1A
1A GENERAL DIODES
LESHAN RADIO COMP ANY , LTD.
1A1– 1A7
1A1
1A2
1A3
1A4
1A5
1A6
1A7
TYPE
Maximum
Peak Reverse
Voltage
PRV
V
PK
50
100
200
400
600
800
1000
Maximum Average
Rectified Current
@ Half-Wave
Resistive Load 60Hz
I O @ T
L
A
AV
1.0
25 25 5.0 1.0 1.1
.787(20.0)
MIN
.025(0.65)
.021(0.55)
ºC
.126(3.2)
.106(2.7)
DIA
Maximum
Forward Peak
Surge Current @
8.3ms Superimposed
I
(Surge)
FM
A
PK
.787(20.0)
MIN
.102(2.6)
DIA
.091(2.3)
Maximum
Reverse
Current @ PRV
@ TA=25ºC
I
R
µAdc
Maximum
Forward
Voltage
@ TA=25ºC
I
FM
A
PK
Package
Dimensions
V
FM
V
PK
R – 1
R – 1
21A–1/2
LESHAN RADIO COMP ANY , LTD.
1A1-1A7
R-1 1A
RATING & CHARACTERISTIC CURVES OF 1A GENERAL DIODES IN R-1 PACKAGE
FIG. 1 - TYPICAL FORWARD CURRENT
DERATING CURVE
1.0
Single Phase
0.8
0.6
0.4
0.2
AVERAGE FORWARD CURRENT,(A)
0
0 25 50 75 100 125 150 175
AMBIENT TEMPERATURE, (ºC)
Half Wave 60Hz
Resistive or
Inductive Load
FIG. 3 - MAXINUM NON-REPETITIVE
FOWARD SURGE CURRENT
50
40
30
8.3ms Single Half Sine-Wave
(JEDEC Method)
FIG. 2 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
20
10
4
2
1.0
.4
.2
.1
.04
INSTANTANEOUS FORWARD CURRENT,(A)
.02
.01
.6 .8 1.0 1.2 1.4 1.5
INSTANTANEOUS FORWARD VOLTAGE,(V)
TJ=25ºC
Pulse Width=300µs
1% Duty Cycle
FIG. 4 - TYPICAL REVERSE CHARACTERISTICS
20
10
PEAK FORWARD SURGE CURRENT,(A)
0
1 2 4 6 8 10 20 40 60 80100
NUMBER OF CYCLES AT 60Hz
FIG. 5 - 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
REVERSE VOLTAGE,(V)
TJ =25ºC
10
1.0
0.1
INSTANTANEOUS FORWARD CURRENT,(µA)
0.01
0 20 40 60 80 100 120 140
PERCENT OF RATED PEAK REVERSE VOLTAGE,(%)
21A–2/2