HER301 - HER308
HIGH EFFICIENT
RECTIFIER DIODES
PRV : 50 - 1000 Volts
Io : 3.0 Amperes
FEATURES :
* High current capability
* High surge current capability
* High reliability
* Low reverse current
* Low forward voltage drop
* Fast switching for high efficiency
MECHANICAL DATA :
* Case : DO-201AD Molded plastic
* Epoxy : UL94V-O rate flame retardant
* Lead : Axial lead solderable per MIL-STD-202,
Method 208 guaranteed
* Polarity : Color band denotes cathode end
* Mounting position : Any
* Weight : 1.16 grams
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25 °C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
SYMBOL
HER
301
HER
302
HER
303
HER
304 HER
305 HER
306
HER
307 HER
308 UNIT
Maximum Recurrent Peak Reverse Voltage VRRM 50 100 200 300 400 600 800 1000 V
Maximum RMS Voltage VRMS 35 70 140 210 280 420 560 700 V
Maximum DC Blocking Voltage VDC 50 100 200 300 400 600 800 1000 V
Maximum Average Forward Current
0.375"(9.5mm) Lead Length Ta = 55 °C
Maximum Peak Forward Surge Current,
8.3ms Single half sine wave superimposed
on rated load (JEDEC Method)
Maximum Forward Voltage at IF = 3.0 A VF1.1 1.7 V
Maximum DC Reverse Current Ta = 25 °CIR10 µA
at Rated DC Blocking Voltage Ta = 100 °CIR(H) 50 µA
Maximum Reverse Recovery Time ( Note 1 ) Trr 50 75 ns
Typical Junction Capacitance ( Note 2 ) CJ50 pf
Junction Temperature Range TJ - 65 to + 150 °C
Storage Temperature Range TSTG - 65 to + 150 °C
Notes :
( 1 ) Reverse Recovery Test Conditions : IF = 0.5 A, IR = 1.0 A, Irr = 0.25 A.
( 2 ) Measured at 1.0 MHz and applied reverse voltage of 4.0 VDC
Page 1 of 2 Rev. 01 : April 2, 2002
IFSM 150 A
RATING
A3.0IF(AV)
DO-201AD
0.21 (5.33)
0.19 (4.82)
0.375 (9.52)
0.285 (7.24)
0.052 (1.32)
0.048 (1.22)
1.00 (25.4)
MIN.
1.00 (25.4)
MIN.
Dimensions in inches and ( millimeters )
RATING AND CHARACTERISTIC CURVES ( HER301 - HER308 )
FIG.1 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
+
NOTES : 1. Rise Time = 7 ns max., Input Impedance = 1 megaohm, 22 pF.
2. Rise time = 10 ns max., Source Impedance = 50 ohms.
3. All Resistors = Non-inductive Types.
FIG.2 - DERATING CURVE FOR OUTPUT FIG.3 - MAXIMUM NON-REPETITIVE PEAK
RECTIFIED CURRENT FORWARD SURGE CURRENT
0 25 50 75 100 125 150 175 1 2 4 6 10 20 40 60 100
AMBIENT TEMPERATURE, ( °C) NUMBER OF CYCLES AT 60Hz
FIG.4 - TYPICAL FORWARD CHARACTERISTICS FIG.5 - TYPICAL REVERSE CHARACTERISTICS
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
FORWARD VOLTAGE, VOLTS
Page 2 of 2 Rev. 01 : April 2, 2002
60Hz RESISTIVE OR INDUCTIVE LOAD
2.4
1.8
1.2
0.6
3.0
100 10
1.0
120
0
150
0
90
60
30
0.1
10
80
0.01
0.01
1.0 0.1
100
140
0
20
40
60
120
PERCENT OF RATED REVERSE
VOLTAGE, (%)
PEAK FORWARD SURGE
CURRENT, AMPERES
AVERAGE FORWARD OUTPUT
CURRENT, AMPERES
FORWARD CURRENT, AMPERES
REVERSE CURRENT, MICROAMPERES
TJ = 25 °C
TJ = 100 °C
TJ = 25 °C
Pulse Width = 300 µs
2% Duty Cycle
8.3 ms SINGLE HALF SINE WAVE
Ta = 50 °C
HER301-HER305
HER306-HER308
D.U.T.
OSCILLOSCOPE
( NOTE 1 )
1 Ω
50 Ω10 Ω
50 Vdc
(approx)
PULSE
GENERATOR
( NOTE 2 )
Trr
+ 0.5 A
0
- 0.25 A
- 1.0 A
1 cm
SET TIME BASE FOR 25-35 ns/cm
