Plastic Black Fuse Resistor Smd Encapsulated Square Fuse For Circuit Protection
This plastic-encapsulated square fuse features a high-performance alloy fusible element encapsulated in a flame-retardant plastic shell. Its compact internal structure provides excellent voltage withstand performance and stable fusing characteristics.
The product has obtained multiple international certifications, including UL, VDE, and CQC, and is suitable for high-voltage, high-current protection circuits.
The square package facilitates installation and provides excellent dust and moisture protection, enabling long-term reliable operation in harsh environments.
The leads are made of tinned copper wire, offering excellent solderability and conductivity.
| Item | Parameter Description |
|---|---|
| Rated Current Range | 0.08A ~ 16A |
| Rated Voltage Range | 250V / 300V / 350V AC |
| Fusion Time (210%) | 1s ~ 120s |
| Fusion Time (275%) | 400ms ~ 10s |
| Fusion Time (400%) | 150ms ~ 3s |
| Lead Material | Tin Plated Copper |
Fully Encapsulated Design – Utilizes a molded encapsulation structure, providing excellent moisture, dust, and shock resistance;
Non-Inductive Design – Optimized fuse structure effectively suppresses inductive effects, ensuring stability for high-frequency applications;
High-Reliability Solder Terminals – Tin-plated leads offer superior conductivity, suitable for automated wave soldering assembly;
Strong Environmental Adaptability – Operates stably within a temperature range of -40℃ to +125℃;
Compliant with International Standards – Certified by UL, VDE, CQC, and other safety regulations, ensuring reliable quality and safety.
Molded Square Fuses are widely used in:
- Power adapter and transformer protection circuits;
- Home appliances and intelligent control systems;
- Lighting drivers, power tools, and industrial control boards;
- Electric vehicle charging equipment and new energy modules;
- Overcurrent protection for communication and instrumentation equipment.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.

