Littelfuse 441 Series Manual de usuario descargar pdf

Speciﬁcations are subject to change without notice.

Revised: 03/04/14

Surface Mount Fuses

Ceramic Fuse > 441 Series

441 Series – 0603 High I

t Fuse

Description

This 100% Lead-free, RoHS compliant and Halogen-free

fuse series has been designed speciﬁcally to provide over

current protection to circuits that see high working ambient

temperatures (up to 150ºC) and high inrush currents.

The general design ensures excellent temperature stability

and performance reliability.

This high I²t fuse series is designed to have ultra high inrush

current withstand capability to avoid nuisance fuse open.

Agency Approvals

AGENCY AGENCY FILE NUMBER AMPERE RANGE

E10480 2A - 6A

LR29862 2A - 6A

Features

Electrical Characteristics

• OperatingTemperature

from -55ºC to 150ºC

• 100%Lead-freeand

RoHS compliant

• Suitableforbothleaded

and lead-free reﬂow /

wave soldering

• UltrahighI²tvalues

% of Ampere

Rating

Ampere Rating Opening Time at 25ºC

100% 2A - 6A 4 Hours Minimum

350% 2A - 6A 5 Seconds Maximum

Applications

Electrical Speciﬁcations by Item

Notes:

1. DC Interrupting Rating tested at rated voltage with time constant < 0.8 msecs.

2. Nominal Resistance measured with < 10% rated current.

3. Nominal Melting I²t measured at 1 msec. opening time.

4. Nominal Voltage Drop measured at rated current after temperature has stabilized.

• HandheldElectronics

• LCDDisplays

• BatteryPacks

• HardDiskDrives

• SDMemoryCards

Devices designed to carry out rated current for 4 hours minimum. It is recommended that

devices be operated continuously at no more than 80% rated current. See “Temperature

Rerating Curve”for additional rerating information.

Devices designed to be mounted with marking code facing up.

Ampere

Rating

(A)

Amp

Code

Max. Voltage

Rating (V)

Interrupting

Rating

Nominal

Resistance

(Ohms)

Nominal

Melting I

Sec.)

Nominal Voltage

Drop At Rated

Current (V)

Nominal Power

Dissipation At

Rated Current (W)

Agency Approvals

2 002. 32

50 A @ 32 VDC

0.0302 0.3103 0.0551 0.110 X X

2.5 02.5 32 0.0200 0.5520 0.0534 0.134 X X

3 003. 32 0.0158 0.8165 0.0531 0.159 X X

3.5 03.5 32 0.0117 0.9438 0.0468 0.164 X X

4 004. 32 0.0097 1.2659 0.0475 0.190 X X

5 005. 32 0.0073 1.6287 0.0472 0.236 X X

6 006. 32 0.0056 2.6049 0.0464 0.278 X X

Additional Information

Datasheet

Samples

Resources

1 2 3

Indice de contenidos

Pagina 1 - 441 Series – 0603 High I

Pagina 2 - Ceramic Fuse > 441 Series

Pagina 3

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