Resettable Polyfuse

Littelfuse POLY-FUSE Resettable PTC Fuse for overcurrent protection in Bluetooth modules and rechargeable battery applications. Resettable design eliminates need for replacement.

₹17.00

Inclusive of all taxes

Secure payments via Razorpay
7-day returns on defective items
GST invoice on every order

Out of stock

Free delivery on orders above ₹2,000

Delivers in 4-7 business days

Check delivery at your pincode

₹17.00

Out of Stock

About Resettable Polyfuse

A Resettable Polyfuse (PTC) is a positive temperature coefficient thermistor used for overcurrent protection in electronic circuits. Unlike traditional fuses that need replacement after tripping, a polyfuse resets automatically once the fault condition is removed and power is cycled. This component is essential for protecting sensitive Bluetooth modules and rechargeable battery cells from overcharging, short circuits, and overcurrent events. The POLY-FUSE series from Littelfuse offers reliable, non-cycling protection suitable for space-constrained designs. Key features include low resistance in normal operation, fast trip times, and a wide range of voltage and current ratings. It is ideal for USB ports, battery packs, HDMI, and portable electronics. Choose this component for its proven reliability, compact form factors (like 0603 and 1210 SMD), and the safety assurance of a resettable solution, reducing maintenance costs and downtime in your electronic projects.

Technical Specifications

Series	POLY-FUSE Resettable PTCs
Voltage Rating	Up to 60V (varies by series)
Current Rating	0.35A to 75A (varies by series)
Package Types	Surface Mount (0603, 1210, 1812, 2920), Radial Leaded (30R Series)
Operating Temperature	-40°C to +85°C (typical)
Trip Time	1 second to 5 seconds (depending on current)
Resistance	Low ohmic value in normal state
Applications	Overcurrent protection for Bluetooth modules, rechargeable battery cells, USB ports, HDMI, portable devices
Standards	UL, CSA, TÜV approved