ESPEC
An Osaka-based maker of environmental test equipment, including HAST chambers, burn-in chambers and thermal shock chambers used to test semiconductors.
エスペック・Equipment・Last updated: October 23, 2026
Overview
ESPEC is headquartered in Osaka Prefecture, with a plant in Fukuchiyama, Kyoto and an R&D center in Kobe. For semiconductor reliability testing it makes highly accelerated stress test (HAST) chambers, static burn-in chambers, thermal shock chambers and temperature and humidity chambers.
Its EHS series HAST chambers reach up to 142.9 °C (162.2 °C on the high-pressure type) with pressurized humidity, its RBC burn-in chambers cover -55 to +150 °C depending on model, and its TSA thermal shock chambers switch between hot and cold without moving the samples.
Business: Environmental and reliability test chambers
Why it matters
Main products
- •HAST chambers (EHS series)
- •Burn-in chambers (RBC series)
- •Thermal shock chambers (TSA series)
- •Temperature and humidity chambers (Platinous J series)
Sites in Japan
Osaka
Fukuchiyama, Kyoto
Kobe, Hyogo
Products (4)
- EHS series HAST chambers (standard type) · Accelerated life test (HAST) equipment
- Platinous J series · Temperature and humidity test chambers
- RBC series burn-in chambers · Burn-in systems
- TSA series thermal shock chambers · Thermal shock test chambers