Mersen H076459 MI6FA100V0.125 high-speed 6.3 x 46 mm ceramic miniature semiconductor fuse rated at 0.125 A and 1000 V AC for clip mounting.
£7.58
The Mersen H076459, catalogue reference MI6FA100V0.125, is a compact high-speed miniature semiconductor fuse designed to protect sensitive electronic and power semiconductor components against damaging overcurrents and short circuits. It forms part of Mersen’s 6.3 × 46 mm FA range of very fast-acting fuses.
Rated at 0.125 A and 1000 V AC, the H076459 provides rapid fault interruption in high-voltage, low-current circuits. Its very fast-acting characteristic restricts the electrical energy passed to vulnerable components, helping reduce the risk of damage to diodes, thyristors, triacs and other semiconductor devices.
The fuse features a durable ceramic cylindrical body and is designed for clip mounting in a compatible fuse holder. Its compact dimensions, very high breaking capacity and dependable operating performance make it suitable for industrial controls, converters, instrumentation and specialist electronic equipment.
High-speed fuses are engineered to interrupt excessive current more rapidly than general-purpose circuit protection devices. This rapid response limits the thermal and electrical energy transferred to sensitive semiconductor components during a fault.
The Mersen H076459 is particularly suited to high-voltage converter circuits containing components such as diodes, thyristors and triacs. Its ceramic construction and very high breaking capacity support safe fault interruption while helping improve equipment reliability and service life.
| Current | 125 A |
|---|---|
| Voltage | 000 V |
| Manufacturer | Mersen |
| Item number | H076459 |
| Catalogue number | MI6FA100V0.125 |
| Product type | High-speed miniature semiconductor fuse |
| Series | Semiconductor Miniature Fuses Size 6 × 46 FA 1000V |
| Rated current | 0.125 A |
| Rated voltage | 1000 V AC |
| Current type | AC |
| Operating characteristic | High speed / very fast-acting FA |
| Fuse size | 6.3 × 46 mm |
| Product diameter | 6.3 mm |
| Product length | 44.1 mm |
| Mounting type | Clip mounting |
| Connection type | Capsule |
| Body material | Ceramic |
| Minimum breaking capacity | 30 kA |
| Clearing I²t at rated voltage | 0.003 A²s |
| Pre-arcing I²t | 0.0006 A²s |
| Indication system | No |
| Product weight | approx. 0.0025 kg |
| Sales pack quantity | 10 |
| EAN / UPC | 3605340017724 |
The Mersen H076459 provides very fast overcurrent and short-circuit protection for sensitive semiconductor devices used in high-voltage electronic circuits and converters.
The fuse has a rated current of 0.125 A.
The H076459 is rated for operation at up to 1000 V AC.
The fuse is designed for clip mounting inside a compatible 6.3 × 46 mm fuse holder.
Yes. Its very fast-acting FA characteristic is specifically designed to protect sensitive semiconductor devices such as diodes, thyristors and triacs.
Mersen high-speed miniature fuses are trusted by industrial engineers, electronics manufacturers and machine builders to provide rapid and dependable protection for sensitive semiconductor equipment.
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2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...