LESHAN RADIO COMPANY, LTD.
HER301 – HER308
3A
3A RATING & CHARACTERISTIC CURVES OF HIGH EFFICIENCY DIODES
FIG.1-TEST CIRCUIT DIAGRAM AND
REVERSE RECOVERY TIME CHARACTERISTIC
50
Ω
NONINDUCTIVE
10
Ω
NONINDUCTIVE
D.U.T.
(-)
PULSE
G E N E R AT O R
(NOTE 2)
(+)
0
-0.25A
FIG. 2 - TYPICAL FORWARD
CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT,(A)
+0.5A
Trr
6
5
4
3
2
1
0
0
50
100
150 175
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
(+)
25Vdc
(APPROX)
(-)
1Ω
OSCILLOSCOPE
NON.
(NOTE 1)
INDUCTIVE
NOTES:1.Rise Time=7ns max.
Input Impedance=1megohm.22pF.
2.Rise Time=10ns max.
Source Impedance=50 ohms.
-1.0A
SET TIME
BASE FOR 10 ns/cm
1cm
AMBIENT TEMPER ATURE, (ºC)
FIG. 3 - TYPICAL REVERSE
CHARACTERISTICS
1000
INSTANTANEOUS REVERSE CURRENT (µA)
FIG. 4 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
100
T
J
=25ºC
INSTANTANEOUS FORWARD CURRENT, (A)
0V
100
T
J
=150ºC
10
50/
100
/20
0V
3
/
00
40
0V
60
1.0
1.0
T
J
=25ºC
.1
.1
.01
20
40
60
80
100
120
140
.01
.2
.4
.6
.8
1.0
1.2
1.4
1.6
1.8
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
INSTANTANEOUS FORWARD VOLTAGE,(V)
FIG. 5 - MAXINUM NON-REPETITIVE
FOWARD SURGE CURRENT
300
PEAK FORWARD SURGE CURRENT,(A)
JUNCTION CAPACITANCE,(pF)
FIG. 6 - TYPICAL JUNCTION CAPACITANCE
200
8.3ms Single Half Sine-Wave
(JEDEC Method)
100
HER
60
40
20
10
6
4
2
T
J
=25ºC
HE
R30
301(G
80
Pulse Width=300µs
1% Duty Cycle
0/
10
T
J
=100ºC
10
)-HE
00
V
R305
(G)
200
6(G
)-H
ER3
08(
G)
100
HER301-HER305
HER306-HER308
0
1
10
100
1000
1
.1
.2
.4
1.0
2
4
10
20
40
100
NUMBER OF CYCLES AT 60Hz
REVERSE VOLTAGE,(V)
46A–2/2
LRC [ LESHAN RADIO COMPANY ]
