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GB/T 41036-2021General specification for super high-low temperature circular electrical connector for space applications (English PDF)

宇航用超高低温圆形电连接器通用规范

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 31, 2021

Implementation date

July 1, 2022

Scope

GB/T 41036-2021 is the English-translated version of 宇航用超高低温圆形电连接器通用规范.

GB/T 41036-2021 is the general specification for circular electrical connectors that must work at both very high and very low temperatures in space applications.

It covers the technical requirements, from materials, design and interchangeability to insulation and contact resistance, withstand voltage, air leakage, ultra-low temperature, kerosene leakage, temperature shock, damp heat, salt spray, vibration, shock, acceleration, thermal vacuum outgassing and irradiation resistance, and gives the inspection method for each.

It also sets the inspection rules, with qualification and quality consistency inspection, and the packaging, transport and storage of the connectors. It applies to their design, manufacture and inspection, and relies on the GB/T 2423 and GB/T 5095 test methods. It was issued on 31 December 2021 and has applied since 1 July 2022.

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Document preview — GB/T 41036-2021

National Standard of the People's Republic of China

ICS: 31.220.10
Classification: V 25

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
1 Scope
2 Normative references
3 Terms and Definitions
4 Technical requirements
4.1 General
4.2 Materials
4.3 Design Structure
4.4 Interchangeability
4.5 Insulation resistance
4.6 Contact resistance
4.7 Low-level contact resistance
4.8 Withstand voltage
4.9 Air leakage
4.10 Ultra-low temperature
4.11 Low temperature leakage
4.12 High temperature leakage
4.13 Kerosene Spill
4.14 Temperature shock
4.15 High temperature
4.16 Rain
4.17 Electrical continuity between enclosures
4.18 Alternating damp heat
4.19 Salt spray
4.20 Mechanical life
4.21 Vibration
4.22 Shock
4.23 Acceleration
4.24 Contact fixation
4.25 Insulation mounting plate fixation
4.26 Tensile strength of crimp ends
4.27 Contact separation force
4.28 Compatibility
4.29 Mold
4.30 Thermal vacuum outgassing
4.31 Irradiation resistance
4.32 External bending moment
4.33 Contact insertion and removal force
4.34 Flag
4.35 Appearance quality
5 Inspection method
5.1 General
5.2 Appearance and Mechanical Properties Inspection
5.3 Interchangeability
5.4 Insulation resistance
5.5 Contact resistance
5.6 Low-level contact resistance
5.7 Withstand voltage
5.8 Air leakage
5.9 Ultra-low temperature
5.10 Low temperature leakage
5.11 High temperature leakage
5.12 Kerosene leakage
5.13 Temperature shock
5.14 High temperature
5.15 Rain
5.16 Electrical continuity between enclosures
5.17 Alternating damp heat
5.18 Salt spray
5.19 Mechanical life
5.20 Vibration
5.21 Shock
5.22 Acceleration
5.23 Contact fixation
5.24 Insulation mounting plate fixation
5.25 Tensile strength of crimp ends
5.26 Contact separation force
5.27 Compatibility
5.28 Mold
5.29 Thermal vacuum outgassing
5.30 Irradiation resistance
5.31 External bending moments
5.32 Contact insertion and removal force
6 Inspection rules
6.1 Inspection classification
6.2 Qualification inspection
6.3 Quality Consistency Inspection
7 Packaging, transport and storage
7.1 Packaging
7.2 Transport and storage

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1. Structure and Drafting Rules of Standardization Documents" drafted.

1 Scope

This document specifies the technical requirements, inspection methods, inspection rules, packaging, transportation and storage of ultra-low temperature circular electrical connectors for aerospace.

This document applies to the design, manufacture and inspection of ultra-low temperature circular electrical connectors for aerospace (hereinafter referred to as electrical connectors).

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document.

GB/T 2423.2-2008 Environmental testing of electrical and electronic products - Part 2. Test method Test B. High temperature

GB/T 2423.4-2008 Environmental testing of electrical and electronic products - Part 2. Test method Test Db. Alternating damp heat (12h 12h cycle)

GB/T 2423.5-2019 Environmental Testing Part 2. Test Methods Test Ea and Guidelines. Shock

GB/T 2423.10-2019 Environmental Testing Part 2. Test Methods Test Fc. Vibration (Sinusoidal)

GB/T 2423.15-2008 Environmental testing of electrical and electronic products - Part 2. Test method test Ga and guideline. Steady state speed

GB/T 2423.16-2008 Environmental testing of electrical and electronic products - Part 2. Test method Test J and guidelines. Mildew

GB/T 2423.17-2008 Environmental Testing of Electrical and Electronic Products Part 2. Test Method Test Ka. Salt Spray

GB/T 2423.22-2012 Environmental Test Part 2. Test Method Test N. Temperature Change

GB/T 2423.23-2013 Environmental Testing Part 2. Test Methods Test Q. Sealing

GB/T 2423.38-2008 Environmental testing of electrical and electronic products - Part 2. Test method test R. Water test method and guidelines

GB/T 2423.56-2018 Environmental Testing Part 2. Test Methods Test Fh. Broadband Random Vibration and Guidelines

GB/T 4210 Electrotechnical Terminology Electromechanical Components for Electronic Equipment

GB/T 5095.2-1997 Basic test procedures and measurement methods for electromechanical components for electronic equipment - Part 2. General inspection, electrical Continuity and contact resistance tests, insulation tests and voltage stress tests

GB/T 5095.5-1997 Basic test procedures and measurement methods for electromechanical components for electronic equipment - Part 5. Impact test (self- by component), static load test (fixed component), life test and overload test

GB/T 5095.8-1997 Basic test procedures and measurement methods for electromechanical components for electronic equipment - Part 8. Connectors, contacts Mechanical test of parts and terminals

QJ1558A-2012 Test method for material volatilization performance under vacuum conditions

QJ3177-2003 Test method for the sensitivity of materials to mechanical shock in liquid oxygen and pressurized oxygen environments

3 Terms and Definitions

GB/T 4210 defined and the following terms and definitions apply to this document.

3.1 Super high-low temperature circular electrical connector

The upper limit working temperature of the electrical connector is 137°C~300°C, and the lower limit working temperature is -268.9°C~-161.5°C. The basic structure is a circle.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 20 pages — is available in the English PDF.

Referenced standards

Normative references

Similar standards

GB/T 43368-2023|GB/T 15872-2013|GB/T 12272-1990|GB/T 8446.2-2022|GB/T 41213-2021|GB/T 15428-1995

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