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0473.500MRT3- Datasheet, PDF (1/1 Pages) Littelfuse – PICO® II Slo-Blo® Type Fuse
AXIAL LEAD AND CARTRIDGE FUSES
SUBMINIATURE
PICO® II Slo-Blo® Type Fuse
1
®
®
The PICO® II Slo-Blo® fuse combines time delay performance
characteristics with the proven reliability of a Picofuse.
ELECTRICAL CHARACTERISTICS:
% of Ampere
Rating
Opening
Time
100%
4 hours, Minimum
200%
1 second, Min.: 60 seconds, Max.
300%
0.2 seconds, Min.: 3 seconds, Max.
800%
0.02 seconds, Min.: 0.1 seconds, Max.
AGENCY APPROVALS: 1 Recognized under the
Components Program of Underwriters Laboratories and
Certified by CSA. Approved by MITI from 1 through 5
amperes.
AGENCY FILE NUMBERS: UL E10480, CSA LR 29862.
INTERRUPTING RATINGS:
50 amperes at 125 VDC/VAC
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);
MIL-STD-202, Method 204, Test Condition C (55–2000 Hz
at 10 G’s Peak).
Salt Spray: MIL-STD-202, Method 101, Test Condition B.
Insulation Resistance (After Opening): MIL-STD-202,
Method 302, (10,000 ohms minimum at 100 volts).
Resistance to Soldering Heat: MIL-STD-202,
Method 210, Test Condition C (20 sec at 260°C).
Thermal Shock: MIL-STD-202, Method 107,
Test Condition B (–65°C to 125°C).
Moisture Resistance: MIL-STD-202, Method 106
(90–98% RH), Heat (65°C).
PHYSICAL SPECIFICATIONS:
Materials: Encapsulated, Epoxy-Coated Body; Solder
Coated Copper Wire Leads.
Flammability Rating: UL94VO.
Soldering Parameters:
Wave Solder — 260°C, 3 seconds maximum.
Solderability: MIL-STD-202, Method 208.
Lead Pull Force: MIL-STD-202, Method 211, Test
Condition A (will withstand a 10 lb. axial pull test).
PACKAGING SPECIFICATIONS: Tape and Reel per
EIA-296; T1: 2.062" (52.4mm) taped spacing; 4,000
per reel.
PATENTED
ORDERING INFORMATION:
Catalog
Number
Ampere
Rating
Voltage
Rating
Nominal
Resistance
Cold Ohms
Nominal
Melting I2t
A2 Sec.
473.375
3/8
125
1.74
473.500
1/2
125
1.13
473.750
3/4
125
0.460
473 001
1
125
0.267
473 01.5
11/2
125
0.117
0.0850
0.210
0.760
2.01
3.94
473 002
2
125
0.0730
7.60
473 2.25
21/4
125
0.0630
9.28
473 02.5
21/2
125
0.0520
13.0
473 003
3
125
0.0380
21.0
473 03.5
31/2
125
0.0240
26.8
473 004
4
473 005
5
473 007
7
125
0.0194
35.0
125
0.0133
54.8
125
0.0092
105.0
1.5"
.025" DIA.
.280"
REF.
LF 1 A
1.5"
.125" DIA. REF.
Average Time Current Curves
1000
100
10
1
0.1
0.01
0.1
1
10
100
CURRENT IN AMPERES
1000
33