Revised: March 17, 2009

73

© 2009 Littelfuse, Inc.

Specifications are subject to change without notice.

Surface Mount Fuses

443 Series

Please refer to www.littelfuse.com/series/443.html for current information.

443 Series Fuse

Description

Agency Approvals

Electrical Characteristics for Series

Features

% of Ampere

Rating

OpeningTime

AGENCY

AGENCY FILE NUMBER

AMPERE RANGE

E10480

0.500A - 5.00A

Electrical Specifications by Item

Ampere

Rating

(A)

Amp Code

Max

Voltage

Rating

(V)

Interrupting

Rating

Nominal Cold

Resistance

(Ohms)

Nominal

Melting

Nominal

Voltage Drop

(mV)

Agency

Approvals

448

1

98

4

81

Notes:

1. Cold resistance measured at less than 10% of rated current at 23°C.

2. Agency Approval Table Key: X=Approved or Certified, P=Pending and Blank=Not Approved

3. Have special electrical characteristic needs? Contact Littelfuse to learn more about application specific options.

Applications