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;
V
RRM
50
100
200
300
400
600
800
1000
Volts
Maximum RMS voltage
V
RMS
35
70
140
210
280
420
560
700
Volts
DC reverse voltage
V
DC
50
100
200
300
400
600
800
1000
Volts
Average forward current, I
O
@T
A
=55
3/8" lead length, 60Hz, resistive or inductive load
I
(AV)
1.5
Amps
Peak forward surge current, I
FM
(surge)
8.3mS single half sine-wave superimposed
on rated load (MIL-STD-750D 4066 method)
I
FSM
50.0
Amps
Maximum forward voltage @1.5A, 25
V
F
1.00
1.30
1.70
Volts
Maximum reverse current, @ rate T
j
=25
reverse voltage T
A
=100
I
R
10.0
500.0
A
Reverse recovery time I
F
=0.5A, I
R
=1A, I
RR
=0.25A
T
rr
50
75
nS
Typical junction capacitance (Note 1)
C
J
25
F
Typical thermal resistance (Note 2)
R
JA
50.0
/W
Operating and storage temperature range
T
J
, T
STG
-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 T
A
=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
-
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