Littelfuse TR5 Antisurge Fuse, 63mA, 250V AC
Littelfuse TR5 63mA antisurge fuse, 250V AC. Time-delay, radial leaded, 35A breaking capacity. UL, VDE approved for industrial safety.
The Littelfuse 372 Series TR5 Antisurge Fuse is a sub-miniature, time-lag radial leaded fuse designed for reliable circuit protection in a compact format. It is engineered to meet the rigorous IEC 60127-3 standard, ensuring high performance and safety in demanding electronic applications.
This 63mA-rated fuse operates at a voltage of 250V AC and features a time-delay (antisurge) characteristic. This design allows it to withstand temporary inrush currents, such as those from motor startups or transformer energisation, without blowing, while still providing dependable protection against sustained overloads and short circuits. Its radial leaded style offers versatile mounting options; it can be soldered directly onto a printed circuit board (PCB) or plugged into a compatible two-pin socket for easy replacement.
A key advantage is its space-saving design, which reduces PCB footprint requirements without compromising on protection. The fuse is housed in a shock-safe, vibration-resistant casing, making it suitable for environments subject to mechanical stress. It boasts a low internal resistance for efficient operation and is approved by major international safety organisations, including UL, VDE, PSE/JET, and CCC.
With a breaking capacity of 35A AC, it can safely interrupt high fault currents. The component is rated for an operating temperature range from -40°C to 85°C, guaranteeing stable performance in both extreme cold and heat. It is an essential component for safeguarding sensitive electronic circuits.
Specifications at a Glance
- Fuse Current: 63mA
- Voltage Rating: 250V AC
- Characteristic: Time Delay (Antisurge)
- Case Style: Radial Leaded
- Breaking Capacity: 35A AC
- Approvals: UL, VDE, PSE/JET, CCC
- Operating Temperature: -40°C to 85°C
- Key Features: Low internal resistance, shock-safe and vibration-resistant
- Industrial electronic equipment
- Safety-critical circuits
- Printed circuit board (PCB) applications
- Equipment requiring protection from inrush currents
- Fuse Current: 63mA
- Voltage Rating VAC: 250V
- Product Range: TR5 372 Series
- Blow Characteristic: Time Delay (Antisurge)
- Fuse Case Style: Radial Leaded
- Breaking Capacity Current AC: 35A
- Rated Standards: IEC 60127-3
- Approvals: UL, VDE, PSE/JET, CCC
- Key Feature: Low internal resistance
- Key Feature: Shock safe casing
- Key Feature: Vibration resistant
- Key Feature: Reduced PCB space requirements
- Operating Temperature Range: -40°C to 85°C
- Dimensions (H x W x D): 43mm x 33mm x 15mm
- Weight: 77 grams
- SVHC: No SVHC (17-Jan-2023)
Always follow local regulations and product guidance.
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