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SMA4737 Datasheet(PDF) 3 Page - SeCoS Halbleitertechnologie GmbH

Part # SMA4737
Description  1.0 Watts Surface Mount Zener Diode
Download  4 Pages
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Manufacturer  SECOS [SeCoS Halbleitertechnologie GmbH]
Direct Link  http://www.secosgmbh.com
Logo SECOS - SeCoS Halbleitertechnologie GmbH

SMA4737 Datasheet(HTML) 3 Page - SeCoS Halbleitertechnologie GmbH

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+12
+10
+8.0
+6.0
+4.0
+2.0
0
-2.0
-4.0
2
3
4
5 6
7
8
9 10 11 12
100
70
50
30
20
10
7.0
5.0
3.0
2.0
1.0
10
20
30
50
70
100
1.25
0.75
0.5
0.25
1.0
0
0 20 40 60 80 100 120 140 160 180 200
175
150
125
100
75
50
25
0
20mA
+6
+4
+2
0
-0.2
-0.4
3
4
5
6
7
8
FIG 1. POWER TEMPERATURE DERATING CURVE
FIG 2. TEMPERATURE COFFICIENTS
(-55
oC TO +150oC TEMPERATURE RANGE; 90%OF THE UNITS ARE IN RANGES INDICATED.)
FIG 3. TYPICAL THERMAL RESISTANCE
VERSUS LEAD LENGTH
FIG 4. EFFECT OF ZENER CURRENT
VZ, ZENER VOLTAGE (VOLTS)
VZ, ZENER VOLTAGE (VOLTS)
VZ, ZENER VOLTAGE (VOLTS)
TL, LEAD TEMPERATIRE
L, LEAD LENGTH TO HEAT SINK (INCKES)
NOTE: BELOW 3 VOLTS AND ABOVE 8
CHANGES IN ZENER CURRENT
DO AFFECT TRMPERATURE
0.01mA
1.0mA
Vz@IZT
TA = 25
oC
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
RANGE
VZ@IZT
RANGE
VZ@IZT
L = LEAD LENTGH TO
HEAT SINK
Elektronische Bauelemente
SMA4735 THRU SMA4764
VOLTAGE 6.2V ~ 100V
1.0 Watts Surface Mount Zener Diode
http://www.SeCoSGmbH.com/
Any changing of specification will not be informed individual
05-Nov-2007 Rev. C
Page 3 of 4


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