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Dated : 23/06/2007
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
AMBIENT TEMPERATURE( C)
500
0
40
400
300
200
100
600
80
120
160
o
=5mm
P.C Board
7mm
t=0.035
200
RD130E to RD200E
P - Ta Rating
RD2V0E…RD200E
TYP
Ta=25 C
RD120E
RD2.0E
RD20E
RD4.7E
RD3.9E
10
0.01
1
Iz - Zener Current - mA
RD5.6E
0.1
1
RD51E
RD100E
RD15E
DYNAMIC IMPEDANCE vs.
ZENER CURRENT
1000
10
100
RD10E
RD91E
RD7.5E
RD39E
RD2.0E
RD3.3E
100
to
RD190E
Iz - Zener Current -mA
RD150E
0.01
10
1000
100
0.1
RD140E
RD130E
1
10
RD160E
RD170E
RD180E
TYP.
Ta=25 C
RD130E to RD200E
DYNAMIC IMPEDANCE vs.
ZENER CURRENT
10000
RD200E
0
200
100
300
400
500
600
7mm
t=0.035
P.C Board
o
AMBIENT TEMPERATURE( C)
RD2.0E to RD120E
=10mm
80
40
3 mm
t=0.035
P.C Board
120
P - Ta Rating
=10mm
=5mm
160
200
200
300
400
500
600
0
100
S - SIZE OF P.C BOARD - MM
THERMAL RESISTANCE vs.
SIZE OF P. C BOARD
=5mm
20
40
60
=10mm
P.C Board
100
2
80
100
0
300
200
Junction to ambient
RD2.0E to RD120E
600
500
400
Junction to ambient
RD130E to RD200E
S - SIZE OF P.C BOARD - MM
=5mm
20
40
60
80
THERMAL RESISTANCE vs.
SIZE OF P. C BOARD
P.C Board
100
2