HER301 THRU HER308
3.0 AMP HIGH EFFICIENCY RECTIFIERS
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating 25 C ambient temperature uniess otherwies specified.
Single phase half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
TYPE NUMBER
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
.375"(9.5mm) Lead Length at Ta=50 C
FEATURES
MECHANICAL DATA
Peak Forward Surge Current, 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Maximum Instantaneous Forward Voltage at 3.0A
Maximum DC Reverse Current Ta=25 C
at Rated DC Blocking Voltage Ta=100 C
Maximum Reverse Recovery Time (Note 1)
Typical Junction Capacitance (Note 2)
3.0
1.0 1.3 1.85
150
10
200
50 70
75
-65 +150
V
NOTES:
1. Reverse Recovery Time test condition: IF=0.5A, IR=1.0A, IRR=0.25A
2. Measured at 1MHz and applied reverse voltage of 4.0V D.C.
* Low forward voltage drop
* High current capability
* High reliability
* High surge current capability
* Case: Molded plastic
* Epoxy: UL 94V-0 rate flame retardant
* Lead: Axial leads, solderable per MIL-STD-202,
method 208 guranteed
* Polarity: Color band denotes cathode end
* Mounting position: Any
Weight: 1.10 grams
*
VOLTAGE RANGE
50 to 1000 Volts
CURRENT
3.0 Amperes
HER301 HER302 HER303 HER304 HER305 HER306 HER307 HER308 UNITS
50 100 200 300 400 600 800 1000
50 100 200 300 400 600 800 1000
35 70 140 210 280 420 560 700 V
V
* High speed switching
DO-27
Dimensions in inches and (millimeters)
1.0(25.4)
MIN.
1.0(25.4)
MIN.
.375(9.5)
.285(7.2)
.052(1.3)
.048(1.2)
DIA.
.220(5.6)
.197(5.0)
DIA.
Operating and Storage Temperature Range TJ, TSTG
A
A
V
mA
mA
nS
pF
C
.4 .6 .8 1.0 1.2 1.4
.001
.01
.1
1.0
10
RATING AND CHARACTERISTIC CURVES (HER301 THRU HER308)
FIG.1-TYPICAL FORWARD
CHARACTERISTICS
FIG.4-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
PEAK FORWARD SURGE CURRENT,(A)
FIG.5-TYPICAL JUNCTION CAPACITANCE
INSTANTANEOUS FORWARD CURRENT,(A)
FORWARD VOLTAGE,(V)
Pulse Width 300us
1% Duty Cycle
0
30
60
120
150
90
(+)
(+)
25Vdc
(approx.)
( )
( )
PULSE
GENERATOR
(NOTE 2)
OSCILLISCOPE
(NOTE 1)
1
NON-
INDUCTIVE
W
NOTES: 1. Rise Time= 7ns max., Input Impedance= 1 megohm.22pF.
2. Rise Time= 10ns max., Source Impedance= 50 ohms.
+0.5A
0
-0.25A
-1.0A
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1cm
SET TIME BASE FOR
50 / 10ns / cm
trr
D.U.T.
FIG.3- TEST CIRCUIT DIAGRAM AND REVERSE
RECOVERY TIME CHARACTERISTICS
10
NONINDUCTIVE
50
NONINDUCTIVE
WW
Tj=25 C
FIG.2-TYPICAL FORWARD CURRENT
AVERAGE FORWARD CURRENT,(A)
0.5
0
1.0
1.5
2.0
2.5
3.0
DERATING CURVE
1.6 1.8
HER306~HER308
HER304~HER305
HER301~HER303
REVERSE VOLTAGE,(V)
JUNCTION CAPACITANCE,(pF)
175
150
125
100
75
50
25
0.01 .05 .1 .5 1 5 10 50 100
NUMBER OF CYCLES AT 60Hz
1 10 5 50 100
Tj=25 C 8.3ms Single Half
Sine Wave
JEDEC method
Single Phase
Half Wave 60Hz
Resistive Or Inductive Load
0.375"(9.5mm) Lead Length
AMBIENT TEMPERATURE ( C)
0 25 50 75 100 125 150 175
