Surface Mount Fuses – Mouser United Kingdom

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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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Part #

Surface Mount Fuses 63V 1.25A FA 1206

04371.25WR
Littelfuse
1: £1.17
3,038In Stock

Mfr. Part No.
04371.25WR

Mouser Part No
576-04371.25WR

Littelfuse

Surface Mount Fuses 63V 1.25A FA 1206

Learn More

Datasheet

3,038In Stock

Cut Tape

£1.17

£1.04

£0.986

£0.796

£0.491

Reel

£0.491

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: £1.17
7,568In Stock

Mfr. Part No.
04371.75WR

Mouser Part No
576-04371.75WR

Littelfuse

Surface Mount Fuses 63V 1.75A FA 1206

Learn More

Datasheet

7,568In Stock

Cut Tape

£1.17

£1.04

£0.986

£0.796

View

Reel

£0.491

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 32V FA 1206 3.5A

043703.5WR
Littelfuse
1: £1.16
3,431In Stock

Mfr. Part No.
043703.5WR

Mouser Part No
576-043703.5WR

Littelfuse

Surface Mount Fuses 32V FA 1206 3.5A

Learn More

Datasheet

3,431In Stock

Cut Tape

£1.16

£0.969

£0.89

£0.739

View

Reel

£0.491

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 .250A FA 1206

0437.250WR
Littelfuse
1: £1.04
11,079In Stock
30,000On Order

Mfr. Part No.
0437.250WR

Mouser Part No
576-0437.250WR

Littelfuse

Surface Mount Fuses 125V .250A FA 1206

Learn More

Datasheet

11,079In Stock

30,000On Order

Cut Tape

£1.04

£0.925

£0.849

£0.657

View

Reel

£0.558

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 FUSE 125V FA 1206 .250A AECQ

0437.250WRA
Littelfuse
1: £1.21
3,520In Stock
3,000Expected 19/01/2027

Mfr. Part No.
0437.250WRA

Mouser Part No
576-0437.250WRA

Littelfuse

Surface Mount Fuses FUSE 125V FA 1206 .250A AECQ

Datasheet

3,520In Stock

3,000Expected 19/01/2027

Cut Tape

£1.21

£1.01

£0.934

£0.773

View

Reel

£0.527

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 125V .375A FA 1206

0437.375WR
Littelfuse
1: £0.986
5,098In Stock
6,000Expected 07/09/2026

Mfr. Part No.
0437.375WR

Mouser Part No
576-0437.375WR

Littelfuse

Surface Mount Fuses 125V .375A FA 1206

Learn More

Datasheet

5,098In Stock

6,000Expected 07/09/2026

Cut Tape

£0.986

£0.882

£0.856

Reel

£0.856

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 .375A 125V AECQ

0437.375WRA
Littelfuse
1: £1.22
15,855In Stock

Mfr. Part No.
0437.375WRA

Mouser Part No
576-0437.375WRA

Littelfuse

Surface Mount Fuses .375A 125V AECQ

Datasheet

15,855In Stock

Cut Tape

£1.22

£1.08

£1.03

£0.834

View

Reel

£0.514

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: £1.00
5,924In Stock
6,000Expected 12/10/2026

Mfr. Part No.
0437.500WR

Mouser Part No
576-0437.500WR

Littelfuse

Surface Mount Fuses 63V .500A FA 1206

Learn More

Datasheet

5,924In Stock

6,000Expected 12/10/2026

Cut Tape

£1.00

£0.917

£0.811

£0.677

View

Reel

£0.392

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: £1.32
3,649In Stock

Mfr. Part No.
0437.750WR

Mouser Part No
576-0437.750WR

Littelfuse

Surface Mount Fuses 63V .750A FA 1206

Learn More

Datasheet

3,649In Stock

Cut Tape

£1.32

£1.13

£1.05

£0.796

View

Reel

£0.491

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: £1.27
6,035In Stock
30,000On Order

Mfr. Part No.
0437001.WR

Mouser Part No
576-0437001.WR

Littelfuse

Surface Mount Fuses 63V FA 1206 1A

Learn More

Datasheet

6,035In Stock

30,000On Order

Cut Tape

£1.27

£1.13

£1.01

£0.841

View

Reel

£0.698

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: £0.969
6,519In Stock
6,000Expected 03/08/2026

Mfr. Part No.
0437002.WR

Mouser Part No
576-0437002.WR

Littelfuse

Surface Mount Fuses 63V FA 1206 2A

Learn More

Datasheet

6,519In Stock

6,000Expected 03/08/2026

Cut Tape

£0.969

£0.856

£0.722

£0.698

Reel

£0.698

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: £1.27
6,377In Stock

Mfr. Part No.
0437003.WR

Mouser Part No
576-0437003.WR

Littelfuse

Surface Mount Fuses 32V FA 1206 3A

Learn More

Datasheet

6,377In Stock

Cut Tape

£1.27

£1.13

£1.02

£0.849

View

Reel

£0.491

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 32V FA 1206 7A

0437007.WR
Littelfuse
1: £1.32
3,056In Stock

Mfr. Part No.
0437007.WR

Mouser Part No
576-0437007.WR

Littelfuse

Surface Mount Fuses 32V FA 1206 7A

Learn More

Datasheet

3,056In Stock

Cut Tape

£1.32

£1.13

£1.05

£0.863

View

Reel

£0.491

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 63V FA 1206 1.5A

043701.5WR
Littelfuse
1: £1.17
2,579In Stock

Mfr. Part No.
043701.5WR

Mouser Part No
576-043701.5WR

Littelfuse

Surface Mount Fuses 63V FA 1206 1.5A

Learn More

Datasheet

2,579In Stock

Cut Tape

£1.17

£1.04

£0.986

£0.796

View

Reel

£0.491

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: £1.17
4,213In Stock

Mfr. Part No.
043702.5WR

Mouser Part No
576-043702.5WR

Littelfuse

Surface Mount Fuses 32V FA 1206 2.5A

Learn More

Datasheet

4,213In Stock

Cut Tape

£1.17

£1.04

£0.986

£0.796

View

Reel

£0.491

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 32V FA 1206 4A

0437004.WR
Littelfuse
1: £1.21
1,655In Stock
3,000Expected 09/11/2026

Mfr. Part No.
0437004.WR

Mouser Part No
576-0437004.WR

Littelfuse

Surface Mount Fuses 32V FA 1206 4A

Learn More

Datasheet

1,655In Stock

3,000Expected 09/11/2026

Cut Tape

£1.21

£1.10

£0.978

£0.818

View

Reel

£0.491

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 8A

0437008.WR
Littelfuse
1: £1.25
1,490In 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

Datasheet

1,490In Stock

9,000On Order

Cut Tape

£1.25

£1.13

£0.995

£0.834

View

Reel

£0.491

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: £1.17
12,000On Order

Mfr. Part No.
0437005.WR

Mouser Part No
576-0437005.WR

Littelfuse

Surface Mount Fuses 32V FA 1206 5A

Learn More

Datasheet

12,000On Order

Cut Tape

£1.17

£1.04

£0.986

£0.796

View

Reel

£0.491

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: £0.545
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

£0.545

Min.: 10,000
Mult.: 10,000

: 10,000

437

Reel

Surface Mount Fuses FUSE 63V AUTOC FA 1206 2A

0437002.KRA
Littelfuse
10,000: £0.559
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

£0.559

Min.: 10,000
Mult.: 10,000

: 10,000

437

Reel

Surface Mount Fuses 63V 1.75A FA 1206

04371.75WRP
Littelfuse
3,000: £0.561
Non-Stocked

Mfr. Part No.
04371.75WRP

Mouser Part No
576-04371.75WRP

Littelfuse

Surface Mount Fuses 63V 1.75A FA 1206

Learn More

Datasheet

Non-Stocked

Reel

£0.561

Min.: 3,000
Mult.: 3,000

: 3,000

437

Surface Mount Fuses

Reel

437 Series SMT Fuses

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