Axial Lead & Cartridge Fuses
PICO
®
ll > Time-Lag > 471 Series
471 Series,
PICO
®
II, Time-Lag Fuse
PS
E
Description
®
Features
Agency Approvals
Agency
Agency File Number
Ampere Range
Applications
E10480
LR 29862
PS
E
500mA - 5A
500mA - 2.5A
1A - 5A
JET 1896-31007-1001
Electrical Characteristics
% of Ampere
Rating
100%
200%
Opening Time
Min.
Max.
Ampere
Rating
(A)
.500
1.00
1.50
2.00
2.50
3.00
4.00
5.00
Amp
Code
.500
001.
01.5
002.
02.5
003.
004.
005.
Max
Voltage
Rating
(V)
125
125
125
125
125
125
125
125
Interrupting
Rating
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
PS
E
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/471.html for current information.
211
Revised: June 1, 2009
471 Series
471 Series
Electrical Characteristics
Introduction to & Cartridge Fuses
Axial Lead Circuit Protection
Transientology
PICO
®
ll > 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:
100
°
150
°
Solder Pot Temperature:
Solder Dwell Time:
260
°
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
212
© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/471.html for current information.
Axial Lead & Cartridge Fuses
PICO
®
ll > Time-Lag > 471 Series
Product Characteristics
Operating Temperature
Materials
Shock
Flammability
Rating
Solderability
Lead Pull Force
Vibration
Moisture Resistance
Resistance to Soldering
Heat
Dimensions
471 Series (RoHS Version) Markings
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
1A
6.35 (.25")
tape
5.0 (.197")
F
L
Refer to Amp Code column of
Electrical Characteristics Table
T
1A
Quantity
N = 5000
P = 2000
471 Series (RoHS and Halogen-free Version) Markings
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
Type of Packaging
R = Reel
A = Ammo Pack
Lead Length
T1: 52.4mm (2.062”)*
F
L
6.35 (.25")
tape
5.0 (.197")
1A
Option Codes
6.35 (.25")
tape
T
1A
L = RoHS
HF = RoHS and Halogen-free
Packaging
Packaging Option
Packaging Specification
Quantity &
Packaging Code
© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/471.html for current information.
213
471 Series
471 Series
Introduction to Circuit Protection
Transientology
214
© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
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