The VF451/VF453 series from VICFUSE is a compact, fast-acting ceramic fuse solution engineered to provide dependable overcurrent and short-circuit protection in electronic and industrial power applications. Designed with high interrupting capability and robust environmental performance, the series supports reliable circuit protection across telecommunications equipment, industrial control systems, automotive electronics, power supplies, battery management systems, and other sensitive electronic applications.

With voltage ratings up to 125VAC/DC and current ratings from 62mA to 30A, the VF451/VF453 series combines compact size, fast response characteristics, and strong electrical performance to help minimize damage caused by overload and fault current conditions.

Key Features

• Fast-acting overcurrent protection performance
• Compact 6.1 × 2.6 × 2.6mm package design
• Voltage ratings up to 125VAC/DC
• Current ratings from 62mA to 30A
• High interrupting capacity up to 200A at 86VDC
• Ceramic body construction for enhanced thermal resistance
• Silver-plated brass caps (VF451)
• Gold-plated brass caps (VF453)
• RoHS, REACH, and HF compliant
• UL, CUL, and CE certified
• Suitable for harsh industrial operating environments

Electrical Performance Interrupting Ratings

• 62mA–15A: 100A at 125VAC/DC
• 62mA–30A: 150A at 86VAC
• 62mA–30A: 200A at 86VDC

Voltage Ratings

• 86V
• 125V

Current Ratings

• 62mA to 30A

Operating Class

• Fast Acting

The fast response characteristics of the VF451/VF453 series help protect sensitive circuits and components from excessive fault current, reducing the risk of thermal damage and improving overall system reliability.

Environmental & Mechanical Reliability

The VF451/VF453 series is designed to withstand demanding environmental and mechanical conditions commonly encountered in industrial and electronic applications.

Environmental Specifications

• Operating Temperature: -55°C to +125°C
• Thermal Shock: MIL-STD-202G Method 107
• Vibration Resistance: MIL-STD-202G Method 201
• Salt Spray Resistance: MIL-STD-202G Method 101
• Insulation Resistance: MIL-STD-202G Method 302
• Resistance to Solder Heat: MIL-STD-202G Method 210

The ceramic construction and durable terminal materials provide enhanced thermal stability, mechanical strength, and long-term operational reliability.

Certifications & Compliance

The VF451/VF453 fuse series complies with major international safety and environmental standards:

• UL Recognized
• CUL Certified
• CE Certified
• RoHS Compliant
• REACH Compliant
• Halogen-Free (HF)

Typical Applications

The VF451/VF453 series is suitable for a wide range of circuit protection applications, including:

• Telecommunications equipment
• Industrial automation systems
• Power supplies
• Battery management systems (BMS)
• Consumer electronics
• Automotive electronics
• Control boards
• DC distribution systems
• Electronic instrumentation
• Communication devices

Industrial Advantages

• High reliability protection for sensitive electronic circuits
• Compact footprint for space-constrained PCB designs
• Strong environmental durability for industrial applications
• High interrupting capability for improved fault protection
• International certifications supporting global equipment compliance
• Fast-acting response to reduce downstream component damage