Unique-Bargains
Unique-Bargains Slow Blow Micro Fuse T3.15A 250V 20Pcs
Pack of twenty slow-blow micro fuses rated 3.15 A at 250 V for DIP mounting
- Time-delay blow protects circuits from brief surges
- 250 V rating suits mains-powered equipment
- T3.15 A current rating matches design requirements
- DIP mounting with 4.5 mm pin spacing fits standard PCBs
- Pack of 20 fuses covers multiple repairs
20-piece T3.15 A slow-blow micro fuse kit
This pack supplies twenty DIP-mounted square fuses rated at T3.15 A and 250 V. They protect low-power circuits in consumer electronics, instrument panels and small power supplies where a brief inrush current must be tolerated without nuisance tripping.
Body 8.3 x 7.8 x 4 mm with 19 mm pins
Each fuse body measures 8.3 mm by 7.8 mm by 4 mm and carries pins 19 mm long on a 4.5 mm pitch, allowing direct through-hole soldering on standard 0.1-inch grid protoboards. The slow-blow element absorbs short transients while still interrupting sustained overloads.
T3.15 A 250 V rating defines the protection limit
Select these fuses only when the circuit’s normal draw stays below 3.15 A at up to 250 V and the application requires time-delay characteristics. Circuits needing a fast-acting element or a higher current rating will require a different fuse type.
Highlights
- Time-delay blow protects circuits from brief surges
- 250 V rating suits mains-powered equipment
- T3.15 A current rating matches design requirements
- DIP mounting with 4.5 mm pin spacing fits standard PCBs
- Pack of 20 fuses covers multiple repairs
Specifications
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Questions about this item
How do I install these DIP-mounted micro fuses and which step is most often missed?
Insert the 19 mm pins through the board holes spaced 4.5 mm apart and solder each pin; the step often missed is confirming the 8.3 mm by 7.8 mm body sits flush before soldering.
What maintenance or replacement will these slow-blow micro fuses need over time?
They are single-use protection devices; after a T3.15 A 250 V fault event the fuse element opens and the entire 8.3 mm x 7.8 mm unit must be desoldered and replaced.
What limit appears first when these fuses run at rated current for long periods?
The 3.15 A time-delay element reaches its thermal limit first, causing the fuse to blow before any other parameter is exceeded.
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