Surface Mount Fuses
RoHS
Pb
Lead-Free SlimLine
™
1206
Slo-Blo
®
Fuse 468 Series
®
®
• Complies with electronic industry environmental standards for
lead reduction.
• Product is compatible with lead-free solders and higher
temperature profiles.
• Time delay feature withstands high in-rush currents and prevents
nuisance openings.
• Package is visually distinct from fast-acting version for easy identification.
• Top side marking allows visual verification of amperage rating.
ELECTRICAL CHARACTERISTICS:
% of Ampere
Rating
100%
200%
300%
800%
Opening
Time @ 25
°
C
4 hours,
Minimum
1 sec.,
Min.;
120 sec.,
Max.
0.05 sec.,
Min.;
1.5 sec.,
Max.
0.0015 sec.,
Min.;
.05 sec.,
Max.
Reference Dimensions:
MARKING CODE VARIES
WITH AMPERAGE RATING
(SEE CHART)
.66
(.026")
1.27
(.050")
Coating
.58
(.023")
AGENCY APPROVALS:
Recognized under the Components
Program of Underwriters Laboratories and Certified by CSA.
AGENCY FILE NUMBERS:
UL E10480, CSA LR 29862.
INTERRUPTING RATINGS:
0.5A - 1.5A
2.0A - 2.5A
3.0A
50
35
50
50
amperes
amperes
amperes
amperes
at
at
at
at
63 VAC/VDC
63 VAC
63 VDC
32 VAC/VDC
3.18
(.125")
1.65
(.065")
1.52
(.060")
4.83
(.190")
1.52
(.060")
1.14
(.045")
1.52
(.060")
ENVIRONMENTAL SPECIFICATIONS:
Operating Temperature:
–55°C to 90°C. Consult temperature
rerating chart on page 4. For operation above 90°C contact Littelfuse.
Vibration:
Withstands 10-55 Hz per MIL-STD-202F, Method 201A and
10-2000 Hz at 20 G’s per MIL-STD-202F, Method 204D, Condition D.
3.81
(.150")
2.03
(.080")
WAVE SOLDER
2.03
(.080")
INFARED SOLDER
Average Time Current Curves
100
1.5A
2A
2.5A
3A
.5A
1A
Insulation Resistance (After Opening):
Greater than 10,000 Ohms.
Resistance to Soldering Heat:
Withstands 60 seconds above
200°C up to 260°C, maximum.
Thermal Shock:
Withstands 5 cycles of -50°C to +125°C.
PHYSICAL SPECIFICATIONS:
Materials:
Body: Epoxy Substrate
Terminations: 100% Tin
Cover Coat: Conformal Coating
10
Soldering Parameters:
PACKAGING SPECIFICATIONS:
8mm Tape and Reel per
EIA-RS481-1 (IEC 286, part 3); 5,000 per reel, add packaging suffix, NR.
PATENTED
ORDERING INFORMATION:
Catalog
Number
0468
.500
0468
001.
0468
01.5
0468
002.
0468
02.5
0468
003.
1
Time in Seconds
Reflow Solder: 260°C, 30 seconds maximum
1
0.1
Amperage
Rating
(A)
0.5
1.0
1.5
2.0
2.5
3.0
Marking
Code
TF
TH
TK
TN
TO
TP
Voltage
Rating
(V)
63
63
63
63
63
32
Nom. Cold
Resistance
Cold Ohm
1
0.270
0.079
0.044
0.0325
0.024
0.0195
Nominal
Melting I
2
t
(A
2
sec)
2
0.031
0.127
0.288
0.506
1.011
1.270
0.01
0.001
0
1
10
100
Current in Amperes
Measured at 10% of rated current, 25°C.
2
Measured at rated voltage.
368
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