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 (EUR) 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 Fuseblck w/ fuse .4A OMNI BLOK 154
Datasheet
1.156In 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 ACS SMF OMNI-BLOK SB RoHS 260C 1A
Datasheet
3.982In 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 4A
Datasheet
1.226In 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 Fuseblck w/ fuse .5A OMNI BLOK 154
Datasheet
15.099In Stock
13.500Expected 9/21/2026
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 .5A OMNI BLOK 154T
Datasheet
11.212In Stock
7.500Expected 11/9/2026
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
Littelfuse Surface Mount Fuses Fuseblck w/ fuse.75A OMNI BLOK 154
Datasheet
8.205In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

154 Surface Mount Fuse with Fuse Holders Fast Blow 750 mA 125 VAC 125 VDC 50 A, 50 A 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 245 mOhms
Littelfuse Surface Mount Fuses Fuseblock w/ fuse 1A OMNI BLOK 154
Datasheet
16.843In Stock
55.125On Order
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
16.290In Stock
64.500On 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 154
Datasheet
28.325In Stock
25.500Expected 11/19/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

154 Surface Mount Fuse with Fuse Holders Fast 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 36.7 mOhms
Littelfuse Surface Mount Fuses Fuseblock w/fuse 2A OMNI BLOK 154T SLOW
Datasheet
27.548In Stock
25.500Expected 12/15/2026
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
23.768In Stock
60.000On 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
15.283In Stock
12.000Expected 10/14/2026
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 5A OMNI BLOK 154T
Datasheet
55.200In Stock
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 Fuseblck w/ fuse1.5A OMNI BLOK 154
Datasheet
26.093In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

154 Surface Mount Fuse with Fuse Holders Fast Blow 1.5 A 125 VAC 125 VDC 50 A, 50 A 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 63 mOhms
Littelfuse Surface Mount Fuses Fuseblck w/ fuse1.5A OMNI BLOK 154T
Datasheet
12.989In Stock
12.000Expected 11/30/2026
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 50 A, 50 A 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 93 mOhms
Littelfuse Surface Mount Fuses ACS SMF OMNI-BLOK SB RoHS 260C 1.5A
Datasheet
1.836In Stock
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/ fuse2.5A OMNI BLOK 154T
Datasheet
15.174In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

154 Surface Mount Fuse with Fuse Holders Time Delay / Slow Blow 2.5 A 125 VAC 125 VDC 50 A, 50 A 9.73 mm x 5.03 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 45 mOhms
Littelfuse Surface Mount Fuses Fuseblck w/ fuse3.5A OMNI BLOK 154T
Datasheet
6.318In 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
9.028In Stock
10.500Expected 10/29/2026
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
1.221In 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
5.513In Stock
14.825On 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
5.314In 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 78 mOhms
Littelfuse Surface Mount Fuses ACS SMF OMNI-BLOK VFA RoHS 260C .125A
Datasheet
1.066In 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
1.254In 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.25A OMNI BLOK 154
Datasheet
12.366In Stock
12.000Expected 10/15/2026
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