GALAXY ELECTRICAL
HER301G---HER308G
BL
VOLTAGE RANGE: 50 --- 1000 V
CURRENT: 3.0 A
GLASS PASSIVATED RECTIFIERS
FEATURES
Low cost
Glass passivated junction
Low leakage
DO- 27
Low forward voltage drop
High currentcapability
Easilycleaned with Freon,Alcohil,Isopropanop
and similar solvents
The plastic material carries U/L recognition 94V-0
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
Dimensions in millimeters
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 ambient temperature unless otherwise specified.
Single phase,half wave,60 Hz,resistive or inductive load. For capacitive load,derate by20%.
HER
HER
HER HER
HER HER HER HER
UNITS
301G 302G
303G 304G 305G 306G 307G 308G
Maximumrecurrent peakreverse voltage
Max imum RMS v oltage
VRRM
VRMS
VDC
50
35
50
100
70
200
140
200
300
210
300
400
280
400
600
420
600
800
560
800
1000
700
V
V
V
MaximumDCblocking voltage
100
1000
Maximumaverage forward rectified current
IF(AV)
3.0
A
9.5mmlead length,
@TA=75
Peak forward surge current
8.3ms single half-sine-wave
superimposed on rated load
IFSM
125.0
A
Maximuminstantaneous forw ard voltage
V
1.0
1.3
1.7
V
A
F
@3.0 A
Maximumreverse current
@TA=25
10.0
IR
at rated DCblocking voltage @TA=100
150.0
Maximymreverse capacitance
Typical junction capacitance
Typical thermal resistance
(Note1)
(Note2)
(Note3)
trr
CJ
50
75
ns
55
25
pF
RθJA
TJ
30.0
/ W
Operating junction temperature range
- 55---- +150
- 55---- + 150
Storage temperature range
NOTE:1. Measured with IF=0.5A, IR=1A, Irr=0.25A.
TSTG
www.galaxycn.com
2. Measured at 1.0MHz and applied reverse voltage of 4.0V
3. Thermal resistance from junction to ambient.
Document Number 2069110
BLGALAXY ELECTRICAL
1.