1A
1A HIGH EFFICIENCY DIODES
LESHAN RADIO COMP ANY , LTD.
HER101 – HER108
Maximum Average
TYPE
HER101
HER102
HER103
HER104
HER105
HER106
HER107
HER108
Trr I F=0.5A, I R=1.0A, I RR=0.25A
Trr T est Conditions: I F=0.5A, I R=1.0A, I RR=0.25A
Maximum
Peak Reverse
Voltage
PRV
V
PK
50
100
200
300
400
600
800
1000
Rectified Current
@ Half-Wave
Resistive Load 60Hz
I
@ T
O
A
AV
1.0
L
ºC
Maximum Forward
Peak Surge Current
@ 8.3ms
Superimposed
I
(Surge)
FM
A
PK
Maximum
Reverse Current
@ PRV @ TA=25ºC
I
R
µAdc
Maximum
Forward
Voltage
@ TA=25ºC
I
FM
A
PK
V
FM
V
PK
Recovery Time
1.00
1.00
1.00
50 30 5.0 1.0 50
1.30
1.30
1.85
1.85
1.85
1.0(25.4)
MIN
.034(0.9)
.028(0.7)
DIA
.205(5.2)
.166(4.2)
1.0(25.4)
MIN
.107(2.7)
.080(2.0)
DIA
Maximum
Reverse
70
Package
Dimensions
Trr
ns
DO – 41
DO – 41
44A–1/2
LESHAN RADIO COMP ANY , LTD.
HER101 – HER108
1A
1A RATING & CHARACTERISTIC CURVES OF HIGH EFFICIENCY DIODES
FIG.1-TEST CIRCUIT DIAGRAM AND
REVERSE RECOVERY TIME CHARACTERISTIC
50 Ω 10 Ω
NONINDUCTIVE NONINDUCTIVE
D.U.T.
(+)
25Vdc
(APPROX)
(-)
1Ω
OSCILLOSCOPE
NON.
INDUCTIVE
NOTES:1.Rise Time=7ns max.
Input Impedance=1megohm.22pF.
2.Rise Time=10ns max.
Source Impedance=50 ohms.
(NOTE 1)
FIG. 3 - TYPICAL REVERSE
CHARACTERISTICS
100
10
1.0
TJ =100 ºC
TJ =25 ºC
TJ =150ºC
(-)
PULSE
GENERATOR
(NOTE 2)
(+)
+0.5A
0
-0.25A
-1.0A
BASE FOR 10 ns/cm
FIG. 2 - TYPICAL FORWARD
CURRENT DERATING CURVE
Trr
1cm
SET TIME
2.0
1.0
0
AVERAGE FORWARD CURRENT,(A)
0 50 100 150 175
AMBIENT TEMPER ATURE, (ºC)
FIG. 4 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
10.0
1.0
.1
50/100/200V
300/400V
800/1000V
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
600V
0.1
INSTANTANEOUS REVERSE CURRENT (µA)
.01
20 40 60 80 100 120
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
FIG. 5 - MAXINUM NON-REPETITIVE
FOWARD SURGE CURRENT
50
40
30
20
10
PEAK FORWARD SURGE CURRENT,(A)
0
1 2 4 6 8 10 20 40 60 80 100
NUMBER OF CYCLES AT 60Hz
8.3ms Single Half Sine-Wave
(JEDEC Method)
INSTANTANEOUS FORWARD CURRENT, (A)
.01
.001
Pulse Width=300µs
1% Duty Cycle
.2 .4 .6 .8 1.0 1.2 1.4 1.6 1.8
INSTANTANEOUS FORWARD VOLTAGE,(V)
TJ =25ºC
FIG. 6 - TYPICAL JUNCTION CAPACITANCE
200
100
60
40
20
10
6
4
JUNCTION CAPACITANCE,(pF)
2
1
.1 .2 .4 1.0 2 4 10 20 40 100
TJ = 25ºC
REVERSE VOLTAGE,(V)
HER101(G)-HER105(G)
HER106(G)-HER108(G)
44A–2/2