- 338 -
HER801G THRU HER808G
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: Molded plastic
Epoxy: UL 94V-O rate flame retardant
Lead: Axial leads, solderable per MIL-STD-
202, Method 208 guaranteed
Polarity: Color band denotes cathode end
High
temperature
soldering guaranteed:
260
o
C/10 seconds/.375",(9.5mm) lead
lengths at 5 lbs., (2.3kg) tension
Mounting position: Any
Weight: 1.65 grams
R-6
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
801G
HER
802G
HER
803G
HER
804G
HER
805G
HER
806G
HER
807G
HER
808G
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 .375 (9.5mm) Lead Length
@T
A
= 55
I
(AV)
8.0 A
Peak Forward Surge Current, 8.3 ms Single
Half Sine-wave Superimposed on Rated
Load (JEDEC method )
I
FSM
150 A
Maximum Instantaneous Forward Voltage
@ 8.0A
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
100 65
pF
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.
- 339 -
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 (HER801G THRU HER808G)
FIG.2- MAXIMUM FORWARD
CURRENT DERATING CURVE
A
VERAGE
FOR
W
ARD
CURRENT
.
(A)
25
50
75
100 125 150 175
1.5
CASE TEMPERATURE. ( C)
o
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
0.375" (9.5mm)
Lead Length
FIG.5- MAXIMUM NON-REPETITIVE FORWARD SURGE
CURRENT
PEAK
FOR
W
ARD
SURGE
CURRENT
.
(A)
1
10
1000
50
100
225
200
175
150
125
100
75
50
25
0
NUMBER OF CYCLES AT 60Hz
8.3ms Single Half Sine Wave
JEDEC Method
FIG.3- TYPICAL REVERSE CHARACTERISTICS
INST
ANT
ANEOUS
REVERSE
CURRENT
.(
A
)
140
20
40
60
80
100
120
0.1
0.01
1
10
100
1000
PERCENT OF RATED PEAK REVERSE VOLTAGE. (%)
Tj=25 C
0
Tj=125 C
0
FIG.4- TYPICAL FORWARD CHARACTERISTICS
INST
ANT
ANEOUS
FOR
W
ARD
CURRENT
.
(A)
0.2
0.4
0.6
0.8
1.0
1.2
1.4
0.01
0.1
1
10
100
FORWARD VOLTAGE. (V)
HER801G~HER804G
HER805G
HER806G~HER808G
FIG.6- TYPICAL JUNCTION CAPACITANCE
JUNCTION
CAP
ACIT
ANCE.(pF)
0.1
0.5
1
5
2
10
20
50
100 200
500
25
0
50
75
100
125
150
175
REVERSE VOLTAGE. (V)
HER801G~HER805G
HER806G~HER808G
3.0
4.5
6.0
7.5
9.0
0
0
0
0
Tj=75 C
0
800
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