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STANAG 4239: Electrostatic Discharge, Munitions Test Procedures

Scope of STANAG 4239 ESD Standard

The Military Agency for Standardization (MAS) released this Standardization Agreement (STANAG 4239) outlining the electrostatic discharge test procedures in determining the safety and suitability for service of munitions containing electro explosive devices (EEDS) and associated electrical/electronic systems and subsystems, in the electrostatic environmental conditions specificed in STANAG 4235 for NATO forces. Guidance on electrostatic discharge (ESD) hazard assessment and testing is provided in AOP-24 document.

Test Parameters for STANAG 4239

Testing to be performed in positive and negative polarities

Source of
Threat		Voltage Across
Capacitance		CapacitanceResistanceDischarge
Induction
Personnel25kV ±5%500 pF ±5%5000 Ohms<5 uH
Personnel25kV ±5%500 pF ±5%500 Ohms<5 uH
Helicopter300kV ±5%1000 pF ±10%1 max*<20 uH

*Total distributed discharge circuit resistance measured with and accuracy