UDZS Series
Diodes
1/3
Zener diode
UDZS Series
zA pplications
Constant voltage control
zFeatures
1) Compact, 2-pin mini-mold type for high-density
mounting. (UMD 2)
2) Non-wire bon ding structure improves .
3) High demand voltage range (3.6V -36V) is
manufactured on high-ef ficient non-w ire bonding
production line.
zConstruction
Silicon epitaxial planar
zExternal dimensions (Unit : mm)
ROHM : UMD2
EIAJ : SC-76
JEDEC : SOD-323
(All leads have the same dimensions.)
−0.1
+0.2
0.7
+0.1
−0.05
0.1
* Type No. stamped on body in digital marking.
2.5±0.2
1.7±0.1
1.25±0.1
CATHODE MARK
0.3±0.05
zA bsolute maximum ratings (Ta=25°C)
Parameter
200
125
−55 to +150
−55 to +150
mWP
Tj
Tstg
Topr
Symbol Limits Unit
°C
°C
°C
Power dissipation
Junction temperature
Storage temperature
Operating temperature
zMarkings (T ype No.)
A2
(Ex.) UDZS 5.1B
Product name Type No. Product name Type No. Product name Type No.
C2
55
E2
65
F2
75
H2
85
J2
95
L2
A5
62
5
C5
72
15
E5
82
25
F5
92
35
A2
45
UDZS 3.6B
UDZS 3.9B
UDZS 4.3B
UDZS 4.7B
UDZS 5.1B
UDZS 5.6B
UDZS 6.2B
UDZS 6.8B
UDZS 7.5B
UDZS 8.2B
UDZS 9.1B
UDZS 10B
UDZS 11B
UDZS 12B
UDZS 13B
UDZS 15B
UDZS 16B
UDZS 18B
UDZS 20B
UDZS 22B
UDZS 24B
UDZS 27B
UDZS 30B
UDZS 33B
UDZS 36B
0
−
−
−
−
UDZS Series
Diodes
2/3
zElectrical characteristics (Ta=25°C)
Notes) 1. The Zener voltage (V
z
) is measured 40ms after power is supplied.
2. The operating resistances (Z
z
, Z
zk
) are measured by superimposing a minute alternating current on the regulated current (I
z
).
3.600 3.845 5 100 5 1000 1.0 10 1.0
3.890 4.160 5 100 5 1000 1.0 5 1.0
4.170 4.430 5 100 5 1000 1.0 5 1.0
4.550 4.750 5 100 5 800 0.5 2 1.0
4.980 5.200 5 80 5 500 0.5 2 1.5
5.490 5.730 5 60 5 200 0.5 1 2.5
6.060 6.330 5 60 5 100 0.5 1 3.0
Type V
Z
(V) I
Z
(mA)
I
Z
(mA) I
Z
V
R
(V)
6.650 6.930 5 40 5 60 0.5 0.5 3.5
7.280 7.600 5 30 5 60 0.5 0.5 4.0
8.020 8.360 5 30 5 60 0.5 0.5 5.0
8.850 9.230 5 30 5 60 0.5 0.5 6.0
9.770 10.210 5 30 5 60 0.5 0.1 7.0
10.760 11.220 5 30 5 60 0.5 0.1 8.0
11.740 12.240 5 30 5 80 0.5 0.1 9.0
12.910 13.490 5 37 5 80 0.5 0.1 10.0
14.340 14.980 5 42 5 80 0.5 0.1 11.0
15.850 16.510 5 50 5 80 0.5 0.1 12.0
17.560 18.350 5 65 5 80 0.5 0.1 13.0
19.520 20.390 5 85 5 100 0.5 0.1 15.0
21.540 22.470 5 100 5 100 0.5 0.1 17.0
23.720 24.780 5 120 5 120 0.5 0.1
26.190 27.530 5 150 5 150 0.5 0.1 21.0
29.190 30.690 5 200 5 200 0.5 0.1 23.0
32.150 33.790 5 250 5 250 0.5 0.1 25.0
35.070 36.870 5 300 5 300 0.5 0.1 27.0
UDZS 3.6B
UDZS 3.9B
UDZS 4.3B
UDZS 4.7B
UDZS 5.1B
UDZS 5.6B
UDZS 6.2B
UDZS 6.8B
UDZS 7.5B
UDZS 8.2B
UDZS 9.1B
UDZS 10B
UDZS 11B
UDZS 12B
UDZS 13B
UDZS 15B
UDZS 16B
UDZS 18B
UDZS 20B
UDZS 22B
UDZS 24B
UDZS 27B
UDZS 30B
UDZS 33B
UDZS 36B
19.0
Z
Z
(Ω)Z
zk
(Ω)I
R
(µA)
Min. Max. Max. Max. Max.
(mA)
Zener voltage Operating
resistance Rising operating
resistance Reverse current
UDZS Series
Diodes
3/3
zElectrical characteristic curves (Ta=25°C)
Fig.1 Zener voltage characteristics
6.2
6.8
7.5
8.2
9.1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
0
10n
100n
1µ
10µ
100
µ
1µ
10µ
100µ
5 10152025303540
5.6
5.1
3.6 3.9
4.3
4.7
ZENER CURRENT : I
Z
(A)
ZENER VOLTAGE : V
Z
(V)
300
200
100
005025 100 150
POWER DISSIPATION : Pd (mW)
AMBIENT TEMPERATURE : Ta (°C)
Fig.2 Derating curve
Fig.3 Zener voltage-temp.
coefficient characteristics
−0.08
−0.06
−0.04
−0.02
0.00
0.02
0.04
0.06
0.08
0.10
Iz=5mA Iz=500µA
210 20 30
ZENER VOLTAGE : Vz (V)
TEMP. COEFFICIENT CHARACTERISTICS (% / °C)
zMakeup of the p art number
• Please fo llow the part number designation when the orde r is placed.
• Fill in from the left, leaving any extra boxes empty on the right.
• Please refer packing specification about packing form.
zZener diodes
Example)
Part number Packaging configuration
UDZ TE−17 . 0B
Zener voltage Subdivision
2
Appendix
Appendix1-Rev1.0
The products listed in this document are designed to be used with ordinary electronic equipment or devices
(such as audio visual equipment, office-automation equipment, communications devices, electrical
appliances and electronic toys).
Should you intend to use these products with equipment or devices which require an extremely high level of
reliability and the malfunction of with would directly endanger human life (such as medical instruments,
transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other
safety devices), please be sure to consult with our sales representative in advance.
Notes
No technical content pages of this document may be reproduced in any form or transmitted by any
means without prior permission of ROHM CO.,LTD.
The contents described herein are subject to change without notice. The specifications for the
product described in this document are for reference only. Upon actual use, therefore, please request
that specifications to be separately delivered.
Application circuit diagrams and circuit constants contained herein are shown as examples of standard
use and operation. Please pay careful attention to the peripheral conditions when designing circuits
and deciding upon circuit constants in the set.
Any data, including, but not limited to application circuit diagrams information, described herein
are intended only as illustrations of such devices and not as the specifications for such devices. ROHM
CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any
third party's intellectual property rights or other proprietary rights, and further, assumes no liability of
whatsoever nature in the event of any such infringement, or arising from or connected with or related
to the use of such devices.
Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or
otherwise dispose of the same, no express or implied right or license to practice or commercially
exploit any intellectual property rights or other proprietary rights owned or controlled by
ROHM CO., LTD. is granted to any such buyer.
Products listed in this document use silicon as a basic material.
Products listed in this document are no antiradiation design.
About Export Control Order in Japan
Products described herein are the objects of controlled goods in Annex 1 (Item 16) of Export Trade Control
Order in Japan.
In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause)
on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction.
