General Port Protection Solutions

Littelfuse General Port Protection provides a wide array of solutions for power and communication ports. Ports need protection from common electrical hazards such as lightning surges, induced power surges, power cross, electrical fast transient, electrostatic discharge, and short-circuits due to aging wires or installation errors. Littelfuse General Port Protection products are ideal for automotive, building automation, consumer electronics, and industrial applications.

Results: 181
Select Image Part #
 Mfr.
Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS Product Type
Fuse Size/Group
Body Style
Current Rating
Voltage Rating AC
Voltage Rating DC
Littelfuse Cartridge Fuses 250V .175A Slo-Blo 3AG
Datasheet
977In Stock
Min.: 1
Mult.: 1

General Fuse 3AG (6.3 mm x 32 mm) Cylindrical 175 mA 250 VAC
Littelfuse Cartridge Fuses 250V .187A Slo-Blo 3AG
Datasheet
189In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AG (6.3 mm x 32 mm) Cylindrical 187 mA 250 VAC
Littelfuse Cartridge Fuses 250V .187A Slo-Blo 3AG
Datasheet
341In Stock
Min.: 1
Mult.: 1

Glass Fuse 3AG (6.3 mm x 32 mm) Cylindrical 187 mA 250 VAC
Littelfuse Cartridge Fuses 250V .2A Slo-Blo 3AG
Datasheet
447In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AG (6.3 mm x 32 mm) Cylindrical 200 mA 250 VAC
Littelfuse Cartridge Fuses 250V SB 3AG 0.2AMP
Datasheet
7In Stock
Min.: 1
Mult.: 1

3AG (6.3 mm x 32 mm) Cylindrical 200 mA 250 VAC
Littelfuse Cartridge Fuses 250V .25A Slo-Blo 3AG
Datasheet
1,034In Stock
4,100On Order
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AG (6.3 mm x 32 mm) Cylindrical 250 mA 250 VAC
Littelfuse Cartridge Fuses 250V .25A Slo-Blo 3AG
Datasheet
1,521In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AG (6.3 mm x 32 mm) Cylindrical 250 mA 250 VAC
Littelfuse Cartridge Fuses 250V SB 3AG 0.25AMP
Datasheet
25In Stock
Min.: 1
Mult.: 1

3AG (6.3 mm x 32 mm) Cylindrical 250 mA 250 VAC
Littelfuse Cartridge Fuses 250V SB 3AG 0.3AMP
Datasheet
1In Stock
15Expected 21/05/2026
Min.: 1
Mult.: 1

3AG (6.3 mm x 32 mm) Cylindrical 300 mA 250 VAC
Littelfuse Cartridge Fuses 250V .375A Slo-Blo 3AG
Datasheet
350In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Glass Fuse 3AG (6.3 mm x 32 mm) Cylindrical 375 mA 250 VAC
Littelfuse Cartridge Fuses 250V .4A Slo-Blo 3AG
Datasheet
148In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AG (6.3 mm x 32 mm) Cylindrical 400 mA 250 VAC
Littelfuse Cartridge Fuses 250V .500A SB 3AG IND PB-FREE
Datasheet
34In Stock
100Expected 11/05/2026
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AG (6.3 mm x 32 mm) Cylindrical 500 mA 250 VAC
Littelfuse Cartridge Fuses 250V .5A Slo-Blo 3AG
Datasheet
1,024In Stock
Min.: 1
Mult.: 1

Cartridge Fuse 3AG (6.3 mm x 32 mm) Cylindrical 500 mA 250 VAC
Littelfuse Cartridge Fuses 250V SB 3AG 0.5AMP
Datasheet
284In Stock
Min.: 1
Mult.: 1

3AG (6.3 mm x 32 mm) Cylindrical 500 mA 250 VAC
Littelfuse Cartridge Fuses 250V .6A Slo-Blo 3AG
Datasheet
Product Comments
145In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AG (6.3 mm x 32 mm) Cylindrical 600 mA 250 VAC
Littelfuse Cartridge Fuses 250V .6A Slo-Blo 3AG
Datasheet
774In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AG (6.3 mm x 32 mm) Cylindrical 600 mA 250 VAC
Littelfuse Cartridge Fuses 250V SB 3AG 0.6AMP
Datasheet
9In Stock
Min.: 1
Mult.: 1

3AG (6.3 mm x 32 mm) Cylindrical 600 mA 250 VAC
Littelfuse Cartridge Fuses 250V .8A Slo-Blo 3AG
Datasheet
245In Stock
600On Order
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AG (6.3 mm x 32 mm) Cylindrical 800 mA 250 VAC
Littelfuse Cartridge Fuses 250V .8A Slo-Blo 3AG
Datasheet
944In Stock
1,000Expected 28/04/2026
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AG (6.3 mm x 32 mm) Cylindrical 800 mA 250 VAC
Littelfuse Cartridge Fuses 250V 1A SB 3AG IND PB-FREE
Datasheet
83In Stock
Min.: 1
Mult.: 1

3AG (6.3 mm x 32 mm) Cylindrical 1 A 250 VAC
Littelfuse Cartridge Fuses 250V SB 3AG 1AMP
Datasheet
12In Stock
Min.: 1
Mult.: 1

3AG (6.3 mm x 32 mm) Cylindrical 1 A 250 VAC
Littelfuse Cartridge Fuses 250V 2A
Datasheet
599In Stock
Min.: 1
Mult.: 1

3AG (6.3 mm x 32 mm) Cylindrical 2 A 250 VAC
Littelfuse Cartridge Fuses 250V 2A Slo-Blo 3AG
Datasheet
11In Stock
Min.: 1
Mult.: 1

3AG (6.3 mm x 32 mm) Cylindrical 2 A 250 VAC
Littelfuse Cartridge Fuses 250V SB 3AG 2AMP
Datasheet
102In Stock
Min.: 1
Mult.: 1

3AG (6.3 mm x 32 mm) Cylindrical 2 A 250 VAC
Littelfuse Cartridge Fuses 250V 3A SB 3AG IND PB-FREE
Datasheet
43In Stock
100Expected 25/05/2026
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AG (6.3 mm x 32 mm) Cylindrical 3 A 250 VAC