Designed for electric vehicle powertrain cooling and e-mobility thermal management, this next-generation sensor delivers innovative, precision-engineered solutions to meet the evolving demands of the EV industry.
TDK Corporation introduces the B58101A0851A000, the first in a new series of immersion temperature sensors (ITS) designed specifically for electric vehicle (EV) powertrain cooling systems. This advanced NTC thermistor delivers fast and precise temperature control, making it ideal for oil-cooled systems, which are expected to dominate EV thermal management.
Leveraging the company’s expertise in sensor technology, the ITS features a fully sealed, highly responsive design that can be customized for various installation positions, cooling fluids, and mounting configurations. The sensor is engineered to withstand harsh operating conditions, ensuring long-term reliability in e-mobility applications.
The key features are:
- Lightweight design – Weighs less than 11 grams for easy integration
- Ultra-fast response time – Reacts in under 4 seconds (τ63%) for efficient thermal management
- High accuracy – ±1 K precision ensures reliable temperature control
- Wide operating range – Functions between -40 °C to +150 °C for versatile applications
- Optimized powertrain performance – Enhances EV system efficiency through precise thermal regulation
It exhibits strong resistance to ZF EcoFluid E gear oil, further enhancing durability in electric drive systems. The ITS also provides a customizable resistance-temperature (RT) curve, allowing engineers to tailor it to specific application needs. Available in multiple mounting configurations, it supports flexible integration into various EV cooling architectures.
The sensor offers a range of advanced features designed to enhance EV powertrain cooling and thermal management. With an ultra-fast response time of under 4 seconds, it ensures efficient temperature regulation, improving system performance. Engineered to withstand extreme conditions, the sensor operates at temperatures up to +150 °C and features a fully sealed design, making it ideal for immersion applications. Its optimized resistance-temperature (RT) curve enhances accuracy, while its lightweight construction (<11 g) allows for easy installation across various configurations.
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