HIGH EFFICIENCY RECTIFIER VOLTAGE RANGE 5 to 1 CURRENT 2. Amperes HER21 THRU HER28 FEATURES * Low power loss,high efficiency * Low leakage * Low forward voltage drop * High current capability * High speed switching * High reliability * High current surge DO-15 MECHANICAL DATA * Epoxy: Device has UL flammability classification 94V-O * Case: Molded plastic * Lead: MIL-STD-22E method 28C guaranteed * Mounting position: Any * Weight:.4 gram 1. (25.4) MIN..3 (7.6).23 (5.8).34 (.9).28 (.7) DIA..14 (3.6).14 (2.6) 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 Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current at T A = 5 O C Peak Forward Surge Current 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) Typical Current Squared Time Typical Thermal Resistance (Note 1) Typical Thermal Resistance (Note 1) Typical Thermal Resistance (Note 1) Typical Junction Capacitance (Note 2) Operating Temperature Range Storage Temperature Range SYMBOL V RRM V RMS V DC I O I FSM I 2 T R θ JL C J T STG 2. 6 14.9 R θ JC 15 R θ JA T J HER21 5 HER22 HER23 HER24 HER25 HER26 1 2 3 4 35 7 14 21 28 5 1 2 3 4 1 4 3 2 15-55 to + 15 HER27 HER28 6 8 1 42 56 7 6 8 1 UNITS Amps Amps A 2 S C/W C/W C/W pf C C ELECTRICAL CHARACTERISTICS (@TA=25 O C unless otherwise noted) CHARACTERISTICS Maximum Instantaneous Forward Voltage at 2.A DC Maximum Full Load Reverse Current, Full cycle Average T L =55 O C Maximum Average Reverse Current at Rated DC Blocking Voltage Maximum Reverse Recovery Time (Note 4) @T A = 25 o C @T A = 1 o C SYMBOL NOTES : 1. Thermal Resistance : At 9.5mm lead length,pcb mounted. 2. Measured at 1 MHz and applied reverse voltage of 4. volts. 3. Fully ROHS compliant, 1% Sn plating (Pb-free). 4. Test Conditions: I F =.5A, I R = -1.A, I RR = -.25A. 5. Available in Halogen-free epoxy by adding suffix -HF after the part nbr. V F IR trr HER21 HER22 HER23 HER24 HER25 HER26 HER27 HER28 1. 1.3 1.7 1 5 1 UNITS 5 75 nsec µa µa µa 211-3 REV:B
RATING AND CHARACTERISTICS CURVES ( HER21 THRU HER28 ) 5 Ω NONINDUCTIVE 1 Ω 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 2/1 ns/cm AVERAGE FORWARD CURRENT, (A) 2. 1.6 1.2.8.4 Single Phase Half Wave 6Hz Resistive or Inductive Load 25 5 75 1 125 15 175 INSTANTANEOUS REVERSE CURRENT, (ua) 1 1 1 1..1 T A = 1 O C T A = 75 O C T A = 25 O C 2 4 6 8 1 12 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 ( HER21 THRU HER28 ) INSTANTANEOUS FORWARD CURRENT, (A) 2 1 3. 1..3.1 T J = 25 O C HER21~HER23 HER26~HER28 HER24~HER25.3 Pulse Width=3uS 1% Duty Cycle.1.5 1. 1.5 2. 2.5 3. 3.5 PEAK FORWARD SURGE CURRENT, (A) 2 15 125 1 5 3 2 1 1 8.3ms Single Half Sine-Wave (JEDED Method) 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) 2 1 6 4 2 1 6 4 2 HER21~HER25 HER26~HER28 T J = 25 O C 1.1.2.4 1. 2 4 1 2 4 1 REVERSE VOLTAGE, (V) FIG.6 TYPICAL JUNCTION CAPACITANCE
THE MARKING OF HER2X Marking Description: Cathode band Logo Part No. V X X HER2X Month Code Year Code
Marking Description Rectron Logo Part No. V Y M H E R 2 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-------2V 7-------8V 4-------3V 8-------1V
PACKAGING OF DIODE AND BRIDGE RECTIFIERS BULK PACK PACKAGE PACKING CODE EA PER BOX INNER BOX SIZE CARTON SIZE EA PER CARTON GROSS WEIGHT(Kg) DO-15 -B 5 194*84*21 45*22*255 25, 12.74 REEL PACK PACKAGE PACKING CODE EA PER REEL COMPONENT SPACE TAPE SPACE REEL DIA CARTON SIZE EA PER CARTON GROSS WEIGHT(Kg) DO-15 -T 4, 5. 52 33 355*35*335 16, 1.5 AMMO PACK PACKAGE PACKING CODE REEL ( EA ) COMPONENT TAPE SPACE BOX SIZE CARTON SPACE SIZE CARTON ( EA ) GROSS WEIGHT (Kg) DO-15 -F 1,5 5. 52 255*73*1 4*268*225 15, 8.8
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