Thermal Cutoff Overtemperature (TCO) Protection Devices – AD & SD Series

Bourns’ TCO mini-breaker devices are tested to AEC-Q200-listed stress tests

AD and SD series resettable miniature thermal cutoff (TCO) mini-breaker devices from Bourns, Inc. are the first TCO devices tested by Bourns to AEC-Q200-listed stress tests. The AD and SD series’ advanced overtemperature protection technologies make them ideal solutions for a broad variety of applications such as heaters, motors, cables, and printed circuit board components. They also offer excellent overtemperature protection for lithium-ion batteries in notebook PCs, tablets, smartphones, and power banks. The AD and SD feature high current and low resistance (less than 4 mΩ) in either a surface mount (SD) or axial-leaded/weldable (AD) package. Both series offer the option for the TCO device to be either non-automatically resettable (self-hold function) or automatically resettable (non-self-hold function).

Features

• Miniature package size
• Surface-mount package option
• Superior overtemperature and overcurrent protection
• Controls abnormal, excessive current virtually instantaneously, up to rated limits
• Currently the industry’s widest range of trip temperatures, up to +150°C
• High corrosion resistance
• AEC-Q200 compliant

Applications

• Heaters
• Motors
• Battery packs
• Lithium-ion batteries in PCs, tablets, smartphones, and power banks

more information: https://www.bourns.com/docs/technical-documents/featured-product-bulletins/Bourns_KLM2209_SD_AD_NPR.pdf

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