0451.630MRL – LITTELFUSE
630 mA 125 V 125 V Fuse Board Mount (Cartridge Style Excluded) Surface Mount 2-SMD, Square End Block
Stock Quantity: 529
Selling Unit: Each
| Quantity | Price (ex VAT) |
|---|---|
| 1+ | 1.52 |
| 10+ | |
| 50+ | |
| 100+ |
529 in stock
Contact us for volume pricing
- Same day shipping if ordered before 14.00 GMT
- 6 month warranty on all stock items
- All stock held and shipped from our UK warehouse
- Worldwide shipping available, contact us for a quotation
- We can ship on your DHL or UPS account if required
- Any import duties or taxes are the responsibility of the receiver
Overview
The Littelfuse 0451.630MRL is a compact, surface-mount fast-blow fuse designed for robust circuit protection in compact electronic assemblies. Its primary function is to interrupt fault currents, safeguarding sensitive components from overcurrent events. A critical design consideration for this 630mA, 125VAC/VDC rated device is the trade-off between its small footprint and its breaking capacity of 50A. While ideal for space-constrained applications, designers must ensure the surrounding circuitry can withstand the transient inrush currents that might occur before the fuse reliably opens, preventing nuisance tripping in normal operation.
Key Features
- Current Rating: 630 mA
- Voltage Rating: 125 VAC/VDC
- Response Time: Fast Blow
- Breaking Capacity: 50A @ 125V
- Dimensions: 6.10mm x 2.69mm x 2.69mm (0.240″ L x 0.106″ W x 0.106″ H)
- Package: 2-SMD, Square End Block
Applications
The component is engineered for deployment in systems requiring high reliability and performance under specific operating conditions. It provides functional stability across the stated design envelope.
- Overcurrent protection for compact power supplies in consumer electronics.
- Inrush current limiting for solid-state relays in industrial automation.
- Fault interruption in portable medical device battery management systems.
- Signal path protection in low-power communication modules.
