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© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/03/17
Surface Mount Fuses
NANO
2®
> 458 Series 1206 Size Inrush Withstand Fuse
458 Series Fuse
Description
Agency Approvals
Electrical Characteristics for Series
Features
• Surface Mount Fuse
• Fully compatible with
lead free soldering
profiles
• RoHS Compliant and
Halogen-Free
• Available in ratings of
1 to 10 Amperes
RoHS
% of Ampere
Rating
Opening Time
100% 4 hours, Minimum
250% 5 seconds, Maximum
AGENCY AGENCY FILE NUMBER AMPERE RANGE
E10480 1A–10A
Notes:
1. l
2
t values stated for 8 msec opening time
2. Cold resistance measured at less than 10% of rated current at 25°C.
3. Agency Approval Table Key: X=Approved or Certified, P=Pending and Blank=Not Approved
4. Have special electrical characteristic needs? Contact Littelfuse to learn more about application specific options.
The 458 Series Nano
2®
Fuse is an ultra-small, square
surface mount fuse designed to support a variety of space
constrained overcurrent protection applications. Offering a
1206 size footprint, it is the smallest wire-in-air type surface
mount fuse offered by Littelfuse.
Applications
• Notebook PC
• LCD backlight inverter
• LCD Panel
• DC/DC converter
• Battery Pack
• Car Navigation System
• Network Equipment
• Telecom Equipment
• Electronic Signage
• Portable Consumer
Electronics
Electrical Specifications by Item
Ampere
Rating
(A)
Amp
Code
Marking
Max
Voltage
Rating (V)
Interrupting
Rating
Nominal Cold
Resistance
(Ohms)
Nominal
Melting
I
2
t (A
2
sec)
Agency
Approvals
1. 0 0 01. 1
75V
50A @ 75VDC
50A @ 48VAC
0.180 .168
x
1.25 1.25 1.25 0.125 .313 x
1. 5 01. 5 1. 5 0.099 .548 x
1. 6 01. 6 1. 6 0.092 .562 x
2 002. 2 0.0695 .952 x
2.5 02.5 2.5 0.06 1.408 x
3 003. 3 0.049 2.289 x
3.15 3.15 3.15 0.045 2.457 x
3.5 03.5 3.5 0.0375 4.00 x
4 004. 4
50A @ 75VDC
50A @ 32VAC
0.032 4.832
x
5 005. 5 0.027 7.938
x
6.3 06.3 6.3 0.0192 14.37
x
7 0 0 7. 7
63V
50A @ 63VDC
50A @ 32VAC
0.0175 20.48
x
8 008. 8 0.0058 13.448
x
10.0 010. 10 0.00465 15.0
x
Specifications are subject to change without notice. Application testing is strongly recommended.
Additional Information
Datasheet
Samples
Resources