GB/T 4937.24-2025 Active National standards

GB/T 4937.24-2025 Semiconductor devices—Mechanical and climatic test methods—Part 24:Accelerated moisture resistance—Unbiased HAST

GB/T 4937.24-2025 Semiconductor devices—Mechanical and climatic test methods—Part 24:Accelerated moisture resistance—Unbiased HAST

Publish Date: 2025-12-02 Implement Date: 2026-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us
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Basic Information

Standard Code: GB/T 4937.24-2025
Standard Type: National standards
Standard Status: Active
is_force_gb: no
CCS Name: Semiconductor discrete devices
ICS Name: Integrated Components of Semiconductor Devices
Publish Date: 2025-12-02
Implement Date: 2026-07-01
Pages: 16 pages

Scope

This document is used to evaluate the reliability of non-airtight encapsulated solid-state devices in humid environments.
This method is a high-accelerated test, which accelerates the penetration of moisture through the external protective material (encapsulation or sealing) or the interface between the external protective material and metal conductors under non-condensing conditions. This method does not apply a bias voltage to ensure that potential failure mechanisms cannot be caused by bias voltage (e.g., electrochemical corrosion).
This test is used to determine the failure mechanisms inside the encapsulation and is a destructive test.
Note: This method is a rewritten version of the test described in Section 4c of Chapter 3 of the 1996 edition of IEC 60749 (without a bias voltage).

Development Information

Word Count: 17 Thousand words Pages: 16 pages

Same series standard

GB/T 4937.8-2025 Semiconductor devices—Mechanical and climatic test methods—Part 8:Sealing GB/T 4937.10-2025 Semiconductor devices—Mechanical and climatic tests methods—Part 10:Mechanical Shock—Device and subassembly GB/T 4937.16-2025 Semiconductor devices—Mechanical and climatic test methods—Part 16:Particle impact noise detection(PIND) GB/T 4937.25-2025 Semiconductor devices—Mechanical and climatic test methods—Part 25:Temperature cycling GB/T 4937.29-2025 Semiconductor devices—Mechanical and climatic test methods—Part 29:Latch-up test GB/T 4937.33-2025 Semiconductor devices—Mechanical and climatic test methods—Part 33:Accelerated moisture resistance—Unbiased autoclave GB/T 4937.36-2025 Semiconductor devices—Mechanical and climatic test methods—Part 36:Acceleration,steady state GB/T 4937.37-2025 Semiconductor devices—Mechanical and climatic test methods—Part 37:Board level drop test method using an accelerometer GB/T 4937.38-2025 Semiconductor devices—Mechanical and climatic test methods—Part 38:Soft error test method for semiconductor devices with memory GB/T 4937.39-2025 Semiconductor devices—Mechanical and climatic test methods—Part 39:Measurement of moisture diffusivity and water solubility in organic materials used for semiconductor components GB/T 4937.40-2025 Semiconductor devices—Mechanical and climatic test methods—Part 40:Board level drop test method using a strain gauge GB/T 4937.44-2025 Semiconductor devices—Mechanical and climatic test methods—Part 44:Neutron beam irradiated single event effect(SEE) test method for semiconductor devices

Referenced Standards

IEC 60749-5 IEC 60749-33

Adopt standards

IEC 60749-24:2004

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