- 340 -
HER0801G THRU HER0808G
8.0 AMPS. Glass Passivated High Efficient Rectifiers
Voltage Range
50 to 1000 Volts
Current
8.0 Amperes
Features
Low forward voltage drop
High current capability
High reliability
High surge current capability
Mechanical Data
Case: TO-220 molded plastic
Epoxy: UL 94V-O rate flame retardant
Terminals: Leads solderable per MIL-STD-
202, Method 208 guaranteed
Polarity: As marked
High temperature soldering guaranteed:
260
o
C/10 seconds .16",(4.06mm) from
case.
Weight: 2.24 grams
TO-220
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics
Rating at 25
ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%
Type Number
Symbol
HER
0801G
HER
0802G
HER
0803G
HER
0804G
HER
0805G
HER
0806G
HER
0807G
HER
0808G
Units
Maximum Recurrent Peak Reverse Voltage
V
RRM
50
100 200 300 400 600 800 1000
V
Maximum RMS Voltage
V
RMS
35
70
140 210 280 420 560 700
V
Maximum DC Blocking Voltage
V
DC
50
100 200 300 400 600 800 1000
V
Maximum Average Forward Rectified
Current @T
C
= 100
I
(AV)
8.0 A
Peak Forward Surge Current, 8.3 ms Single
Half Sine-wave Superimposed on Rated
Load (JEDEC method )
I
FSM
125 A
Maximum Instantaneous Forward Voltage
@ 4.0A
V
F
1.0 1.3
1.7 V
Maximum DC Reverse Current
@ T
A
=25
at Rated DC Blocking Voltage
@ T
A
=125
I
R
10.0
400
uA
uA
Maximum Reverse Recovery Time (Note 1)
Trr
50 80
nS
Typical Junction Capacitance (Note 2)
Cj
80 50
pF
Typical Thermal Resistance (Note 3)
R
JC
3.0
/W
Operating Temperature Range
T
J
-65 to +150
Storage Temperature Range
T
STG
-65 to +150
Notes: 1. Reverse Recovery Test Conditions: I
F
=0.5A, I
R
=1.0A, I
RR
=0.25A
2. Measured at 1 MHz and Applied Reverse Voltage of 4.0 V D.C.
3. Mounted on Heatsink Size of 2 in x 3 in x 0.25 in Al-Plate.
- 341 -
FIG.1- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
50
W
NONINDUCTIVE
1W
NON
INDUCTIVE
OSCILLOSCOPE
(NOTE 1)
PULSE
GENERATOR
(NOTE 2)
DUT
(+)
50Vdc
(approx)
(-)
NOTES: 1. Rise Time=7ns max. Input Impedance=
1 megohm 22pf
2. Rise Time=10ns max. Sourse Impedance=
50 ohms
(-)
(+)
10
W
NONINDUCTIVE
-1.0A
-0.25A
0
+0.5A
trr
1cm
SET TIME BASE FOR
5/ 10ns/ cm
RATINGS AND CHARACTERISTIC CURVES (HER0801G THRU HER0808G)
FIG.2- MAXIMUM FORWARD CURRENT DERATING
CURVE
A
VERAGE
FOR
W
ARD
CURRENT
.
(A)
0
50
100
150
0
2
4
6
8
10
LEAD TEMPERATURE. ( C)
o
FIG.3- TYPICAL REVERSE CHARACTERISTICS
INST
ANT
ANEOUS
REVERSE
CURRENT
.(
A
)
0
20
40
60
80
100
120
140
0.1
1
10
100
1000
PERCENT OF RATED PEAK REVERSE VOLTAGE. (%)
Tj=75 C
0
Tj=125 C
0
FIG.4- MAXIMUM NON-REPETITIVE FORWARD SURGE
CURRENT
PEAK
FOR
W
ARD
SURGE
CURRENT
.
(A)
1
2
5
10
20
100
50
50
25
125
100
75
150
NUMBER OF CYCLES AT 60Hz
8.3ms Single Half Sine Wave
JEDEC Method
FIG.5- TYPICAL JUNCTION CAPACITANCE
CAP
ACIT
ANCE.(pF)
1
5
2
10
20
50
100
200
500
40
0
80
120
160
200
240
REVERSE VOLTAGE. (V)
HER0801G~HER0805G
HER
080
6G
~HE
R08
08G
FIG.6- TYPICAL FORWARD CHARACTERISTICS
INST
ANT
ANEOUS
FOR
W
ARD
CURRENT
.
(A)
1.6
1.8
0.4
0.6
0.8
1.0
1.2
1.4
0.01
0.03
0.3
1
3
10
30
100
0.1
FORWARD VOLTAGE. (V)
H
ER
0801G
~H
ER
08
04G
HE
R0
80
5G
HER0806G~HER0808G
Tj=25 C
PULSE WIDTH-300 S
1% DUTY CYCLE
0
1000
Tj=25 C
0
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