HER301 - HER308
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
HIGH EFFICIENT
RECTIFIER DIODES
DO-201AD
0.21 (5.33)
0.19 (4.82)
1.00 (25.4)
MIN.
0.375 (9.52)
0.285 (7.24)
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
0.052 (1.32)
0.048 (1.22)
1.00 (25.4)
MIN.
Dimensions in inches and ( millimeters )
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%.
RATING
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
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 I
F
= 3.0 A
Maximum DC Reverse Current
at Rated DC Blocking Voltage
Ta = 25
°C
Ta = 100
°C
SYMBOL
V
RRM
V
RMS
V
DC
I
F(AV)
HER
301
50
35
50
HER
302
100
70
100
HER
303
200
140
200
HER
304
300
210
300
3.0
HER
305
400
280
400
HER
306
600
420
600
HER
307
800
560
800
HER
308
1000
700
1000
UNIT
V
V
V
A
I
FSM
V
F
I
R
I
R(H)
Trr
150
1.1
10
50
50
50
- 65 to + 150
- 65 to + 150
75
1.7
A
V
µA
µA
ns
pf
°C
°C
Maximum Reverse Recovery Time ( Note 1 )
Typical Junction Capacitance ( Note 2 )
Junction Temperature Range
Storage Temperature Range
C
J
T
J
T
STG
Notes :
( 1 ) Reverse Recovery Test Conditions : I
F
= 0.5 A, I
R
= 1.0 A, Irr = 0.25 A.
( 2 ) Measured at 1.0 MHz and applied reverse voltage of 4.0 V
DC
Page 1 of 2
Rev. 01 : January 10, 200
RATING AND CHARACTERISTIC CURVES ( HER301 - HER308 )
FIG.1 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
50
Ω
10
Ω
+ 0.5 A
D.U.T.
0
- 0.25 A
Trr
+
50 Vdc
(approx)
1
Ω
PULSE
GENERATOR
( NOTE 2 )
OSCILLOSCOPE
( NOTE 1 )
- 1.0 A
SET TIME BASE FOR 25-35 ns/cm
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.
1 cm
FIG.2 - DERATING CURVE FOR OUTPUT
RECTIFIED CURRENT
3.0
150
FIG.3 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
PEAK FORWARD SURGE
CURRENT, AMPERES
8.3 ms SINGLE HALF SINE WAVE
120
Ta = 50
°
C
AVERAGE FORWARD OUTPUT
CURRENT, AMPERES
2.4
1.8
90
1.2
60
0.6
60Hz RESISTIVE OR INDUCTIVE LOAD
0
0
25
50
75
100
125
150
175
30
0
1
2
4
6
10
20
40
60 100
AMBIENT TEMPERATURE, (
°C)
NUMBER OF CYCLES AT 60Hz
FIG.4 - TYPICAL FORWARD CHARACTERISTICS
REVERSE CURRENT, MICROAMPERES
FIG.5 - TYPICAL REVERSE CHARACTERISTICS
100
10
T
J
= 100
°
C
FORWARD CURRENT, AMPERES
Pulse Width = 300
µs
2% Duty Cycle
T
J
= 25
°
C
10
1.0
HER301-HER305
1.0
0.1
T
J
= 25
°
C
HER306-HER308
0.1
0.01 0
20
40
60
80
100
120
140
PERCENT OF RATED REVERSE
VOLTAGE, (%)
0.01
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 : January 10, 2004
Embedded System
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