242 Barrier Network Fuses

Littelfuse 242 Barrier Network Fuses are designed to enable greater safety for electronic equipment within potentially explosive environments. Littelfuse 242 Barrier Network Fuses are available in both axial lead and surface mount versions. These fuses operate at a temperature range of -40°C to +125°C and withstand 5 cycles of -55°C to +125°C thermal shock. The barrier network fuses come in 3.02mm x 8.4mm. Typical applications include intrinsic safety electrical equipment, electrical connections and components, and test equipment.

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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
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Voltage Rating AC
Voltage Rating DC
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Maximum Operating Temperature
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Resistance
Littelfuse Surface Mount Fuses 250V .05A
Datasheet
7.852In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500

242 Surface Mount Fuses Fast Blow 50 mA 250 VAC 250 VDC 4 kA, 4 kA 3.02 mm x 8.4 mm - 40 C + 125 C Reel, Cut Tape, MouseReel 16.48 Ohms
Littelfuse Surface Mount Fuses Barrier SMT Fuse
Datasheet
1.735In Stock
4.500On Order
MouseReel Available
Min.: 1
Mult.: 1
: 500
242 Surface Mount Fuses 40 mA 250 VAC 250 VDC 4 kA, 4 kA 3.02 mm x 8.4 mm - 40 C + 125 C Reel, Cut Tape, MouseReel 16.48 Ohms
Littelfuse Surface Mount Fuses 250V .1A
Datasheet
1.560In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500

242 Surface Mount Fuses Fast Blow 100 mA 250 VAC 250 VDC 4 kA, 4 kA 3.02 mm x 8.4 mm - 40 C + 125 C Reel, Cut Tape, MouseReel 3.6 Ohms
Littelfuse Surface Mount Fuses 250V .125A BARRIER SMT
Datasheet
472In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500

242 Surface Mount Fuses Fast Blow 125 mA 250 VAC 250 VDC 4 kA, 4 kA 3.02 mm x 8.4 mm - 40 C + 125 C Reel, Cut Tape, MouseReel 3.78 Ohms
Littelfuse Surface Mount Fuses 250V .16A
Datasheet
968In Stock
500Expected 24/08/2026
MouseReel Available
Min.: 1
Mult.: 1
: 500

242 Surface Mount Fuses Fast Blow 160 mA 250 VAC 250 VDC 4 kA, 4 kA 3.02 mm x 8.4 mm - 40 C + 125 C Reel, Cut Tape, MouseReel 3 Ohms
Littelfuse Surface Mount Fuses 250V .25A
Datasheet
2.774In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500

242 Surface Mount Fuses Fast Blow 250 mA 250 VAC 250 VDC 4 kA, 4 kA 3.02 mm x 8.4 mm - 40 C + 125 C Reel, Cut Tape, MouseReel 1.6 Ohms
Littelfuse Surface Mount Fuses 250V .08A
Datasheet
16In Stock
1.000Expected 03/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 500

242 Surface Mount Fuses Fast Blow 80 mA 250 VAC 250 VDC 4 kA, 4 kA 3.02 mm x 8.4 mm - 40 C + 125 C Reel, Cut Tape, MouseReel 8.19 Ohms
Littelfuse Surface Mount Fuses 250V .2A
Datasheet
18In Stock
500Expected 21/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 500

242 Surface Mount Fuses Fast Blow 200 mA 250 VAC 250 VDC 4 kA, 4 kA 3.02 mm x 8.4 mm - 40 C + 125 C Reel, Cut Tape, MouseReel 2.68 Ohms
Littelfuse Surface Mount Fuses Barrier SMT Fuse 250V-W/ Sand .050A
Datasheet
Non-Stocked Lead-Time 19 Weeks
MouseReel Available
Min.: 1
Mult.: 1
: 500

242 Surface Mount Fuses Fast Blow 50 mA 250 VAC 250 VDC 4 kA, 4 kA 3.02 mm x 8.4 mm - 40 C + 125 C Reel, Cut Tape, MouseReel 11.34 Ohms