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®
TAK CHEONG
SEMICONDUCTOR
200mW SOD-323 SURFACE MOUNT
Small Outline Flat Lead Plastic Package
Zener Voltage Regulators
Green Product
Absolute Maximum Ratings TA = 25°C unless otherwise noted
Symbol
Parameter
Value
Units
PD Power Dissipation
200 mW
TSTG
Storage Temperature Range
-65 to +150
°C
TOPR
Operating Temperature Range
-65 to +150
°C
These ratings are limiting values above which the serviceability of the diode may be impaired.
SOD-323 Flat Lead
Specification Features:
ƒ Zener Voltage Range Selection, 2.4V to 36V
ƒ Flat Lead SOD-323 Small Outline Plastic Package
ƒ Surface Device Type Mounting
ƒ RoHS Compliant
ƒ Green EMC
ƒ Matte Tin(Sn) Lead Finish
ƒ Band Indicates Cathode
Cathode
Anode
ELECTRICAL SYMBOL
Electrical Characteristics
TA = 25°C unless otherwise noted
Device
Type
Device
Marking
VZ @ IZT
(Volts)
Min Max
IZT
(mA)
ZZT @ IZT
()
Max
UDZS2V4BW
D=
2.43
2.63
5
100
UDZS2V7BW
DΞ
2.69
2.91
5
110
UDZS3V0BW
D>
3.01
3.22
5
www.DataSUheDeZtS4U3V.c3oBmW
D<
3.32
3.53
5
120
120
UDZS3V6BW
D0
3.60
3.85
5
90
UDZS3V9BW
D1
3.89
4.16
5
90
UDZS4V3BW
D2
4.17
4.43
5
90
UDZS4V7BW
D3
4.55
4.75
5
80
UDZS5V1BW
D4
4.98
5.20
5
60
UDZS5V6BW
D5
5.49
5.73
5
40
UDZS6V2BW
D6
6.06
6.33
5
40
UDZS6V8BW
D7
6.65
6.93
5
30
UDZS7V5BW
D8
7.28
7.60
5
30
UDZS8V2BW
D9
8.02
8.36
5
30
UDZS9V1BW
DA
8.85
9.23
5
30
UDZS10VBW
DB
9.77 10.21
5
20
UDZS11VBW
DC
10.76
11.22
5
20
UDZS12VBW
DE
11.74
12.24
5
20
UDZS13VBW
DF
12.91
13.49
5
40
UDZS15VBW
DG
14.34
14.98
5
40
UDZS16VBW
DH
15.85
16.51
5
40
UDZS18VBW
DJ
17.56
18.35
5
50
IZK
(mA)
0.5
0.5
0.5
0.5
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
ZZK @ IZK
()
Max
1000
1000
1000
1000
600
600
600
500
500
300
150
75
75
75
90
150
150
150
160
190
190
220
IR @ VR
(µA)
Max
120
100
50
20
4.5
2.7
2.7
2.7
1.8
0.9
2.7
1.8
0.9
0.63
0.45
0.18
0.09
0.09
0.09
0.045
0.045
0.045
VR
(Volts)
1
1
1
1
1
1
1
2
2
2
4
4
5
5
6
7
8
8
8
10.5
11.2
12.6
May 2008 Release, Revision B
Page 1

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®
TAK CHEONG
SEMICONDUCTOR
Electrical Characteristics
Device
Type
Device
Marking
TA = 25°C unless otherwise noted
VZ @ IZT
(Volts)
Min Max
IZT
(mA)
ZZT @ IZT
()
Max
IZK
(mA)
ZZK @ IZK
()
Max
IR @ VR
(µA)
Max
VR
(Volts)
UDZS20VBW
UDZS22VBW
UDZS24VBW
UDZS27VBW
UDZS30VBW
UDZS33VBW
UDZS36VBW
DK
DL
DM
DN
DP
DR
DS
19.52
21.54
23.72
26.19
29.19
32.15
35.07
20.39
22.47
24.78
27.53
30.69
33.79
36.87
5
5
5
5
5
5
5
60 1 220
80 1 240
80 1 240
100 0.5 300
100 0.5 300
100 0.5 310
100 0.5 330
0.045
0.045
0.045
0.045
0.045
0.045
0.045
14.0
15.4
16.8
18.9
21.0
23.0
25.2
VF Forward Voltage = 1 V Maximum @ IF = 10 mA for all types
Notes:
1.
2.
3.
The Zener Voltage (VZ) is tested under pulse condition of 10mS.
For detailed information on price, availability and delivery of nominal zener voltages between the voltages shown and tighter
voltage tolerances, contact your nearest Tak Cheong Electronics representative.
The zener impedance is derived from the 60-cycle ac voltage, which results when an ac current having an rms value equal to
10% of the dc zener current (IZT or IZK) is superimposed to IZT or IZK.
www.DataSheet4U.com
May 2008 Release, Revision B
Page 2

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®
TAK CHEONG
SOD-323 Package Outline
SEMICONDUCTOR
NOTE: The above package outline is similar to JEITA SC-90.
www.DataSheet4U.com
This datasheet presents technical data of Tak Cheong’s Zener Diodes. Complete specifications for the individual devices are
provided in the form of datasheets. A comprehensive Selector Guide is included to simplify the task of choosing the best set of
components required for a specific application. For additional information, please visit our website http://www.takcheong.com.
Although information in this datasheet has been carefully checked, no responsibility for the inaccuracies can be assumed by Tak
Cheong. Please consult your nearest Tak Cheong’s sales office for further assistance.
Tak Cheong reserves the right to make changes without further notice to any products herein to further improve reliability,
function or design, cost and productivity.
TAK CHEONG ® and
are registered trademarks of Tak Cheong Electronics (Holdings) Co., Ltd.
May 2008 Release, Revision B
Page 3