FEATURES
Low cost
Low l eakage
Low forward vol tage drop
High c urrent capabilit y
M ECHANICAL DA T A
Case:JEDEC DO--27,m ol ded plastic
Termi nal s : A xial l ead , s ol derabl e per
MIL- STD-202,Method 208
P ol a ri ty: Col o r band denotes ca t hod e
Wei ght: 0.041 ounces,1. 15 gram s
Mounting position: Any
Ratings at 25 ambient t emperature unless ot herwise specif ied.
S ingle phase, half wave,60 Hz, r esistive or induct ive load. F or c apacit ive load, derate by 20%.
HER
303 HER
304 HER
305 HER
306 HER
307 HER
308 UNITS
Maximum recurrent peak reverse voltage VRRM 200 300 400 600 800 1000 V
Maximum RM S voltage VRMS 140 210 280 420 560 700 V
Maximum DC bl ocking voltage VDC 200 300 400 600 800 1000 V
Maximum average forward rectified current
9 .5mm lead le ngth, @TA=75
Pe ak forward surge current
8.3ms single ha lf-sine-wave
superimposed on rated load @TJ=125
Maximum i nstan tane ous forward voltage
@ 3.0 A VFV
Maximum reverse current @TA=25
at rated DC blocki ng voltage @TA=100
Maximum reverse recovery time (Note1) trr ns
Typical jun ction cap a citance (Note2) CJpF
Typical thermal resistance (Note3) RθJA ／Ｗ
Operat ing junction temperature range TJ
Storage temperature range TSTG
150.0
IFSM
The pl asti c m ateri al ca rri es U/ L recogni ti on 94V- 0
HER301--- HER308
E asi l y clea ned wi th Alcohol ,Is oprop anol
and similar solvents
HI G H EFFI CIENCY RECTIFIER VOLTAGE RANGE: 50 --- 1000 V
CURRENT: 3.0 A
70
GALAXY EL ECTRICAL
MAXI MUM RATINGS AND EL ECTRI CAL CHARACTERI S TICS
200.0
A
- 55 --- - + 150
50
10050
- 55 --- - + 150
10.0
IF(AV) 3.0
30
A
3.Thermal resistance junction to ambient.
HER
301 HER
302
50 100
A
IR
NOTE: 1. Measured with IF=0.5A, IR=1A , I rr=0.25A.
150.0
35
DO - 2 7
2. Meas ured at 1. 0MH z and applied revers e volt age of 4.0V D C .
1.71.0 1.3
70
50 70
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BLGALAXY ELECTRICAL
BL
Document Number 0262005 1.
HER306-HER308
01510 10050
TJ=25
8.3ms S ingle Half
Sine -W a v e
100
200
HER301-HER305
T J=25
Pulse W idth=300 µS
0.2
0
0.01
0.1
1.0
3.0
10
100
600\800\1000V
0.4 0.6 0.8 1 1.2
50\100\200V
1.81.4 1.6 2
300\400V
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Document Number 0262005 2.
BLGALAXY ELECTRICAL
AMPERES
AMPERES
AMPERES
F IG .2 -- TYP IC AL F O RWARD CHARACTERISTIC FIG.3 -- FORW ARD DERATING CURVE z
FIG.4 -- TYPICAL JUNCTION CAPACITANCE FIG.5 -- PEAK FORWARD SURGE CURRENT
AMBIENT TEMPERA TURE,
PEAK FORWARD SURGE CURRENT
NUMBER OF CYCLES AT 60Hz REVE RSE VOLTAGE,VOLTS
HER301 --- HER308
F IG .1 -- TES T C IRCU IT DIAG RAM AN D REVERSE RECOVERY T IM E CHAR ACT ERISTIC
AVERAGE FORWARD CURRENT
SET TIME BA SE FOR 10/20 ns /c m
JUNCTION CAPACITANCE,pF
NOT ES:1.RI SE TI ME = 7ns M AX. I NPUT IMPEDA NCE = 1M .22pF.
JJJJJ2.RISE T IME =10ns MAX. SO URCE I MPEDANCE=50 .
RATINGS AND CHARACTERISTIC CURVES
INSTANTANEOUS FORW ARD VOLTAGE , VOLTS
INSTANTANEOUS FORWARD CURRENT
trr
-1.0A
-0.25A
0
+0.5A
1cm
TJ=25
1
2
4
6
10
20
40
60
100
200
0.1 0.2 0.4 1 2 4 10 40 10020
HER301-HER305
HER306-HER308
4.0
1.0
0
0 25 50
2.0
3.0
5.0
6.0
10075 125 175150
Single Phase
Half W ave 60HZ
Resistive or
Inductive Load
0.375"(9.5m m )Lead Length
PULSE
GENERATOR
(NOTE2)
D.U.T.
1
NONIN-
DUCTIVE
50
N1. 10
N1.
OSCILLOSCOPE
(NOTE1)
(+)
25VDC
(approx)
(-)
