Littelfuse 433 Series Manuel d'utilisateur télécharger pdf

Revision: February 13, 2008

Surface Mount Fuses

Speciﬁcations are subject to change without notice.

Please refer to www.littelfuse.com for the most current information

Thin Film > 1206 Size > Very Fast Acting > 433 Series

433 Series

433 Series Fuse

Description

The 433 series fast-acting surface mount fuse series

is a small (1206 size) thin-ﬁlm device designed for

secondary protection of circuits used in space constrained

applications such as hand-held portable electronic devices.

For RoHS compliant and lead-free design, please refer to

the Littelfuse 466 series thin ﬁlm fuse. For new designs of

7 amp please refer to Littelfuse 429 series thin ﬁlm fuse.

Agency Approvals

Agency Agency File Number Ampere Range

E10480 125mA - 5A

LR29862 125mA - 5A

Features

Electrical Characteristics for Series

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fuse is an extremely

small, low proﬁle design

(1206 chip size) utilizing

thin-ﬁlm technology to

achieve precise control of

electrical characteristics.

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produces a ﬂat surface for

improved performance in

pick-and-place operations

and an alternate solution

for height critical

application.

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electrical speciﬁcation are

identical to the popular

429 Series speciﬁcations.

% of Ampere

Rating

Opening Time at 25

100% 4 hours, Minimum

200% 5 sec., Maximum

300% 0.2 sec., Maximum

Applications

Ampere

Rating

(A)

Amp

Code

Max

Voltage Rating

(V)

Interrupting

Rating

Nominal Cold

Resistance

(Ohms)

Nominal

Melting

t (A

sec)

Agency Approvals

0.125 .125 125

50A @125 V AC/DC

3.45000 0.00040 x x

0.200 .200 125 0.93800 0.00055 x x

0.250 .250 125 0.62500 0.00100 x x

0.375 .375 125 0.37500 0.00280 x x

0.50 .500 63

50A @63 V AC/DC

0.24050 0.00600 x x

0.60 .600 63 0.21000 0.01310 x x

0.75 .750 63 0.13700 0.01700 x x

0.80 .800 63 0.12250 0.03050 x x

1.00 001. 63 0.09950 0.03500 x x

1.25 1.25 63 0.07475 0.06500 x x

1.50 01.5 63 0.06250 0.12500 x x

1.75 1.75 63 0.05000 0.15000 x x

2.00 02.0 63 0.03975 0.23000 x x

2.50 02.5 32

50A @32 V AC/DC

0.03065 0.50000 x x

3.00 03.0 32 0.02625 0.70000 x x

4.00 04.0 24

50A @24 V AC/DC

0.01400 1.0240 x x

5.00 05.0 24 0.01100 1.6000 x x

Electrical Speciﬁcations by Item

1. Measured at 10% of rated current, 25ºC.

2. Measured at rated voltage.

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Secondary protection for space constrained applications

such as:

1 2 3

Surface Mount Fuses 1
433 Series Fuse 1

Résumé du contenu

Page 1 - 433 Series Fuse

Page 2

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Littelfuse 433 Series Manuel d'utilisateur

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