Overview
The Bussmann BK/PCD-5 PC-TRON subminiature fuse provides fast-acting overcurrent protection for through-hole PCB applications. Rated at 5A with voltage ratings of 125VAC and 400VDC, this fuse is UL recognized for supplementary protection of individual components and internal circuits. The compact radial-leaded design fits standard PCB footprints where space is constrained. Each box contains 100 units, making it an economical choice for production and repair applications.
Key Features
- Fast-acting response time (10 seconds typical) protects sensitive circuits
- UL recognized for supplementary DC overcurrent protection
- RoHS compliant, lead-free tin plating
- Compact subminiature package (8.89 × 4.67 × 8.77 mm)
- 10 kA breaking capacity at 125VAC; 1000A at 400VDC
- Radial lead terminals for through-hole PCB mounting
Technical Specifications
- Current Rating: 5A
- Voltage (AC): 125VAC
- Voltage (DC): 400VDC
- Blow Characteristic: Fast Acting
- Mounting: Through Hole (Radial Leaded)
- Body Dimensions: 8.89 mm L × 4.67 mm W × 8.77 mm H
- Lead Length: 19 mm
- Weight: 907.18 mg per unit
- Breaking Capacity (AC): 10 kA at 125VAC
- Breaking Capacity (DC): 1000A at 400VDC
- Thermal Time Constant: 4 hours minimum at rated current
- Flammability Rating: UL94 V-0
- Housing Material: Plastic with tin plating
- Certifications: UL, CSA, RoHS Compliant
- Packaging: Box of 100 units
Typical Applications
The BK/PCD-5 is widely used in:
- Industrial control panels and automation equipment
- Medical device power supply circuits
- Telecommunications and data center equipment
- Consumer electronics PCB protection
- Test and measurement instruments
- LED lighting and power conversion modules
Compatibility & Replacements
Compatible With
- Standard 0.205 inch (5.2 mm) spaced PCB through-hole footprints
- Industrial PCB assembly processes
- Systems requiring supplementary overcurrent protection per UL standards
Replaces / Drop-In Replacement For
- BK/PCD-5 (original part number)
- Previous Cooper Bussmann PCD-5 inventory lots
Works With
- Standard PCB-mounted circuit protection assemblies
- DC power supply topologies rated ≤400VDC
- AC circuits rated ≤125VAC
- Legacy and current-generation industrial control systems














