Littelfuse 458 Series User Manual
Surface mount fuses, 458 series fuse, Nano
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13
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
• Halogen Free
• Available in ratings of
1 to 10 Amperes
% 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
001.
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
007.
7
63V
50A @ 63VDC
50A @ 32VAC
0.0175
20.48
x
8
008.
8
0.0058
9.00
x
10.0
010.
10
0.00465
15.0
x
Additional Information