Datasheet

Surface Mount Fuses
PICO® SMF Fuse > 459 Series
459 Series PICO® Very Fast-Acting Surface Mount Fuse
RoHS
PS
E
Description
The 459 Series Very Fast-Acting SMF Fuse 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.
Features
• Very Fast-Acting
• Wide current rating range: 62mA to 5A
• Wide operating temperature range
Agency Approvals
AGENCY
• Low temperature re-rating
AGENCY FILE NUMBER
AMPERE RANGE
E10480
0.062 - 5A
29862
0.125 - 5A
NBK030205-E10480B
1A - 5A
• RoHS compliant
Applications
• Wireless basestation
PS
E
• Network equipment
• Telecom equipment
Electrical Characteristics for Series
% of Ampere
Rating
Opening Time
100%
4 hours, Minimum
200%
1 second, Maximum
300%
0.1 second, Maximum
Additional Information
Datasheet
Samples
Resources
Electrical Specifications by Item
Ampere
Rating
(A)
Amp
Code
0.062
.062
Max
Voltage
Rating
(V)
125
0.125
.125
125
0.250
.250
125
Interrupting
Rating
Agency Approvals
Nominal Cold
Resistance (Ohms)
Nominal Melting
I2t (A2sec)
7.0000
0.000075
x
1.7000
0.00163
x
x
0.6650
0.0106
x
x
PS
E
0.375
.375
125
0.3950
0.0254
x
x
0.500
.500
125
0.3020
0.0546
x
x
0.750
.750
125
0.1750
0.155
x
x
1.00
001.
125
50 A @125 VAC
0.1280
0.281
x
x
x
300 A @125 VDC
x
1.50
01.5
125
0.0816
0.650
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
0.0233
1.65
x
x
x
4.00
004.
125
0.0197
2.35
x
x
x
5.00
005.
125
0.0151
3.90
x
x
x
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice. Application testing is strongly recommended.
Revised: 11/11/15
Surface Mount Fuses
PICO® SMF Fuse > 459 Series
.25A
.375A
.500A
.750A
1A
1.5A
2A
2.5A
3A
3.5A
4A
5A
.125A
Average Time Current Curves
.062A
Temperature Re-rating Curve
100
TIME IN SECONDS
10
1
0.1
Note:
1. Re-rating depicted in this curve is in addition to the standard derating of 25% for
continuous operation.
0.01
Soldering Parameters
Wave Soldering
260°C, 10 seconds max.
Reflow Soldering
260°C, 30 seconds max.
0.001
0.05 0.1
Product Characteristics
Materials
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 - 020
Operating Temp.
–55OC to 125OC (Consider re-rating)
Salt Spray
Insulation Resistance
(After Opening)
Thermal Shock
Moisture Resistance
5A
1 25 V
LF
®
45 9
MIL-STD-202, Method 302,
(10,000 ohms minimum at 100 volts)
MIL-STD-202, Method 107,
Test Condition B (–65 to 125°C)
MIL-STD-202, Method 106, High
Humidity (90-98 RH), Heat (65°C)
Packaging
®
B3
7.24(.285")
REF.
12mm
Tape and Reel
EIA RS-481-1
(IEC 286, part 3)
Quantity
Quantity &
Packaging Code
500
UR
2500
ER
1.65
(.065")
2.97
(.117")
4.95
(.195")
RECOMMENDED
PAD LAYOUT
1.30(.051")
REF.
Part Numbering System
0459 .500 UR
SERIES
AMP Code
Refer to Electrical
Characteristics table
QUANTITY Code
UR = 500 pcs
ER = 2500 pcs
R = Tape and Reel
Packaging
Specification
8.26
(.325")
2.03
(.080")
PACKAGING Code
Packaging
Option
100
4.32
(.170")
3.05
(.120")
MIL-STD-202, Method 213, Test
Condition I (100 G’s peak for 6 msecs.)
MIL-STD-202, Method 201
(10–55 Hz, 0.06 inch total excursion)
MIL-STD-202, Method 101,
Test Condition B (48 hours)
Vibration
10
Dimensions
Body: Molded Thermoplastic
Terminations: 100% Tin-plated Copper
Shock
1
CURRENT IN AMPERES
Example:
0.62 Amp product is
0459 .062 UR (.5 Amp
product shown above).
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 11/11/15