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 (SGD) 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 .125A
Datasheet
1,507In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

154 Surface Mount Fuse with Fuse Holders Fast Blow 125 mA 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 1.7 Ohms
Littelfuse Surface Mount Fuses ACS SMF OMNI-BLOK VFA RoHS 260C 4A
Datasheet
1,386In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

154 Surface Mount Fuse with Fuse Holders Fast Blow 4 A 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 16 mOhms
Littelfuse Surface Mount Fuses Fuseblck w/ fuse .4A OMNI BLOK 154
Datasheet
2,273In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

154 Surface Mount Fuse with Fuse Holders Fast Blow 400 mA 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 560 mOhms
Littelfuse Surface Mount Fuses ACS SMF OMNI-BLOK VFA RoHS 260C 7A
Datasheet
1,378In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

154 Surface Mount Fuse with Fuse Holders Fast Blow 7 A 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 9 mOhms
Littelfuse Surface Mount Fuses ACS SMF OMNI-BLOK SB RoHS 260C 1.5A
Datasheet
630In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

154 Surface Mount Fuse with Fuse Holders Time Delay / Slow Blow 1.5 A 125 VAC 125 VDC OMNI-BLOK Reel, Cut Tape, MouseReel 93 mOhms
Littelfuse Surface Mount Fuses Fuseblck w/fuse.062A OMNI BLOK 154
Datasheet
9,749In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

154 Surface Mount Fuse with Fuse Holders Fast Blow 62 mA 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 5.5 Ohms
Littelfuse Surface Mount Fuses Fuseblck w/ fuse.75A OMNI BLOK 154T
Datasheet
8,011In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

154 Surface Mount Fuse with Fuse Holders Time Delay / Slow Blow 750 mA 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 360 mOhms
Littelfuse Surface Mount Fuses Fuseblock w/ fuse 1A OMNI BLOK 154
Datasheet
20,489In Stock
10,500Expected 24/8/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

154 Surface Mount Fuse with Fuse Holders Fast Blow 1 A 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 153 mOhms
Littelfuse Surface Mount Fuses Fuseblock w/ fuse 1A OMNI BLOK 154T
Datasheet
17,188In Stock
10,878Expected 24/3/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

154 Surface Mount Fuse with Fuse Holders Time Delay / Slow Blow 1 A 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 225 mOhms
Littelfuse Surface Mount Fuses Fuseblock w/fuse 2A OMNI BLOK 154T SLOW
Datasheet
19,161In Stock
12,000Expected 24/3/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

154 Surface Mount Fuse with Fuse Holders Time Delay / Slow Blow 2 A 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 62.5 mOhms
Littelfuse Surface Mount Fuses Fuseblock w/ fuse 3A OMNI BLOK 154T
Datasheet
25,633In Stock
12,000Expected 24/8/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

154 Surface Mount Fuse with Fuse Holders Time Delay / Slow Blow 3 A 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 34 mOhms
Littelfuse Surface Mount Fuses Fuseblock w/ fuse 4A OMNI BLOK 154T
Datasheet
17,018In Stock
19,500Expected 16/6/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

154 Surface Mount Fuse with Fuse Holders Time Delay / Slow Blow 4 A 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 18.6 mOhms
Littelfuse Surface Mount Fuses Fuseblck w/ fuse1.5A OMNI BLOK 154
Datasheet
12,743In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

154 Surface Mount Fuse with Fuse Holders Fast Blow 1.5 A 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 63 mOhms
Littelfuse Surface Mount Fuses ACS SMF OMNI-BLOK VFA RoHS 260C 6.3A
Datasheet
1,315In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

154 Surface Mount Fuse with Fuse Holders Fast Blow 6.3 A 72 VAC 60 VDC OMNI-BLOK Reel, Cut Tape, MouseReel
Littelfuse Surface Mount Fuses Fuseblck w/ fuse .1A OMNI BLOK 154
Datasheet
3,523In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

154 Surface Mount Fuse with Fuse Holders Fast Blow 100 mA 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 3.1 Ohms
Littelfuse Surface Mount Fuses Fuseblck w/ fuse .2A OMNI BLOK 154
Datasheet
1,056In Stock
1,500Expected 31/3/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

154 Surface Mount Fuse with Fuse Holders Fast Blow 200 mA 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 837.2 mOhms
Littelfuse Surface Mount Fuses Fuseblck w/ fuse.25A OMNI BLOK 154
Datasheet
5,046In Stock
13,500On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

154 Surface Mount Fuse with Fuse Holders Fast Blow 250 mA 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 1.05 Ohms
Littelfuse Surface Mount Fuses ACS SMF OMNI-BLOK VFA RoHS 260C .250A
Datasheet
982In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

154 Surface Mount Fuse with Fuse Holders Fast Blow 250 mA 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC 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
1,479In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

154 Surface Mount Fuse with Fuse Holders Fast Blow 315 mA 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 391.8 mOhms
Littelfuse Surface Mount Fuses Fuseblck w/fuse.375A OMNI BLOK 154
Datasheet
5,607In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

154 Surface Mount Fuse with Fuse Holders Fast Blow 375 mA 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 610 mOhms
Littelfuse Surface Mount Fuses Fuseblck w/ fuse .5A OMNI BLOK 154
Datasheet
2,743In Stock
10,500On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

154 Surface Mount Fuse with Fuse Holders Fast Blow 500 mA 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 420 mOhms
Littelfuse Surface Mount Fuses ACS SMF OMNI-BLOK VFA RoHS 260C .500A
Datasheet
1,676In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

154 Surface Mount Fuse with Fuse Holders Fast Blow 500 mA 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 420 mOhms
Littelfuse Surface Mount Fuses Fuseblck w/ fuse .5A OMNI BLOK 154T
Datasheet
6,045In Stock
1,475Expected 1/4/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

154 Surface Mount Fuse with Fuse Holders Time Delay / Slow Blow 500 mA 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 700 mOhms
Littelfuse Surface Mount Fuses ACS SMF OMNI-BLOK SB RoHS 260C .500A
Datasheet
1,338In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

154 Surface Mount Fuse with Fuse Holders Time Delay / Slow Blow 500 mA 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 700 mOhms
Littelfuse Surface Mount Fuses Fuseblck w/ fuse.63A OMNI BLOK 154
Datasheet
1,468In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

154 Surface Mount Fuse with Fuse Holders Fast Blow 630 mA 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 305 mOhms