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PRESS RELEASE FOR IMMEDIATE RELEASE – February 2013

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FL Vehicle AEC Q200 Thermistors – Sensing the Temperature

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Temperature Sensors

Willow Technologies Limited www.willow.co.uk introduces Amphenol’s innovative new ultra-thin FL series temperature sensors. The FL incorporates a miniature NTC thermistor chip into a low profile package to meet new demands from the Automotive and Electric Vehicle markets, where sustainable energy is fast becoming key.

The FL temperature sensor’s miniature NTC is packaged inside a flexible PCB, 3mm wide and 0.5mm in thickness. It is designed to meet the volume, cost and delivery expectations of Original Equipment Manufacturers.

The flexible PCB design is suitable for electrical connection by soldering or edge connection. Using an ultra low mass NTC thermistor and FFC package enables fast response. The thermal time constant, cooling in still air, is 7.6 seconds. The FL sensor has high lifetime reliability and stability and is suitable for temperature measurement in rechargeable battery backs. The sensing-end of the package is protected with a conformal environmental coating.

The FL sensor is suitable for all low profile thermistor applications and is an ideal solution for measuring Electric Vehicle and Heavy Electric Vehicle battery pack cell surface temperature. It operates over -40ºC to 125ºC at zero dissipation and 0ºC to 55ºC at maximum dissipation (130mW), with a dissipation constant of 1.9mW/ºC approx. Standard device resistance at 25ºC is 10,000? ±3%, with a B-value (25/85ºC) of 3936. Other nominal resistances, reference temperatures and B-values are available upon request, as are resistance-versus-temperature curves. The flexible PCB substrate is polyimide. Insulation resistance is 1,000 VDC at 25ºC.

At the time of writing, initial FL sensor sample batches (engineering-build standard) are undergoing qualification testing based on automotive standard AEC-Q200 Rev D. Latest information may be obtained by calling Martin Pearce, of Willow Technologies Ltd on 01342 717102.

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ABOUT WILLOW

Willow Technologies Limited, founded in 1989, provides solutions to customers by designing, manufacturing and supplying components and systems to the electrical and electronic marketplace across the globe. Specialists in switching, sensing, resistive and hermetic seal solutions, the company has a wide portfolio of technologies and over 100 years of application experience. With an in-house engineering capability and a production facility for rapid prototyping of custom parts, the company is well equipped to develop products matching customer specific application requirements. Willow is ISO9001: 2008 Registered.

For further information please contact:

Martin Pearce, This e-mail address is being protected from spambots. You need JavaScript enabled to view it ,+44 (0) 1342 717102.

Willow Technologies Ltd. Unit 3 Borers Yard, Borers Arms Road, Copthorne, West Sussex, RH10 3LH, UK

Tel: +44 (0) 1342 717102, Fax: +44 (0) 1342 717014, Email:

CORPORATE: Solid State Group

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