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© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/03/17
Axial Lead & Cartridge Fuses
PICO
®
ll > Slo-Blo
®
Fuse > 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 (Consider re-rating)
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").
Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and
test each product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications.
Read complete Disclaimer Notice at www.littelfuse.com/disclaimer-electronics.