SRA7 EIC | Alldatasheet
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PRV : 400 - 1000 Volts Io : 1.0 Ampere FEATURES : * High current capability * High surge current capability * High reliability * Low reverse current * Low forward voltage drop * Fast switching for high efficiency MECHANICAL DATA : * Case : SMA Molded plastic * Epoxy : UL94V-O rate flame retardant * Lead : Lead Formed for Surface Mount * Polarity : Color band denotes cathode end * Mounting position : Any * Weight : 0.067 gram MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating at 25 °C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%. SYMBOL SRA7 SRA8 SRA9 UNIT Maximum Recurrent Peak Reverse Voltage VRRM 400 600 1000 V Maximum RMS Voltage VRMS 280 420 700 V Maximum DC Blocking Voltage VDC 400 600 1000 V Maximum Average Forward Current Ta = 45 °C IF(AV) 1.0 A Maximum Peak Forward Surge Current, 8.3ms Single half sine wave Superimposed on rated load (JEDEC Method) Maximum Peak Forward Voltage at IF = 1.0 A VF 1.3 V Maximum DC Reverse Current Ta = 25 °C IR 5.0 µA at Rated DC Blocking Voltage Ta = 100 °C IR(H) 100 µA Maximum Reverse Recovery Time (Note 1) Trr 150 250 ns Typical Junction Capacitance (Note 2) CJ 20 pf Junction Temperature Range TJ - 65 to + 150 °C Storage Temperature Range TSTG - 65 to + 150 °C Notes : ( 1 ) Reverse Recovery Test Conditions : IF = 0.5 A, IR = 1.0 A, Irr = 0.25 A. ( 2 ) Measured at 1.0 MHz and applied reverse voltage of 4.0 VDC Page 1 of 2 Rev. 01 : April 2, 2002 RATING IFSM 35 A 2.0 ± 0.2 2.1 ± 0.2 SMA (DO-214AC) 4.5 ± 0.15 2.6 ± 0.15 Dimensions in millimeter 1.1 ± 0.3 0.2 ± 0.07
RATING AND CHARACTERISTIC CURVES ( SRA7 - SRA9 ) FIG.1 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM NOTES : 1. Rise Time = 7 ns max., Input Impedance = 1 megaohm, 22 pF. 2. Rise time = 10 ns max., Source Impedance = 50 ohms. 3. All Resistors = Non-inductive Types. FIG.2 - DERATING CURVE FOR OUTPUT FIG.3 - MAXIMUM NON-REPETITIVE PEAK RECTIFIED CURRENT FORWARD SURGE CURRENT 0 25 50 75 100 125 150 175 1 2 4 6 10 20 40 60 100 AMBIENT TEMPERATURE, ( °C) NUMBER OF CYCLES AT 60Hz FIG.4 - TYPICAL FORWARD CHARACTERISTICS FIG.5 - TYPICAL REVERSE CHARACTERISTICS Page 2 of 2 Rev. 01 : April 2, 2002 RESISTIVE OR INDUCTIVE LOAD 0.8 0.6 0.4 0.2 1.0 1.0 0.1 0.01 0.01 1.0 0.1 100 1400 20 40 60 120 PERCENT OF RATED REVERSE VOLTAGE, (%) PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD OUTPUT CURRENT, AMPERES FORWARD CURRENT, AMPERES REVERSE CURRENT, MICROAMPERES TJ = 25 °C TJ = 100 °C TJ = 25 °C Pulse Width = 300 µs 2% Duty Cycle 8.3 ms SINGLE HALF SINE WAVE Ta = 50 °C SET TIME BASE FOR 50-100 ns/cm Trr + 0.5 - 0.25 - 1.0 A
50 Vdc
(approx) OSCILLOSCOPE ( NOTE 1 ) 1 Ω 50 Ω 10 Ω D.U.T. PULSE GENERATOR ( NOTE 2 ) FORWARD VOLTAGE, VOLTS