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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Qty. RoHS ECAD Model Series
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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 250V .05A
Datasheet
6,897In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

242 Surface Mount Fuses Fast Blow 50 mA 250 VAC 250 VDC 4 kA at 250 VAC, 4 kA at 250 VDC 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
2,422In Stock
2,400Expected 04/05/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500
242 Surface Mount Fuses 40 mA 250 VAC 250 VDC 4 kA at 250 VAC, 4 kA at 250 VDC 3.02 mm x 8.4 mm - 40 C + 125 C Reel, Cut Tape, MouseReel 16.48 Ohms
Littelfuse Surface Mount Fuses 250V .08A
Datasheet
1,703In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

242 Surface Mount Fuses Fast Blow 80 mA 250 VAC 250 VDC 4 kA at 250 VAC, 4 kA at 250 VDC 3.02 mm x 8.4 mm - 40 C + 125 C Reel, Cut Tape, MouseReel 8.19 Ohms
Littelfuse Surface Mount Fuses 250V .1A
Datasheet
998In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

242 Surface Mount Fuses Fast Blow 100 mA 250 VAC 250 VDC 4 kA at 250 VAC, 4 kA at 250 VDC 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
477In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

242 Surface Mount Fuses Fast Blow 125 mA 250 VAC 250 VDC 4 kA at 250 VAC, 4 kA at 250 VDC 3.02 mm x 8.4 mm - 40 C + 125 C Reel, Cut Tape, MouseReel 3.78 Ohms
Littelfuse Surface Mount Fuses 250V .2A
Datasheet
409In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

242 Surface Mount Fuses Fast Blow 200 mA 250 VAC 250 VDC 4 kA at 250 VAC, 4 kA at 250 VDC 3.02 mm x 8.4 mm - 40 C + 125 C Reel, Cut Tape, MouseReel 2.68 Ohms
Littelfuse Surface Mount Fuses 250V .25A
Datasheet
1,819In Stock
1,500Expected 01/06/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

242 Surface Mount Fuses Fast Blow 250 mA 250 VAC 250 VDC 4 kA at 250 VAC, 4 kA at 250 VDC 3.02 mm x 8.4 mm - 40 C + 125 C Reel, Cut Tape, MouseReel 1.6 Ohms
Littelfuse Surface Mount Fuses 250V .16A
Datasheet
220In Stock
1,000Expected 21/04/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

242 Surface Mount Fuses Fast Blow 160 mA 250 VAC 250 VDC 4 kA at 250 VAC, 4 kA at 250 VDC 3.02 mm x 8.4 mm - 40 C + 125 C Reel, Cut Tape, MouseReel 3 Ohms
Littelfuse Surface Mount Fuses Barrier SMT Fuse 250V-W/ Sand .050A
Datasheet
Non-Stocked Lead-Time 17 Weeks
Min.: 500
Mult.: 500
Reel: 500

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