Littelfuse 263 Series - Manual (Page 3)

© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13
Axial Lead & Cartridge Fuses
PICO ® ll > Very Fast-Acting > 263 Series
Materials
Encapsulated, Epoxy-Coated
Body : Solder Coated Copper Leads.
RoHS compliant
Product: Pure Tin–coated Copper wire
leads
Solderability MIL-STD-202. Method 208.
Product Marking Body marking, current rating and logo
Operating
Temperature
–55ºC to +125ºC
Shock
MIL-STD-202, Method 213, Test Condition
I (100 G’s peak for 6 milliseconds)
Product Characteristics
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 260ºC)
Thermal Shock
MIL-STD-202, Method 107, Test
Condition B (–55ºC to 125ºC)
Moisture Resistance MIL-STD-202, Method 106
Lead Pull Force
MIL-STD-202, Method 211,
Test Condition A (will withstand 7 lb.
axial pull test)
F L
3 1/2 A
250 V
F L
3 1/2 A
250 V
27.78
(1.094")
27.78
(1.094") 7.11 (.280")
62.7 (2.468")
52.4 (2.062")*
0.64 (.025")
3.94 (.16")
MAX
6.35 (.25")
tape
5.0 (.197") 6.35 (.25")
tape
Dimensions
Packaging
packaging Option packaging Specification Quantity
Quantity &
packaging Code
T1: 52.4mm (2.062”)
Tape and Reel
EIA 296
Please refer to available quantities
above in “Part Numbering System”
Part Numbering System
0263 xxxx W R T1 L
Lead Length
Type of Packaging
Quantity
Current Rating
Series
T1: 52.4mm (2.062”)*
RoHS + HF
R = Reel
A = Ammo Pack
X = Loose Pack
W = 3000
M = 1000
H = 100
Refer to Amp Code column of
Electrical Characteristics Table
Notes: * T1 dimension is defined as the length of the component between the two tapes. The full component length is 62.7mm (2.468").