOLS SF81 SF82 Maximum Repetitive Peak Reverse Voltage VRRM 50 100 Maximum RMS Voltage VRMS 35 70 Maximum DC Blocking Voltage VDC 50 100 Maximum Average Forward Rectified Current At Tc=100℃ Peak Forward Surge Current 8.3ms single half sine wave superimposed on rated load (JEDEC method) Maximum Instantaneous Forward Voltage at 8.0A UNIT Volts Volts Volts IFSM 125 Amps VF trr Storage Temperature Range SF86 400 280 400 Amps Maximum Reverse Recovery Time Test conditions IF =0.5A, IR =1.0A, IRR =0.25A Operating Junction Temperature Range SF85 300 210 300 8.0 IR Typical Thermal Resistance (Note 1) SF84 200 140 200 I(AV) Maximum DC Reverse Current at rated TA = 25℃ DC Blocking Voltage TA = 125℃ Typical Junction Capacitance (Note 2) SF83 150 105 150 0.975 1.4 10 500 35 CJ RθJC TJ TSTG Notes: 1. Unit mounted on heatsink 2. measured at 1.0MHz and applied reverse voltage of 4.0V E-mail: [email protected] µA 50 40 3.0 (-55 to +150) (-55 to +150) Web Site: www.cnmic.com Volts nS pF ℃/W ℃ ℃ HIGH EFFICIENCY GLASS PASSIVATED RECTIFIER SFF81 THRU SFF86 VOLTAGE RANGE 50 to 400 Volts CURRENT 8.0 Ampere RATING AND CHRACTERISTIC CURVES SFF81 THRU SFF86 FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE FIG.2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT (A) 8.0 Single Phase Half Wave 60Hz Resistive or Inductive Load 0.375″(9.5mm) Lead Length 4.0 150 CURRENT, (A) PEAK FORWARD SURGE AVERAGE FORWARD CURRENT, 12 8.3ms Single Half Sine-Wave (JEDEC Method) T= T jmax 100 50 1 Cycle 0 0 25 100 75 50 125 175 150 0 2 1 AMBIENT TEMPERATURE, (° C) 4 6 8 10 40 20 60 100 NUMBER OF CYCLES AT 60 Hz FIG.4-TYPICAL REVERSE CHARACTERISTICS PER LEG FIG.3-TYPICAL INSTANTANEOUS 100 FORWARD CHARACTERISTICS INSTANTANEOUS REVERSE CURRENT, (μA) TJ =125° C 0V 30 0/ 40 0V 0/ 1 50 / 20 10 50 /10 (A) INSTANTANEOUS FORWARD CURRENT, 100 1.0 TJ =25° C Pulse Width=300us 1% Duty Cycle 0.1 0.4 0.8 1.2 10 1.0 TJ=25° C 0.1 1.6 INSTANTANEOUS FORWARD VOLTAGE,(V) 0.01 0 20 40 60 100 80 120 140 PERCENT OF RATED PEAK FIG.5-TYPICAL JUNCTION CAPACITANCE REVERSE VOLTAGE,(%) JUNCTION CAPACITANCE,(pF) 100 F1G.6-TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC Trr 50Ω 10Ω NONINDUCTIVE NONINDUCTIVE +0.5A (-) 10 (+) 25 Vdc (approx.) (-) TJ =25° C f=1MHz Vsig=50mVp-p 1.0 1Ω NON INDUCTIVE PULSE GENERATIOR (NOTE 2) 0 -0.25A (+) OSCILLOSCOPE (NOTE 1) -1.0A 1cm 1 0.1 D.U.T. 10 100 REVERSE VOLTAGE,(V) E-mail: [email protected] NOTES : 1.Rise Time=7ns mas. Input Impedance= 1 magohm. 22pF 2.Rise time=10ns max. Source Impedance= 50 ohms Web Site: www.cnmic.com SET TIME BASE FOR 50/100ns/cm