Littelfuse PolySwitch 2920L Series Resettable PTC Fuse, 33V DC, 1.5A Hold

The Littelfuse PolySwitch 2920L Series Resettable PTC Fuse offers advanced, self-recovering overcurrent protection in a compact, surface-mount package. Designed for medium-voltage applications where board space is limited, this PPTC (Polymeric Positive Temperature Coefficient) device automatically resets after a fault condition is cleared, eliminating the need for manual fuse replacement and reducing maintenance costs. Its fast response to fault currents helps protect sensitive electronic components from damage caused by short circuits or excessive current draw.

Featuring a low-profile design, this resettable fuse is characterised by a holding current of 1.5A and a trip current of 3A, with a rapid time-to-trip of just 2 seconds under fault conditions. It is rated for a maximum voltage of 33V DC and can withstand peak currents up to 40A, ensuring robust protection in demanding electrical environments. The component operates reliably across a wide temperature range from -40°C to +85°C, making it suitable for use in various challenging conditions.

Key Features & Applications

• Resettable Operation: The PolySwitch technology allows the device to return to a low-resistance state after the fault is removed and power is cycled, providing continuous, maintenance-free protection.
• Space-Efficient Design: The compact 2920 (7351 Metric) case style is ideal for densely packed printed circuit boards (PCBs) in modern electronics.
• High Reliability: Constructed with durable materials to ensure consistent performance and long-term stability in your circuits.
• Versatile Use: This fuse is a critical safety component in a wide array of electronic systems, offering dependable overcurrent protection where reliability is non-negotiable.

By integrating this Littelfuse resettable fuse, you enhance the safety, longevity, and reliability of your electronic designs, safeguarding valuable assets