1808 SMD Fast Blow Fuse 125V – 0.5A

1808 SMD Fast Blow Fuse 125V – 0.5A provides reliable circuit protection for compact electronic designs. With its surface-mount construction, this fuse is ideal for safeguarding sensitive components against overcurrent conditions while maintaining space efficiency on densely populated PCBs.

Key Features:

• Fast Acting: Interrupts quickly under fault conditions to protect delicate circuitry.
• Compact 1808 SMD Package: Saves valuable PCB space in modern electronics.
• Rated at 125 V: Handles low-voltage DC and AC applications up to 125 volts.
• 0.5 A Current Rating: Provides precise overcurrent protection for small loads.
• Lead-Free Construction: Fully compliant with RoHS environmental standards.
• Stable Performance: Offers consistent fusing characteristics across operating conditions.

Technical Specifications:

• Fuse Type: Fast Blow (Quick Acting)
• Rated Voltage: 125 V AC/DC
• Rated Current: 0.5 A
• Breaking Capacity: Typically up to 50 A @ 125 V AC/DC (check datasheet)
• Interrupting Time: Fast response under overload and short-circuit conditions
• Operating Temperature: −55 °C to +125 °C
• Compliance: RoHS, Halogen-free, Lead-free

Mechanical Specifications:

• Package Style: Surface Mount Device (SMD) 1808 size
• Construction: Ceramic body with metal end caps
• Mounting: Reflow solder compatible, designed for automated assembly
• Marking: Current rating or code printed on body for easy identification

Dimensions:

• Length: Approx. 4.5 mm
• Width: Approx. 2.0 mm
• Height: ~1.0 mm
• Terminal Style: Flat SMD metallized ends

Pinout and Wiring:

• Terminal 1: Fuse input
• Terminal 2: Fuse output
• Wiring Note: Mount in series with the protected load. Ensure good solder joints for reliable conductivity.

Datasheet Reference:

• Refer to the manufacturer’s datasheet for detailed electrical curves, time-current characteristics, and soldering guidelines.

Applications:

• Consumer Electronics: Protects smartphones, tablets, and small appliances.
• Computing Equipment: Used in laptops, power supplies, and peripheral boards.
• Industrial Electronics: Safeguards control units, sensors, and monitoring devices.
• Automotive Systems: Provides protection in infotainment and low-voltage electronic circuits.

Equivalent Models:

• Littelfuse 0467 Series: SMD fast-acting fuse in 1808 package
• Bourns SF-1206F Series: Surface-mount fast-blow fuses with similar ratings
• Bel Fuse 0685 Series: Comparable 125 V rated fast-acting SMD fuses

Package Includes:

• 1 x 1808 SMD Fast Blow Fuse 125V – 0.5A