Surface Mount Fuses
NANO2® > 458 Series 1206 Size Inrush Withstand Fuse
RoHS
458 Series Fuse
Description
The 458 Series Nano2® 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.
Features
• Surface Mount Fuse
• Available in ratings of
1 to 10 Amperes
• Recognized to UL/CSA/
NMX 248-1 and UL/CSA/
NMX 248-14
• Fully compatible with
lead free soldering
profiles
• RoHS Compliant and
Halogen-Free
Agency Approvals
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
Agency
Agency File Number
E10480
Ampere Range
1A–10A
Additional Information
Electrical Characteristics for Series
% of Ampere Rating
OpeningTime
4 hours, Minimum
5 seconds, Maximum
100%
250%
Datasheet
Resources
Samples
Electrical Specifications by Item
Agency Approvals
Max
Voltage
Rating (V)
Ampere Rating
Amp Code
(A)
Interrupting
Rating
Nominal Cold
Resistance (Ohms)
Nominal Melting
I2t (A2sec)
Marking
1.0
1.25
1.5
1.6
2
2.5
3
3.15
3.5
4
5
6.3
7
8
10.0
001.
1.25
01.5
01.6
002.
02.5
003.
3.15
03.5
004.
005.
06.3
0 0 7.
008.
010.
1
1.25
1.5
1.6
2
2.5
3
3.15
3.5
4
5
6.3
7
8
10
0.180
0.125
0.099
0.092
0.0695
0.06
0.049
0.045
0.0375
0.032
0.027
0.0192
0.0175
0.0058
0.00465
.168
.313
.548
.562
.952
1.408
2.289
2.457
4.00
4.832
7.938
14.37
20.48
13.448
15.0
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
50A @ 75VDC
50A @ 48VAC
75V
63V
50A @ 75VDC
50A @ 32VAC
50A @ 63VDC
50A @ 32VAC
Notes:
1. l2t 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.
© 2020 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/03/20