33
AXIAL LEAD AND CARTRIDGE FUSES
SUBMINIATURE
PICO
®
II Slo-Blo
®
Type Fuse
The PICO
®
II Slo-Blo
®
fuse combines time delay performance
characteristics with the proven reliability of a Picofuse.
ELECTRICAL CHARACTERISTICS:
% of Ampere Opening
Rating 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:
Nominal Nominal
Catalog Ampere Voltage Resistance Melting I
2
t
Number Rating Rating Cold Ohms A
2
Sec.
473.375 3/8 125 1.74 0.0850
473.500 1/2 125 1.13 0.210
473.750 3/4 125 0.460 0.760
473 001 1 125 0.267 2.01
473 01.5 1
1
/
2
125 0.117 3.94
473 002 2 125 0.0730 7.60
473 2.25 2
1
/
4
125 0.0630 9.28
473 02.5 2
1
/
2
125 0.0520 13.0
473 003 3 125 0.0380 21.0
473 03.5 3
1
/
2
125 0.0240 26.8
473 004 4 125 0.0194 35.0
473 005 5 125 0.0133 54.8
473 007 7 125 0.0092 105.0
Average Time Current Curves
