Cartridge and Axial Lead Fuses
PICO
®
II > Time Lag > 471 Series
RoHS
471 Series,
PICO
®
II, Time-lag Fuse
®
®
PS
E
Description
®
and is in a space-saving subminiature package.
Features
temperature range
de-rating
Agency Approvals
Agency
®
to 5A)
Ampere Range
Agency File Number
Applications
E10480
®
500mA - 5A
500mA - 2.5A
1A - 2.5A
LR 29862
JET 1896-31007
PS
E
Electrical Characteristics
% of Ampere
Rating
100%
200%
Opening Time
Min.
Max.
Electrical Characteristics
Ampere
Rating
(A)
.500
1.00
1.50
2.00
2.50
3.00
4.00
5.00
Max
Voltage
Rating
(V)
125
125
125
125
125
125
125
125
50 amperes at 125 VAC
Nominal
Cold
Resistance
(Ohms)
0.189
0.085
0.054
0.039
0.030
0.023
0.012
0.008
Nominal
Melting
I
2
t (A
2
sec)
0.159
0.722
1.610
2.500
4.390
6.960
10.600
15.400
Nom
Voltage
Drop
(mV)
Agency Approvals
®
®
Amp
Code
.500
001.
01.5
002.
02.5
003.
004.
005.
Interrupting
Rating
PS
E
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
©2008 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com for current information.
9
Revised: August 14, 2008
471 Series
Cartridge and Axial Lead Fuses
PICO
®
II > Time Lag > 471 Series
Temperature Rerating Curve
Average Time Current Curves
0.5A
1
100
10
TIME IN SECONDS
1
0.1
0.01
Soldering Parameters
Recommended Process Parameters:
Wave Parameter
Preheat:
Temperature Minimum:
Temperature Maximum:
Preheat Time:
Solder Pot Temperature:
Solder Dwell Time:
100
°
C
150
°
C
60-180 seconds
280
°
C Maximum
2-5 seconds
Lead-Free Recommendation
0.001
0.1
1A
1.5A
2A
2.5A
3A
4A
5A
10
100
CURRENT IN AMPERES
1000
Recommended Hand-Solder Parameters:
Note: These devices are not recommended for IR or
Convection Reflow process.
471 Series
10
Revised: August 14, 2008
©2008 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com for current information.
Cartridge and Axial Lead Fuses
PICO
®
II > Time Lag > 471 Series
Product Characteristics
Operating Temperature
Materials
Shock
Flammability
Rating
Solderability
Lead Pull Force
UL 94V-0
Vibration
Moisture Resistance
Resistance to Soldering
Heat
Condition I (100 G’s peak for 6
Dimensions
62.7 (2.468")
27.78
(1.094")
0.64 (.025")
52.4 (2.062")*
7.11 (.280")
27.78
(1.094")
2.8 (.110")
MAX
Part Numbering System
0471 xxxx N R T1 L
Series
Current Rating
6.35 (.25")
tape
F
L
1A
6.35 (.25")
tape
5.0 (.197")
Refer to Amp Code column of
Electrical Characteristics Table
F
L
1A
Quantity
N = 5000
P = 2000
471 series markings
Type of Packaging
R = Reel
A = Ammo Pack
Lead Length
T1: 52.4mm (2.062”)*
RoHS
Packaging
Packaging Option
Packaging Specification
EIA 296
Quantity &
Packaging Code
©2008 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com for current information.
11
Revised: August 14, 2008
471 Series
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