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Parts and components for electronics

Case resonator MD (NS-49)


This brand has modifications - select them below after reading annotation and detailed description

Explanation/Annotation:

In the manufacture of crystal resonators. Analogue on classification of IEC-DP. analogue on U. S. A. classification - ÍÑ-49.

Detailed model description:

The body consists of ground of oval form by the length not more 11, 50 MM, width not more than 5, 30 MM and oval case. 2 insulated conclusion length not more 13, 20 MM (if the length additionally is not specified in ñïå- öèôèêàöèè), and diameter 0, 45 MM align themselves on axis of gravity îñíî- âàíèÿ with wire spacing 4, 90 MM . The short part of conclusions îñ- íîâàíèÿ is molded as a piezoelectric elements holder, from height êîòî- paradise depends on design of body. The housing height in due is not in excess of 13, 50 MM for body with high contacts and 3, 60 MM for body with low contacts. materials: ground - 10 ÊÏ-Í-1-1, 5 Gosts 503-81 conclusion - 29 Tax Codes Gost 14081-78 case - 08Þ-ÎÂÃ-0, 25 technical specifications 14-4-151-82 pellet - glass with 52-1 OST 11 027. 010-75 contact - ÄÏÐÏÏ 0, 1 ÍÏ2 NB of Gost 2170-73 compensation - emergency ration, chemical. Emergency ration Gost 21931-76 leak-tightness showing of body - 5 on leakage rate of helium, kh l of micrometre. Hg column. /ñ, not more than 5 kh 10 the insulation resistance, m, no less than 100 the tolerance for climatic influences on ÊÞßË 430300. 001 technical specification. the body is supplied on ÊÞßË 430300. 001 technical specification.

  Detailed modification description
NNModification marking
Inter
Nat.		Near-Earth space code of ground near-Earth space code of case number of design and development documentation of ground number of design and development documentation of case contact height, MM, no less than conclusions length, MM, no less than housing height in assembly, MM, no less than
1 N 2
N 2		637400 637400 ÊÞßË. 031 ÊÞßË. 003 8, 00 13, 20 13, 50
2 N 3
N 3		637400 6374001721 ÊÞßË 432264. 036 ÊÞßË 757619. 001 without contact 13, 20 3, 60