437A Surface Mount Fuses

Littelfuse 437A Surface Mount Fuses offer a wide temperature range of -55°C to +150°C and are AECQ-compliant. The 437A series is tested to cater to the secondary circuit protection needs of compact auto-electronics applications. The general design of these fuses ensures excellent temperature stability and performance reliability. Additionally, the high I2t values typical of the Littelfuse 437A fuses ensure high inrush current withstand capability. Littelfuse 437A Surface Mount Fuses are suitable for TFT displays, battery management systems, clusters, LED lighting, and automotive navigation systems.

Results: 14
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Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model 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
Littelfuse Surface Mount Fuses 1.5A 63V 1206 Fast-Acting AEC-Q200
Datasheet
3,887In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

437A Surface Mount Fuses Fast Blow 1.5 A 63 VAC 63 VDC 50 A, 50 A 1206 (3216 metric) - 55 C + 150 C AEC-Q200 Reel, Cut Tape, MouseReel 209 mOhms
Littelfuse Surface Mount Fuses 4A 32V 1206 Fast-Acting AEC-Q200
Datasheet
7,874In Stock
Min.: 1
Mult.: 1
: 3,000

437A Surface Mount Fuses Fast Blow 4 A 45 VAC 63 VDC 50 A, 50 A 1206 (3216 metric) - 55 C + 150 C AEC-Q200 Reel, Cut Tape 22 mOhms
Littelfuse Surface Mount Fuses 1.25A 63V 1206 Fast-Acting AEC-Q200
Datasheet
3,247In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

437A Surface Mount Fuses Fast Blow 1.25 A 63 VAC 63 VDC 50 A, 50 A 1206 (3216 metric) - 55 C + 150 C AEC-Q200 Reel, Cut Tape, MouseReel 318 mOhms
Littelfuse Surface Mount Fuses 1.75A 63V 1206 Fast-Acting AEC-Q200
Datasheet
2,958In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

437A Surface Mount Fuses Fast Blow 1.75 A 63 VAC 63 VDC 50 A, 50 A 1206 (3216 metric) - 55 C + 150 C AEC-Q200 Reel, Cut Tape, MouseReel 71 mOhms
Littelfuse Surface Mount Fuses 3.5A 32V 1206 Fast-Acting AEC-Q200
Datasheet
1,426In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

437A Surface Mount Fuses Fast Blow 3.5 A 45 VAC 63 VDC 50 A, 50 A 1206 (3216 metric) - 55 C + 150 C AEC-Q200 Reel, Cut Tape, MouseReel 27 mOhms
Littelfuse Surface Mount Fuses 1A 63V 1206 Fast-Acting AEC-Q200
Datasheet
18,998In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

437A Surface Mount Fuses Fast Blow 1 A 63 VAC 63 VDC 50 A, 50 A 1206 (3216 metric) - 55 C + 150 C AEC-Q200 Reel, Cut Tape, MouseReel 420 mOhms
Littelfuse Surface Mount Fuses .5A 63V 1206 Fast-Acting AEC-Q200
Datasheet
4,032In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

437A Surface Mount Fuses Fast Blow 500 mA 63 VAC 63 VDC 50 A, 50 A 1206 (3216 metric) - 55 C + 150 C AEC-Q200 Reel, Cut Tape, MouseReel 908 mOhms
Littelfuse Surface Mount Fuses .75A 63V 1206 Fast-Acting AEC-Q200
Datasheet
3,813In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

437A Surface Mount Fuses Fast Blow 750 mA 63 VAC 63 VDC 50 A, 50 A, 100 A 1206 (3216 metric) - 55 C + 150 C AEC-Q200 Reel, Cut Tape, MouseReel 600 mOhms
Littelfuse Surface Mount Fuses 2A 63V 1206 Fast-Acting AEC-Q200
Datasheet
2,192In Stock
3,000Expected 8/7/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

437A Surface Mount Fuses Fast Blow 2 A 63 VAC 63 VDC 50 A, 50 A 1206 (3216 metric) - 55 C + 150 C AEC-Q200 Reel, Cut Tape, MouseReel 62 mOhms
Littelfuse Surface Mount Fuses 3A 32V 1206 Fast-Acting AEC-Q200
Datasheet
4,281In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

437A Surface Mount Fuses Fast Blow 3 A 45 VAC 63 VDC 50 A, 50 A 1206 (3216 metric) - 55 C + 150 C AEC-Q200 Reel, Cut Tape, MouseReel 35 mOhms
Littelfuse Surface Mount Fuses FUSE 63V FA 1206 5A AECQ
Datasheet
6,567In Stock
Min.: 1
Mult.: 1
: 3,000

437A Surface Mount Fuses Fast Blow 5 A 45 VAC 63 VDC 50 A, 50 A 1206 (3216 metric) - 55 C + 150 C AEC-Q100 Reel, Cut Tape 15.9 mOhms
Littelfuse Surface Mount Fuses 2.5A 32V 1206 Fast-Acting AEC-Q200
Datasheet
465In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

437A Surface Mount Fuses Fast Blow 2.5 A 45 VAC 63 VDC 50 A, 50 A 1206 (3216 metric) - 55 C + 150 C AEC-Q200 Reel, Cut Tape, MouseReel 43 mOhms
Littelfuse Surface Mount Fuses FUSE 35V FA 1206 8A AECQ
Datasheet
2,460Expected 8/3/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

437A Surface Mount Fuses Fast Blow 8 A 32 VAC 35 VDC 50 A, 50 A 1206 (3216 metric) - 55 C + 150 C AEC-Q200 Reel, Cut Tape, MouseReel 8 mOhms
Littelfuse Surface Mount Fuses FUSE 35V FA 1206 7A AECQ
Datasheet
816Expected 1/27/2027
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

437A Surface Mount Fuses Fast Blow 7 A 32 VAC 35 VDC 50 A, 50 A 1206 (3216 metric) - 55 C + 150 C AEC-Q200 Reel, Cut Tape, MouseReel 10 mOhms