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Электронный компонент: 1F4

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LESHAN RADIO COMPANY, LTD.
12A1/2
1 A
1A FAST RECOVERY DIODES
1F1
1F2
1F3
1F4
1F5
1F6
1F7
TYPE
Maximum
Peak Reverse
Voltage
Maximum Average
Rectified Current
@ Half-Wave
Resistive Load 60Hz
Maximum
Forward Peak
Surge Current @
8.3ms Superimposed
Maximum
Reverse
Current @ PRV
@ T
A
=25C
Maximum
Forward
Voltage
@ T
A
=25C
Package
Dimensions
Maximum
Reverse
Recovery Time
1.0
Trr
I
F
= 0.5A, I
R
= 1.0A, I
RR
= 0.25A
Trr Test Conditions: I
F
= 0.5A, I
R
= 1.0A, I
RR
= 0.25A
50
100
200
400
600
800
1000
PRV
V
PK
I
O
@ T
L
A
AV
C
I
FM
(Surge)
A
PK
I
R
Adc
I
FM
V
FM
A
PK
V
PK
Trr
ns
1F1 1F7
25
25
5.0
1.0
1.3
150
150
150
150
250
500
500
R 1
.787(20.0)
MIN
.126(3.2)
.106(2.7)
.025(0.65)
DIA
.021(0.55)
.787(20.0)
MIN
.102(2.6)
DIA
.091(2.3)
R 1
LESHAN RADIO COMPANY, LTD.
12A2/2
1F1-1F7
RATING & CHARACTERISTIC CURVES OF FAST RECOVERY DIODES
FIG. 2 TYPICAL FORWARD
CURRENT DERATING CURVE
AMBIENT TEMPER ATURE, (C)
+0.5A
0
-0.25A
-1.0A
1cm
Trr
NOTES:1.Rise Time=7ns max.
Input Impedance=1megohm.22pF.
2.Rise Time=10ns max.
Source Impedance=50 ohms.
(+)
P U L S E
G E N E R AT O R
( N O T E 2 )
(-)
D.U.T.
OSCILLOSCOPE
(NOTE 1)
1
N O N .
INDUCTIVE
(+)
25Vdc
(APPROX)
(-)
50
10
NONINDUCTIVE
NONINDUCTIVE
FIG.1TEST CIRCUIT DIAGRAM AND
REVERSE RECOVERY TIME CHARACTERISTIC
SET TIME
A
VERAGE FOR
W
ARD CURRENT
,(A)
BASE FOR 50/100ns/cm
0
50
100
150
175
1.0
.8
.6
.4
.2
0
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
0
20
40
60
80
100
120
140
10
1.0
.1
.01
T
J
=50C
T
J
=25C
8.3ms Single Half Sine-Wave
(JEDEC Method)
1
5
10
50
100
200
100
50
30
20
10
.4
.6
.8
1.0
1.2
1.4
1.6
1.8
20
10
1.0
0.1
.01
T
J
=25C
Pulse Width=300
s
1% Duty Cycle
.1
.2
.4
1.0
2
4
10
20
40
100
200
100
60
40
20
10
6
4
2
1
T
J
=25C
INST
ANT
ANEOUS REVERSE CURRENT (
A)
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
FIG. 3 TYPICAL REVERSE
CHARACTERISTICS
FIG. 6 TYPICAL JUNCTION CAPACITANCE
FIG. 5 MAXINUM NON-REPETITIVE
FOWARD SURGE CURRENT
JUNCTION CAP
ACIT
ANCE,(pF)
REVERSE VOLTAGE,(V)
PEAK FOR
W
ARD SURGE CURRENT
,(A)
NUMBER OF CYCLES AT 60Hz
FIG. 4 TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD VOLTAGE,(V)
INST
ANT
ANEOUS FOR
W
ARD CURRENT
, (A)