UMZ12N
Diodes
Zener diode
UMZ12N
Application
Voltage regulation
(Anode common twin type)
Features
1) Small mold type. (UMD3)
2) High reliability.
Structure
Silicon epitaxial planar
Absolute maximum ratings
(Ta=25 C)
Parameter
Power dissipation (*1)
Junction temperature
Storage temperature
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(*1)Total of 2 elements
Electrical characteristics
(Ta=25 C)
Parameter
Symbol
V
Z
Zener voltge
I
R
Reverse current
Forwad operating resistance
Rising operating resistance
Z
Z
Z
Zk
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External dimensions
(Unit : mm)
Lead size figure
(Unit : mm)
Each lead has same dimension
Structure
Taping dimensions
(Unit : mm)
R
Symbol
P
Tj
Tstg
Limits
200
150
-55 to +150
Unit
mW
Min.
11.0
-
-
-
Typ.
-
-
-
-
Max.
13.0
0.10
30
80
Unit
V
μA
Conditions
I
Z
=5mA
V
R
=9V
I
Z
=5mA
I
Z
=0.5mA
Rev.B
1/2
UMZ12N
Diodes
Electrical characteristic curves
(Ta=25 C)
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Rev.B
2/2
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Datasheet
Notice
Precaution on using ROHM Products
1.
Our Products are designed and manufactured for application in ordinary electronic equipments (such as AV equipment,
OA equipment, telecommunication equipment, home electronic appliances, amusement equipment, etc.). If you
(Note 1)
, transport
intend to use our Products in devices requiring extremely high reliability (such as medical equipment
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serious damage to property (“Specific Applications”), please consult with the ROHM sales representative in advance.
Unless otherwise agreed in writing by ROHM in advance, ROHM shall not be in any way responsible or liable for any
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(Note1) Medical Equipment Classification of the Specific Applications
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USA
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[a] Installation of protection circuits or other protective devices to improve system safety
[b] Installation of redundant circuits to reduce the impact of single or multiple circuit failure
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[c] Use of our Products in places where the Products are exposed to sea wind or corrosive gases, including Cl
2
,
H
2
S, NH
3
, SO
2
, and NO
2
[d] Use of our Products in places where the Products are exposed to static electricity or electromagnetic waves
[e] Use of our Products in proximity to heat-producing components, plastic cords, or other flammable items
[f] Sealing or coating our Products with resin or other coating materials
[g] Use of our Products without cleaning residue of flux (even if you use no-clean type fluxes, cleaning residue of
flux is recommended); or Washing our Products by using water or water-soluble cleaning agents for cleaning
residue after soldering
[h] Use of the Products in places subject to dew condensation
3.
5.
6.
Please verify and confirm characteristics of the final or mounted products in using the Products.
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In particular, if a transient load (a large amount of load applied in a short period of time, such as pulse. is applied,
confirmation of performance characteristics after on-board mounting is strongly recommended. Avoid applying power
exceeding normal rated power; exceeding the power rating under steady-state loading condition may negatively affect
product performance and reliability.
7.
De-rate Power Dissipation (Pd) depending on Ambient temperature (Ta). When used in sealed area, confirm the actual
ambient temperature.
Confirm that operation temperature is within the specified range described in the product specification.
ROHM shall not be in any way responsible or liable for failure induced under deviant condition from what is defined in
this document.
8.
9.
Precaution for Mounting / Circuit board design
1.
2.
When a highly active halogenous (chlorine, bromine, etc.) flux is used, the residue of flux may negatively affect product
performance and reliability.
In principle, the reflow soldering method must be used on a surface-mount products, the flow soldering method must
be used on a through hole mount products. If the flow soldering method is preferred on a surface-mount products,
please consult with the ROHM representative in advance.
For details, please refer to ROHM Mounting specification
Notice-PGA-E
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4.
The Products are not subject to radiation-proof design.
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Rev.001
Datasheet
Precautions Regarding Application Examples and External Circuits
1.
If change is made to the constant of an external circuit, please allow a sufficient margin considering variations of the
characteristics of the Products and external components, including transient characteristics, as well as static
characteristics.
You agree that application notes, reference designs, and associated data and information contained in this document
are presented only as guidance for Products use. Therefore, in case you use such information, you are solely
responsible for it and you must exercise your own independent verification and judgment in the use of such information
contained in this document. ROHM shall not be in any way responsible or liable for any damages, expenses or losses
incurred by you or third parties arising from the use of such information.
2.
Precaution for Electrostatic
Precaution for Storage / Transportation
1.
Product performance and soldered connections may deteriorate if the Products are stored in the places where:
[a] the Products are exposed to sea winds or corrosive gases, including Cl2, H2S, NH3, SO2, and NO2
[b] the temperature or humidity exceeds those recommended by ROHM
[c] the Products are exposed to direct sunshine or condensation
[d] the Products are exposed to high Electrostatic
Even under ROHM recommended storage condition, solderability of products out of recommended storage time period
may be degraded. It is strongly recommended to confirm solderability before using Products of which storage time is
exceeding the recommended storage time period.
Store / transport cartons in the correct direction, which is indicated on a carton with a symbol. Otherwise bent leads
may occur due to excessive stress applied when dropping of a carton.
Use Products within the specified time after opening a humidity barrier bag. Baking is required before using Products of
which storage time is exceeding the recommended storage time period.
2.
3.
4.
Precaution for Product Label
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2.
3.
Other Precaution
1.
2.
3.
4.
Notice-PGA-E
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Precaution Regarding Intellectual Property Rights
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This Product is electrostatic sensitive product, which may be damaged due to electrostatic discharge. Please take proper
caution in your manufacturing process and storage so that voltage exceeding the Products maximum rating will not be
applied to Products. Please take special care under dry condition (e.g. Grounding of human body / equipment / solder iron,
isolation from charged objects, setting of Ionizer, friction prevention and temperature / humidity control).
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Rev.001
Datasheet
General Precaution
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3.
The information contained in this doc ument is provi ded on an “as is” basis and ROHM does not warrant that all
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liable for an y damages, expenses or losses incurred b y you or third parties resulting from inaccur acy or errors of or
concerning such information.
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Notice – WE
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Rev.001
© 2015 ROHM Co., Ltd. All rights reserved.
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