HER151 THRU HER158
Features
Mechanical Data
· Plastic package has Underwriters Laboratory Flammability
Classification 94V-0
· Low forward voltage drop
· High current capability
· High reliability
· Low power loss, high effciency
· Glass passivated junction
· High speed switching
· Low leakage
Maximum Ratings And Electrical Characteristics
· Case : JEDEC DO-15 molded plastic body
· Epoxy : UL94V-0 rate flame retardant
· Lead : Plated axial lead solderable per MIL-STD-750,
method 2026
· Polarity : Color band denotes cathode end
· Mounting Position : Any
· Weight : 0.014 ounce, 0.39 gram
(Ratings at 25℃ ambient temperature unless otherwise specified, Single phase, half wave 60Hz, resistive or inductive
load. For capacitive load, derate by 20%)
CURRENT 1.5 Amperes
VOLTAGE 50 to 1000 Volts
Notes:
(1) Test conditions: I
F
=0.5A, I
R
=1.0A, I
rr
=0.25A.
(2) Measured at 1MHz and applied reverse voltage of 4.0 Volts.
Maximum recurrent peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Volts
Peak forward surge current 8.3ms single
half sine-wave superimposed on rated load
(JEDEC method)
V
DC
Maximum average forward rectified current
0.375"(9.5mm) lead length @ at T
A
=55℃
Maximum instantaneous forward voltage
at 2.0A
V
RRM
Volts
Symbols Units
1.1V
F
V
RMS
1.5
Amps
Amps
I
FSM
T
J
T
STG
-65 to +150 ℃
Volts
Maximum DC reverse current at rated DC
blocking voltage at T
A
=25℃
Maximum reverse recovery time (Note 1)
Typical junction capacitance (Note 2)
Operating junction and storage
temperature range
50
HER
151
35
50
5.0
75
Volts
μA
ns
pF
I
(AV)
I
R
Trr
50
C
J
100
HER
152
70
100
200
HER
153
140
200
400
HER
155
280
400
600
HER
156
420
600
800
HER
157
560
800
1000
HER
158
700
1000
Maximum DC reverse current at rated DC
blocking voltage at T
A
=55℃
30
50
50.0
100
1.71.0
300
HER
154
210
300
Dimensions in inches and (millimeters)
DO-15
1.0(25.4)
MIN.
1.0(25.4)
MIN.
0.300(7.6)
0.230(5.8)
0.034(0.9)
0.028(0.7)
DIA.
0.140(3.6)
0.104(2.6)
DIA.
FIG.1-TEST CIRCUIT DIAGRAM AND REVERSE
RECOVERY TIME CHARACTERISTIC
PULSE
GENERATOR
(NOTE2)
OSCILLOSCOPE
(NOTE1)
1W
NON IN-
DUCTIVE
50W
NON INDUCTIVE
10W
NON INDUCTIVE
D.U.T.
50Vdc
(APPROX)
( + )
Trr
1cm
SET TIME BASE FOR 20/30 ns/cm
NOTES : 1.Rise Time=7ns max. input impedance=1
megohm 22pF
2.Rise Time=10ns max. source impedance
= 50 ohms
-1.0A
+0.5A
0
-0.25A
( )
FIG.3-TYPICAL FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT(AMPERES)
1.0
10
0.01
0.001
0.1
INSTANTANEOUS FORWARD VOLTAGE (VOLTS)
T
A
=25℃
PULSE WIDTH=300
m
S
1% DUTY CYCLE
HER157-HER158
1.20.4 0.6 1.41.00.80 0.2 1.81.6
HER155-HER156
HER151-HER154
FIG.5-MAXIMUM NON-REPETITIVE
FORWARD SURGE CURRENT
NUMBER OF CYCLES AT 60Hz
PEAK FORWARD SURGE
CURRENT(AMPERES)
1 5 1005010
0
20
30
40
50
60
10
70
8.3m SINGLE HALF SINE WAVE
(JEDEC Method)
T
A
=25℃
FIG6-TYPICAL JUNCTION CAPACITANCE
REVERSE VOLTAGE. (V)
JUNCTION CAPACITANCE(pF)
0
25
50
125
100
75
300
150
T
J
=25℃
HER151-HER156
HER157-HER158
100.1 5 200.5 21 50 100 200 1000
FIG.4-TYPICAL REVERSE CHARACTERISTICS
PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
INSTANTANEOUS REVERSE CURRENT ,(mA)
1000 20 120806040 140
1000
1.0
10
100
0.1
T
A
=100℃
T
A
=25℃
FIG.2-TYPICAL FORWARD CURRENT
DERATING CURVE
1250 25 1501007550 175
AVERAGE FORWARD CURRENT(A)
AMBIENT TEMPERATURE ( ℃)
0
3.0
2.0
1.0
SINGLE PHASE HALF WAVE 60Hz
RESISTIVE OR INDUCTIVE LOAD
0.375"(9.5mm) LEAD LENGTH
RATINGS AND CHARACTERISTIC CURVES HER151 THRU HER158
