FEATURES
Low cost
Glass passivated junction
Low leakage
Low forward voltage drop
High current capability
and similar solvents
MECHANICAL DATA
Case:JEDEC DO-27,molded plastic
Terminals: Axial lead ,solderable per
MIL- STD-202,Method 208
Polarity: Color band denotes cathode
Weight: 0.041ounces,1.15grams
Mounting position: Any
MAXIMUM RATINGS AND ELE CTRICAL CHARACTERISTICS
Ratings at 25 ambient temperature unless otherwise specified.
Single phase,half wave,60 Hz,resistive or inductive load. For capacitive load,derate by 20%.
HER
303G
HER
304G
HER
305G
HER
306G
HER
307G
HER
308G UNITS
Maximum recurrent peak reverse voltage V
RRM 200 300 400 600 800 1000 V
Max i mum RMS v ol t a g e V
RMS 140 210 280 420 560 700 V
Maximum DC blocking voltage V
DC 200 300 400 600 800 1000 V
Maximum average forw ard rectif ied current
9.5mm lead length, @TA=75
Peak forw ard surge current
8.3ms single half-sine-w ave 150.0
superimposed on rated load @TJ=125
Maximum instantaneous f orw ard voltage
@3.0 A
VF
V
Maximum reverse current @TA=25
at rated DC blocking voltage @TA=100
Maximym reverse capacitance (Note1)
trr
ns
Typical junction capacitance (Note2) CJ
pF
Typical thermal resistance (Note3) RθJA ／Ｗ
Operating junction temperature range TJ
Storage temperature range TSTG
HER301G---HER308G
DO - 27
50
35
50
HER
301G
Easily cleaned with Freon,Alcohil,Isopropanop
100
70
GALAXY ELECTRICAL
AIFSM
3. Thermal resistance from junction to ambient.
2. Measured at 1.0MHz and applied rev erse v oltage of 4.0V
A
NOTE:1. Measured with IF=0. 5A, I R
=1A, I rr=0.25A.
- 55---- +175
- 55---- + 175
30.0
50
The plastic material carries U/L recognition 94V-0
IR
10.0
150.0
1.7
200.0
1.0 1.3
75
70 50
VO L TAG E R AN GE : 5 0 --- 1 0 0 0 V
CURRENT: 3.0 A
100
HER
302G
3.0 A
GLASS PASSIVATED RECTIFIER
IF(AV)
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BL
BLGALAXY ELECTRICALDocument Number 0269010 1.
1
.1 1.0
.4
TJ=25
2
4
6
10
40
20
100
60
200
.2 2 4 10 20 40 100
HER306G-HER308G
HER301G-HER305G
0
100
110 100
8.3ms Single Half Sine-Wave
(JEDE METHOD)
200
300
1000
HER301G-HER305G
HER306G-HER308G
TJ=50
0.1
1
020 40 60 80 100 120 140
100
10
TJ=25
1000
TJ=50
.01
.01
.1
.4 .6 .8 1.0 1.2 1.4 1.6 1.8
10
1.0
100
.2
50/100/200V
0
300/400V
600/800/1000V
TJ=50
PULSE WIDTH=300uS
3
6
0 50 100 150
Single Phase
Half Wave 60H Z
Resistive or
Inductive Load
0
17525 12575
2
5
4
1
AVERAGE FORWARD CURRENT
AMPERES
AMPERES
AMPERES
PEAK FORWARD SURGE CURREN
T
AMPERES
JUNCTION CAPACITANCE,pF
FIG.4--PEAK FORWARD SURGE CURRENT FIG.5--TYPICAL JUNCTION CAPACITANCE
FIG.2 - -TYPECAL REVERSE CHARACTERISTICS FIG.3- -TYP ECAL FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT
NUMBER OF CYCLES AT 60 Hz REVERSE VOLTAGE,VOLTS
FIG.1 --FORWARD DERAT ING CURVE
AMBIENT TEMPER ATURE,
INSTANTANEOUS REVERSE CURRENT
HER301G---HER308G
PERCENT OF RATED PEAK REVERSE VOLTAGE,
RA TINGS A ND CHA RACTERISTIC CU RV ES
INSTANTANEOUS FORWARD VOLTAGE,VOLTS
BLGALAXY ELECTRICAL
www.galaxycn.com
Document Number 0269010 2.
