RATING AND CHARACTERISTIC CURVES ( HER301G THRU HER308G )
AVERAGE FORWARD CURENT, (A)
FIG. 1 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
50
NONINDUCTIVE
10
NONINDUCTIVE
trr
+0.5A
(-)
PULSE
GENERATOR
(NOTE 2)
FIG. 2 - TYPICAL FORWARD
CURRENT DERATING CURVE
6
5
4
3
2
1
0
0
25 50 75 100 125 150 175
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
(+)
25 Vdc
(approx)
(-)
D.U.T
0
-0.25A
1
NON-
INDUCTIVE
OSCILLOSCOPE
(NOTE 1)
(+)
-1.0A
NOTES:
1 Rise Time = 7ns max. Input Impedance =
1 megohm. 22pF.
2. Rise Time = 10ns max. Source Impedance =
50 ohms.
1cm
SET TIME BASE FOR
10/20 ns/cm
AMBIENT TEMPERATURE (
)
FIG. 3 - TYPICAL REVERSE CHARACTERISTICS
INSTANTANEOUS REVERSE CURRENT, (uA)
INSTANTANEOUS FORWARD CURRENT, (A)
FIG. 4 - TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
100
1000
100
10
0/2
0
0V
300
/40
0V
50/
10
TJ = 100
1.0
TJ = 25
0.1
.1
Pulse Width = 300uS
1% Duty Cycle
.01
0
20
40
60
80 100 120 140
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
.01
0
.2 .4 .6 .8 1.0 1.2 1.4 1.6 1.8
INSTANTANEOUS FORWARD VOLTAGE, (V)
FIG. 6 - TYPICAL JUNCTION CAPACITANCE
PEAK FORWARD SURGE CURRENT, (A)
FIG. 5 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT
300
JUNCTION CAPACITANCE, (pF)
8.3ms Single Half Sine-Wave
(JEDEC Method)
200
100
60
40
20
10
6
4
2
1
.1
.2 .4
1.0 2 4
10 20 40
REVERSE VOLTAGE, ( V )
100
TJ = 25
HER
3
HE
60
1.0
TJ = 25
0/8
R30
1G~
00
HE
/10
10
00
R30
V
TJ = 150
5G
200
06G
~HE
R30
8
G
100
HER301G~HER305G
HER306G~HER308G
0
1
10
100
1000
NUMBER OF CYCLES AT 60Hz
RECTRON
RALTRON [ Raltron Electronics Corporation ]
