Surface Mount Fuses – Mouser India

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437 Series SMT Fuses

Littelfuse 437 Series SMT Fuses protect circuits against overcurrent in ambient high-temperature situations. These ceramic fuses operate bewteen -55° and +150°C temperatures, providing both high I²t values and inrush current withstand capabilities. The halogen-free 437 series gives users a high performance reliability, with models ranging from 250mA to 8A current rating. These Littelfuse fast-acting, surface mount fuses are suitable for both leaded and lead-free reflow as well as wave soldering. 437 series fuses are ideal for servers, printers, scanners, data modems, LCD displays, and LED lighting applications.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (INR) 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	Qualification	Packaging	Resistance
Surface Mount Fuses 32V FA 1206 3.5A 043703.5WR Littelfuse 1: ₹148.09 3,405In Stock	Mfr. Part No. 043703.5WR Mouser Part No 576-043703.5WR	Littelfuse	Surface Mount Fuses 32V FA 1206 3.5A Learn More about Littelfuse 437 smt fuses	Datasheet	3,405In Stock	Cut Tape ₹148.09 ₹123.25 ₹113.69 ₹94.01 View Reel ₹59.90 ₹86.75 ₹77.96 ₹71.85 ₹62.01 ₹59.90 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	437	Surface Mount Ceramic Fuses	Fast Blow	3.5 A	45 VAC	63 VDC	50 A, 50 A	1206 (3216 metric)	- 55 C	+ 150 C		Reel, Cut Tape, MouseReel	27 mOhms
Surface Mount Fuses 125V .375A FA 1206 0437.375WR Littelfuse 1: ₹125.16 9,768In Stock	Mfr. Part No. 0437.375WR Mouser Part No 576-0437.375WR	Littelfuse	Surface Mount Fuses 125V .375A FA 1206 Learn More about Littelfuse 437 smt fuses	Datasheet	9,768In Stock	Cut Tape ₹125.16 ₹112.74 ₹104.14 ₹61.24 View Reel ₹47.87 ₹54.55 ₹51.21 ₹47.96 ₹47.87 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	437	Surface Mount Ceramic Fuses	Fast Blow	375 mA	125 VAC	125 VDC	50 A, 50 A	1206 (3216 metric)	- 55 C	+ 150 C		Reel, Cut Tape, MouseReel	1.33 Ohms
Surface Mount Fuses 63V 1.25A FA 1206 04371.25WR Littelfuse 1: ₹125.16 3,028In Stock	Mfr. Part No. 04371.25WR Mouser Part No 576-04371.25WR	Littelfuse	Surface Mount Fuses 63V 1.25A FA 1206 Learn More about Littelfuse 437 smt fuses	Datasheet	3,028In Stock	Cut Tape ₹125.16 ₹110.83 ₹104.14 ₹88.76 View Reel ₹59.90 ₹81.30 ₹76.81 ₹70.51 ₹66.30 ₹59.90 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	437	Surface Mount Ceramic Fuses	Fast Blow	1.25 A	63 VAC	63 VDC	50 A, 50 A	1206 (3216 metric)	- 55 C	+ 150 C		Reel, Cut Tape, MouseReel	318 mOhms
Surface Mount Fuses 63V 1.75A FA 1206 04371.75WR Littelfuse 1: ₹149.04 6,418In Stock	Mfr. Part No. 04371.75WR Mouser Part No 576-04371.75WR	Littelfuse	Surface Mount Fuses 63V 1.75A FA 1206 Learn More about Littelfuse 437 smt fuses	Datasheet	6,418In Stock	Cut Tape ₹149.04 ₹131.85 ₹125.16 ₹101.27 View Reel ₹59.90 ₹86.75 ₹83.02 ₹71.94 ₹66.30 ₹59.90 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	437	Surface Mount Ceramic Fuses	Fast Blow	1.75 A	63 VAC	63 VDC	50 A, 50 A	1206 (3216 metric)	- 55 C	+ 150 C		Reel, Cut Tape, MouseReel	71 mOhms
Surface Mount Fuses 125V .250A FA 1206 0437.250WR Littelfuse 1: ₹120.38 22,011In Stock 18,000On Order	Mfr. Part No. 0437.250WR Mouser Part No 576-0437.250WR	Littelfuse	Surface Mount Fuses 125V .250A FA 1206 Learn More about Littelfuse 437 smt fuses	Datasheet	22,011In Stock 18,000On Order On Order Ship Dates Mfr. No: 0437.250WR Stock: 22,011 Can Dispatch Immediately On Order: 9,000 Expected 26-10-2026 9,000 Expected 05-01-2027 Factory Lead Time: 27 Weeks	Cut Tape ₹120.38 ₹107.96 ₹102.23 ₹88.09 View Reel ₹54.74 ₹80.73 ₹74.14 ₹67.36 ₹62.10 ₹54.74 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	437	Surface Mount Ceramic Fuses	Fast Blow	250 mA	125 VAC	125 VDC	50 A, 50 A	1206 (3216 metric)	- 55 C	+ 150 C		Reel, Cut Tape, MouseReel	2.29 Ohms
Surface Mount Fuses .375A 125V AECQ 0437.375WRA Littelfuse 1: ₹167.20 15,742In Stock	Mfr. Part No. 0437.375WRA Mouser Part No 576-0437.375WRA	Littelfuse	Surface Mount Fuses .375A 125V AECQ	Datasheet	15,742In Stock	Cut Tape ₹167.20 ₹143.31 ₹134.71 ₹109.87 View Reel ₹71.85 ₹97.45 ₹90.48 ₹80.73 ₹74.43 ₹71.85 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	437	Surface Mount Fuses	Fast Blow	375 mA	125 VAC	125 VDC	50 A, 50 A	1206 (3216 metric)	- 55 C	+ 150 C	AEC-Q200	Reel, Cut Tape, MouseReel	1.33 Ohms
Surface Mount Fuses 63V .500A FA 1206 0437.500WR Littelfuse 1: ₹135.67 5,890In Stock 5,750Expected 26-10-2026	Mfr. Part No. 0437.500WR Mouser Part No 576-0437.500WR	Littelfuse	Surface Mount Fuses 63V .500A FA 1206 Learn More about Littelfuse 437 smt fuses	Datasheet	5,890In Stock 5,750Expected 26-10-2026	Cut Tape ₹135.67 ₹117.51 ₹107.00 ₹89.43 View Reel ₹54.74 ₹80.06 ₹73.85 ₹66.69 ₹62.10 ₹54.74 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	437	Surface Mount Ceramic Fuses	Fast Blow	500 mA	63 VAC	63 VDC	50 A, 50 A	1206 (3216 metric)	- 55 C	+ 150 C		Reel, Cut Tape, MouseReel	908 mOhms
Surface Mount Fuses 63V .750A FA 1206 0437.750WR Littelfuse 1: ₹165.28 3,562In Stock	Mfr. Part No. 0437.750WR Mouser Part No 576-0437.750WR	Littelfuse	Surface Mount Fuses 63V .750A FA 1206 Learn More about Littelfuse 437 smt fuses	Datasheet	3,562In Stock	Cut Tape ₹165.28 ₹143.31 ₹131.85 ₹105.09 View Reel ₹68.60 ₹90.67 ₹83.02 ₹74.52 ₹69.08 ₹68.60 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	437	Surface Mount Ceramic Fuses	Fast Blow	750 mA	63 VAC	63 VDC	50 A, 50 A	1206 (3216 metric)	- 55 C	+ 150 C		Reel, Cut Tape, MouseReel	665 mOhms
Surface Mount Fuses 63V FA 1206 1A 0437001.WR Littelfuse 1: ₹163.37 12,860In Stock 21,000Expected 23-11-2026	Mfr. Part No. 0437001.WR Mouser Part No 576-0437001.WR	Littelfuse	Surface Mount Fuses 63V FA 1206 1A Learn More about Littelfuse 437 smt fuses	Datasheet	12,860In Stock 21,000Expected 23-11-2026	Cut Tape ₹163.37 ₹143.31 ₹129.93 ₹109.87 View Reel ₹68.60 ₹96.50 ₹88.76 ₹80.35 ₹75.38 ₹68.60 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	437	Surface Mount Ceramic Fuses	Fast Blow	1 A	63 VAC	63 VDC	50 A, 50 A	1206 (3216 metric)	- 55 C	+ 150 C		Reel, Cut Tape, MouseReel	360 mOhms
Surface Mount Fuses 63V FA 1206 2A 0437002.WR Littelfuse 1: ₹119.43 12,057In Stock	Mfr. Part No. 0437002.WR Mouser Part No 576-0437002.WR	Littelfuse	Surface Mount Fuses 63V FA 1206 2A Learn More about Littelfuse 437 smt fuses	Datasheet	12,057In Stock	Cut Tape ₹119.43 ₹105.09 ₹89.90 ₹77.01 View Reel ₹60.00 ₹63.63 ₹60.00 ₹60.00 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	437	Surface Mount Ceramic Fuses	Fast Blow	2 A	63 VAC	63 VDC	50 A, 50 A	1206 (3216 metric)	- 55 C	+ 150 C		Reel, Cut Tape, MouseReel	62 mOhms
Surface Mount Fuses 32V FA 1206 3A 0437003.WR Littelfuse 1: ₹159.55 3,416In Stock 6,985On Order	Mfr. Part No. 0437003.WR Mouser Part No 576-0437003.WR	Littelfuse	Surface Mount Fuses 32V FA 1206 3A Learn More about Littelfuse 437 smt fuses	Datasheet	3,416In Stock 6,985On Order On Order Ship Dates Mfr. No: 0437003.WR Stock: 3,416 Can Dispatch Immediately On Order: 985 Expected 26-10-2026 6,000 Expected 04-05-2027 Factory Lead Time: 27 Weeks	Cut Tape ₹159.55 ₹143.31 ₹128.98 ₹109.87 View Reel ₹68.60 ₹95.44 ₹86.37 ₹78.15 ₹72.23 ₹68.60 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	437	Surface Mount Ceramic Fuses	Fast Blow	3 A	32 VAC	35 VDC	50 A, 50 A	1206 (3216 metric)	- 55 C	+ 150 C		Reel, Cut Tape, MouseReel	33 mOhms
Surface Mount Fuses 63V FA 1206 1.5A 043701.5WR Littelfuse 1: ₹159.55 2,564In Stock	Mfr. Part No. 043701.5WR Mouser Part No 576-043701.5WR	Littelfuse	Surface Mount Fuses 63V FA 1206 1.5A Learn More about Littelfuse 437 smt fuses	Datasheet	2,564In Stock	Cut Tape ₹159.55 ₹143.31 ₹128.02 ₹109.87 View Reel ₹68.60 ₹95.06 ₹88.28 ₹79.58 ₹75.57 ₹68.60 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	437	Surface Mount Ceramic Fuses	Fast Blow	1.5 A	63 VAC	63 VDC	50 A, 50 A	1206 (3216 metric)	- 55 C	+ 150 C		Reel, Cut Tape, MouseReel	209 mOhms
Surface Mount Fuses 32V FA 1206 2.5A 043702.5WR Littelfuse 1: ₹165.28 2,607In Stock	Mfr. Part No. 043702.5WR Mouser Part No 576-043702.5WR	Littelfuse	Surface Mount Fuses 32V FA 1206 2.5A Learn More about Littelfuse 437 smt fuses	Datasheet	2,607In Stock	Cut Tape ₹165.28 ₹143.31 ₹131.85 ₹109.87 View Reel ₹68.60 ₹98.41 ₹90.48 ₹82.07 ₹76.24 ₹68.60 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	437	Surface Mount Ceramic Fuses	Fast Blow	2.5 A	45 VAC	63 VDC	50 A, 50 A	1206 (3216 metric)	- 55 C	+ 150 C		Reel, Cut Tape, MouseReel	43 mOhms
Surface Mount Fuses FUSE 125V FA 1206 .250A AECQ 0437.250WRA Littelfuse 1: ₹154.77 190In Stock 18,000On Order	Mfr. Part No. 0437.250WRA Mouser Part No 576-0437.250WRA	Littelfuse	Surface Mount Fuses FUSE 125V FA 1206 .250A AECQ	Datasheet	190In Stock 18,000On Order On Order Ship Dates Mfr. No: 0437.250WRA Stock: 190 Can Dispatch Immediately On Order: 3,000 Expected 12-01-2027 6,000 Expected 24-03-2027 9,000 Expected 29-03-2027 Factory Lead Time: 21 Weeks	Cut Tape ₹154.77 ₹128.98 ₹118.47 ₹98.41 View Reel ₹71.85 ₹90.57 ₹81.40 ₹75.00 ₹71.85 ₹71.85 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	437	Surface Mount Fuses	Fast Blow	250 mA	125 VAC	125 VDC	50 A, 50 A	1206 (3216 metric)	- 55 C	+ 150 C	AEC-Q200	Reel, Cut Tape, MouseReel	2.29 Ohms
Surface Mount Fuses 32V FA 1206 4A 0437004.WR Littelfuse 1: ₹172.93 972In Stock 9,000On Order	Mfr. Part No. 0437004.WR Mouser Part No 576-0437004.WR	Littelfuse	Surface Mount Fuses 32V FA 1206 4A Learn More about Littelfuse 437 smt fuses	Datasheet	972In Stock 9,000On Order On Order Ship Dates Mfr. No: 0437004.WR Stock: 972 Can Dispatch Immediately On Order: 3,000 Expected 09-11-2026 6,000 Expected 16-11-2026 Factory Lead Time: 27 Weeks	Cut Tape ₹172.93 ₹146.18 ₹132.80 ₹112.74 View Reel ₹68.60 ₹101.27 ₹90.95 ₹83.88 ₹72.61 ₹68.60 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	437	Surface Mount Ceramic Fuses	Fast Blow	4 A	32 VAC	32 VDC	50 A, 50 A	1206 (3216 metric)	- 55 C	+ 150 C		Reel, Cut Tape, MouseReel	22 mOhms
Surface Mount Fuses 32V FA 1206 7A 0437007.WR Littelfuse 1: ₹183.44 55In Stock 9,000On Order	Mfr. Part No. 0437007.WR Mouser Part No 576-0437007.WR	Littelfuse	Surface Mount Fuses 32V FA 1206 7A Learn More about Littelfuse 437 smt fuses	Datasheet	55In Stock 9,000On Order On Order Ship Dates Mfr. No: 0437007.WR Stock: 55 Can Dispatch Immediately On Order: 3,000 Expected 02-02-2027 6,000 Expected 08-02-2027 Factory Lead Time: 27 Weeks	Cut Tape ₹183.44 ₹151.91 ₹140.44 ₹116.56 View Reel ₹68.60 ₹107.96 ₹85.51 ₹74.04 ₹68.60 ₹68.60 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	437	Surface Mount Ceramic Fuses	Fast Blow	7 A	32 VAC	35 VDC	50 A, 50 A	1206 (3216 metric)	- 55 C	+ 150 C		Reel, Cut Tape, MouseReel	10 mOhms
Surface Mount Fuses 32V FA 1206 8A 0437008.WR Littelfuse 1: ₹172.93 450In Stock 9,000On Order	Mfr. Part No. 0437008.WR Mouser Part No 576-0437008.WR	Littelfuse	Surface Mount Fuses 32V FA 1206 8A Learn More about Littelfuse 437 smt fuses	Datasheet	450In Stock 9,000On Order On Order Ship Dates Mfr. No: 0437008.WR Stock: 450 Can Dispatch Immediately On Order: 3,000 Expected 30-11-2026 6,000 Expected 28-12-2026 Factory Lead Time: 27 Weeks	Cut Tape ₹172.93 ₹143.31 ₹132.80 ₹109.87 View Reel ₹68.60 ₹101.27 ₹90.95 ₹79.30 ₹75.57 ₹68.60 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	437	Surface Mount Ceramic Fuses	Fast Blow	8 A	32 VAC	35 VDC	50 A, 50 A	1206 (3216 metric)	- 55 C	+ 150 C		Reel, Cut Tape, MouseReel	8.7 mOhms
Surface Mount Fuses 32V FA 1206 5A 0437005.WR Littelfuse 1: ₹152.86 12,000Expected 23-11-2026	Mfr. Part No. 0437005.WR Mouser Part No 576-0437005.WR	Littelfuse	Surface Mount Fuses 32V FA 1206 5A Learn More about Littelfuse 437 smt fuses	Datasheet	12,000Expected 23-11-2026	Cut Tape ₹152.86 ₹135.67 ₹125.16 ₹104.14 View Reel ₹68.60 ₹89.33 ₹85.51 ₹74.04 ₹68.60 ₹68.60 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	437	Surface Mount Ceramic Fuses	Fast Blow	5 A	32 VAC	35 VDC	50 A, 50 A	1206 (3216 metric)	- 55 C	+ 150 C		Reel, Cut Tape, MouseReel	16 mOhms
Surface Mount Fuses FUSE 63V AUTOC FA 1206 .750A 0437.750KRA Littelfuse 10,000: ₹66.69 Non-Stocked Lead-Time 21 Weeks	Mfr. Part No. 0437.750KRA Mouser Part No 576-0437.750KRA	Littelfuse	Surface Mount Fuses FUSE 63V AUTOC FA 1206 .750A	Datasheet	Non-Stocked Lead-Time 21 Weeks	Reel ₹66.69	Min.: 10,000 Mult.: 10,000 : 10,000	437											Reel
Surface Mount Fuses FUSE 63V AUTOC FA 1206 2A 0437002.KRA Littelfuse 10,000: ₹76.24 Non-Stocked Lead-Time 21 Weeks	Mfr. Part No. 0437002.KRA Mouser Part No 576-0437002.KRA	Littelfuse	Surface Mount Fuses FUSE 63V AUTOC FA 1206 2A	Datasheet	Non-Stocked Lead-Time 21 Weeks	Reel ₹76.24	Min.: 10,000 Mult.: 10,000 : 10,000	437											Reel
Surface Mount Fuses 63V 1.75A FA 1206 04371.75WRP Littelfuse 3,000: ₹73.85 Non-Stocked	Mfr. Part No. 04371.75WRP Mouser Part No 576-04371.75WRP	Littelfuse	Surface Mount Fuses 63V 1.75A FA 1206 Learn More about Littelfuse 437 smt fuses	Datasheet	Non-Stocked	Reel ₹73.85	Min.: 3,000 Mult.: 3,000 : 3,000	437	Surface Mount Fuses										Reel

437 Series SMT Fuses

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