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SAE J1113/13: Electromagnetic Compatibility Measurement Procedure for Vehicle Components - Immunity to Electrostatic Discharge

Scope of SAE J1113/13

This SAE Standard specifies the test methods and procedures necessary to evaluate electrical components intended for automotive use to the threat of Electrostatic Discharges (ESDs). It describes test procedures for evaluating electrical components on the bench in the powered mode and for the packaging and handling non-powered mode.

A procedure for calibrating the simulator that is used for electrostatic discharges is given in Appendix A.

An example of how to calculate the RC Time Constant is given in Appendix B.

Functional Performance Status Classifications for immunity to ESD and Sensitivity classificatins for ESD sensitive devices are given in Appendix C.

Revision History

SAE J1113/13 (Also known as SAE J1113-13) was originally released in 1995. A final version, deemed "Stabilized" was released in February 2015 declaring no further updates are anticipated.

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Discharge Resistance/Capacitance

Capacitor

150pF

Capacitance between human body and ground.

outside contact

330pF

Capacitance between human body and seat.

inside contact

Resistor

330Ω

Contact by human with metal object

 

2000Ω

Contact by human skin

Test Levels for SAE J1113/13

All tests are to be performed in positive and negative polarities.

Direct Contact Discharge
LevelCategory 1Category 2Category 3
12kV2kV5kV
24kV4kV6kV
36kV8kV8kV
48kV8kV15kV

Indirect Contact Discharge
LevelCategory 1Category 2Category 3
12kV2kV4kV
24kV4kV8kV
36kV8kV15kV
48kV15kV20kV

Direct Air Discharge
LevelCategory 1Category 2Category 3
12kV4kV6kV
24kV6kV8kV
38kV8kV15kV
415kV15kV25kV