Notes:
(1) Measured at 1.0MHz and applied reverse voltage of 4.0 VDC
(2) Thermal resistance from junction to ambient and from junction to lead length 0.375 (9.5mm) P.C.B. mounted
Symbols HER
151
HER
152
HER
153
HER
154
HER
155
HER
156
HER
157
HER
158 Units
Peak reverse voltage, Repetitive; VRRM 50 100 200 300 400 600 800 1000 Volts
Maximum RMS voltage VRMS 35 70 140 210 280 420 560 700 Volts
DC reverse voltage VDC 50 100 200 300 400 600 800 1000 Volts
Average forward current, IO@TA=55
3/8" lead length, 60Hz, resistive or inductive load I(AV) 1.5 Amps
Peak forward surge current, IFM (surge)
8.3mS single half sine-wave superimposed
on rated load (MIL-STD-750D 4066 method)
IFSM 50.0 Amps
Maximum forward voltage @1.5A, 25 VF1.00 1.30 1.70 Volts
Maximum reverse current, @ rate Tj=25
reverse voltage TA=100 IR
10.0
500.0 A
Reverse recovery time IF=0.5A, IR=1A, IRR=0.25A Trr 50 75 nS
Typical junction capacitance (Note 1) CJ25 F
Typical thermal resistance (Note 2) R JA 50.0 /W
Operating and storage temperature range TJ, TSTG -55 to +150
Features
Mechanical Data
HER151 THRU HER158
HIGH EFFICIENCY RECTIFIER
Reverse Voltage - 50 to 1000 Volts
Forward Current - 1.5 Amperes
Plastic package has Underwriters Laboratory
Flammability classification 94V-0 utilizing
Flame retardant epoxy molding compound
Void-free plastic in DO-15 package
1.5 ampere operation at TA=55 with no thermal runaway
Ultra fast switching for high efficiency
Case: Molded plastic, DO-15
Terminals: Axial leads, solderable per
MIL-STD-202, method 208
Polarity: Band denotes cathode
Mounting Position: Any
Weight: 0.014 ounce, 0.39 gram
Maximum Ratings and Electrical Characteristics
1
Ratings at 25 ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
DIMENSIONS
DIM
inches mm
Note
Min. Max. Min. Max.
A 0.228 0.299 5.8 7.6
B 0.102 0.142 2.6 3.6
C 0.028 0.034 0.71 0.86
D 1.000 - 25.40 -
RATINGS AND CHARACTERISTIC CURVES
2
