043803.5WRA

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Littelfuse/Commercial Vehicle Products

FUSE, SURFACE MOUNT, 3.5 A, FAST ACTING, 32 VAC, 32 VDC, 0603 [1608 METRIC], 438A SERIES

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DocumentsDatasheet Circuit Protection Technology Application Matrix +1

043803.5WRA

Active

Littelfuse/Commercial Vehicle Products

FUSE, SURFACE MOUNT, 3.5 A, FAST ACTING, 32 VAC, 32 VDC, 0603 [1608 METRIC], 438A SERIES

Deep-Dive with AI

DocumentsDatasheet Circuit Protection Technology Application Matrix +1

Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	043803.5WRA

Approval Agency	CSA, UR
Breaking Capacity @ Rated Voltage	50 A
Current Rating (Amps)	3.5 A
DC Cold Resistance	0.021 Ohms
Fuse Type	Board Mount
Melting I²t	0.647
Mounting Type	Surface Mount
Operating Temperature [Max]	150 °C
Operating Temperature [Min]	-55 °C
Package / Case	0603 (1608 Metric)
Response Time	Fast Blow
Size / Dimension [x]	1.58 mm
Size / Dimension [x]	0.062 in
Size / Dimension [y]	0.85 mm
Size / Dimension [y]	0.033 in
Size / Dimension [z]	0.024 "
Size / Dimension [z]	0.61 mm
Voltage Rating - AC	12 V
Voltage Rating - DC	32 V

043803.5A Series

FUSE 32V FA 0603 3.5A AECQ

Part	Size / Dimension [z]	Size / Dimension [x]	Size / Dimension [z]	Size / Dimension [y]	Size / Dimension [y]	Size / Dimension [x]	Voltage Rating - AC	Breaking Capacity @ Rated Voltage	Package / Case	Mounting Type	Response Time	Approval Agency	Fuse Type	Operating Temperature [Min]	Operating Temperature [Max]	Current Rating (Amps)	Melting I²t	Voltage Rating - DC	DC Cold Resistance
Littelfuse/Commercial Vehicle Products 043803.5WRA	0.024 "	1.58 mm	0.61 mm	0.85 mm	0.033 in	0.062 in	12 V	50 A	0603 (1608 Metric)	Surface Mount	Fast Blow	CSA UR	Board Mount	-55 °C	150 °C	3.5 A	0.647	32 V	0.021 Ohms

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Cut Tape (CT)	1	$ 1.50
		5	$ 1.46
		10	$ 1.36
		50	$ 1.13
		100	$ 0.94
		250	$ 0.92
		500	$ 0.77
		1000	$ 0.68
	Digi-Reel®	1	$ 1.50
		5	$ 1.46
		10	$ 1.36
		50	$ 1.13
		100	$ 0.94
		250	$ 0.92
		500	$ 0.77
		1000	$ 0.68
	Tape & Reel (TR)	3000	$ 0.63
		6000	$ 0.61
		15000	$ 0.59
Newark	Each (Supplied on Full Reel)	2000	$ 0.73
		4000	$ 0.66
		6000	$ 0.63
		10000	$ 0.62

Description

General part information

043803.5A Series

The 438A series AEC-Q200 Qualified fuses are specifically tested to cater to secondary circuit protection needs of compact auto electronics applications.