IS 4570-8: Crystal Unit Holders, Part 8: Metal, Welded, Three Wire Crystal Unit Holders Type DK

8 Pages·1999·0.95 MB·English

by  Bureau of Indian Standards

इंटरनेट मानक
Disclosure to Promote the Right To Information
Whereas the Parliament of India has set out to provide a practical regime of right to
information for citizens to secure access to information under the control of public authorities,
in order to promote transparency and accountability in the working of every public authority,
and whereas the attached publication of the Bureau of Indian Standards is of particular interest
to the public, particularly disadvantaged communities and those engaged in the pursuit of
education and knowledge, the attached public safety standard is made available to promote the
timely dissemination of this information in an accurate manner to the public.
“जान1 का अ+धकार, जी1 का अ+धकार” “प0रा1 को छोड न’ 5 तरफ”
Mazdoor Kisan Shakti Sangathan Jawaharlal Nehru
“The Right to Information, The Right to Live” “Step Out From the Old to the New”
IS 4570-8 (1999): Crystal Unit Holders, Part 8: Metal,
Welded, Three Wire Crystal Unit Holders Type DK [LITD 5:
Semiconductor and Other Electronic Components and Devices]
“!ान $ एक न’ भारत का +नम-ण”
Satyanarayan Gangaram Pitroda
““IInnvveenntt aa NNeeww IInnddiiaa UUssiinngg KKnnoowwlleeddggee””
“!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै”
Bhartṛhari—Nītiśatakam
“Knowledge is such a treasure which cannot be stolen”

IS 4570 ( Part 8 ) : 1999
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Indian Standard
SPECIFICATIONFORCRYSTALUNITHOLDERS
PART 8 METAL, WELDED, THREE WIRE CRYSTAL UNIT HOLDERS TYPE DK
( First Revision )
ICS 31.140

0 BIS 1999

BUREAU OF INDIAN STANDARDS
MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG
NEW DELHI 110002
October 1999 Price Group 1
cirtceleozeiP seciveD for ycneuqerF lortnoC dna noitceleS lanoitceS ,eettimmoC DTL 12
DROWEROF
sihT naidnI dradnatS (Part 8) tsriF( )noisiveR was adopted yb the uaeruB of naidnI ,sdradnatS after the draft
dezilanif yb the cirtceleozeiP seciveD for ycneuqerF lortnoC dna noitceleS lanoitceS eettimmoC had neeb
devorppa yb the scinortcelE dna noitacinummoceleT noisiviD .licnuoC
ehT evitcejbo of siht dradnats si ot yficeps the eniltuo ,snoisnemid nip gnicaps dna tnemngila eguag for latsyrc
tinu redloh of epyt .KD
sihT naidnI dradnatS si ylegral desab no Sheet 28 of CEI 3-221 (1977), htiw tnemdnemA No. 2 (1991), ztrauQ‘
latsyrc stinu for ycneuqerf lortnoc dna traP-noitceles :3 dradnatS seniltuo dna nip ’snoitcennoc deussi yb the
lanoitanretnI lacinhcetortcelE noissimmoC .)CEI(
ehT noisiver has neeb nekatrednu ot ngila siht dradnats htiw the tsetal lanoitanretni ,secitcarp dna secnarelot of
,snoisnemid hcihw do ton effect the ,ytilibaecalper evah neeb .deteled
roF the esoprup of gnidiced whether a ralucitrap tnemeriuqer of siht dradnats si deilpmoc ,htiw the lanif ,eulav
devresbo or ,detaluclac gnisserpxe the tluser of a test or ,sisylana llahs eb dednuor off ni ecnadrocca htiw
SI 2 : 1960 seluR‘ for gnidnuor off laciremun seulav .‘)desiver( ehT rebmun of tnacifingis secalp
deniater ni the dednuor off eulav dluohs eb the emas as that of the deificeps eulav ni siht .dradnats
IS 4570 ( Part 8 ) : 1999
Indian Standard
NOITACIFICEPS ROF LATSYRC TINU SREDLOH
PART 8 METAL, WELDED, THREE WIRE CRY-STAL UNIT HOLDERS TYPE DK
First revision )
(
1 SCOPE Table 1 Dimensions
(Clause 4.1)
1.1 sihT dradnats (Part 8) srevoc ,latem ,dedlew three
eriw latsyrc tinu redloh epyT KD dednetni for esu ni Ref Millimetres Notes
cinortcele .tnempiuqe I 7
Min Nom MU
2 ECNEREFER ‘A’ (-2 ) (-3 ) 10(4.7)0 (5)
2.1 ehT gniwollof naidnI dradnatS si a yrassecen 2 - 68..6500
tcnujda ot siht :dradnats H 4.83 5.0s 5.33
K 0.40 - 0.48
SI No. Title L 12.70 -
4570 (Part 1) : noitacificepS for latsyrc tinu ; 1 5 0o.;9o5 2’
1983 :sredloh Part 1 lareneG -eriuqer NOTES
stnem dna tests tsrif( )noisiver 1 Wire number 3 is grounded to case (see Fig. 1).
2 The tag’s position or presence is optional.
3 EPYT NOITANGISED
3.1 ehT ,latem ,dedlew three eriw latsyrc tinu sredloh 5 MATERIALS, CONSTRUCTION AND
derevoc ni siht dradnats llahs eb detangised as ,latem WORKMAN SHIP
,dedlew three eriw latsyrc tinu redloh epyt DK.
5.1 Sect5 SI-fO 4570 (Part 1).
4 OUTLINE AND DIMENSIONS
6 MARKING
4.1 ehT eniltuo dna snoisnemid llahs eb gnidrocca ot
.giF 1 dna elbaT 1. 6.1 See 6 of SI 4570 (Part .)1
NOTE-The crystal unit outlin e may be manufactured in either
‘cold-welded’ or ‘resistence-welded’ form and aredistinguished 7 TESTS

by letter ‘C’ for the cold-welded or the letter ‘R’ for the
resistance-welded form by adding the letter at the end of the type 7.1 See 7 of SI 4570 (Part .)1
code (for example, DKC or DKR).
IS 4570 ( Part 8 ) : 1999
I Actual size I
Nota 1
FIG. 1 OUTLINEO F CRYSTALU NIT HOLDERS
Bureau of Indian Standards
SIB si a yrotutats noitutitsni dehsilbatse rednu the Bureau of Itkzn Standards Act, 1986 ot etomorp
suoinomrah tnempoleved of the seitivitca of ,noitazidradnats nikram g dna ytilauq noitacifitrec of goods
dna gnidnetta ot detcennoc srettam ni the .yrtnuoc
Copyright
SIB has the thgirypoc of lla sti .snoitacilbup No part of these snoitacilbup yam eb decudorper ni yna mrof
tuohtiw the roirp noissimrep ni nitirw g of .SIB sihT does ton edulcerp the free ,esu ni the esruoc of
gnitnemelpmi the ,dradnats of yrassecen ,sliated hcus as slobmys dna ,sezis epyt or grade .snoitangised
seiriuqnE gnitaler ot thgirypoc eb addressed ot the rotceriD ,)snoitacilbuP( .SIB
Review of Indian Standards
stnemdnemA are deussi ot sdradnats as the deen sesira no the sisab of .stnemmoc sdradnatS are osla
deweiver ;yllacidoirep a dradnats nola g htiw stnemdnema si demriffaer nehw hcus weiver setacidni that
on segnahc are ;dedeen fi the weiver setacidni that segnahc are ,dedeen ti si nekat pu for .noisiver sresU
of naidnI sdradnatS dluohs niatrecsa that yeht are ni noissessop of the tsetal stnemdnema or noitide yb
gnirrefer ot the tsetal eussi of SIB‘ ’koobdnaH dna :sdradnatS‘ ylhtnoM .’snoitiddA
sihT naidnI dradnatS has neeb depoleved morf Dot : No. DTL 12 ( 1703 ).
Amendments Issued Since Publication
dnemA No. Date of eussI txeT detceffA
UAERUB FO NAIDNI SDRADNATS
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