0433007.NR Datasheet, PDF (1/3 Pages) Littelfuse – Surface Mount Fuses Thin Film > 1206 Size > Very Fast Acting > 433 Series

Surface Mount Fuses
Thin Film > 1206 Size > Very Fast Acting > 433 Series
433 Series Fuse
Agency Approvals
Agency
Agency File Number
®
®
E10480
LR29862
Ampere Range
125mA - 5A
125mA - 5A
Electrical Characteristics for Series
% of Ampere
Rating
100%
200%
300%
Opening Time at 25^OC
4 hours, Minimum
5 sec., Maximum
0.2 sec., Maximum
®
®
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.
Features
t
5IF
4MJN-JOF


fuse is an extremely
small, low profile design
(1206 chip size) utilizing
thin-film technology to
achieve precise control of
electrical characteristics.
t
5IF
MPXFS
IFJHIU
QSPmMF

produces a flat surface for
improved performance in
pick-and-place operations
and an alternate solution
for height critical
application.
t
.PVOUJOH
QBE
BOE

electrical specification are
identical to the popular
429 Series specifications.
Applications
Secondary protection for space constrained applications
such as:
t
$FMM
QIPOFT
t
#BUUFSZ
QBDLT
t
%JHJUBM
DBNFSBT
t
%7%
QMBZFST
t
)BSE
EJTL
ESJWFT
Electrical Specifications by Item
Ampere
Rating
(A)
0.125
0.200
0.250
Amp
Code
.125
.200
.250
Max
Voltage Rating
(V)
125
125
125
Interrupting
Rating
50A @125 V AC/DC
0.375
.375
125
0.50
.500
63
0.60
.600
63
0.75
.750
63
0.80
.800
63
1.00
001.
1.25
1.25
1.50
01.5
63
50A @63 V AC/DC
63
63
1.75
1.75
63
2.00
02.0
63
2.50
02.5
3.00
03.0
4.00
04.0
5.00
05.0
32
32
50A @32 V AC/DC
24
24
50A @24 V AC/DC
1. Measured at 10% of rated current, 25ºC.
2. Measured at rated voltage.
©2008 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com for the most current information
Nominal Cold
Resistance
(Ohms)
3.45000
0.93800
0.62500
0.37500
0.24050
0.21000
0.13700
0.12250
0.09950
0.07475
0.06250
0.05000
0.03975
0.03065
0.02625
0.01400
0.01100
Nominal
Melting
I²t (A²sec)
0.00040
0.00055
0.00100
0.00280
0.00600
0.01310
0.01700
0.03050
0.03500
0.06500
0.12500
0.15000
0.23000
0.50000
0.70000
1.0240
1.6000
7
Revision: February 13, 2008
Agency Approvals
®
®
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433 Series