VRRM
VRMS
VDC
IF(AV)
IFSM
VF
IR
TRR
CJ
TJ
TSTG
Voltage Range
50 to 1000 Volts
Current
1.5 Amperes
HER151 THRU HER158
Features
*Low forward voltage drop
*High current capability
*High reliability
*High surge current capability
Mechanical Data
*Cases:Molded plastic DO-15
*Epoxy:UL 94V-O rate flame retardant
*Lead:Axial leads,solderable per MIL-
STD-202,Method 208 guaranteed
*Polarity:Color band denotes cathode end
*High temperature soldering guaranteed:
2500C/10 seconds/.375",(9.5mm) lead
lengths at 5 lbs.,(2.3kg) tension
*Mounting position:Any
*Weight:0.40 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25oC ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%
Type Number
Maximum Repetitive Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
.375"(9.5mm) Lead Length @TA = 55oC
Peak Forward Surge Current, 8.3 ms Single
Half Sine-wave Superimposed on Rated Load
(JEDEC method)
Maximum Instantaneous Forward Voltage
@1.5A
Maximun DC Reverse Current @ TA = 25oC
at Rated DC Blocking Voltage @ TA = 100oC
Maximum Reverse Recovery Time (Note 1)
Typical Junction Capacitance (Note 2)
Operating Temperature Range
Storage Temperature Range
UNITS
V
V
V
A
A
V
uA
uA
nS
pF
oC
oC
-55 to+125
-55 to+150
HER151
50
35
50
HER152
100
70
100
HER153
200
140
200
HER154
300
210
300
HER156
600
420
600
HER157
800
560
800
HER158
1000
700
1000
1.5 AMPS. HIGH EFFICIENT
RECTIFIERS
NOTES: 1.Reverse Recovery Test Conditions: IF=0.5A,IR=1.0A,IRR=0.25A
2.Measured at 1 MHz and Applied Reverse Voltage of 4.0 V D.C.
50
50
HER155
400
280
400
1.5
50
1.3
5.0
100
1.0 1.7
75
30
DO-15
1.0(25.4)
MIN.
1.0(25.4)
MIN.
.300(7.6)
.230(5.8)
.140(3.6)
.104(2.6)
DIA.
Dimensions in inches and (millimeters)
.034(.9)
.028(.7)
DIA.
50*
NONINDUCTIVE
1*
NON
INDUCTIVE
OSCILLOSCOPE
(NOTE1)
PULSE
GENERATOR
(NOTE 2)
DUT
(+)
50Vdc
(approx)
(-)
NOTES:1. Rise Time=7ns max. Input Impedance=
1 megohm 22pf
2. Rise Time=10ns max. Sourse Impedance=
50 ohms
(-)
(+)
-1.0A
-0.25A
0
+0.5A
trr
1cm SET TIME BASE FOR
5/ 10ns/ cm
10*
NONINDUCTIVE
FIG.1- REVERSE RECOVER TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
FIG.2-MAXIMUM AVERAGE
FORWARD CURRENT DERATING
AVERAGE FORWARD CURRENT. (A)
25 50 75 100 125 150 175
1.0
2.0
AMBIENT TEMPERATURE.(0C)
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
0.375" (9.5mm)
Lead Length
00
FIG.5-MAXIMUM NON-REPETITIVE SURGE
CURRENT
1 2 5 10 20 50 100
80
60
50
40
30
20
10
0
8.3ms Single Half Sine Wave
JEDEC Method
FIG.3-TYPICAL REVERSE CHARACTERISTICS
INSTANTANEOUS REVERSE CURRENT.( A)
0 20 40 60 80 100 120
PERCENT OF RATED PEAK REVERSE VOLTAGE.(%)
Tj=25 C
0
Tj=100 C
0
FIG.4-TYPICAL FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT.(A)
.2 .4 .6 .8 1.0 1.2 1.4
10
1.0
0.1
0.01
0.001
FORWARD VOLTAGE.(V)
HER151~HER154
HER155
HER156~HER158
JUNCTION CAPACITANCE.(pF)
REVERSE VOLTAGE.(V)
HER151~HER155
HER156~HER158
1000
100
10
1.0
0.1
NUMBER OF CYCLES AT 60Hz
FIG.6-TYPICAL JUNCTION CHARACTERISTICS
.1 .5 1 2 5 10 20 50 100 200 500 800
PEAK FORWARD SURGE CYRRENT.(A)
175
150
125
100
75
50
25
0
RATING AND CHARACTERISTIC CURVES
HER151 THRU HER158
