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 (DKK) 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 4A
Datasheet
1.277In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

154 Surface Mount Fuse with Fuse Holders Fast 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 16 mOhms
Littelfuse Surface Mount Fuses ACS SMF OMNI-BLOK SB RoHS 260C 1A
Datasheet
4.291In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

154 Surface Mount Fuse with Fuse Holders Time Delay / Slow Blow 1 A 125 VAC 125 VDC 50 A, 50 A 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 225 mOhms
Littelfuse Surface Mount Fuses ACS SMF OMNI-BLOK VFA RoHS 260C 7A
Datasheet
1.173In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

154 Surface Mount Fuse with Fuse Holders Fast Blow 7 A 125 VAC 125 VDC 50 A, 50 A 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
384In Stock
1.500Expected 10/08/2026
MouseReel Available
Min.: 1
Mult.: 1
: 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.25A OMNI BLOK 154
Datasheet
15.438In Stock
12.000Expected 17/09/2026
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 1.05 Ohms
Littelfuse Surface Mount Fuses Fuseblck w/ fuse .5A OMNI BLOK 154
Datasheet
20.330In Stock
16.500On Order
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 Fuseblock w/ fuse 1A OMNI BLOK 154
Datasheet
31.658In Stock
25.500Expected 27/08/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

154 Surface Mount Fuse with Fuse Holders Fast Blow 1 A 125 VAC 125 VDC 50 A, 50 A 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
15.929In Stock
42.000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

154 Surface Mount Fuse with Fuse Holders Time Delay / Slow Blow 1 A 125 VAC 125 VDC 50 A, 50 A 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
36.624In Stock
7.500Expected 21/07/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

154 Surface Mount Fuse with Fuse Holders Time Delay / Slow Blow 2 A 125 VAC 125 VDC 50 A, 50 A 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
33.517In Stock
33.656On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

154 Surface Mount Fuse with Fuse Holders Time Delay / Slow 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 34 mOhms
Littelfuse Surface Mount Fuses Fuseblock w/ fuse 4A OMNI BLOK 154
Datasheet
22.211In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

154 Surface Mount Fuse with Fuse Holders Fast 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 16 mOhms
Littelfuse Surface Mount Fuses Fuseblock w/ fuse 4A OMNI BLOK 154T
Datasheet
27.139In Stock
16.500Expected 06/10/2026
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 Fuseblock w/ fuse 5A OMNI BLOK 154T
Datasheet
44.658In Stock
28.500Expected 04/08/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

154 Surface Mount Fuse with Fuse Holders Time Delay / Slow Blow 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 13.6 mOhms
Littelfuse Surface Mount Fuses Fuse with Holder 10A FAST OMNI BLOK 154
Datasheet
43.292On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

154 Surface Mount Fuse with Fuse Holders Fast Blow 10 A 125 VAC 125 VDC 50 A, 50 A 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 5.6 mOhms
Littelfuse Surface Mount Fuses Fuseblck w/ fuse3.5A OMNI BLOK 154T
Datasheet
7.386In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

154 Surface Mount Fuse with Fuse Holders Time Delay / Slow 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 22.4 mOhms
Littelfuse Surface Mount Fuses Fuseblck w/ fuse6.3A OMNI BLOK 154
Datasheet
14.318In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

154 Surface Mount Fuse with Fuse Holders Fast Blow 6.3 A 125 VAC 125 VDC 50 A, 50 A 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 9.6 mOhms
Littelfuse Surface Mount Fuses ACS SMF OMNI-BLOK VFA RoHS 260C 6.3A
Datasheet
1.273In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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.062A OMNI BLOK 154
Datasheet
1.793In Stock
12.000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

154 Surface Mount Fuse with Fuse Holders Fast Blow 62 mA 125 VAC 125 VDC 50 A, 50 A 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.125A OMNI BLOK 154
Datasheet
1.339In Stock
4.500On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

154 Surface Mount Fuse with Fuse Holders Fast Blow 125 mA 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 ACS SMF OMNI-BLOK VFA RoHS 260C .125A
Datasheet
1.241In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

154 Surface Mount Fuse with Fuse Holders Fast Blow 125 mA 125 VAC 125 VDC 50 A, 50 A 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 1.7 Ohms
Littelfuse Surface Mount Fuses Fuseblck w/ fuse.16A OMNI BLOK 154
Datasheet
1.572In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

154 Surface Mount Fuse with Fuse Holders Fast Blow 160 mA 125 VAC 125 VDC 50 A, 50 A 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 1.2157 Ohms
Littelfuse Surface Mount Fuses Fuseblck w/ fuse .2A OMNI BLOK 154
Datasheet
1.434In Stock
1.500Expected 16/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

154 Surface Mount Fuse with Fuse Holders Fast Blow 200 mA 125 VAC 125 VDC 50 A, 50 A 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.375A OMNI BLOK 154
Datasheet
2.850In Stock
3.000Expected 18/11/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

154 Surface Mount Fuse with Fuse Holders Fast Blow 375 mA 125 VAC 125 VDC 50 A, 50 A 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 610 mOhms
Littelfuse Surface Mount Fuses Fuseblck w/ fuse .4A OMNI BLOK 154
Datasheet
1.216In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

154 Surface Mount Fuse with Fuse Holders Fast Blow 400 mA 125 VAC 125 VDC 50 A, 50 A 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 560 mOhms
Littelfuse Surface Mount Fuses Fuseblck w/ fuse .5A OMNI BLOK 154T
Datasheet
6.687In Stock
13.500On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

154 Surface Mount Fuse with Fuse Holders Time Delay / Slow 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 700 mOhms