HER301 DC COMPONENTS CO., LTD. THRU RECTIFIER SPECIALISTS R HER308 TECHNICAL SPECIFICATIONS OF HIGH EFFICIENCY RECTIFIER VOLTAGE RANGE - 50 to 1000 Volts CURRENT - 3.0 Amperes FEATURES * Low power loss, high efficiency * Low leakage * Low forward voltage drop * High current capability DO-27 * High speed switching * High surge capability * High reliability MECHANICAL DATA .052 (1.3) * Case: Molded plastic DIA. .048 (1.2) 1.0 (25.4) * Epoxy: UL 94V-0 rate flame retardant MIN. * Lead: MIL-STD-202E, Method 208 guaranteed * Polarity: Color band denotes cathode end * Mounting position: Any .375 (9.5) .335 (8.5) * Weight: 0.4 gram .220 (5.6) .197 (5.0) 1.0 (25.4) MIN. MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS o Ratings 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%. Dimensions in inches and (millimeters) SYMBOL HER301 HER302 HER303 HER304 HER305 HER306 HER307 HER308 UNITS Maximum Recurrent Peak Reverse Voltage VRRM 50 100 200 300 400 600 800 1000 Volts Maximum RMS Voltage VRMS 35 70 140 210 280 420 560 700 Volts Maximum DC Blocking Voltage VDC 50 100 200 300 400 600 800 1000 Volts Maximum Average Forward Rectified Current IO 3.0 Amps o at TA= 50 C Peak Forward Surge Current 8.3 ms single half sine-wave IFSM 150 Amps superimposed on rated load (JEDEC Method) Maximum Instantaneous Forward Voltage at 2.0A DC VF 1.0 1.3 1.7 Volts Maximum DC Reverse Current 10 uAmps o at Rated DC Blocking Voltage TA = 25 C IR Maximum Full Load Reverse Current 150 uAmps o Average, Full Cycle .375*(9.5mm) lead length at T L = 55 C Maximum Reverse Recovery Time (Note 1) trr 75 100 nSec 50 Typical Junction Capacitance (Note 2) CJ 70 50 pF 0 Operating and Storage Temperature Range TJ, TSTG -65 to + 150 C 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 REV-1,Apr/25/2013HER301~ HER305 HER306 ~ HER308 RATING AND CHARACTERISTIC CURVES ( HER301 THRU HER308 ) FIG.1- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC FIG.2- TYPICAL FORWARD 50 10 CURRENT DERATING CURVE trr NONINDUCTIVE NONINDUCTIVE +0.5A 6 5 ( - ) Single Phase D.U.T 0 Half Wave 60Hz ( + ) 4 PULSE -0.25A Resistive or 25 Vdc GENERATOR 3 Inductive Load (approx) (NOTE 2) ( - ) 1 2 OSCILLOSCOPE ( + ) NON- (NOTE 1) 1 INDUCTIVE -1.0A 0 1cm NOTES:1 Rise Time = 7ns max. Input Impendce = 0 25 50 75 100 125 150 175 SET TIME BASE FOR 10/20 ns/cm 1 megohm. 22pF. AMBIENT TEMPERATURE ( C) 2 Rise Time = 10ns max. Souce Impendce = 50 ohms. FIG.4- TYPICAL INSTANTANEOUS FORWARD FIG.3- TYPICAL REVERSE CHARACTERISTICS CHARACTERISTICS 100 100 TJ = 150 C 10 10 TJ = 100 C 1.0 1.0 TJ = 25 C TJ = 25 C .1 .1 Pulse Width = 300uS 1% Duty Cycle .01 .01 0 20 40 60 80 100 120 140 0 .2 .4 .6 .8 1.0 1.2 1.4 1.6 1.8 PERCENT OF RATED PEAK REVERSE VOLTAGE,(%) INSTANTANEOUS FORWARD VOLTAGE, (V) FIG.5- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT FIG.6- TYPICAL JUNCTION CAPACITANCE 200 175 100 150 8.3ms Single Half Sine-Wave (JEDEC Method) 60 125 40 100 20 10 75 TJ = 25 C 6 50 4 25 2 1 0 1 10 100 1000 .1 .2 .4 1.0 2 4 10 20 40 100 NUMBER OF CYCLES AT 60Hz REVERSE VOLTAGE, (V) DC COMPONENTS CO., LTD. R REV-1,Apr/25/2013 HER306 ~ HER308 HER301 ~ HER305 INSTANTANEOUS REVERSE CURRENT,(uA) PEAK FORWARD SURGE CURRENT, (A) INSTANTANEOUS FORWARD CURRENT, (A) JUNCTION CAPACITANCE, (pF) AVERAE FORWARD CURENT, (A)