Datasheet

Axial Lead & Cartridge Fuses
PICO® ll > Slo-Blo® Fuse > 472 Series
472 Series, PICO® II Time-Lag Fuse
RoHS
Description
The 472 Series PICO® II, 125V rated Slo-Blo® Fuse is
designed for applications that require moderate in-rush
withstand and is in a space-saving subminature package.
Features
• RoHS compliant and
Halogen-free
• Small size
• Wide operating
temperature range
• Wide range of current
ratings available (0. 50A
to 5A)
Agency Approvals
Agency
• Moderate in–rush
withstand
Agency File Number
Ampere Range
E10480
0. 50A - 5A
• Low temperature
rerating
Applications
• Flat–panel display TV
• Power Supply
•Lighting
• Audio/Video Equipment
• Game Console
Additional Information
Datasheet
Electrical Characteristics
Samples
Resources
% of Ampere
Rating
Opening Time
100%
4 Hours, Min.
200%
120 Seconds, Max.
Electrical Characteristics
Max
Voltage Rating
(V)
Nominal Cold
Resistance
(Ohms)
Agency
Approvals
Ampere Rating
(A)
Amp Code
.500
.500
125
0.1745
0.1927
x
1.00
001.
125
0.0785
0.9384
x
1.50
01.5
125
0.0392
2.4081
x
2.00
002.
125
0.0271
4.2363
x
x
Interrupting
Rating
[email protected]/DC
Nominal Melting
I2t (A2 sec)
2.50
02.5
125
0.0209
7.0838
3.00
003.
125
0.0187
9.3600
x
5.00
005.
125
0.0084
45.9000
x
© 2015 Littelfuse, Inc.
Application testing is strongly recommended. Specifications are subject to change without notice.
Revised: 10/26/15
Axial Lead & Cartridge Fuses
PICO® ll > Slo-Blo® Fuse > 472 Series
5.0A
100
1.0A
1.5A
2.0A
2.5A
3.0A
Average Time Current Curves
0.5A
Temperature Re-rating Curve
TIME IN SECONDS
10
1
0.1
Note:
Rerating depicted in this curve is in addition to the standard derating of 25% for
continuous operation.
Soldering Parameters
0.001
0.1
Recommended Process Parameters:
Wave Parameter
Lead-Free Recommendation
Preheat:
(Depends on Flux Activation Temperature)
0.01
(Typical Industry Recommendation)
Temperature Minimum:
100°C
Temperature Maximum:
Preheat Time:
150°C
60-180 seconds
Solder Pot Temperature:
260°C Maximum
Solder Dwell Time:
2-5 seconds
Recommended Hand-Solder Parameters:
Solder Iron Temperature: 350°C +/- 5°C
Heating Time: 5 seconds max.
Note: These devices are not recommended for IR or
Convection Reflow process.
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 10/26/15
1
10
CURRENT IN AMPERES
100
1000
Axial Lead & Cartridge Fuses
PICO® ll > Slo-Blo® Fuse > 472 Series
Product Characteristics
Material
Body: Ceramic
Leads: Tin-coated Copper
Encapsulated: Epoxy-Coated Body
Product Marking
Body: Brand Logo, Current Rating,
T (time Lag fuse)
Solderability
MIL-STD-202, Method 208
Lead Pull Force
MIL-STD-202, Method 211, Test Condition
A (will Withstand a 7lbs. Axial pull test)
Operating
Temperature
–55ºC to +125ºC with proper de–rating
Thermal 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); Method
204, Test Condition C (55-2000 Hz at 10 G’s
Peak)
Drawing ES-001148
Dimensions
Part Numbering System
0472 xxxx N R T1 L
62.7 (2.468")
52.4 (2.062")*
27.78
(1.094")
7.11 (.280")
0.64 (.025")
6.35 (.25")
tape
27.78
(1.094")
1A
Series
2.80 (.11")
LF
Current Rating
Refer to Amp Code column of
Electrical Characteristics Table
6.35 (.25")
tape
5.0 (.197")
T
Quantity
2A
N = 5000
M = 1000
472 series markings
Coating Diameter (max): 0.5A-3.0A: 2.80mm
5.0A: 2.90mm
Type of Packaging
R = Reel
A = Ammo Pack
X = Loose Pack
Lead Length
T1: 52.4mm (2.062”)*
RoHS + HF
Packaging
Packaging Option
Packaging Specification
*T1: 52.4mm (2.062”)
Tape and Reel
EIA 296
Quantity
Quantity &
Packaging Code
Refer to the tables in
Part Numbering System above
Notes: * T1 dimension is defined as the length of the component between the two tapes. The full component length is 62.7mm (2.468").
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 10/26/15