SMA4764 データシートの表示（PDF） - Secos Corporation.
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SMA4764 Datasheet PDF : 4 Pages
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Elektronische Bauelemente
SMA4735 THRU SMA4764
VOLTAGE 6.2V ~ 100V
1.0 Watts Surface Mount Zener Diode
FIG 5. MAXIMUM SURGE POWER
100
70
50
5% DUTY CYCLE
30
20
10
10% DUTY CYCLE
7.0
5.0
3.0
20% DUTY CYCLE
2.0
1.0
0.01 0.02
0.05 0.1 0.2
11V-91V NON-REPETITIVE
0.8V-10V NON-REPETITIVE
0.5 1.0 2.0
5.0 10 20
PW, PULSE WIDTH
This graphr epresents 90 percentile date point
For worse-case design characteristics, multiply surge power by 2/3
RECTANGULAR WAVEFORM
TJ = 25oC PRIOR TO INITIAL
PULSE
50 100 200 500
FIG 6. EFFECT OF ZENER CURRENT ON
ZENER IMPEDANCE
1000
500
200
100
50
20
10
5.0
2.0
1.0
0.1 0.2
0.5 1.0 2.0
TJ = 25oC
Iz(ms)=0.1z(dc)
f = 60Hz
47V
27V
0.8V
5.0 10 20
50 100
Iz, ZENEER CURRENT (mA)
FIG 7. EFFECT OF ZENER VOLTAGE ON
ZENER IMPEDANCE
1000
700
500
200
100
70
50
20
10
7.0
5.0
Iz = 1.0mA
5.0mA
20mA
2.0
1.0
1.0 2.0 3.0
TJ = 25oC
Iz(ms)=0.1z(dc)
f = 60Hz
5.0 7.0 10 20 30 50 70 100
Iz, ZENEER CURRENT (mA)
http://www.SeCoSGmbH.com/
05-Nov-2007 Rev. C
Any changing of specification will not be informed individual
Page 4 of 4
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