The ST-0800-BCT-0 is a Mini-Breaker Resettable PTC (Positive Temperature Coefficient) Resettable Fuse manufactured by Bourns, Inc. These devices are used for overcurrent protection in various electronic circuits. Unlike traditional fuses that blow and need replacement, PTC resettable fuses increase their resistance significantly when overcurrent occurs, limiting the current flow. Once the fault condition is removed, they cool down and automatically reset, restoring the circuit to normal operation. This makes them ideal for applications where frequent overcurrent events are possible.

Applications

• USB port protection
• Computer peripherals
• Power supplies
• Battery packs
• General electronic equipment

Features

• Resettable Fuse: Automatically resets after an overcurrent event.
• Solid State: Reliable solid-state construction.
• Miniature Size: Compact design for space-constrained applications.
• Low Resistance: Minimal impact on circuit performance during normal operation.
• Fast Trip Time: Quickly responds to overcurrent conditions.
• Agency Approvals: UL, CSA, and TUV compliance ensures safety and reliability.

Benefits

• Eliminates the need for fuse replacement, reducing maintenance costs.
• Provides reliable overcurrent protection.
• Saves space due to its miniature size.
• Has minimal impact on normal circuit operation.
• Ensures safety and regulatory compliance.

Technical Specifications

The ST-0800-BCT-0 has a hold current (Ihold), a trip current (Itrip), and a maximum voltage rating (Vmax). The typical resistance at 25°C is specified in the manufacturer's datasheet. The trip time depends on the magnitude of the overcurrent. Consult the datasheet for detailed electrical characteristics, thermal derating curves, and application guidelines. These PTCs are typically surface mount devices.