378
Surface Mount Fuses
w w w . l i t t e l f u s e . c o m
Nominal
Nominal
Catalog Ampere
Voltage Cold
Resistance
Melting
I
2
t
Number
Rating
Rating
(Ohms)
(A
2
sec)
0464.500
0.5
250
0.283 0.3
0464 001.
1.0
250
0.100
0.8
0464 1.25
1.25
250
0.059
1.2
0464 01.6
1.6
250
0.048
1.9
0464 002.
2.0
250
0.038
2.8
0464 02.5
2.5
250
0.032
4.5
0464 3.15
3.15
250
0.024
9.4
0464 004.
4.0
250
0.018
15.1
0464 005.
5.0
250
0.014
23.1
0464 06.3
6.3
250
0.011
40.0
*For information and availability of additional ratings please contact Littelfuse
The Surface Mount Nano
2
250V UMF product family complies with IEC
Publication IEC 60127-4-Universal Modular Fuse-Links [UMF]. This
IEC standard has been accepted by UL/CSA making it the first global
fuse standard.
The Nano
2
250V UMF fuse family is based on the proven NANO
2
Fuse product technology.
Product is
RoHS Compliant
and compatible with lead-free solders and
higher temperature profiles.
ELECTRICAL CHARACTERISTICS:
% of Ampere
Opening
Rating
Time
125%
1 hour, Minimum
200%
2 minutes, Maximum
1000% 0.001
sec,
Min; 0.01 sec Max
AGENCY APPROVALS:
Listed to IEC 60127-4, Universal Modular Fuse-
Links (UMF), 250V. UL Listed. Approved by METI and CCC. K and VDE
AGENCY FILE NUMBERS:
UL E184655. METI NBK30502-E184655a,b.
INTERRUPTING RATINGS:
100 amperes at 250VAC
ENVIRONMENTAL SPECIFICATIONS:
Operating Temperature:
55C to 125C.
Shock:
MIL-STD-202, Method 213, Test Condition A.
Vibration
: MIL-STD-202, Method 201 (1055 Hz).
Insulation Resistance (After Opening):
IEC60127-4 (0.1M
min
@ 500VDC).
Resistance to Soldering Heat:
IEC60127-4.
Thermal Shock:
MIL-STD-202, Method 107,
Test Condition B (65 to 125C, 5 cycles).
Moisture Resistance:
MIL-STD-202, Method 106
PHYSICAL SPECIFICATIONS:
Materials:
Body: High Performance Ceramic
Terminations: Silver plated brass.
Soldering Parameters:
Wave Solder -- 260C, 10 seconds maximum
Reflow Solder -- 260C, 30 seconds maximum
Solderability
: IEC60127-4.
PACKAGING SPECIFICATIONS:
24mm Tape and Reel per
EIA-RS481-1 (IEC 286, part 3); 1,500 per reel, add packaging suffix, DR.
PATENTED
ORDERING INFORMATION:
Reference Dimensions:
REFLOW SOLDER
F
2.8
(.11")
12.1
(.475")
4.5
(.177")
6.7
(.264")
6.8
(.264")
WAVE SOLDER
3.5
(.14")
AC250V
F500mAL
6.9
(.27")
5.6
(.22")
5.6
(.22")
4.5
(.177")
Height
END CAP
TOP VIEW
Subminiature Surface Mount
NANO
2
250V UMF FUSE
Fast-Acting 464 Series
100
100
10
1
0.1
0.01
0.001
1
10
1000
0.1
1 A
1.25 A
1.6 A
2 A
2.5 A
3.15 A
TIME IN SECONDS
CURRENT IN AMPERES
4 A 5 A 6.3 A
.8 A
.63 A
.5 A
Average Time Current Curves
RoHS
PDF 
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