The TDK Group has launched a new line of ultra-compact EPCOS MEMS pressure sensors, setting a new benchmark in miniaturization and performance. The C33 series is the smallest automotive-grade pressure sensor available, with dimensions of just 1 mm x 1 mm x 0.4 mm. Certified under AEC-Q101 standards, it is ideal for demanding automotive applications. It features an absolute pressure range of 1.2 bar to 10 bar, operates on a typical voltage of 3V, and offers sensitivity between 15 mV/bar and 80 mV/bar depending on the model. Its operating temperature range spans from -40°C to +135°C, with short-term tolerance up to 140°C. The sensor also boasts excellent long-term stability, with an error margin of only ±0.35% FS.
For IoT and consumer electronics, the C39 series stands out with its even smaller form factor—measuring just 0.65 mm x 0.65 mm x 0.24 mm. At just 0.24 mm in height, it’s perfect for space-constrained devices like smartphones and wearables. The C39 also measures absolute pressure in the same range as the C33 (1.2 bar) and maintains the same high level of long-term stability.
Both sensors operate based on a piezoelectric principle, using a Wheatstone bridge to output an analog signal proportional to the measured pressure and supply voltage. These sensors are designed to meet the growing demand for compact, reliable, and accurate sensing solutions in both automotive and consumer markets.
TDK Corporation, a global leader in electronic components, has been at the forefront of innovation since its founding in 1935. Headquartered in Tokyo, Japan, the company specializes in advanced materials and components such as ceramic capacitors, ferrites, inductors, and sensors. With brands like EPCOS, InvenSense, and Micronas, TDK serves a wide range of industries, including automotive, industrial, and consumer electronics. As of March 2017, TDK reported total sales of approximately $10.5 billion and employed over 100,000 people worldwide.
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