HER501 THRU HER508
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
· High surge current capability
· High speed switching
· Low leakage
Maximum Ratings And Electrical Characteristics
· Case : JEDEC DO-201AD 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 : 0.074 ounce, 2.1 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 5.0 Amperes
VOLTAGE 50 to 1000 Volts
Notes:
(1) Test conditions: IF=0.5A, IR=1.0A, Irr=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
=50℃
Maximum instantaneous forward voltage
at 2.0A
V
RRM
Volts
Symbols Units
1.3V
F
V
RMS
5.0
Amps
Amps
I
FSM
T
J
T
STG
-65 to +150 ℃
Volts
Maximum DC reverse current at rated DC
blocking voltage
Maximum reverse recovery time (Note 1)
Typical junction capacitance (Note 2)
Operating junction and storage
temperature range
50
HER
501
35
50
10.0
75
Volts
μA
ns
pF
I
(AV)
I
R
Trr
70
C
J
100
HER
502
70
100
200
HER
503
140
200
400
HER
505
280
400
600
HER
506
420
600
800
HER
507
560
800
1000
HER
508
700
1000
Maximum full load reverse current full cycle
average. 0.375"(9.5mm) lead length at
T
L
=55℃
50
50
200.0
150
1.71.0
300
HER
504
210
300
150.0
Dimensions in inches and (millimeters)
DO-201AD
1.0(25.4)
MIN.
1.0(25.4)
MIN.
0.375(9.5)
0.285(7.2)
0.042(1.1)
0.037(0.9)
DIA.
0.210(5.3)
0.188(4.8)
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.
25Vdc
(APPROX)
( + )
Trr
1cm
SET TIME BASE FOR 10/20 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 INSTANTANEOUS FORWARD
CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT(AMPERES)
1
10
0.01
100
0.1
INSTANTANEOUS FORWARD VOLTAGE (VOLTS)
50\100\200\300\400V
TJ=25℃
PULSE WIDTH=300mS
1% DUTY CYCLE
600\800\1000V
1.20.4 0.6 1.41.00.80 0.2 1.81.6
FIG.5-MAXIMUM NON-REPETITIVE
FORWARD SURGE CURRENT
NUMBER OF CYCLES AT 60Hz
PEAK FORWARD SURGE
CURRENT(AMPERES)
1 5 1005010
8.3m SINGLE HALF SINE WAVE
(JEDEC Method)
0
100
200
300
FIG6-TYPICAL JUNCTION CAPACITANCE
REVERSE VOLTAGE. (V)
JUNCTION CAPACITANCE(pF)
100.1
0.2
4 200.4 21 40 100
T
J
=25℃
1
2
6
4
100
40
20
10
200
60
HER506-HER508
HER501-HER505
FIG.4-TYPICAL REVERSE CHARACTERISTICS
PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
INSTANTANEOUS REVERSE CURRENT (mA)
1000 20 120806040 140
T
J
=25℃
T
J
=100℃
T
J
=150℃
0.01
1.0
10
100
0.1
1000
FIG.2-TYPICAL FORWARD CURRENT
DERATING CURVE
1250 25 1501007550 175
AVERAGE FORWARD CURRENT(A)
AMBIENT TEMPERATURE ( ℃)
SINGLE PHASE HALF WAVE 60Hz
RESISTIVE OR INDUCTIVE LOAD
0.375"(9.5mm) LEAD LENGTH
0
3.0
2.0
1.0
6.0
5.0
4.0
RATINGS AND CHARACTERISTIC CURVES HER501 THRU HER508
