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Электронный компонент: 1N4942

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LESHAN RADIO COMPANY, LTD.
37A1/2
FAST GPP DIODES
1N4942
1N4944
1N4946
1N4947
1N4948
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
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
1N4942 1N4948
75
25
5.0
1.0
1.3
150
150
250
250
500
DO 41
DO 41
.107(2.7)
DIA
.080(2.0)
1.0(25.4)
MIN
.205(5.2)
.166(4.2)
.034(0.9)
DIA
.028(0.7)
1.0(25.4)
MIN
LESHAN RADIO COMPANY, LTD.
37A2/2
1N4942-1N4948
G P P
RATING & CHARACTERISTIC CURVES OF FAST GPP DIODE
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
25
50
75
100
125
150
175
1.25
1.00
0.75
0.50
0.25
0
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
0
20
40
60
80
100
120
140
20
10
1.0
.1
.01
T
J
=50C
T
J
=25C
8.3ms Single Half Sine-Wave
(JEDEC Method)
1
5
10
50
100
50
40
30
20
10
0
.4
.6
.8
1.0
1.2
1.4
1.6
100
10
1.0
0
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)
T
J
=150C