HER301 THRU HER308
HIGH EFFICIENCY RECTIFIER
Reverse Voltage - 50 to 1000 Volts Forward Current - 3.0 Amperes
FEATURES
MECHANICAL DATA
* The plastic package carries Underwriters Laboratory
Flammability Classification 94V-0
* Low power loss, high efficiency
* Low leakage
* Low forward voltage drop
* High current capability
* High speed switching
* High current surge
* High reliability
Case : JEDEC DO-201AD molded plastic
Terminals : Plated axial leads , solderable per MIL-STD-750,
Method 2026
Polarity : Color band denotes cathode end
Mounting Position : Any
Weight : 0.04 ounes , 1.12 grams
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
o
C ambient temperature
unless otherwise specified.
Maximum repetitive peak reverse voltage
Maximum average forward rectified current
0.375" (9.5mm) lead length at T
L
=50
o
C
Peak forward surge current 8.3ms single half sine-wave
superimposed on rated load (JEDEC Method)
Maximum instantaneous forward voltage at 3.0 A
Maximum DC reverse current
at rated DC blocking voltage
T
A
=25
o
C
Maximum reverse recovery time (NOTE 1)
Typical junction capacitance (NOTE 2)
Operating junction and storage temperature range
SYMBOLS
V
RRM
I
(AV)
I
FSM
V
F
I
R
trr
C
J
T
J
,T
STG
HER301 HER302 HER303 HER304 HER305 HER306 HER307
50
100
200
300
400
600
800
3.0
200
150
1.3
1.0
1.7
10
50
75
70
50
-65 to +150
UNITS
Volts
Maximum RMS voltage
V
RMS
35
70
140
210
280
420
560
Volts
Maximum DC blocking voltage
V
DC
50
100
200
300
400
600
800
HER308
1000
700
1000
Volts
Volts
Maximum Full Load Reverse Current Full Cycle
average, 0.375" (9.5mm) lead length at T
L
=55
o
C
I
R(AV)
150
uA
Amps
Amps
uA
nS
pF
o
C
NOTES : (1) Reverse recovery test condition : IF 0.5A, IR=1.0A, Irr=0.25A
(2) Measured at 1.0 MHz and applied reverse voltage of 4.0 Volts
Zowie Technology Corporation
REV. : 0
DO-201AD
*Dimensions in inches and (millimeters)
1
.
0
(
2
5
.
4
)
M
I
N
.
1
.
0
(
2
5
.
4
)
M
I
N
.
0.210(5.3)
0.052(1.3)
0.048(1.2)
0
.
3
7
5
(
9
.
5
)
0
.
2
8
5
(
7
.
2
)
0.190(4.8)
DIA.
DIA.
RATINGS AND CHARACTERISTIC CURVES HER301 THRU HER308
Zowie Technology Corporation
REV. : 0
FIG.3 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
I
I
N
S
T
A
N
T
A
N
E
O
U
S
F
O
R
W
A
R
D
C
U
R
R
E
N
T
,
A
M
P
E
R
E
S
0.10
1.00
10.00
0.01
0.4
0.2
0
0.6
0.8
1.0 1.2
1.4
1.8
1.6
PULSE WIDTH=300uS
1% DUTY CYCLE
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
FIG.4 - MAXIMUM NON-REPETITIVE
PEAK FORWARD SURGE CURRENT
P
E
A
K
F
O
R
W
A
R
D
S
U
R
G
E
C
U
R
R
E
N
T
,
A
M
P
E
R
E
S
NUMBER OF CYCLES AT 60Hz
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
0
50
100
150
200
250
1
10
100
FIG.5 - TYPICAL REVERSE CHARACTERISTICS
I
N
S
T
A
N
T
A
N
E
O
U
S
R
E
V
E
R
S
E
L
E
A
K
A
G
E
C
U
R
R
E
N
T
,
M
I
C
R
O
A
M
P
E
R
E
S
0.01
0.1
1.0
1000
100
10
PERCENT OF RATED PEAK REVERSE VOLTAGE,%
0
20
40
60
80
100
120
140
FIG.6 - TYPICAL JUNCTION CAPACITANCE
T
J
= 25
o
C
T
J
= 25
o
C
T
J
= 25
o
C
T
J
= 100
o
C
T
J
= 150
o
C
REVERSE VOLTAGE, VOLTS
.1
1
J
U
N
C
T
I
O
N
C
A
P
A
C
I
T
A
N
C
E
,
p
F
40
200
.2
.4
1.0
2
4
10
20 40
100
2
4
10
6
20
60
100
FIG.1 - TEST CIRCUIT DIAGRAM AND REVERSE
RECOVERY TIME CHARACTERISTICS
50
NONINDUCTIVE
1
NON-
INDUCTIVE
10
NONINDUCTIVE
( + )
25 Vdc
( approx )
( - )
OSCILLOSCOPE
( NOTE 1 )
PULSE
GENERATOR
( NOTE 2 )
D.U.T.
( - )
( + )
NOTES : 1. Rise Time = 7ns max. Input Impedance=
1 megohm. 22pF.
2. Rise Time = 10ns max. Source Impedance=
50 ohms.
trr
+0.5A
-0.25A
0
-1.0A
SET TIME BASE
FOR 10/20 ns/cm
FIG.2 - FORWARD CURRENT DERATING CURVE
A
V
E
R
A
G
E
F
O
R
W
A
R
D
R
E
C
T
I
F
I
E
D
C
U
R
R
E
N
T
,
A
M
P
E
R
E
S
3.0
2.5
2.0
1.5
1.0
0.5
0
0
25
50
75
100
125
150
175
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
AMBIENT TEMPERATURE,
o
C
0.375" (9.5mm) LEAD LENGTH
HE
R3
01
~H
ER
30
3
HE
R3
04
~H
ER
30
5
HE
R3
06~
HE
R3
08
HER306~HER308
HER301~HER305
HER
301~
HER
305
HER
306~
HER
308
PDF 
ZIP