263 Datasheet, PDF (1/1 Pages) Littelfuse – Axial Lead and Cartridge Fuses - Subminiature

Axial Lead and Cartridge Fuses
Subminiature
PICO II 250 Volt ^RoHS
®
Very Fast-Acting Fuse 263 Series
®
The PICO^® II 250 Volt Fuse is a specially designed axial leaded fuse that
achieves a 250 volt rating in a small package.
• 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%
1 second, Maximum
300%
0.1 second, Maximum
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. RoHS Compliant Product: Pure Tin coated copper
wire 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).
38.1
(1.5")
0.64 (.025")
DIA.
7.62 (.300")
REF.
L^{F 3 1/2 A}
250 V
38.1
(1.5")
3.683 (.145")
DIA. REF.
PACKAGING SPECIFICATIONS: Tape and Reel per EIA-296;
T1: 2.062" (52.4mm) taped spacing; 3,000 per reel.
Options: For RoHS Compliant devices add the letter ‘L’ to end of
packaging suffix. Example: 263001. WRT1L (RoHS Compliant 1A,
3,000 per reel).
Average Time Current Curves
100
10
1
PATENTED
ORDERING INFORMATION:
Catalog
Number
0263.062
0263.125
0263.250
0263.375
0263.500
0263.750
0263 001
0263 01.5
0263 002
0263 02.5
0263 003
0263 03.5
0263 004
0263 005
Ampere
Rating
1/16
1/8
1/4
3/8
1/2
3/4
1
1¹/2
2
2¹/2
3
3¹/2
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
0.715
0.391
0.252
0.150
0.105
0.0635
0.0444
0.0340
0.0274
0.0224
0.0193
0.0145
Nominal
Melting I²t
A² 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
0.1
0.01
0.001
0.05 0.1
1
10
100
CURRENT IN AMPERES
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389
®
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