Littelfuse 429 Series - Manual

© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13
Surface Mount Fuses
Thin Film > 1206 Size > Very Fast-Acting > 429 Series
429 Series Fuse
Description
The 429 Series Fast-Acting SMF 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.
This series is Halogen-Free, Lead-Free and meets the
requirements of the RoHS directive.
Agency Approvals
AgeNCy AgeNCy FIle NumbeR AmpeRe RANge
e10480 7A
lR29862 7A
Electrical Characteristics for Series
Features
• RoHS compliant and
Lead-Free 7A device
available-add ‘L’ suffix to
part number.
• Halogen-Free 7A device
available-add ‘HF’ suffix
to the part number
• For new designs up to
5A please consult the
433 or 466 Series
% of Ampere
Rating
Opening Time at 25 O C
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
I 2 t (A 2 sec)
Agency
Approvals
7.00 007. 24
35 amperes
@ voltage, VAC/VDC
0.00925 3.6000
x x
Electrical Specifications by Item
1. Measured at 10% of rated current, 25ºC.
2. Measured at rated voltage.
• Cell phones
• Battery packs
• Digital cameras • DVD players
• Hard disk drives.
Secondary protection for space constrained applications
such as:
Additional Information
Datasheet Samples Resources