HER301
THRU
HER308
3.0 AMP HIGH EFFICIENCY RECTIFIERS
VOLTAGE RANGE
50 to 1000 Volts
CURRENT
FEATURES
* Low forward voltage drop
* High current capability
* High reliability
* High surge current capability
* High speed switching
3.0 Amperes
DO-27
.220(5.6)
.197(5.0)
DIA.
1.0(25.4)
MIN.
MECHANICAL DATA
* 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
.375(9.5)
.285(7.2)
.052(1.3)
.048(1.2)
DIA.
1.0(25.4)
MIN.
Dimensions in inches and (millimeters)
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
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)
Operating and Storage Temperature Range T
J
, T
STG
NOTES:
HER301 HER302 HER303 HER304 HER305 HER306 HER307 HER308
UNITS
V
V
V
A
A
V
µA
µA
nS
pF
C
50
35
50
100
70
100
200
140
200
300
210
300
3.0
150
1.3
10
200
400
280
400
600
420
600
800
560
800
1000
700
1000
1.0
1.85
50
75
-65 +150
70
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.
68
RATING AND CHARACTERISTIC CURVES (HER301 THRU HER308)
FIG.1-TYPICAL FORWARD
CHARACTERISTICS
AVERAGE FORWARD CURRENT,(A)
FIG.2-TYPICAL FORWARD CURRENT
DERATING CURVE
3.0
2.5
2.0
1.5
1.0
0.5
0
0
25
50
75
100
125
150
175
Single Phase
Half Wave 60Hz
Resistive Or Inductive Load
0.375"(9.5mm) Lead Length
10
30
3
5
ER
30
~H
ER
INSTANTANEOUS FORWARD CURRENT,(A)
~H
01
R3
04
HE
R3
HE
1.0
.1
Tj=25 C
Pulse Width 300us
1% Duty Cycle
H
ER
30
6~
H
ER
30
8
AMBIENT TEMPERATURE ( C)
.01
FIG.4-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
PEAK FORWARD SURGE CURRENT,(A)
.001
.4
.6
.8
1.0
1.2
1.4
1.6
1.8
150
FORWARD VOLTAGE,(V)
120
FIG.3- TEST CIRCUIT DIAGRAM AND REVERSE
RECOVERY TIME CHARACTERISTICS
50
Ω
NONINDUCTIVE
10
Ω
NONINDUCTIVE
90
Tj=25 C
8.3ms Single Half
Sine Wave
JEDEC method
60
(+)
25Vdc
(approx.)
( )
1
Ω
NON-
INDUCTIVE
OSCILLISCOPE
(NOTE 1)
D.U.T.
( )
PULSE
GENERATOR
(NOTE 2)
(+)
30
0
1
5
10
50
100
NUMBER OF CYCLES AT 60Hz
NOTES: 1. Rise Time= 7ns max., Input Impedance= 1 megohm.22pF.
2. Rise Time= 10ns max., Source Impedance= 50 ohms.
FIG.5-TYPICAL JUNCTION CAPACITANCE
175
trr
+0.5A
|
|
|
|
|
|
|
|
JUNCTION CAPACITANCE,(pF)
150
125
100
75
50
25
0
0
-0.25A
-1.0A
1cm
SET TIME BASE FOR
50 / 10ns / cm
.01
.05
.1
.5
1
5
10
50
100
REVERSE VOLTAGE,(V)
69
PCB Design
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