HIGH EFFICIENCY SILICON RECTIFIER VOLTAGE RANGE 5 to 1 CURRENT 3. Amperes HER31 THRU HER38 FEATURES * Low power loss,high efficiency * Low leakage * Low forward voltage drop * High current capability * High speed switching * High reliability * High current surge DO-1AD MECHANICAL DATA * Epoxy: Device has UL flammability classification 94V-O * Case: Molded plastic * Lead: MIL-STD-2E method 8C guaranteed * Mounting position: Any * Weight: 1. grams 1. (25.4) MIN..375 (9.5).335 (8.5).52 (1.3 ).48 (1.2 ) DIA..2 (5.6 ).197 (5. ) DIA. MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 o C ambient temperature unless otherwise specified. resistive or inductive load. 1. (25.4) MIN. Dimensions in inches and (millimeters) MAXIMUM RATINGS (@ TA=25 O C unless otherwise noted) RATINGS SYMBOL Maximum Recurrent Peak Reverse Voltage V RRM Maximum RMS Voltage V RMS Maximum DC Blocking Voltage V DC Maximum Average Forward Rectified Current at T A = 5 O C I O Peak Forward Surge Current 8.3 ms single half sine-wave I FSM superimposed on rated load (JEDEC method) Typical Current Squared Time Typical Thermal Resistance (Note 1) Typical Junction Capacitance (Note 2) Operating Temperature Range Storage Temperature Range I 2 T R θ JL R θ JA C J T J T STG HER31 HER32 HER33 HER34 HER35 HER36 HER37 HER38 5 1 3 4 6 8 1 35 7 14 21 28 4 56 7 5 1 3 4 6 8 1 3. 165.9 93.3 8.5 7 5-55 to + UNITS Amps Amps A 2 S C/W pf C C ELECTRICAL CHARACTERISTICS (@TA=25 O C unless otherwise noted) CHARACTERISTICS SYMBOL HER31 HER32 HER33 HER34 HER35 HER36 HER37 HER38 UNITS Maximum Instantaneous Forward Voltage at 3.A DC V F 1. 1.3 1.7 Maximum Average Reverse Current @T A = 25 o C 5 μa IR at Rated DC Blocking Voltage @T A = 125 o C μa Maximum Reverse Recovery Time (Note 4) trr 5 75 nsec NOTES : 1. Thermal Resistance : Mounted on PCB. 9-1 2. Measured at 1 MHz and applied reverse voltage of 4. volts. REV:A 3. Fully ROHS compliant, 1% Sn plating (Pb-free). 4. Test Conditions: I F=.5A, I R= -1.A, I RR= -.25A.
RATING AND CHARACTERISTICS CURVES ( HER31 THRU HER38 ) 5 NONINDUCTIVE 1 NONINDUCTIVE +.5A trr (+) 25 Vdc (approx) (-) D.U.T 1 NON- INDUCTIVE OSCILLOSCOPE (NOTE 1) (-) PULSE GENERATOR (NOTE 2) (+) -.25A NOTES: 1 Rise Time = 7ns max. Input Impedance = 1 megohm. 22pF. 2. Rise Time = 1ns max. Source Impedance = 5 ohms. FIG.1 TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC -1.A 1cm SET TIME BASE FOR /1 ns/cm AVERAGE FORWARD CURRENT, (A) 3. 2.5 2. 1.5 1..5 Single Phase Half Wave 6Hz Resistive or Inductive Load 25 5 75 1 125 175 INSTANTANEOUS REVERSE CURRENT, (ua) 1 1 1 1..1 T A = 125 O C T A =75 O C T A =25 O C 4 6 8 1 1 14 AMBIENT TEMPERATURE, ( O C) PERCENT OF RATED PEAK REVERSE VOLTAGE, (%) FIG.2 TYPICAL FORWARD CURRENT DERATING CURVE FIG.3 TYPICAL REVERSE CHARACTERISTICS
RATING AND CHARACTERISTICS CURVES ( HER31 THRU HER38 ) INSTANTANEOUS FORWARD CURRENT, (A) 1 3. 1..3.1 T J = 25 O C HER31~HER33 HER36~HER38 HER34~HER35.3 Pulse Width=3uS 1% Duty Cycle.1.5 1. 1.5 2. 2.5 3. 3.5 PEAK FORWARD SURGE CURRENT, (A) 125 1 5 3 1 1 HER36~HER38 8.3ms Single Half Sine-Wave (JEDED Method) HER31~HER35 5 1 5 1 INSTANTANEOUS FORWARD VOLTAGE, (V) FIG.4 TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS NUMBER OF CYCLES AT 6Hz FIG.5 MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT JUNCTION CAPACITANCE, (pf) 1 6 4 1 6 4 2 HER31~HER35 HER36~HER38 T J = 25 O C 1.1.2.4 1. 2 4 1 4 1 REVERSE VOLTAGE, (V) FIG.6 TYPICAL JUNCTION CAPACITANCE
Marking Description Rectron Logo Part No. V Y M H E R 3 X Cathode Band Year code: (Y:Last digit of year) Month code: (M:~9.O.N.D) Voltage-code 1-------5V 5-------4V 2-------1V 6-------6V 3-------V 7-------8V 4-------3V 8-------1V
PACKAGING OF DIODE AND BRIDGE RECTIFIERS BULK PACK PACKAGE PACKING CODE EA PER BOX INNER BOX SIZE (mm) CARTON SIZE (mm) EA PER CARTON GROSS WEIGHT(Kg) DO-1 -B 5 3*73*4 347*3*271 12, 15.9 REEL PACK PACKAGE PACKING CODE EA PER REEL EA PER COMPONENT INNER SPACE BOX (mm) TAPE SPACE (mm) REEL DIA CARTON SIZE (mm) (mm) EA PER CARTON DO-1 -T 1, 1, 5. 52 33 355*35*335 4,8 GROSS WEIGHT(Kg) 9.1 AMMO PACK PACKAGE PACKING CODE REEL ( EA ) COMPONENT TAPE SPACE BOX SIZE CARTON SPACE(mm) (mm) (mm) SIZE(mm) CARTON ( EA ) GROSS WEIGHT (Kg) DO-1 -F 6 9.5 52 255*73*1 4*268*225 6, 9.9
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