BL
FEATURES
Low cost
GALAXY ELECTRICAL
HER501--- HER508
VOLTAGE RANGE: 50 --- 1000 V
CURRENT: 5.0 A
HIGH EFFICIENCY RECTIFIER
DO
-
27
Low leakage
Low forward voltage drop
High current capability
Easily cleaned with alcohol,Isopropanol
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: 0.041 ounces,1.15 grams
Mounting position: Any
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 by 20%.
HER
501
Maximum recurrent peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forw ard rectified current
9.5mm lead length,
@T
A
=75
HER HER HER HER HER HER HER
UNITS
502 503 504 505 506 507 508
100
70
100
200
140
200
300
210
300
5.0
400
280
400
600
420
600
800
560
800
1000
700
1000
V
V
V
A
V
RRM
V
RMS
V
DC
I
F(AV)
50
35
50
Peak forw ard surge current
8.3ms single half-sine-w ave
superimposed on rated load
@T
J
=125
I
FSM
200.0
150.0
A
Maximum instantaneous forw ard voltage
@ 5.0 A
Maximum reverse current
at rated DC blocking voltage
Maximum reverse recovery time
Typical junction capacitance
Typical thermal resistance
@T
A
=25
@T
A
=100
(Note1)
(Note2)
(Note3)
V
F
I
R
t
rr
C
J
R
θ
JA
T
J
T
STG
1.0
1.3
10.0
150.0
50
70
20
- 55 ---- + 150
- 55 ---- + 150
1.7
V
A
70
50
ns
pF
/W
Operating junction temperature range
Storage temperature range
NOTE: 1. Measured with I
F
=0.5A, I
R
=1A, I
rr
=0.25A.
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2. Measured at 1.0MHz and applied rev erse v oltage of 4.0V DC.
3.Thermal resistance junction to ambient.
Document Number 0262006
BL
GALAXY ELECTRICAL
1.
RATINGS AND CHARACTERISTIC CURVES
HER501 --- HER508
FIG.1 -- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
t
rr
50
N 1.
10
N 1.
+0.5A
D.U.T.
(+)
25VDC
(approx)
(-)
1
NONIN-
DUCTIVE
PULSE
GENERATOR
(NOTE2)
OSCILLOSCOPE
(NOTE1)
0
-0.25A
-1.0A
1cm
NOTES:1.RISE TIME = 7ns MAX.INPUT IMPEDANCE = 1M .22pF.
JJJJJ2.RISE
TIME =10ns MAX.SOURCE IMPEDANCE=50 .
SET TIME BASE FOR 10/20 ns/cm
FIG.2 -- TYPICAL FORWARD CHARACTERISTIC
INSTANTANEOUS FORWARD CURRENT
FIG.3 -- FORWARD DERATING CURVE
z
100
3 0 0 \4 0 0 V
T
J
=25
P u ls e W id t h = 3 0 0
µ
S
AVERAGE FORWARD CURRENT
6.0
5.0
4.0
AMPERES
10
5 0 \1 0 0 \2 0 0 V
AMPERES
3.0
2.0
1.0
0
0
1
6 0 0 \8 0 0 \1 0 0 0 V
Single Phase
Half Wave 60H
Z
Resistive or
Inductive Load
0.375"(9.5mm)LEAD LENGTH
0 .1
0
0 .2 0 .4 0 .6
0 .8
1
1 .2
1 .4 1 .6
1 .8 2
25
50
75
100
125
150
175
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
AMBIENT TEMPERATURE,
FIG.4 -- TYPICAL JUNCTION CAPACITANCE
200
100
FIG.5 -- PEAK FORWARD SURGE CURRENT
PEAK FORWARD SURGE CURRENT
JUNCTION CAPACITANCE,pF
60
40
HER506-HER508
200
TJ=25
8.3ms Single Half
Sine-Wave
HER501-HER505
20
10
6
4
T
J
=25
HER501-HER505
AMPERES
100
2
1
0.1
0.2
0.4
1
2
4
10
20
40
100
HER506-HER508
0
1
5
0
1
50
100
REVERSE VOLTAGE,VOLTS
NUMBER OF CYCLES AT 60Hz
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Document Number 0262006
BL
GALAXY ELECTRICAL
2.
