HER301G THRU HER308G
Features
· 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
CURRENT 3.0 Amperes
VOLTAGE 50 to 1000 Volts
DO-201AD
0.210(5.3)
0.188(4.8)
DIA.
1.0(25.4)
MIN.
Mechanical Data
· 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
0.375(9.5)
0.285(7.2)
0.042(1.1)
0.037(0.9)
DIA.
1.0(25.4)
MIN.
Dimensions in inches and (millimeters)
Maximum Ratings And Electrical Characteristics
(Ratings at 25℃ ambient temperature unless otherwise specified, Single phase, half wave 60Hz, resistive or inductive
load. For capacitive load, derate by 20%)
Symbols
Maximum recurrent peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
0.375"(9.5mm) lead length @ at T
A
=55℃
Peak forward surge current 8.3ms single
half sine-wave superimposed on rated load
(JEDEC method)
Maximum instantaneous forward voltage
at 2.0A
Maximum DC reverse current at rated DC
blocking voltage T
A
=25℃
Maximum DC reverse current at rated DC
blocking voltage T
A
=125℃
Maximum reverse recovery time (Note 1)
Typical junction capacitance (Note 2)
Operating junction and storage
temperature range
I
R
V
RRM
V
RMS
V
DC
I
(AV)
I
FSM
V
F
HER HER HER HER HER HER
301G 302G 303G 304G 305G 306G
50
35
50
100
70
100
200
140
200
300
210
300
3.0
100
1.0
1.3
10.0
400
280
400
600
420
600
HER HER
307G 308G
800
560
800
1000
700
1000
Units
Volts
Volts
Volts
Amps
Amps
1.7
Volts
μA
200
Trr
C
J
T
J
T
STG
50
70
-65 to +150
75
50
ns
pF
℃
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.
RATINGS AND CHARACTERISTIC CURVES HER301G THRU HER308G
FIG.1-TEST CIRCUIT DIAGRAM AND REVERSE
RECOVERY TIME CHARACTERISTIC
50W
NON INDUCTIVE
10W
NON INDUCTIVE
FIG.2-TYPICAL FORWARD CURRENT
DERATING CURVE
Trr
+0.5A
AVERAGE FORWARD CURRENT(A)
6.0
5.0
4.0
3.0
2.0
1.0
0
0
25
50
75
100
125
150
175
AMBIENT TEMPERATURE (
℃)
SINGLE PHASE HALF WAVE 60Hz
RESISTIVE OR INDUCTIVE LOAD
0.375"(9.5mm) LEAD LENGTH
(+)
50Vdc
(APPROX)
(
)
D.U.T.
PULSE
GENERATOR
(NOTE2)
OSCILLOSCOPE
(NOTE1)
0
-0.25A
1W
NON IN-
DUCTIVE
NOTES : 1.Rise Time=7ns max. input impedance=1
megohm 22pF
2.Rise Time=10ns max. source impedance
= 50 ohms
-1.0A
1cm
SET TIME BASE FOR 20/30 ns/cm
FIG.3-TYPICAL FORWARD CHARACTERISTICS
10
FIG.4-TYPICAL REVERSE CHARACTERISTICS
1000
INSTANTANEOUS REVERSE CURRENT (mA)
INSTANTANEOUS FORWARD CURRENT(AMPERES)
T
A
=125℃
04G
-HE
R3
01G
HE
R3
05
G
-H
ER
30
6G
1
100
HE
R3
HE
R
30
8G
HE
R
0.1
30
7G
-
10
1.0
T
A
=25℃
0.01
T
A
=25℃
PULSE WIDTH=300
m
S
1% DUTY CYCLE
0.1
0
20
40
60
80
100
120
140
1.6
1.8
0.001
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
INSTANTANEOUS FORWARD VOLTAGE (VOLTS)
FIG.5-MAXIMUM NON-REPETITIVE
FORWARD SURGE CURRENT
175
FIG6-TYPICAL JUNCTION CAPACITANCE
175
JUNCTION CAPACITANCE(pF)
150
PEAK FORWARD SURGE
CURRENT(AMPERES)
125
100
75
50
25
5
1
5
T
A
=25℃
8.3m SINGLE HALF SINE WAVE
(JEDEC Method)
150
125
100
75
50
25
0
0.1
0.5
1
2
5
10
20
50 100 200
1000
REVERSE VOLTAGE. (V)
HER307G-HER308G
HER301G-HER306G
T
J
=25℃
10
50
100
NUMBER OF CYCLES AT 60Hz
RF/Wirelessly
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