High Speed Semiconductor Fuse

The High Speed Semiconductor Fuse is a fast-acting fuse specially designed to protect semiconductor devices (such as diodes, thyristors, IGBTs, etc.). Its main function is to cut off the circuit extremely quickly when an overcurrent or short circuit occurs in a semiconductor device, preventing the device from being damaged by excessive current shock.

Fast fuse response
The High Speed Semiconductor Fuse is made of special alloy materials and precise manufacturing processes, and the fuse time is usually less than 10 milliseconds. This fast response capability can immediately cut off the circuit when the semiconductor device is subjected to overload or short-circuit current, avoiding thermal damage and electrical failure caused by overcurrent, and improving the overall safety and stability of the equipment.

Strong breaking capacity
Our fuse design has a breaking capacity of up to thousands of amperes, far exceeding ordinary fuses. High breaking capacity ensures that in the event of a serious short circuit, the fuse can be safely disconnected without generating an arc circuit, preventing secondary damage to the circuit and equipment, and meeting the strict requirements of industrial and new energy equipment for high reliability.

Excellent thermal stability
The body and end cap materials of our fuses are specially treated and can withstand an operating temperature range of -55℃ to +125℃. Its strong thermal stability ensures that it still maintains good conductivity and structural integrity in high temperature environments, prolongs its service life, and is suitable for a variety of complex environments such as industrial automation and new energy.

Inverter and frequency converter protection
High-speed semiconductor fuses are used to protect semiconductor components such as IGBTs and diodes in inverters and frequency converters.

Power module safety protection
In power modules and rectifiers, fuses protect circuits from sudden current changes, prevent damage to key semiconductor components, and ensure long-term stable operation of equipment.

New energy vehicle electronic control system
Power semiconductor devices are widely used in new energy vehicles. High-speed fuses are used in motor drives, charging systems and other links to ensure the safety of electronic control systems and improve the reliability of the entire vehicle.

Industrial automation equipment
In automation control systems and robot drive boards, fast fuses provide precise protection for semiconductor devices to prevent equipment from shutting down or being damaged due to abnormal current, and ensure continuous and stable production lines.

5CH High voltage ceramic fuse 5.2x10mm, 100mA~20A, 660V/1000V

The structure and performance comply with GB13539, IEC60269, UL248
Rated voltage: AC/DC400V/500V/600V
Rated current: 100mA~20A; breaking capacity: 2KA at 400V AC/DC (100mA-10A); 500A at 500V AC/DC (100mA-20A); 2KA at400VAC/DC (100mA-10A);
Certification: ULCCC TUV
This product series consists of tubular fast fuses featuring a compact size and high breaking capacity. They operate reliably across a wide temperature range and withstand intense mechanical vibration, shock, rapid temperature changes, and strong chemical exposure. These fuses are ideal for automotive industry applications, serving as short-circuit and backup protection for electric vehicle drive power systems, power conversion systems, energy storage batteries, power capacitors, frequency converters, chargers, MSDs, wiring, and other automotive devices and equipment.

6CH High voltage ceramic fuse 6.35x32mm, 100mA~30A, 500V/660V/1000V
The structure and performance comply with GB13539, IEC60269, UL248
Rated voltage: AC/DC500V/660V/1000V
Rated current: 100mA~30A; breaking capacity: 30KA at 500 VAC/DC (100mA-30A); 1.5KA at 660V AC/DC (16A-30A); 10KA at1000VAC/DC (100mA-15A);
Certification: ULCCCTUV
This series of products consists of tubular fast fuses with a compact size and high breaking capacity. They are suitable for a wide temperature range and can withstand intense mechanical vibration and shock, rapid temperature changes, and strong chemical exposure. These fuses are designed for automotive industry applications and can be used as short-circuit and backup protection for electric vehicle drive power systems, power conversion systems, energy storage and power batteries, energy storage capacitors, frequency converters, chargers, MSDs, wiring, and other automotive devices and equipment.

10C High voltage ceramic fuse 10x38mm, 500mA~40A, AC/DC1000V
The structure and performance comply with GB13539, IEC60269, UL248
Rated voltage: AC/DC500V/690V/1000V
Rated current: 100mA~32A; breaking capacity: 150KAat500V AC/DC (100mA-32A); 80KA at 690V AC/DC (100mA-32A); 10KA at1000VAC/DC (100mA-15A);
Protection level: aR
Certification: ULCCCTUV
This series of products is a tubular fast fuse with a small size and high breaking capacity. It is suitable for a wide temperature range and can withstand high-intensity mechanical vibration and shock, rapid temperature changes, and strong chemical exposure. Designed for road vehicle industry applications, it can be used as short-circuit and backup protection for electric vehicle drive power systems, power conversion systems, energy storage and power batteries, energy storage capacitors, frequency converters, chargers, MSDs, wiring, and other automotive devices and equipment.

14C High voltage ceramic fuse 14x51mm, 1A~63A, AC/DC1000V

The structure and performance comply with GB13539, IEC60269, UL248
Rated voltage: AC/DC800V/700V
Rated current: 1A~63A;
Breaking capacity: 50KAat700VDC; 100KAat800AC
Protection level: aR
Certification: ULCCCTUV
This series of products consists of tubular fast fuses with a small size and high breaking capacity. They are suitable for a wide temperature range and can withstand intense mechanical vibration and shock, rapid temperature changes, and strong chemical exposure. Designed for the road vehicle industry, these fuses provide short-circuit and backup protection for electric vehicle drive power systems, power conversion systems, energy storage and power batteries, energy storage capacitors, frequency converters, chargers, MSDs, wiring, and other automotive devices and equipment.

17C Battery Power Fuse 17x47mm, 10A~100A, AC/DC 690V/1000V
The structure and performance comply with GB13539, IEC60269, UL248
Rated voltage: AC/DC690V/1000V
Rated current: 10A~100A;
Breaking capacity: 50KAat690V/1000VAC (10A-100A); 20KAat690V/1000VDC (10A-100A);
Protection level: aR
Certification: ULCCCTUV
This series of products consists of round tube, bolt-connected fuses characterized by small size, fast response, low melting time (low t), and high reliability. They are suitable for short-circuit and backup protection of semiconductor equipment such as frequency converters, rectifiers, inverters, various power supplies, as well as power batteries, motors, capacitors, wiring, photovoltaics, and other devices. These fuses offer good vibration resistance and flame-retardant properties, making them ideal for use in vibration-prone environments such as rail transit and motor vehicles.

◆Especially suitable for short-circuit protection fuses for pure electric vehicles and hybrid vehicles.
1000V DC fuse specially designed for pure electric vehicle and hybrid vehicle power battery.

Breaking Capacity
50KA amperes at 690V AC (10A-100A)
20KA amperes at 690V DC (10A-100A)

22C Battery Power Fuse 22x50mm, 10A~250A, AC/DC 690V/1000V
The structure and performance comply with GB13539, IEC60269, UL248
Rated voltage: AC/DC690V/1000V
Rated current: 10A~250A;
Breaking capacity: 50KAat690V/1000VAC (10A~250A); 20KAat690V/1000VDC (10A~250A); Protection level: aR
Certification: ULCCC TUV
This series of products consists of round tube, bolt-connected fuses characterized by small size, fast blow, low I²t, high reliability, and other features. They are suitable for short-circuit and backup protection of semiconductor equipment such as inverters, rectifiers, various power supplies, as well as power batteries, motors, capacitors, wiring, photovoltaics, and other devices. These fuses offer good vibration resistance and flame-retardant properties, making them ideal for use in vibration-prone environments such as rail transit and motor vehicles.

It can be especially used as a short-circuit protection fuse for pure electric vehicles and hybrid vehicles.

A 1000V DC fuse specially designed for pure electric vehicles and hybrid electric vehicle power batteries.
 

38C High voltage ceramic fuse 37x54mm, 100A~500A, AC/DC 1000V, 38C
The structure and performance comply with GB13539, IEC60269, UL248
Rated voltage: AC/DC690V/750V
Rated current: 100A~400A;
Breaking capacity: 100KAat690VAC; 50KAat750VDC
Protection level: aR
Certification: ULCCCTUV
This series of products consists of round tube, bolt-connected fuses characterized by small size, fast blow, low I²t, high reliability, and other features. They are suitable for short-circuit and backup protection of semiconductor equipment such as inverters, rectifiers, various power supplies, as well as power batteries, motors, capacitors, wiring, photovoltaics, and other devices. These fuses have good vibration resistance and flame-retardant properties, making them suitable for use in vibration-prone environments such as rail transit and motor vehicles.
◆Especially suitable for short-circuit protection fuses for pure electric vehicles and hybrid vehicles.
1000V DC fuse specially designed for power batteries of pure electric vehicles and hybrid vehicles.

50H High voltage ceramic fuse 51x50mm, 51x80mm, 100A~800A, 1000V DC,1250VAC,
The structure and performance comply with GB13539, IEC60269, UL248
Rated voltage: AC/DC690V/500V
Rated current: 100A~800A;
Breaking capacity: 100KAat690VAC; 500KAat500VDC
◆ Protection level: aR
Certification: ULCCCTUV
This series of products consists of square tube fast fuses with low I²t and high breaking capacity. They can withstand mechanical vibration, impact, and strong chemical exposure. Suitable for rail transit, road vehicles, and shipbuilding industries, these fuses provide short-circuit and backup protection for electric vehicle drive power systems, power conversion systems, energy storage and power batteries, energy storage capacitors, frequency converters, chargers, MSDs, wiring, and other automotive devices and equipment.

Especially suitable for short-circuit protection fuses for pure electric vehicles and hybrid electric vehicles.
1000V DC fuses specially designed for pure electric vehicles and hybrid electric vehicle power batteries
 

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