
BOURNS thermal cut-off fuse for lithium battery protection. 25A, 28V, 72°C function, 40°C reset. High-current safety device.
The BOURNS Thermal Cut Off Fuse is a specialised miniature safety device engineered for robust overtemperature and overcurrent protection. Designed primarily for lithium polymer and prismatic battery cells, it provides a critical safety mechanism to prevent thermal runaway and potential fire hazards. This high-current type fuse acts as a failsafe, offering instantaneous control of abnormal or excessive current flow to safeguard sensitive electronic components.
Operating at a precise functioning temperature of 72°C, the fuse is calibrated to respond reliably to overheating events. Upon activation, it requires the temperature to cool to a minimum of 40°C before a manual reset can be performed. This ensures the system is safely stabilised before being brought back online. The use of blade terminals facilitates a secure and straightforward connection within the circuit, simplifying installation in a variety of compact applications.
Constructed to meet demanding specifications, this component is part of the Komatsulite HC product range, known for its reliability in protection circuits. It is an essential element for designers and engineers building power management systems, battery packs, chargers, and other electronic assemblies where managing heat and current is paramount for safety and longevity.
By integrating this thermal cut-off fuse, you add a vital layer of protection to your project, helping to ensure compliance with safety standards and providing peace of mind. Its miniature footprint allows it to be incorporated into space-constrained designs without compromising on protective performance.
Variant Details
After bigger quantities? Need extra quantities? Get in touch and we'll organise it for you.
Always follow local regulations and product guidance.
Free standard delivery on Australian mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For faulty items, contact us within 14 days for a replacement or refund.
View Full Delivery & Returns PolicyWe take the utmost care with your payment and personal details. Our website uses advanced encryption technology, including Secure Sockets Layer (SSL), to protect your information during transmission. You can check a secure connection by looking for 'https' and a locked padlock in your browser.
Cookies enhance your shopping experience by keeping track of your cart and remembering you when you return. We also use banner advertising based on your browsing history to present products of potential interest.
Beware of phishing scams! We will never ask for personal details via email. If such information is required, we'll ask you to contact us by phone. If you receive an email requesting sensitive information, do not respond and let us know immediately.