© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13
Surface Mount Fuses
PICO® SMF Fuse > 460 Series
460 Series PICO® Slo-Blo® Surface Mount Fuse
Description
Agency Approvals
AGENCY AGENCY FILE NUMBER AMPERE RANGE
E10480 0.375A - 5A
LR29862 0.375A - 5A
PS
ENBK030205-E10480B 1A - 5A
Electrical Characteristics for Series
Features
% of Ampere
Rating Opening Time
100% 4 hours, Minimum
200% 1 second, Min.; 120 seconds, Max.
300% 0.2 second, Min.; 3 seconds, Max.
800% 0.02 second, Min.; 0.1 second, Max.
The 460 Series Slo-Blo® SMF is based on Littelfuse PICO®
fuse through-hole technology, though offered in a surface
mount package.
This series of devices meets the requirements of the
RoHS directive.
Electrical Specifications by Item
Ampere
Rating
(A)
Amp
Code
Max
Voltage
Rating
(V)
Interrupting
Rating
Nominal Cold
Resistance
(Ohms)
Nominal Melting
I2t (A2sec)
Agency Approvals
PS
E
0.375 .375 125
50 A @125 VAC
50 A @125 VDC
1.7400 0.085 x x
0.500 .500 125 1.1900 0.210 x x
0.750 .750 125 0.4970 0.760 x x
1. 0 0 0 01. 125 0.3000 2.01 x x x
1.50 01. 5 125 0.1160 3.94 x x x
2.00 002. 125 0.0710 7.60 x x x
2.50 02.5 125 0.0520 13.0 x x x
3.00 003. 125 0.0380 21.0 x x x
3.50 03.5 125 0.0240 26.8 x x x
4.00 004. 125 0.0194 35.0 x x x
5.00 005. 125 0.0133 54.8 x x x
Applications
• Wirelessbasestation
• Networkequipment
• Telecomequipment
• Slow-Blow
• Highinrushcurrentwithstandcapability
• Widecurrentratingrange:0.375Ato5A
• Wideoperatingtemperaturerange
• RoHScompliant
PS
E
Additional Information
Datasheet Samples
Resources
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13
Surface Mount Fuses
PICO® SMF Fuse > 460 Series
Materials Body: Molded Thermoplastic
Terminations: 100% Tin-plated Copper
Solderability MIL-STD-202, Method 208
Product Marking
Body: Brand Logo, Current Rating,
Voltage Rating, Series Code, Date
Code, Agency Approved Logo
Moisture Sensitivity Level 1 J-STD - 020C
Operating Temp. –55°C to 125°C
Shock MIL-STD-202, Method 213, Test
Condition I (100 G’s peak for 6 msecs.)
Vibration MIL-STD-202, Method 201 (10–55 Hz,
0.06 inch total excursion)
Salt Spray MIL-STD-202, Method 101, Test
Condition B (48 hours)
Insulation Resistance
(After Opening)
MIL-STD-202, Method 302, (10,000
ohms minimum at 100 volts)
Thermal Shock MIL-STD-202, Method 107,
Test Condition B (–65°C to 125°C)
Moisture Resistance MIL-STD-202, Method 106, High
Humidity (90-98 RH), Heat (65°C)
Product Characteristics
Dimensions
Packaging
Part Numbering System
Packaging
Option
Packaging
Specification Quantity Quantity &
Packaging Code
12mm
Tape and Reel
EIA RS-481-1
(IEC 286, part 3)
500 UR
2500 ER
4.32
(.170")
5 A 1 2 5 V
L
F4 6 0
B 3
®®
3.05
(.120")
2.97
(.117")
7.24(.285")
REF.
8.26
(.325")
1.65
(.065")
4.95
(.195")
1.30(.051")
REF.
2.03
(.080")
RECOMMENDED
PAD LAYOUT
0460 .500 UR
SERIES
PACKAGING CODE
R = Tape and Reel
AMP CODE
Refer to Electrical
Characteristics table
QUANTITY CODE
UR = 500 pcs
ER = 2500 pcs
Average Time Current Curves
1000
100
10
1
0.1
0.01
10
CURRENT IN AMPERES
TIME IN SECONDS
1000100
0.1 1
0.05
5A
4A
3.5A
3A
2.5A
2A
1.5A
1A
.750A
.500A
.375A
Soldering Parameters
Temperature Rerating Curve
Note:
1. Rerating depicted in this curve is in addition to the standard rerating of 25% for
continuous operation.
Example:
1 Amp product is
0460 .001 UR (.5 Amp
product shown above).
Wave Soldering 260°C, 3 seconds max.
Reflow Soldering 230°C, 30 seconds max.