AXIAL LEAD AND CARTRIDGE FUSES
SUBMINIATURE
PICO
®
II 250 Volt
Very Fast-Acting Type Fuse
The PICO
®
II 250 Volt Fuse is a specially designed axial
leaded fuse that achieves a 250 volt rating in a small
package for both domestic and international applications.
ELECTRICAL CHARACTERISTICS:
% of Ampere
Rating
100%
200%
300%
Opening
Time
4 hours,
Minimum
1 second,
Maximum
0.1 second,
Maximum
®
®
TIME IN SECONDS
AGENCY APPROVALS:
Recognized under the
Components Program of Underwriters Laboratories and
Certified by CSA.
AGENCY FILE NUMBERS:
UL E10480, CSA LR 29862.
INTERRUPTING RATING:
50 amperes at 250 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
(48 hrs.).
Insulation Resistance (After Opening):
MIL-STD-202,
Method 302, Test Condition A (10,000 ohms minimum at
100 volts).
Resistance to Soldering Heat:
MIL-STD-202,
Method 210, Test Condition C (10 sec at 260°C).
Thermal Shock:
MIL-STD-202, Method 107,
Test Condition B (–55°C to 125°C).
Moisture Resistance:
MIL-STD-202, Method 106.
PHYSICAL SPECIFICATIONS:
Materials:
Encapsulated, Epoxy-Coated Body; Solder
Coated Copper Leads.
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 7 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
263.062
263.125
263.250
263.375
263.500
263.750
263
001
263
01.5
263
002
263
02.5
263
003
263
03.5
263
004
263
005
Ampere
Rating
1/16
1/8
1/4
3/8
1/2
3/4
1
1
1
/
2
2
2
1
/
2
3
3
1
/
2
4
5
Voltage
Rating
250
250
250
250
250
250
250
250
250
250
250
250
250
250
Nominal
Resistance
Cold Ohms
5.50
1.75
1.2
0.730
0.510
0.300
0.210
0.0560
0.0420
0.0335
0.0280
0.0238
0.0210
0.0180
Nominal
Melting I
2
t
A
2
Sec.
0.000192
0.00251
0.0165
0.0444
0.1125
0.0411
0.087
0.398
0.74
1.197
1.77
2.33
3.08
5.55
1.5"
.300"
REF.
1.5"
.145"
DIA. REF.
F
L
.025" DIA.
3 1/2 A
250 V
Average Time Current Curves
3/8A
1/2A
3/4A
1A
1 1/2A
2A
2 1/2A
3A
3 1/2A
4A
5A
1
10
CURRENT IN AMPERES
1/16A
1/8A
1/4A
100
10
1
0.1
0.01
0.001
0.05 0.1
100
44
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