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Fuse 438A Image
Circuit Protection

043803.5WRA

Active
LITTELFUSE

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

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Search across all available documentation for this part.

DocumentsDatasheetFuseholder Selection Guide+3
Fuse 438A Image
Circuit Protection

043803.5WRA

Active
LITTELFUSE

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

Deep-Dive with AI

DocumentsDatasheetFuseholder Selection Guide+3

Technical Specifications

Parameters and characteristics for this part

Specification043803.5WRA
Approval AgencyCSA, UR
Breaking Capacity @ Rated Voltage50 A
Current Rating (Amps)3.5 A
DC Cold Resistance0.021 Ohms
Fuse TypeBoard Mount (Cartridge Style Excluded)
Melting I²t0.647
Mounting TypeSurface Mount
Operating Temperature [Max]150 °C
Operating Temperature [Min]-55 C
Package / Case1608 Metric
Package / Case0603
Response TimeFast Blow
Size / Dimension [x]1.58 mm
Size / Dimension [x]0.062 in
Size / Dimension [y]0.033 "
Size / Dimension [y]0.85 mm
Size / Dimension [z]0.61 mm
Size / Dimension [z]0.024 in
Voltage Rating - AC12 V
Voltage Rating - DC32 V

Pricing

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

DistributorPackageQuantity$
DigikeyCut 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
N/A 9974$ 1.61
15000$ 1.61
Tape & Reel (TR) 3000$ 0.63
6000$ 0.61
15000$ 0.59
NewarkEach (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.