- 342 -
HERA801G THRU HERA808G
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
Cases: 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-220A
Dimensions in inches and (millimeters)
Maximum Rating 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
HERA
801G
HERA
802G
HERA
803G
HERA
804G
HERA
805G
HERA
806G
HERA
807G
HERA
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
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
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
65 55
pF
Typical Thermal Resistance (Note 3)
R
JC
2.0
/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 4.0V D.C.
3. Mounted on Heatsink Size of 2 in x 3 in x 0.25 in Al-Plate.
.412(10.5)
MAX
.185(4.70)
.175(4.44)
.055(1.40)
.045(1.14)
.27(6.86)
.23(5.84)
.11(2.79)
.10(2.54)
.025(0.64)
.014(0.35)
.154(3.91)
.148(3.74)
DIA
PIN1
2
.113(2.87)
.103(2.62)
.16(4.06)
.14(3.56)
.037(0.94)
.027(0.68)
.205(5.20)
.195(4.95)
.594(15.1)
.587(14.9)
.56(14.22)
.53(13.46)
PIN 1
PIN 2
Case Positive
CASE
- 343 -
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 (HERA801G THRU HERA808G)
FIG.2- MAXIMUM FORWARD CURRENT DERATING
CURVE
A
VERAGE
FOR
W
ARD
CURRENT
.
(A)
0
50
100
150
0
4
8
12
16
20
CASE 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=25 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
60
30
120
90
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
30
0
60
90
120
150
REVERSE VOLTAGE. (V)
HERA801G~HERA805G
HERA806G~HERA808G
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)
HERA801G~HERA804G
HERA805G
HE
RA
80
6G
~H
ER
A808
G
0
180
1000
Tj=75 C
0
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