Unique-Bargains
Unique-Bargains T5A 250V Slow Blow Micro Fuse 20Pcs
Pack of 20 DIP-mounted slow-blow micro fuses rated 250V T5A with 4.5mm pin spacing
- Slow-blow design tolerates brief surges
- 250 V rating suits mains-voltage circuits
- 5 A time-delay protects sensitive components
- 20-piece pack covers multiple repairs
- DIP mounting fits standard PCB layouts
T5A 250V slow-blow micro fuses
This pack contains twenty through-hole micro fuses rated at 250 volts and T5A. The square black bodies measure 8.5 by 7.5 by 4 millimetres with pins 21 millimetres long spaced 4.5 millimetres apart. They are designed for direct PCB mounting in equipment that requires time-delay protection. The slow-blow characteristic prevents nuisance tripping from brief inrush currents.
Hobbyists and technicians repairing boards with 5
These fuses suit anyone replacing a blown T5A device on a power supply, charger or control board where the footprint matches the given dimensions. They are not for circuits needing a fast-acting fuse, a higher voltage rating or a different pin pitch. Buyers who need surface-mount devices or a larger cartridge style should look elsewhere.
4.5 millimetre pin spacing fixes the board fit
The distance between the two pins is the single dimension that decides whether the fuse will drop into the existing holes. If the board layout uses a different pitch the part cannot be soldered in place without modification. Verify the 4.5 millimetre spacing against the PCB before ordering.
Highlights
- Slow-blow design tolerates brief surges
- 250 V rating suits mains-voltage circuits
- 5 A time-delay protects sensitive components
- 20-piece pack covers multiple repairs
- DIP mounting fits standard PCB layouts
Specifications
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Questions about this item
How much heat does a T5A 250 V slow-blow micro fuse generate when it runs continuously?
The fuse is rated for 5 A at 250 V and uses a time-delay element; under normal load it dissipates only the small I²R loss of its internal element, so heat rise is minimal in a properly ventilated holder.
What holder or PCB footprint do I need to mount these 8.5 mm × 7.5 mm body fuses with 4.5 mm pin spacing?
They are DIP-mounted with 21 mm long pins spaced 4.5 mm apart, so a standard through-hole footprint matching that pitch and pin diameter will accept them directly.
Can I replace the original fast-acting fuse in my legacy power supply with these T5A slow-blow units?
The slow-blow characteristic tolerates brief inrush currents better than a fast-acting fuse, so it will often work as a replacement if the voltage and current ratings match the original specification.
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