154 Series OMNI-BLOK® Fuse & Holder Assemblies

Littelfuse 154 Series OMNI-BLOK® Fuse and Holder Assemblies offer a solution for efficient installation and easy replacement of miniature Nano2® surface-mount fuses. These devices include very fast-acting and time-lag options, easy fuse replacement, 260°C reflow capable fuse holder, and heat-resistant fuse holder. The 154 fuse and holder assemblies are RoHS-compliant and Halogen-free. These holders are sized to fit a range of Nano-type fuses. The 154 OMNI-BLOK fuse and holder assemblies operate at a temperature range of -55°C to 125°C and are UL/CSA/NMX 248-1, UL/CSA/NMX 248-14, and UL/CSA/NMX 4248-1 recognized.

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Description Datasheet Availability Pricing (IDR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
Product
Fuse Type
Current Rating
Voltage Rating AC
Voltage Rating DC
Interrupt Rating
Fuse Size/Group
Minimum Operating Temperature
Maximum Operating Temperature
Packaging
Resistance
Littelfuse Surface Mount Fuses ACS SMF OMNI-BLOK VFA RoHS 260C .250A
Datasheet
449In Stock
1.500Expected 28/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

154 Surface Mount Fuse with Fuse Holders Fast Blow 250 mA 125 VAC 125 VDC 50 A, 50 A 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 576.5 mOhms
Littelfuse Surface Mount Fuses Fuseblck w/fuse.315A OMNI BLOK 154
Datasheet
511In Stock
1.500Expected 20/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

154 Surface Mount Fuse with Fuse Holders Fast Blow 315 mA 125 VAC 125 VDC 50 A, 50 A 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 391.8 mOhms
Littelfuse Surface Mount Fuses ACS SMF OMNI-BLOK VFA RoHS 260C .500A
Datasheet
415In Stock
1.500Expected 10/11/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

154 Surface Mount Fuse with Fuse Holders Fast Blow 500 mA 125 VAC 125 VDC 50 A, 50 A 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 420 mOhms
Littelfuse Surface Mount Fuses Fuseblck w/ fuse.63A OMNI BLOK 154
Datasheet
175In Stock
3.000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

154 Surface Mount Fuse with Fuse Holders Fast Blow 630 mA 125 VAC 125 VDC 50 A, 50 A 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 305 mOhms
Littelfuse Surface Mount Fuses Fuseblck w/ fuse .8A OMNI BLOK 154
Datasheet
507In Stock
1.500Expected 01/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

154 Surface Mount Fuse with Fuse Holders Fast Blow 800 mA 125 VAC 125 VDC 50 A, 50 A 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 212 mOhms
Littelfuse Surface Mount Fuses ACS SMF OMNI-BLOK VFA RoHS 260C 3A
Datasheet
77In Stock
1.500Expected 01/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

154 Surface Mount Fuse with Fuse Holders Fast Blow 3 A 125 VAC 125 VDC 50 A, 50 A 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 22.7 mOhms
Littelfuse Surface Mount Fuses Fuseblock w/ fuse 8A OMNI BLOK 154
Datasheet
534In Stock
16.500On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

154 Surface Mount Fuse with Fuse Holders Fast Blow 8 A 125 VAC 125 VDC 50 A, 50 A 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 7.7 mOhms
Littelfuse Surface Mount Fuses Fuseblck w/fuse1.25A OMNI BLOK 154
Datasheet
742In Stock
1.500Expected 01/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

154 Surface Mount Fuse with Fuse Holders Fast Blow 1.25 A 125 VAC 125 VDC 50 A, 50 A 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 78 mOhms
Littelfuse Surface Mount Fuses Fuseblck w/ fuse .1A OMNI BLOK 154
Datasheet
8.995On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

154 Surface Mount Fuse with Fuse Holders Fast Blow 100 mA 125 VAC 125 VDC 50 A, 50 A 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 3.1 Ohms
Littelfuse Surface Mount Fuses Fuseblock w/ fuse 4A OMNI BLOK 154T
Datasheet
61.303On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

154 Surface Mount Fuse with Fuse Holders Time Delay / Slow Blow 4 A 125 VAC 125 VDC 50 A, 50 A 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 18.6 mOhms
Littelfuse Surface Mount Fuses Fuseblck w/ fuse3.5A OMNI BLOK 154
Datasheet
6.435On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

154 Surface Mount Fuse with Fuse Holders Fast Blow 3.5 A 125 VAC 125 VDC 50 A, 50 A 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 20 mOhms
Littelfuse Surface Mount Fuses Fuseblck w/fuse3.15A OMNI BLOK 154
Datasheet
1.476Expected 07/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

154 Surface Mount Fuse with Fuse Holders Fast Blow 3.15 A 125 VAC 125 VDC 50 A, 50 A 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 21.5 mOhms
Littelfuse Surface Mount Fuses Fuseblck w/ fuse .8A OMNI BLOK 154
Datasheet
Non-Stocked Lead-Time 27 Weeks
Min.: 1.500
Mult.: 1.500
: 1.500

154 Surface Mount Fuse with Fuse Holders Fast Blow 80 mA 125 VAC 125 VDC OMNI-BLOK Reel
Littelfuse Surface Mount Fuses 260C .080A VFA OMNI Block
Datasheet
Non-Stocked Lead-Time 27 Weeks
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

154 Surface Mount Fuse with Fuse Holders Fast Blow 80 mA 125 VAC 125 VDC NANO Reel, Cut Tape, MouseReel 4.05 Ohms
Littelfuse Surface Mount Fuses 260C .100A VFA OMNI Block
Datasheet
Non-Stocked Lead-Time 27 Weeks
Min.: 1.500
Mult.: 1.500
: 1.500

154 Surface Mount Fuse with Fuse Holders Fast Blow 100 mA 72 VAC 60 VDC NANO Reel
Littelfuse Surface Mount Fuses 260C .160A VFA OMNI Block
Datasheet
Non-Stocked Lead-Time 27 Weeks
Min.: 1.500
Mult.: 1.500
: 1.500

154 Surface Mount Fuse with Fuse Holders Fast Blow 160 mA 72 VAC 60 VDC NANO Reel
Littelfuse Surface Mount Fuses 260C .200A VFA OMNI Block
Datasheet
Non-Stocked Lead-Time 27 Weeks
Min.: 1.500
Mult.: 1.500
: 1.500

154 Surface Mount Fuse with Fuse Holders Fast Blow 200 mA 72 VAC 60 VDC NANO Reel
Littelfuse Surface Mount Fuses 260C .315A VFA OMNI Block
Datasheet
Non-Stocked Lead-Time 27 Weeks
Min.: 1.500
Mult.: 1.500
: 1.500

154 Surface Mount Fuse with Fuse Holders Fast Blow 315 mA 72 VAC 60 VDC NANO Reel
Littelfuse Surface Mount Fuses ACS SMF OMNI-BLOK VFA RoHS 260C .375A
Datasheet
Non-Stocked Lead-Time 23 Weeks
Min.: 1.500
Mult.: 1.500
: 1.500

154 Surface Mount Fuse with Fuse Holders Fast Blow 375 mA 72 VAC 60 VDC OMNI-BLOK Reel
Littelfuse Surface Mount Fuses ACS SMF OMNI-BLOK SB RoHS 260C .375A
Datasheet
Non-Stocked Lead-Time 23 Weeks
Min.: 1.500
Mult.: 1.500
: 1.500

154 Surface Mount Fuse with Fuse Holders Time Delay / Slow Blow 375 mA 125 VAC 125 VDC OMNI-BLOK Reel 1.2 Ohms
Littelfuse Surface Mount Fuses 260C .400A VFA OMNI Block
Datasheet
Non-Stocked Lead-Time 23 Weeks
Min.: 1.500
Mult.: 1.500
: 1.500

154 Surface Mount Fuse with Fuse Holders Fast Blow 400 mA 72 VAC 60 VDC NANO Reel
Littelfuse Surface Mount Fuses 260C .630A VFA OMNI Block
Datasheet
Non-Stocked Lead-Time 23 Weeks
Min.: 1.500
Mult.: 1.500
: 1.500

154 Surface Mount Fuse with Fuse Holders Fast Blow 630 mA 72 VAC 60 VDC NANO Reel
Littelfuse Surface Mount Fuses ACS SMF OMNI-BLOK SB RoHS 260C .750A
Datasheet
Non-Stocked Lead-Time 23 Weeks
Min.: 1.500
Mult.: 1.500
: 1.500

154 Surface Mount Fuse with Fuse Holders Time Delay / Slow Blow 750 mA 125 VAC 125 VDC OMNI-BLOK Reel 360 mOhms
Littelfuse Surface Mount Fuses 260C .800A VFA OMNI Block
Datasheet
Non-Stocked Lead-Time 23 Weeks
Min.: 1.500
Mult.: 1.500
: 1.500

154 Surface Mount Fuse with Fuse Holders Fast Blow 800 mA 72 VAC 60 VDC NANO Reel
Littelfuse Surface Mount Fuses ACS SMF OMNI-BLOK VFA RoHS 260C 1.5A
Datasheet
Non-Stocked Lead-Time 23 Weeks
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

154 Surface Mount Fuse with Fuse Holders Fast Blow 1.5 A 72 VAC 60 VDC OMNI-BLOK Reel, Cut Tape, MouseReel