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Littelfuse 446 Series User Manual

Surface mount fuses

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© 2013 Littelfuse, Inc.

Specifications are subject to change without notice.

Revised: 12/19/13

Surface Mount Fuses

EBF Fuse Fast-Acting > 446/447 Series

446/447 Series Fuse

Description

Agency Approvals

Features

• RoHS compliant and

100% lead-free

• Ideal for use in electronic

lighting ballast, power
supply and power
inverter applications.

• Rated for use in 125,

250, 277 and 350 VAC
circuits.

• Based on the proven

reliability of the
automotive MINI

®

Fuse;

available from 2 through
10 amperes.

AgeNCy

AgeNCy FIle

NumbeR

AmpeRe RANge

e71611

2A - 10A

lR29862

2A - 10A

Electrical Characteristics for Series

% of Ampere

Rating

Opening Time

100%

4 hours, Minimum

200%

0.15 sec. Min.; 5 sec. Max.

The 446/447 series are circuit-board mountable, flat profile,
fast-acting fuses designed for protection of electronic
ballasts and power inverter applications. The 446 series is
designed with leads for surface mount applications, and
the 447 series is designed with leads for through-hole
applications.
This series of devices are 100% lead-free and meets the
requirements of the RoHS directive.

Electrical Specifications by Item

Ampere

Rating

(A)

Amp Code

max

Voltage

Rating

(V)

Interrupting

Rating

Nominal Cold

Resistance

(Ohms)

Nominal melting

I

2

t (A

2

sec)

Agency Approvals

2.00

002.

350

100 amperes @350

VAC, 50 amperes

@125 VDC and 450

amperes @60VDC

0.0560

2.8

x

x

3.00

003.

350

0.0340

9.4

x

x

4.00

004.

350

0.0240

17

x

x

5.00

005.

350

0.0180

25

x

x

7.50

07.5

350

0.0110

68

x

x

10.0

010.

350

0.0073

93

x

x

446 Series

(surface mount leads)

447 Series

(thru-hole leads)

Additional Information

Datasheet

Samples

Resources

Datasheet

Samples

Resources

446 Series

447 Series

446 Series

447 Series

446 Series

447 Series