Fast Acting SMD Fuse
Product Overview
Fast-blow surface mount fuses utilize a precision ceramic substrate and metal end caps, offering high reliability, rapid response, and excellent overcurrent protection.
The R12.000 series supports systems up to 72VDC and can quickly interrupt abnormal current, effectively preventing damage to circuit components.
The products comply with RoHS and lead-free environmental standards and are suitable for the high-density surface mount processes of modern electronic devices.
Their small 1206 package helps save PCB space and improve overall assembly efficiency.
II. Product Parameters
| Item |
Parameter Description |
| Product Series |
R12.000 Series |
| Cold Resistance (Typical) |
2.9mΩ～3700mΩ |
| Voltage Drop (Typical) |
70mV～1350mV |
| Action Time (100% Rated Current) |
Over 4 hours |
| Action Time (250% Rated Current) |
≤5 seconds |
Key Features
This series of fuses features excellent transient overcurrent withstand capability, maintaining stable performance even under high inrush current conditions. Its low impedance design minimizes power loss while improving system efficiency. The product is compatible with reflow and wave soldering processes, ensuring full compatibility with mainstream surface mount equipment. The robust ceramic housing and high-purity metal end caps provide excellent environmental sealing and mechanical strength, ensuring long-term stable operation in high-temperature and high-humidity environments.
Applications
Fast-blow surface mount fuses are widely used in various DC and low-voltage circuit overcurrent protection applications, including:
- USB charger and laptop power protection
- Digital camera and mobile phone circuits
- LCD monitor and printer power modules
- DVD players, game consoles, and portable devices
- Automated control systems and industrial electronic equipment
