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HER801G THRU HER808G
8.0 AMPS. Glass Passivated High Efficient Rectifiers
Voltage Range
50 to 1000 Volts
Current
8.0 Amperes
F
eatures
Low forward voltage drop
High current capability
High reliability
High surge current capability
M
echanical 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
oC/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)
M
aximum Ratings and Electrical Characteristics
Rating at 25ambient 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
VRRM
50
100
200
300
400
600
800
1000
V
Maximum RMS Voltage VRMS
35
70
140
210
280
420
560
700
V
Maximum DC Blocking Voltage VDC 50
100
200
300
400
600
800
1000
V
Maximum Average Forward Rectified
Current .375 (9.5mm) Lead Length
@TA = 55 I(AV) 8.0 A
Peak Forward Surge Current, 8.3 ms Single
Half Sine-wave Superimposed on Rated
Load (JEDEC method ) IFSM 150 A
Maximum Instantaneous Forward Voltage
@ 8.0A VF 1.0 1.3
1.7 V
Maximum DC Reverse Current
@ TA=25 at Rated DC Blocking Voltage
@ TA=125 IR 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 TJ -65 to +150
Storage Temperature Range TSTG
-65 to +150
Notes: 1. Reverse Recovery Test Conditions: IF=0.5A, IR=1.0A, IRR=0.25A
2. Measured at 1 MHz and Applied Reverse Voltage of 4.0 V D.C.
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FIG.1- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
50W
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
(-)
(+)
10W
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
AVERAGE FORWARD 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 FORWARD SURGE CURRENT. (A)
110 100050 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
INSTANTANEOUS 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
INSTANTANEOUS FORWARD 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 CAPACITANCE.(pF)
0.1 0.5 1 52 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