| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
Riedon |
FUSE CRTRDGE 300A 300VAC/125VDC |
0 |
|
 |
Riedon |
FUSE CRTRDGE 200A 300VAC/125VDC |
104 |
|
 |
Riedon |
FUSE CRTRDGE 400A 300VAC/125VDC |
41 |
|
 |
Riedon |
FUSE CRTRDGE 250A 300VAC/125VDC |
139 |
|
 |
Riedon |
FUSE CRTRDGE 350A 300VAC/125VDC |
0 |
|
 |
Riedon |
FUSE CRTRDGE 110A 300VAC/125VDC |
45 |
|
 |
Riedon |
FUSE CRTRDGE 175A 300VAC/125VDC |
22 |
|
 |
Riedon |
FUSE CRTRDGE 150A 300VAC/125VDC |
40 |
|
Specialty fuses are precision-engineered circuit protection devices designed to safeguard electrical systems under specific abnormal conditions. Unlike general-purpose fuses, these devices offer tailored performance characteristics for specialized applications, including fast response times, high current interruption capabilities, and environmental resistance. Their importance in modern technology stems from their ability to protect sensitive electronics in critical systems such as medical devices, aerospace equipment, and renewable energy systems.
| Type | Functional Features | Application Examples |
| Current-limiting Fuses | Interrupt fault currents within milliseconds using special fillers | Industrial motor drives, power distribution panels |
| Semiconductor Fuses | Maintain I2t values below 10A s for sensitive component protection | Variable frequency drives, battery management systems |
| Resettable Fuses (PTC) | Automatically reset after fault clearance | Consumer electronics, automotive circuits |
| High-voltage Fuses | Rated above 1kV with arc suppression technology | EV charging stations, grid-tied solar inverters |
| Time-delay Fuses | Withstand temporary current surges without tripping | Compressors, transformers, medical imaging equipment |
Typical construction includes: - Ceramic or glass reinforced polymer housing - Silver-plated copper/zinc alloy contacts - Specialized fuse element with controlled melting points - Arc quenching materials (e.g., silica sand) - Temperature-compensated mechanical linkages
| Parameter | Importance | Typical Range |
| Voltage Rating | Defines maximum operating voltage | 32V-15kV |
| Current Rating | Determines normal operation threshold | 0.1A-2000A |
| Response Time | Time to interrupt fault current | 1ms-10s |
| I2t Let-through | Energy withstand capability | 10-1000A s |
| Ambient Temperature Range | Operational environmental limits | -55 C to +125 C |
Primary industries include: - Industrial automation (PLC systems, CNC machines) - Automotive (EV battery protection, ADAS systems) - Renewable energy (solar inverters, wind turbine controls) - Medical equipment (MRI scanners, patient monitors) - Telecommunications (base stations, data center UPS)
| Manufacturer | Representative Product | Key Features |
| Littelfuse | SSL Series | Surface-mount PTC for automotive applications |
| Bussmann | 170M Series | Current-limiting semiconductor fuse |
| Eaton | XLP Plus | High-performance current-limiting fuse |
| TE Connectivity | Mini29 | Compact automotive blade fuse |
Key considerations: 1. Determine circuit voltage/current requirements 2. Analyze fault current characteristics 3. Consider environmental factors (temperature, vibration) 4. Verify compliance with standards (UL/IEC) 5. Evaluate replacement accessibility 6. Calculate required breaking capacity
Emerging developments: - Graphene-enhanced PTC materials for faster response - Integration with IoT-enabled condition monitoring - Miniaturization for 5G infrastructure applications - Environmental compliance with RoHS/REACH standards - Development of hybrid fuse-circuit breaker devices - Increased adoption in EV battery management systems