Surface Mount Fuses
Lead-Free Thin-Film
RoHS
Pb
SlimLine
™
Lead-Free 1206
Very Fast Acting Fuse 466 Series
NEW
®
®
•
RoHS compliant and Lead-Free.
• For new designs of 7 amp please consult 429 series.
• Product is compatible with lead-free solders and higher
temperature profiles.
• Current ratings available up to 5A.
• High performance materials provide improved performance in elevated
ambient temperature applications.
• Product is marked on top surface with code to allow amperage rating
identification without testing.
• Low profile for height sensitive applications.
• Flat top surface for pick-and-place operations.
• Element covering material is resistant to industry standard
cleaning operations.
• Mounting pad and electrical performance is identical to Littelfuse 429
and 433 Series products.
• Alloy based element construction provides superior inrush withstand
characteristics (I
2
t) over ceramic or glass based 1206 chip fuse products.
Reference Dimensions:
MARKING CODE VARIES
WITH AMPERAGE RATING
(SEE CHART)
.66
(.026")
Sn
.58
(.023")
.56
(.022")
Coating
ELECTRICAL CHARACTERISTICS:
% of Ampere
Rating
100%
200%
300%
Opening
Time at 25
°
C
4 hours,
Minimum
5 seconds,
Maximum
0.2 seconds,
Maximum
1.65
(.065")
1.52
(.060")
3.18
(.125")
Cu
Sn
Sn
1.52
(.060")
3.18
(.125")
AGENCY APPROVALS:
Recognized under the Components Program
of Underwriters Laboratories and Certified by CSA.
AGENCY FILE NUMBERS:
UL E10480, CSA LR 29862
INTERRUPTING RATINGS:
0.125 – .375A
0.5 – 2A
2.5 – 5A
50A at 125 V AC/DC
50A at 63 V AC/DC
50A at 32 V AC/DC
4.83
(.190")
3.81
(.150")
1.27
(.050")
1.14
(.045")
2.03
(.080")
WAVE SOLDER
2.03
(.080")
REFLOW SOLDER
PHYSICAL SPECIFICATIONS:
Materials:
Body: Advanced High Temperature Substrate
Terminations: 100% Copper/Nickel/Tin
Element Cover Coat: Conformal Coating
Soldering Parameters(see page 3 for soldering profile):
Wave Solder — 260°C, 10 seconds max
Reflow Solder — 260°C, 30 seconds max
364
w w w. l i t t e l f u s e . c o m
Surface Mount Fuses
Lead-Free Thin-Film
RoHS
Pb
SlimLine
™
Lead-Free 1206
Very Fast Acting Fuse 466 Series
Average Time Current Curves
1/8A
1/4A
3/8A
1/2A
Insulation Resistance
(After Opening)
:
Greater than 10,000 ohms.
Resistance to Soldering Heat:
Withstands 60 seconds above
200 C and up to 260 C, maximum
0
0
100
Thermal Shock:
Withstands 5 cycles of – 55° to 125°C.
PACKAGING SPECIFICATIONS:
8mm Tape and Reel per EIA-RS481-2 (IEC 286, part 3); 5,000 per reel,
add packaging suffix, NR.
10
TIME IN SECONDS
PATENTED
ORDERING INFORMATION:
Catalog
Number
0466.125
0466.200
0466.250
0466.375
0466.500
0466.750
0466
001.
0466
1.25
0466
01.5
0466
1.75
0466
002.
0466
02.5
0466
003.
0466
004.
0466
005.
1
2
Ampere
Rating
.125
.2
.25
.375
.5
.75
1
1.25
1.5
1.75
2
2.5
3
4
5
Marking
Code
B
C
D
E
F
G
H
J
K
L
N
O
P
S
T
Voltage
Rating
125
125
125
125
63
63
63
63
63
63
63
32
32
32
32
Nominal
Resistance
Cold Ohms
1
4.000
1.150
0.690
0.350
0.220
0.105
0.072
0.056
0.046
0.037
0.031
0.023
0.020
0.014
0.011
1
Melting I t
(A
2
Sec.)
2
0.00040
0.00055
0.0010
0.0028
0.0060
0.0276
0.0423
0.0640
0.1103
0.1323
0.2326
0.3516
0.5760
1.024
1.600
2
0.1
0.01
0.001
0.1
1
10
CURRENT IN AMPERES
100
Measured at 10% of rated current, 25°C.
Measured at rated voltage.
3/4A
1A
1 1/4A
1 1/2A
1 3/4A
2A
2 1/2A
3A
4A
5A
ENVIRONMENTAL SPECIFICATIONS:
Operating Temperature:
– 55°C - + 90°C
.
Vibration:
Per MIL-STD-202F.
10
SURFACE MOUNT
FUSES
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365
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