FEATURES
* Low power loss, high efficiency
* Low leakage
* Low forward voltage drop
* High current capability
* High speed switching
* High reliability
* High current surge
MECHANICAL DATA
* Case: Molded plastic
* Epoxy: UL 94V-0 rate flame retardant
* Lead: MIL-STD-202E, Method 208 guaranteed
* Polarity: Color band denotes cathode end
* Mounting position: Any
* Weight: 1.20 grams
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25oC ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
HER301
THRU
HER308
DO-27
Dimensions in inches and (millimeters)
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
at T
A
= 50
o
C
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC Method)
SYMBOL
V
RRM
V
DC
I
O
I
FSM
V
RMS
Amps3.0
150
Amps
HER301 HER302 HER303 HER304 HER305 HER306 HER307 HER308
UNITS
20050
35
50
100
70
100 140
200
300
210
300
400
280
400
600
420
600
1000
700
1000
800
560
800
Volts
Volts
Volts
50
Maximum Reverse Recovery Time (Note 1) tr r 75 nSec
at Rated DC Blocking Voltage T
A
= 25
o
C
Maximum Full Load Reverse Current
Average, Full Cycle .375*(9.5mm) l ead l ength at T
L
= 55
o
C
V
F
I
R
10
150 uAmps
uAmps
Maximum DC Reverse Current
Maximum Instantaneous Forward Voltage at 3.0A DC Volts1.0 1.7
1.3
TECHNICAL SPECIFICATIONS
OF
HIGH EFFICIENCY RECTIFIER
VOLTAGE RANGE - 50 to 1000 Volts
CURRENT - 3.0 Amperes
RECTIFIER SPECIALISTS
R
DC COMPONENTS CO., LTD.
Operating and Storage Temperature Range T
J, TSTG
-65 to + 150
0
C
Typical Junction Capacitance (Note 2) C
J
70 pF
50
NOTES : 1. Test Conditions: IF = 0.5A, IR = 1.0A, IRR = 0.25A
2. Measured at 1 MH
Z
and applied reverse voltage of 4.0 volts
66
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