JEDEC:

JEDEC JESD22-A110: Highly – Accelerated Temperature and Humidity Stress Test (HAST)

Purpose:

The JESD22-A110 - Highly-Accelerated Temperature and Humidity Stress Test is performed for the purpose of evaluating the reliability of non-hermetic packaged solid-state devices in humid environments. It employs severe conditions of temperature, humidity, and bias which accelerate the penetration of moisture through the external protective material (encapsulant or seal) or along the interface between the external protective material and the metallic conductors which pass through it. The stress usually activates the same failure mechanisms as the "85/85" Steady-State Humidity Life Test (JEDEC Standard No. 22-A101).

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Products Used in Testing:

Espec Espec EGNX12-6NWL Global-N Chamber

The Espec EGNX12-6NWL Global-N Chamber is a 12 cubic foot temperature cycling chamber designed with heavy-duty casters with adjustable feet for leveling units. The EGNX-12-6NWL model has an interior dimension of 23.6" x 29...

Espec Espec EHS Series HAST Chambers

Espec EHS Series HAST chambers reduce the time it takes to complete humidity testing for semiconductors. By elevating temperatures above 100°C and increasing the pressure, simulation of normal humidity tests can be made...

Espec Espec EHS-212M HAST Chamber

The Espec EHS-212M HAST Chamber reduces the time it takes to complete humidity testing for semiconductors. By elevating temperatures above 100°C and increasing the pressure, simulation of normal humidity tests can be made...

Espec Espec EHS-222MD HAST Chamber

The Espec EHS-222MD HAST Chamber reduces the time it takes to complete humidity testing for semiconductors. By elevating temperatures above 100°C and increasing the pressure, simulation of normal humidity tests can be made...

Espec Espec EHS-412M HAST Chamber

The Espec EHS-412M HAST Chamber significantly hastens the humidity testing process for semiconductors. Through elevating temperatures above 100°C as well as the pressure, regular humidity test simulation can occur while...

Espec Espec EHS-412MD HAST Chamber

The Espec EHS-412MD HAST Chamber reduces the time it takes to complete humidity testing for semiconductors. By elevating temperatures above 100°C and increasing the pressure, simulation of normal humidity tests can be made...

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