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| 型號： | 121685-0034 |
| 廠商： | ITT CANNON |
| 元件分類： | 電路板相疊連接器 |
| 英文描述： | 50 CONTACT(S), FEMALE, TWO PART BOARD CONNECTOR, IDC, SOCKET |
| 文件頁數(shù)： | 3/11頁 |
| 文件大?。?/td> | 3281K |
| 代理商： | 121685-0034 |
MSMC
Microminiature Surface Mount Connectors
www.ittcannon.com
Dimensions are shown in mm (inch)
Dimensions subject to change
11
Cannon
THIS NOTE SHOULD BE READ IN CON-
JUNCTION WITH THE PRODUCT DATA SHEET/
CATALOGUE. FAILURE TO OBSERVE THE
ADVICE IN THIS INFORMATION SHEET AND
THE OPERATING CONDITIONS SPECIFIED IN
THE PRODUCT DATA SHEET/C ATALOGUE
COULD RESULT IN HAZARDOUS SITUATIONS.
1. MATERIAL CONTENT AND PHYSICAL FORM
Electrical connectors do not usually contain haz-
ardous materials. They contain conducting and
non-conducting materials and can be divided into
two groups.
a) Printed circuit types and low cost audio types
which employ all plastic insulators and casings.
b) Rugged, Fire Barrier and High Reliability types
with metal casings and either natural rubber, syn-
thetic rubber, plastic or glass insulating materials.
Contact materials vary with type of connector and
also application and are usually manufactured
from either copper, copper alloys, nickel, alumel,
chromel or steel. In special applications, other
alloys may be specified.
2. FIRE CHARACTERISTICS AND ELECTRICA L
SHOCK HAZARD
There is no fire hazard when the connector is cor-
rectly wired and used within the specified param-
eters. Incorrect wiring or assembly of the connec-
tor or careless use of metal tools or conductive
fluids, or transit damage to any of the component
parts may cause electric shock or burns. Live cir-
cuits must not be brokenby separatingmatedcon-
nectors as this may cause arcing, ionisation and
burning.
Heat dissipation is greater at maximumresistance
in a circuit. Hot spots may occur when resistance
is raised locally by damage, e.g. cracked or de-
formedcontacts, brokenstrands of wire. Local over-
heating may also result from the use of the incor-
rect applicationtools or frompoor quality soldering
or slack screw terminals. Overheating may occur
if the ratings in the Product Data Sheet/Catalogue
are exceeded and can cause breakdown of insula-
tion and hence electric shock.
Product Safety Information
3. HANDLING
Care must be taken to avoid damage to any com-
ponent parts of electrical connectors during
installation and use. Although there are normally
nosharpedges, care must be takenwhenhandling
certain components to avoid injury to fingers.
Electrical connectors may be damaged in transit
to the customers, and damage may result in
creation of hazards. Products should therefore be
examined prior to installation/use and rejected
if found to be damaged.
4. DISPOSAL
Incineration of certain materials may release
noxious or even toxic fumes.
5. APPLIC ATION
Connectors with exposed contacts should not be
selected for use on the current supply side of an
electrical circuit, because an electric shock could
result from touching exposed contacts on an
unmated connector. Voltages in excess of 30 V ac
or 42.5 V dc are potentially hazardous and care
should be taken to ensure that such voltages can
not be transmitted in any way to exposed metal
parts of the connector body. The connector and
wiring should be checked, before making live, to
have no damage to metal parts or insulators, no
solder blobs, loose strands, conducting lubricants,
swarf, or any other undersiredconductingparticles.
Insulation resistance should be checked to make
certain that no low resistance joints or spurious
conductingpathare existingbetweencontacts and
exposed metal parts of the connector body. If
heating is allowed to continue it intensifies by
further increasing the local resistance through loss
of temper of spring contacts, formation of oxide
film on contacts and wires, and leakage currents
through carbonisation of insulation and t racking
paths. Fire can then result in the presence of
combustiblematerials andthis may releasenoxious
fumes.
Overheating may not be visually apparent. Burns
may result fromtouchingoverheatedcomponents.
Always use the correct application tools as speci-
fied in the Data Sheet/Catalogue.
Do not permit untrained personnel to wire,
assemble or tamper with connectors.
For operation voltage please see appropriate
national regulations.
IMPORTANT GENERAL INFORMATION.
1.Air and creepage paths/Operating voltage.The
admissible operating voltages depend on the
individual applications and the valid national and
other appli cable safety regulations. For this
reason the air and creepage path data are only
reference values. Observe reduction of air and
creepage paths due to PC board and/or harnes-
sing.
2 Temperature
All information given are temperature limits. The
operation temperature depends on the individual
application.
3. Other important information Cannon con-
tinuously endeavours to improve their products.
Therefore, Cannon products may, deviate romthe
description, technical data and shape as shown
in this catalogue and data sheets.
4. Harnessing and Assembly Instructions If appli-
cable, our special harnessing and/or assembly
instruction has to be adhered to.
This is provided at request.Further the contact re-
sistance of the connectors should be measured
within the electrical circuit in order to identify
highresistances which result in excessive connec-
tor heating.
ITT Cannon, a division of ITT Industries, Inc. manufactures the highest quality products available in the marketplace;
however these products are intended to be used in accordance with the specifications in this publication. Any use or
application that deviates fromstated operating specifications is not recommended and may be unsafe. No information and
data contained in this publication shall be construed to create any liability on the part of Cannon. Any new issue of this
publication shall automatically invalidate and supersede any and all previous issues. A limited warranty applies to
Cannon products. Except for obligations assumed by Cannon under this warranty, Cannon shall not be liable for
any loss, damage, cost of repairs, incidental or consequential damages of any kind, whether or not based on
express or impliedwarranty ,contract, negligenceor strict liability arisinginconnectionwiththedesign, manufacture,
sale, use or repair of the products.
Product availability, prices and delivery dates are exclusively subject to our respective
order confirmation form; the same applies to orders based on development samples delivered. This publication is not to be
construed as an offer. It is intended merely as an invitation to make an offer. By this publication, Cannon does not assume
responsibility or any liability for any patent infringements or other rights of third parties which may result from its use.
Reprinting this publication is generally permitted, indicating the source. However, Cannon's prior consent must be obtained
in all cases.
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