SF18 データシートの表示（PDF） - Semtech Electronics LTD.
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SF18 Datasheet PDF : 2 Pages
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SF11~SF18
REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
50
NONINDUCTIVE
10
NONINDUCTIVE
(+)
50Vdc
(appox)
(-)
DUT
1
NON
INDUCTIVE
(-)
PULSE
GENERATOR
(NOTE 2)
OSCILLOSCOPE
(NOTE 1)
(+)
NOTES:1. Rise Time=7ns max. Input Impedance=
1 megohm 22 pf
2. Rise Time=10ns max. Sourse Impedance=
50 ohms
+0.5A
0
-0.25A
-1.0A
trr
1cm
SET TIME BASE FOR
5/10ns/cm
Typical reverse characteristics
1000
100
TJ=100 C
10
TJ=25 C
1
Typical forward characteristics
100
TJ=25 C
Pulse width=300 s
1% duty cycle
10
SF11~SF14
SF15~SF16
1
SF17~SF18
0.1
0.1
0
40
80
120
Percent of rated peak reverse voltage, %
0.01
0.4
0.8
1.2
1.6
1.8
Forward voltage, V
Maximum non-repeitive
forward surge current
30
20
10
1
10
100
Number of cycles at 60Hz
Typical junction capacitance
175
125
75
SF11~SF14
25 SF15~SF18
0
0.1
1
10
100
Reverse voltage, V
1000
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
Dated : 13/05/2005 H
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