Littelfuse 312 Series Cartridge Fuses

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Fuse Type
Fuse Size/Group
Voltage Rating AC
Interrupt Rating
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Minimum Operating Temperature
Maximum Operating Temperature
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Littelfuse Cartridge Fuses 250V FA 3AG 2.5AMP
Datasheet
4In Stock
Min.: 1
Mult.: 1

312 Glass Fuses 2.5 A Fast Blow 3AG (6.3 mm x 32 mm) 32 VAC 300 A at 32 VAC Holder / Clip Clip - 55 C + 125 C Bulk 51.3 mOhms
Littelfuse Cartridge Fuses 250V 32V FA 3AG 20AMP
Datasheet
41In Stock
Min.: 1
Mult.: 1

312 Glass Fuses 20 A Fast Blow 3AG (6.3 mm x 32 mm) 32 VAC 300 A at 32 VAC Holder / Clip Clip - 55 C + 125 C Bulk 3.45 mOhms
Littelfuse Cartridge Fuses 32V 25A Fast Acting
Datasheet
50In Stock
Min.: 1
Mult.: 1

312 Glass Fuses 2.5 A Fast Blow 3AG (6.3 mm x 32 mm) 32 VAC 300 A at 32 VAC Holder / Clip Clip - 55 C + 125 C Bulk 51.3 mOhms
Littelfuse Cartridge Fuses 32V 25A Fast Acting
Datasheet
177In Stock
Min.: 1
Mult.: 1

312 Glass Fuses 2.5 A Fast Blow 3AG (6.3 mm x 32 mm) 32 VAC 300 A at 32 VAC Holder / Clip Clip - 55 C + 125 C Bulk 51.3 mOhms
Littelfuse Cartridge Fuses 32V 30A FA 3AG PB-FREE
Datasheet
2,612In Stock
Min.: 1
Mult.: 1

312 Glass Fuses 30 A Fast Blow 3AG (6.3 mm x 32 mm) 32 VAC 300 A at 32 VAC Holder / Clip Clip - 55 C + 125 C Bulk 1.9 mOhms
Littelfuse Cartridge Fuses 250V 32V FA 3AG 30AMP
Datasheet
40In Stock
Min.: 1
Mult.: 1

312 Glass Fuses 30 A Fast Blow 3AG (6.3 mm x 32 mm) 32 VAC 300 A at 32 VAC Holder / Clip Clip - 55 C + 125 C Bulk 1.9 mOhms
Littelfuse Cartridge Fuses 32V FA 3AG 35A Pb-FREE
Datasheet
1,092In Stock
Min.: 1
Mult.: 1

312 Glass Fuses 35 A Fast Blow 3AG (6.3 mm x 32 mm) 32 VAC 300 A at 32 VAC Holder / Clip Clip - 55 C + 125 C Bulk 1.3 mOhms
Littelfuse Cartridge Fuses 250V 1.25A Fast Acting
Datasheet
227In Stock
Min.: 1
Mult.: 1

312 Glass Fuses 1.25 A Fast Blow 3AG (6.3 mm x 32 mm) 250 VAC 10 kA at 125 VAC Holder / Clip Clip - 55 C + 125 C Bulk 7.145 Ohms
Littelfuse Cartridge Fuses 250V 1.25A Fast Acting
Datasheet
396In Stock
Min.: 1
Mult.: 1

312 Glass Fuses 1.25 A Fast Blow 3AG (6.3 mm x 32 mm) 250 VAC 10 kA at 125 VAC Holder / Clip Clip - 55 C + 125 C Bulk 7.145 Ohms
Littelfuse Cartridge Fuses 250V 1.75A Fast Acting
Datasheet
24In Stock
200Expected 4/5/2026
Min.: 1
Mult.: 1

312 Glass Fuses 1.75 A Fast Blow 3AG (6.3 mm x 32 mm) 250 VAC 10 kA at 125 VAC Holder / Clip Clip - 55 C + 125 C Bulk 85.55 mOhms
Littelfuse Cartridge Fuses 250V 2.25A Fast Acting
Datasheet
380In Stock
Min.: 1
Mult.: 1

312 Glass Fuses 2.25 A Fast Blow 3AG (6.3 mm x 32 mm) 250 VAC 10 kA at 125 VAC Holder / Clip Clip - 55 C + 125 C Bulk 59.35 mOhms
Littelfuse Cartridge Fuses 250V 2.25A Fast Acting
Datasheet
52In Stock
Min.: 1
Mult.: 1

312 Glass Fuses 2.25 A Fast Blow 3AG (6.3 mm x 32 mm) 250 VAC 10 kA at 125 VAC Holder / Clip Clip - 55 C + 125 C Bulk 59.35 mOhms
Littelfuse Cartridge Fuses 250V 5A Fast Acting
Datasheet
91In Stock
Min.: 1
Mult.: 1

312 Glass Fuses 5 A Fast Blow 3AG (6.3 mm x 32 mm) 250 VAC 10 kA at 125 VAC Holder / Clip Clip - 55 C + 125 C Bulk 22.4 mOhms
Littelfuse Cartridge Fuses 250V .187A Fast Acting 3AG
Datasheet
174In Stock
Min.: 1
Mult.: 1

312 Glass Fuses 187 mA Fast Blow 3AG (6.3 mm x 32 mm) 250 VAC 10 kA at 125 VAC Holder / Clip Clip - 55 C + 125 C Bulk 3.42 Ohms
Littelfuse Cartridge Fuses 250V 8A Fast Acting
Datasheet
4,094On Order
Min.: 1
Mult.: 1

312 Glass Fuses 8 A Fast Blow 3AG (6.3 mm x 32 mm) 250 VAC 10 kA at 125 V/200 A at 250 V Holder / Clip Clip - 55 C + 125 C Bulk 12.2 mOhms
Littelfuse Cartridge Fuses 250V 10A Fast Acting
Datasheet
3,496Expected 31/3/2026
Min.: 1
Mult.: 1

312 Glass Fuses 10 A Fast Blow 3AG (6.3 mm x 32 mm) 250 VAC 10 kA at 125 VAC Holder / Clip Clip - 55 C + 125 C Bulk 9.3 mOhms
Littelfuse Cartridge Fuses 32V 20A FA 3AG PB-FREE
Datasheet
299Expected 18/5/2026
Min.: 1
Mult.: 1

312 Glass Fuses 20 A Fast Blow 3AG (6.3 mm x 32 mm) 32 VAC 300 A at 32 VAC Holder / Clip Clip - 55 C + 125 C Bulk 3.45 mOhms
Littelfuse Cartridge Fuses 32V 20A Fast Acting
Datasheet
347Expected 10/4/2026
Min.: 1
Mult.: 1

312 Glass Fuses 20 A Fast Blow 3AG (6.3 mm x 32 mm) 32 VAC 300 A at 32 VAC Holder / Clip Clip - 55 C + 125 C Bulk 3.45 mOhms
Littelfuse Cartridge Fuses 250V FA 3AG 1.25AMP
Datasheet
835Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

312 Glass Fuses 1.25 A Fast Blow 3AG (6.3 mm x 32 mm) 250 VAC 10 kA at 125 VAC Holder / Clip Clip - 55 C + 125 C Bulk 7.145 Ohms
Littelfuse Cartridge Fuses 250V .062A FA 3AG CC PB-FREE
Datasheet
Non-Stocked Lead-Time 23 Weeks
Min.: 1,000
Mult.: 1,000

312 Glass Fuses 62 mA Fast Blow 3AG (6.3 mm x 32 mm) 250 VAC 10 kA at 125 VAC, 35 A at 250 VAC Holder / Clip Clip - 55 C + 125 C Bulk 24.7 Ohms
Littelfuse Cartridge Fuses 250V .100A FA 3AG CC PB-FREE
Datasheet
Non-Stocked Lead-Time 23 Weeks
Min.: 1
Mult.: 1

312 Glass Fuses 100 mA Fast Blow 3AG (6.3 mm x 32 mm) 250 VAC 10 kA at 125 VAC, 35 A at 250 VAC Holder / Clip Clip - 55 C + 125 C Bulk 11.28 Ohms
Littelfuse Cartridge Fuses 250V .100A FA 3AG CC PB-FREE
Datasheet
Non-Stocked Lead-Time 23 Weeks
Min.: 1,000
Mult.: 1,000

312 Glass Fuses 100 mA Fast Blow 3AG (6.3 mm x 32 mm) 250 VAC 10 kA at 125 VAC, 35 A at 250 VAC Holder / Clip Clip - 55 C + 125 C Bulk 11.28 Ohms
Littelfuse Cartridge Fuses 250V .125A FA 3AG CC PB-FREE
Datasheet
Non-Stocked Lead-Time 23 Weeks
Min.: 1
Mult.: 1

312 Glass Fuses 125 mA Fast Blow 3AG (6.3 mm x 32 mm) 250 VAC 10 kA at 125 VAC, 35 A at 250 VAC Holder / Clip Clip - 55 C + 125 C Bulk 7.145 Ohms
Littelfuse Cartridge Fuses 250V .125A FA 3AG CC PB-FREE
Datasheet
Non-Stocked Lead-Time 23 Weeks
Min.: 1,000
Mult.: 1,000

312 Glass Fuses 125 mA Fast Blow 3AG (6.3 mm x 32 mm) 250 VAC 10 kA at 125 VAC, 35 A at 250 VAC Holder / Clip Clip - 55 C + 125 C Bulk 7.145 Ohms
Littelfuse Cartridge Fuses 250V .15A Fast Acting 3AG
Datasheet
Non-Stocked Lead-Time 23 Weeks
Min.: 1,000
Mult.: 1,000

312 Glass Fuses 150 mA Fast Blow 3AG (6.3 mm x 32 mm) 250 VAC 10 kA at 125 VAC Holder / Clip Clip - 55 C + 125 C Bulk 5.13 Ohms