0471001.NRT3- Datasheet, PDF (1/1 Pages) Littelfuse – PICO II Time Lag Fuse 471 Series

Axial Lead and Cartridge Fuses
Subminiature
PICO II ^RoHS
®
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
Opening
Time
100%
4 hours, Minimum
200%
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.
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.
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
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).
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
1¹/2
2
2¹/2
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 I²t
A² Sec.
0.159
0.722
1.610
2.500
4.390
6.960
10.600
15.400
®
®
38.1
(1.5")
0.64 (.025")
DIA.
7.11 (.280")
REF.
L^F 1 A
38.1
(1.5")
EPOXY COATING
2.41 (.095")
DIA. REF.
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).
Average Time Current Curves
100
10
1
0.1
0.01
0.001
0.05 0.1
1
10
100
CURRENT IN AMPERES
1000
388
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