Littelfuse 473 Series - Manual (Page 3)

© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13
Axial Lead & Cartridge Fuses
PICO ® ll > Slo-Blo ® > 473 Series
Materials
Encapsulated, Epoxy-Coated Body;
Solder Coated Copper wire leads;
RoHS compliant Product: Pure Tin-coated
Copper wire leads
Solderability MIL-STD-202, Method 208
Lead Pull Force
MIL-STD-202, Method 211, Test Condition
A (will withstand 7 lbs. axial pull test)
Operating
Temperature
–55 º C 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
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 260ºC)
Thermal Shock
MIL-STD-202, Method 107, Test
Condition B (–65ºC to 125ºC)
Moisture Resistance
MIL-STD-202, Method 106 (90–98%
RH), Heat (65ºC)
F L
1 A
F L
1 A
27.78
(1.094")
27.78
(1.094") 7.11 (.280")
62.7 (2.468")
52.4 (2.062")*
473 series markings
0.64 (.025")
6.35 (.25")
tape
5.0 (.197") 6.35 (.25")
tape
3.43 (.135")
MAX
Dimensions Part Numbering System
0473 xxxx Y R T1 L
RoHS + HF
Lead Length
Type of Packaging
Quantity
Current Rating
Series
T1: 52.4mm (2.062”)*
R = Reel
A = Ammo Pack
X = Loose Pack
Y = 4000
P = 2000
M = 1000
Refer to Amp Code column of
Electrical Characteristics Table
Packaging
packaging Option packaging Specification
Quantity &
packaging Code
*T1: 52.4mm (2.062") Tape and Reel EIA 296
Please refer to available quantities
above in "Part Numbering System”
Notes: * T1 dimension is defined as the length of the component between the two tapes. The full component length is 62.7mm (2.468").