Surface Mount Fuses – Mouser Puerto Rico

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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	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
Surface Mount Fuses 250V .16A 0242.160UR Littelfuse 1: $7.42 A tariff of 10% may be applied if shipping to the United States. 1,346In Stock	Mfr. Part # 0242.160UR Mouser Part # 576-0242.160UR	Littelfuse	Surface Mount Fuses 250V .16A Learn More about Littelfuse 242 barrier fuses	Datasheet	1,346In Stock	Cut Tape $7.42 $6.84 $6.56 $5.07 Reel $3.55 View $4.35 $4.05 $3.47 MouseReel Available A tariff of 10% may be applied if shipping to the United States.	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
Surface Mount Fuses Barrier SMT Fuse 0242.040UR Littelfuse 1: $10.11 A tariff of 10% may be applied if shipping to the United States. 7,984In Stock	Mfr. Part # 0242.040UR Mouser Part # 576-0242.040UR	Littelfuse	Surface Mount Fuses Barrier SMT Fuse Learn More about Littelfuse 242 barrier fuses	Datasheet	7,984In Stock	Cut Tape $10.11 $9.00 $8.50 $6.77 View Reel $5.06 $5.99 $5.51 $5.06 MouseReel Available A tariff of 10% may be applied if shipping to the United States.	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
Surface Mount Fuses 250V .05A 0242.050UR Littelfuse 1: $7.25 A tariff of 10% may be applied if shipping to the United States. 14,947In Stock	Mfr. Part # 0242.050UR Mouser Part # 576-0242.050UR	Littelfuse	Surface Mount Fuses 250V .05A Learn More about Littelfuse 242 barrier fuses	Datasheet	14,947In Stock	Cut Tape $7.25 $6.40 $6.06 $4.90 View Reel $3.98 $4.37 $4.02 $3.98 MouseReel Available A tariff of 10% may be applied if shipping to the United States.	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
Surface Mount Fuses 250V .08A 0242.080UR Littelfuse 1: $7.90 A tariff of 10% may be applied if shipping to the United States. 1,700In Stock 2,000Expected 11/23/2026	Mfr. Part # 0242.080UR Mouser Part # 576-0242.080UR	Littelfuse	Surface Mount Fuses 250V .08A Learn More about Littelfuse 242 barrier fuses	Datasheet	1,700In Stock 2,000Expected 11/23/2026	Cut Tape $7.90 $7.12 $6.47 $5.45 View Reel $3.98 $4.70 $4.30 $3.98 MouseReel Available A tariff of 10% may be applied if shipping to the United States.	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
Surface Mount Fuses 250V .125A BARRIER SMT 0242.125UR Littelfuse 1: $7.88 A tariff of 10% may be applied if shipping to the United States. 668In Stock	Mfr. Part # 0242.125UR Mouser Part # 576-0242.125UR	Littelfuse	Surface Mount Fuses 250V .125A BARRIER SMT Learn More about Littelfuse 242 barrier fuses	Datasheet	668In Stock	Cut Tape $7.88 $7.12 $6.44 $5.44 View Reel $3.98 $4.67 $4.28 $3.98 MouseReel Available A tariff of 10% may be applied if shipping to the United States.	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
Surface Mount Fuses 250V .2A 0242.200UR Littelfuse 1: $7.65 A tariff of 10% may be applied if shipping to the United States. 405In Stock 1,500Expected 12/15/2026	Mfr. Part # 0242.200UR Mouser Part # 576-0242.200UR	Littelfuse	Surface Mount Fuses 250V .2A Learn More about Littelfuse 242 barrier fuses	Datasheet	405In Stock 1,500Expected 12/15/2026	Cut Tape $7.65 $6.96 $6.57 $5.22 Reel $3.72 View $4.48 $4.18 $3.47 MouseReel Available A tariff of 10% may be applied if shipping to the United States.	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
Surface Mount Fuses 250V .25A 0242.250UR Littelfuse 1: $8.41 A tariff of 10% may be applied if shipping to the United States. 1,990In Stock	Mfr. Part # 0242.250UR Mouser Part # 576-0242.250UR	Littelfuse	Surface Mount Fuses 250V .25A Learn More about Littelfuse 242 barrier fuses	Datasheet	1,990In Stock	Cut Tape $8.41 $7.54 $6.86 $5.56 View Reel $3.98 $5.00 $4.58 $3.98 MouseReel Available A tariff of 10% may be applied if shipping to the United States.	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
Surface Mount Fuses 250V .1A 0242.100UR Littelfuse 1: $6.94 A tariff of 10% may be applied if shipping to the United States. 3,000Expected 11/23/2026	Mfr. Part # 0242.100UR Mouser Part # 576-0242.100UR	Littelfuse	Surface Mount Fuses 250V .1A Learn More about Littelfuse 242 barrier fuses	Datasheet	3,000Expected 11/23/2026	Cut Tape $6.94 $6.44 $5.89 $5.22 View Reel $3.98 $4.60 $4.19 $3.98 MouseReel Available A tariff of 10% may be applied if shipping to the United States.	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
Surface Mount Fuses Barrier SMT Fuse 250V-W/ Sand .050A 0242.050URS Littelfuse 1: $8.64 A tariff of 30% may be applied if shipping to the United States. Non-Stocked Lead-Time 19 Weeks	Mfr. Part # 0242.050URS Mouser Part # 576-0242.050URS	Littelfuse	Surface Mount Fuses Barrier SMT Fuse 250V-W/ Sand .050A Learn More about Littelfuse 242 barrier fuses	Datasheet	Non-Stocked Lead-Time 19 Weeks	Cut Tape $8.64 $7.57 $7.15 $5.69 View Reel $4.22 $5.06 $4.63 $4.22 MouseReel Available A tariff of 30% may be applied if shipping to the United States.	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

242 Barrier Network Fuses

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