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RECTIFIER SPECIALISTS
HER301
THRU
HER308
TECHNICAL SPECIFICATIONS
OF
VOLTAGE RANGE - 50 to 1000 Volts
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%.
HIGH EFFICIENCY RECTIFIER
CURRENT - 3.0 Amperes
Dimensions in inches and (millimeters)
DO-27
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
at T
A
= 50oC
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC Method)
Maximum Instantaneous Forward Voltage at 3.0A DC
Maximum DC Reverse Current
at Rated DC Blocking Voltage TA = 25oC
Maximum Full Load Reverse Current
Average, Full Cycle .375*(9.5mm) lead l ength at TL = 55oC
Maximum Reverse Recovery Time (Note 1) trr
Typical Junction Capacitance (Note 2)
Operating and Storage Temperature Range
NOTES : 1. Test Conditions: IF = 0.5A, IR = 1.0A, IRR = 0.25A
2. Measured at 1 MHZ and applied reverse voltage of 4.0 volts
SYMBOL
V
RRM
V
RMS
V
DC
I
O
I
FSM
V
F
I
R
C
J
T
J, TSTG
66
HER301 HER302 HER303 HER304 HER305 HER306 HER307 HER308
20050
100
70
35
100
50
50
70
140
200
300
400
600
280
210
300
150
1.3
10
150 uAmps
-65 to + 150
400
420
600
1000
800
560
700
800
1000
75 nSec
50
UNITS
Volts
Volts
Volts
Amps3.0
Amps
Volts1.0 1.7
uAmps
pF
0
C
Page 2
RATING AND CHARACTERISTIC CURVES (HER301 THRU HER308)
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