Axial Lead and Cartridge Fuses
Subminiature
RoHS
PICO
®
II
Time Lag Fuse 471 Series
®
®
• The PICO
®
II time-lag fuse is designed for applications that require
moderate inrush withstand.
• For additional inrush withstand, consult the 473 Series.
•
RoHS Compliant
version now available, use ordering suffix ‘L’
(see example on data sheet).
ELECTRICAL CHARACTERISTICS:
% of Ampere
Rating
100%
200%
Opening
Time
4 hours,
Minimum
120 seconds,
Max.
AGENCY APPROVALS:
Recognized under the Components
Program of Underwriters Laboratories and Certified by CSA.
Approved by METI from 1 through 5 amperes.
AGENCY FILE NUMBERS:
UL E10480, CSA LR 29862.
INTERRUPTING RATINGS:
50 amperes at 125 VAC and VDC.
38.1
(1.5")
7.11 (.280")
REF.
38.1
(1.5")
2.41 (.095")
DIA. REF.
F
L
0.64 (.025")
DIA.
1A
ENVIRONMENTAL SPECIFICATIONS:
Operating Temperature:
–55°C to 125°C.
Shock:
MIL-STD-202, Method 213, Test Condition I
(100 G’s peak for 6 milliseconds).
Vibration:
MIL-STD-202, Method 201 (10–55 Hz);
Method 204, Test Condition C (55–2000 Hz at 10 G’s Peak).
Moisture Resistance:
MIL-STD-202, Method 106.
EPOXY COATING
PACKAGING SPECIFICATIONS:
Tape and Reel per EIA-296;
T1: 2.062" (52.4mm) taped spacing; 5,000 per reel.
Options:
For
RoHS Compliant
devices add the letter ‘L’ to end of
packaging suffix. Example: 0471001.NRT1L (RoHS Compliant 1A,
5,000 per reel).
PHYSICAL SPECIFICATIONS:
Materials:
Encapsulated, Epoxy-Coated Body; Solder Coated
Copper Wire Leads. RoHS Compliant Product: Pure Tin coated copper
wire leads.
Flammability Rating:
UL 94V0
Average Time Current Curves
1A
1 1/2A
2A
2 1/2A
3A
4A
5A
1
10
100
CURRENT IN AMPERES
1/2A
Soldering Parameters:
Wave Solder — 260°C, 10 seconds maximum.
Solderability:
MIL-STD-202, Method 208.
Lead Pull Force:
MIL-STD-202, Method 211, Test Condition A (will
withstand a 7 lb. axial pull test).
100
ORDERING INFORMATION:
Catalog
Number
0471.500
0471
001.
0471
01.5
0471
002.
0471
02.5
0471
003.
0471
004.
0471
005.
Ampere
Rating
1/2
1
1
1
/
2
2
2
1
/
2
3
4
5
Voltage
Rating
125
125
125
125
125
125
125
125
Nominal
Resistance
Cold 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
10
TIME IN SECONDS
1
0.1
0.01
0.001
0.05 0.1
1000
390
w w w. l i t t e l f u s e . c o m
Embedded System
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