
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13
Surface Mount Fuses
PICO
®
SMF Fuse > 459 Series
459 Series PICO
®
Very Fast-Acting Surface Mount Fuse
Description
Electrical Characteristics for Series
Features
% of Ampere
Rating
Opening Time
100% 4 hours, Minimum
200% 1 second, Maximum
300% 0.1 second, Maximum
Electrical Specifications by Item
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
PS
E
0.062 .062 125
50 A @125 VAC
300 A @125 VDC
7.0000 0.000075 x x
0.125 .125 125 1.7000 0.00163 x x
0.250 .250 125 0.6650 0.0106 x x
0.375 .375 125 0.3950 0.0254 x x
0.500 .500 125 0.2800 0.0546 x x
0.750 .750 125 0.1750 0.155 x x
1. 0 0 0 01. 125 0.1250 0.281 x x x
1.50 01. 5 125 0.0800 0.650 x x x
2.00 002. 125 0.0468 0.421 x x x
2.50 02.5 125 0.0350 0.721 x x x
3.00 003. 125 0.0290 1.23 x x x
3.50 03.5 125 0.0240 1.65 x x x
4.00 004. 125 0.0200 2.35 x x x
5.00 005. 125 0.0155 3.90 x x x
The 459 Series Very Fast-Acting SMF is based on Littelfuse
PICO
®
fuse technology, though offered in a surface mount
package.
This series of devices meets the requirements of the
RoHS directive.
Applications
•VeryFast-Acting
•Widecurrentratingrange:62mAto5A
•Wideoperatingtemperaturerange
•Lowtemperaturererating
•RoHScompliant
• Wirelessbasestation
• Networkequipment
•Telecomequipment
PS
E
Agency Approvals
AGENCY AGENCY FILE NUMBER
AMPERE RANGE
E10480 62mA - 5A
LR29862 62mA - 5A
PS
E
NBK030205-E10480B 1A - 5A
Additional Information
Datasheet
Samples
Resources
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