HER301G THRU HER308G
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-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 : 0.042 ounce, 1.19 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 3.0 Amperes
VOLTAGE 50 to 1000 Volts
Notes:
(1) Test conditions: I
F=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
=55℃
Maximum instantaneous forward voltage
at 2.0A
V
RRM
Volts
Symbols Units
1.3V
F
V
RMS
3.0
Amps
Amps
I
FSM
T
J
T
STG
-65 to +150 ℃
Volts
Maximum DC reverse current at rated DC
blocking voltage T
A
=25℃
Maximum reverse recovery time (Note 1)
Typical junction capacitance (Note 2)
Operating junction and storage
temperature range
50
HER
301G
35
50
10.0
75
Volts
μA
ns
pF
I
(AV)
I
R
Trr
70
C
J
100
HER
302G
70
100
200
HER
303G
140
200
400
HER
305G
280
400
600
HER
306G
420
600
800
HER
307G
560
800
1000
HER
308G
700
1000
Maximum DC reverse current at rated DC
blocking voltage T
A
=125℃
50
50
100
200
1.71.0
300
HER
304G
210
300
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.
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
10
0.01
0.001
0.1
INSTANTANEOUS FORWARD VOLTAGE (VOLTS)
T
A
=25℃
PULSE WIDTH=300
m
S
1% DUTY CYCLE
1.20.4 0.6 1.41.00.80 0.2 1.81.6
HER301G-HER304G
HER305G-HER306G
HER307G-HER308G
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)
T
A
=25℃
5
50
75
100
125
150
175
25
FIG6-TYPICAL JUNCTION CAPACITANCE
REVERSE VOLTAGE. (V)
JUNCTION CAPACITANCE(pF)
T
J
=25℃
0
25
100
125
75
50
175
150
100.1
50
5 200.5 21 200100 1000
HER301G-HER306G
HER307G-HER308G
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
=25℃
T
A
=125℃
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 HER301G THRU HER308G
