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Standard

AUTOMOTIVE GRADE COAXIAL CABLE PERFORMANCE SPECIFICATION
2022-03-15
CURRENT
USCAR29-1
This document specifies dimensional, functional and visual requirements for Automotive grade coaxial cable. This material will be designated AG for general-purpose automotive applications or AG LL for low loss applications. It is the responsibility of the user of this cable to verify the suitability of the selected product (based on dimensional, mechanical, electrical and environmental requirements) for its intended application. It is the responsibility of the supplier to retain and maintain records as evidence of compliance to the requirements detailed in this standard.
Standard

ELECTRICAL CONNECTOR DESIGN REQUIREMENTS
2021-01-20
CURRENT
USCAR12-6
This document gives specific and measurable design requirements to be applied at a design review prior to tooling. The specification is formatted as a checklist to aid in its use. The requirements do not apply in all situations so engineering judgment must be used. This is a specification for design; applicable performance specifications (USCAR-2, etc.) must still be performed. Specific requirements in this document are grouped by component using a prefix as shown in Table 1 and are numbered by an item number following the prefix.
Standard

TEST PROCEDURES FOR EVALUATING BOLT-LOAD RETENTION OF MAGNESIUM ALLOYS
2020-11-19
CURRENT
USCAR35-1
A bolt-load retention (BLR) test is a practical test to determine the bolt load of a fastener joint with time and at given temperatures. There are three types of BLR tests described in this standard, namely general-purpose test, design-purpose test, and screening material test. A general-purpose BLR test may be used for screening materials, while a design-purpose BLR test is usually used to verify the BLR behavior of a specific joint. The screening material test is an example of the general-purpose test for typical automotive applications.
Standard

NEW FINISH DEVELOPMENT DOCUMENT
2020-11-19
CURRENT
USCAR32-1
This standard lists variables that shall be investigated and reported as an initial investigation into new or revised surface finishes intended for use on fasteners. This standard provides instruction for producing a final report that will be used to determine if further investigation of a surface finish is justified. Further investigation may include tests and evaluations specific to an individual OEM prior to introduction/approval of the surface finish. The final report shall include the results, observations, and conclusions for all of the variables. The final report may be made up of several individual reports covering each variable. In all cases the laboratory performing the test, the test date and the report approver shall be included in the final report.
Standard

ELECTRICAL CONNECTOR DESIGN CRITERIA
2017-08-17
HISTORICAL
USCAR12-5
This document gives specific and measurable design criteria to be applied at a design review prior to tooling. The specification is formatted as a checklist to aid in its use. The requirements do not apply in all situations so engineering judgment must be used. This is a specification for design criteria; applicable performance specifications (USCAR-2, etc.) must still be performed. Items in this document are grouped by component as follows: A Terminals B Secondary Terminal Locks C Connectors D Connector Locks E Secondary Connector Locks (Connector Position Assurance, CPA) F Connector Seals G Serviceability H High Voltage (≥60V) Application Requirements I Drawing and General Requirements
Standard

PERFORMANCE SPECIFICATION FOR ULTRASONICALLY WELDED WIRE TERMINATIONS
2016-04-05
HISTORICAL
USCAR38-1
This specification defines test methods and performance criteria for evaluating ultrasonically welded wire-to-terminal metallurgical bonds. The examples used are specific to the linear weld type of process equipment. USCAR-38 is not applicable for “Splice Welding”. The specification is applicable to wire-on-pad configurations with a typical weld shown in Figure 1. This test specification subjects parts under test to environmental exposures to simulate a lifetime of field exposure for a road vehicle. Exposures called-out in this specification include Thermal Shock, Temperature Humidity Cycling and mechanical abuse. This test specification is intended to evaluate the strength and performance of the interface between wires to an electrical terminal. Validation of the performance of the Terminal is a separate task and can be accomplished using a component validation test such as SAE/USCAR-2, which evaluates whether the entire connection system is acceptable.
Standard

ELECTRICAL CONNECTOR DESIGN CRITERIA
2016-02-12
HISTORICAL
USCAR12-4
This document gives specific and measurable design criteria to be applied at a design review prior to tooling. The specification is formatted as a checklist to aid in its use. The requirements do not apply in all situations so engineering judgment must be used. This is a specification for design criteria; applicable performance specifications (USCAR-2, etc.) must still be performed. Items in this document are grouped by component as follows: A Terminals B Secondary Terminal Locks C Connectors D Connector Locks E Secondary Connector Locks (Connector Position Assurance, CPA) F Connector Seals G Serviceability H High Voltage (≥60V) Application Requirements I Drawing and General Requirements
Standard

AVOIDANCE OF HYDROGEN EMBRITTLEMENT OF STEEL
2012-07-01
HISTORICAL
USCAR5-4
This standard outlines the conditions that enhance the risk of hydrogen embrittlement of steel and define the relief procedures required to minimize the risk of hydrogen embrittlement. It is intended to control the process.
Standard

WIRING COMPONENT DESIGN GUIDELINES
2009-07-10
HISTORICAL
USCAR12-3
This document gives general guidelines to be used during the connector design stage. Various guidelines may not apply in all situations. Therefore, sound engineering judgment must be used in their application. Consider these guidelines as the basis for connector and wiring DFMEA’s. Items in this document are grouped by DFMEA functional requirements. Groups are as follows: A Electrical Continuity B Electrical Isolation/Sealing C Device Assembly D Harness Assembly E Vehicle Assembly F Materials G Serviceability H Environmental Requirements I High Voltage (≥ 60V) Application Requirements
Standard

HIGH VOLTAGE CONNECTOR PERFORMANCE SUPPLEMENT TO SAE/USCAR-2
2008-08-27
CURRENT
USCAR37
Procedures included within this specification supplement are, when used in conjunction with SAE/USCAR 2, intended to cover performance testing at all phases of development, production, and field analysis of electrical terminals, connectors, and components that constitute the electrical connection systems in high voltage (60~600V) road vehicle applications. These procedures are applicable to terminals used for In-Line, Header, and Device Connector systems with and without Shorting Bars. This supplement applies to both sealed and unsealed connection systems.
Standard

AVOIDANCE OF HYDROGEN EMBRITTLEMENT OF STEEL
2008-06-01
HISTORICAL
USCAR5-3
This standard outlines the conditions that enhance the risk of hydrogen embrittlement of steel and define the relief procedures required to minimize the risk of hydrogen embrittlement. It is intended to control the process.
Standard

TEST PROCEDURES FOR EVALUATING BOLT-LOAD RETENTION OF MAGNESIUM ALLOYS
2007-10-08
HISTORICAL
USCAR35
A bolt-load retention (BLR) test is a practical test to determine the bolt load of a fastener joint with time and at given temperatures. There are three types of BLR tests described in this standard, namely general-purpose test, design-purpose test, and screening material test. A general-purpose BLR test may be used for screening materials, while a design-purpose BLR test is usually used to verify the BLR behavior of a specific joint. The screening material test is an example of the general-purpose test for typical automotive applications.
Standard

NEW FINISH DEVELOPMENT DOCUMENT
2007-03-13
HISTORICAL
USCAR32
This standard lists variables that shall be investigated and reported as an initial investigation into new or revised surface finishes intended for use on fasteners. This standard provides instruction for producing a final report that will be used to determine if further investigation of a surface finish is justified. Further investigation may include tests and evaluations specific to an individual OEM prior to introduction/approval of the surface finish. The final report shall include the results, observations, and conclusions for all of the variables. The final report may be made up of several individual reports covering each variable. In all cases the laboratory performing the test, the test date and the report approver shall be included in the final report.
Standard

Avoidance of Hydrogen Embrittlement of Steel
2007-03-01
HISTORICAL
USCAR5-2
This standard outlines the conditions that enhance the risk of hydrogen embrittlement of steel and define the relief procedures required to minimize the risk of hydrogen embrittlement. It is intended to control the process. 1.1 Hydrogen embrittlement of steel, which can cause brittle fractures under stress, occurs as a result of the absorption of hydrogen during cleaning, phosphate coating and plating processes. The susceptibility to hydrogen embrittlement increases with increasing stress (internal or externally applied stress) and increasing material strength. 1.2 Hardness readings in this specification are in Vickers scale. SAE J417 should be referred to for conversion to other scales. NOTE 1: All references to temperatures relate to part core temperature and not the indicated oven air temperature. Statistical data of verifications in temperature at the center of the oven load and oven temperature shall be established to develop the oven profile.
Standard

Automotive Grade Coaxial Cable Performance Specification
2006-01-02
HISTORICAL
USCAR29
This document specifies dimensional, functional and visual requirements for Automotive grade coaxial cable. This material will be designated AG for general-purpose automotive applications or AG LL for low loss applications. It is the responsibility of the user of this cable to verify the suitability of the selected product (based on dimensional, mechanical, electrical and environmental requirements) for its intended application. It is the responsibility of the supplier to retain and maintain records as evidence of compliance to the requirements detailed in this standard.
Standard

Initiator Technical Requirements and Validation
2005-06-06
CURRENT
USCAR28
This specification establishes the design, performance, and validation requirements for the initiator assembly used in airbag modules, seatbelt pretensioners and/or any other Electro-Explosive Devices (EED).
Standard

PERFORMANCE SPECIFICATION FOR AUTOMOTIVE RF CONNECTOR SYSTEMS
2002-11-18
HISTORICAL
USCAR17-1
Procedures included within this specification are intended to cover performance testing at all phases of development, production, and field analysis of electrical terminals, connectors and components for coaxial cable connection systems (hereafter referred to as RF connectors) in road vehicle applications. The intent of this specification is to qualify RF connectors that operate at frequencies greater than 200 MHz. This specification does not apply to single conductor wire or twisted pair connection systems. The RF connection system will be qualified for a specific coaxial cable; the qualified coaxial cable and frequency range of interest must be listed on the connector drawing. Changing coaxial cable necessitates re-qualification.
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