468 Datasheet, PDF (1/1 Pages) Littelfuse – Lead-Free SlimLine 1206 Slo-Blo Fuse 468 Series

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
Opening
Time @ 25°C
100%
4 hours, Minimum
200%
1 sec., Min.; 120 sec., Max.
300%
0.05 sec., Min.; 1.5 sec., Max.
800%
0.0015 sec., Min.; .05 sec., Max.
AGENCY APPROVALS: Recognized under the Components
Program of Underwriters Laboratories and Certified by CSA.
AGENCY FILE NUMBERS: UL E10480, CSA LR 29862.
INTERRUPTING RATINGS:
1.0A - 1.5A
50 amperes at 63 VAC/VDC
2.0A
35 amperes at 63 VAC/VDC
3.0A
50 amperes at 32 VAC/VDC
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.
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
Soldering Parameters:
Reflow Solder: 260°C, 30 seconds maximum
PACKAGING SPECIFICATIONS: 8mm Tape and Reel per
EIA-RS481-1 (IEC 286, part 3); 5,000 per reel, add packaging suffix, NR.
Reference Dimensions:
MARKING CODE VARIES
WITH AMPERAGE RATING
(SEE CHART)
1.27
(.050")
3.18
(.125")
1.52
(.060")
1.65
(.065")
1.52
(.060")
4.83
(.190")
2.03
(.080")
WAVE SOLDER
Average Time Current Curves
100
10
1
.66
(.026")
.58
(.023")
Coating
3.81
(.150")
1.52
(.060")
1.14
(.045")
2.03
(.080")
INFARED SOLDER
PATENTED
ORDERING INFORMATION:
Catalog
Number
Amperage
Rating Marking
(A)
Code
0468 001.
1.0
TH
0468 01.5
1.5
TK
0468 002.
2.0
TN
0468 003.
3.0
TP
1_{Measured at 10% of rated current, 25°C.}
2_{Measured at rated voltage.}
Voltage
Rating
(V)
63
63
63
32
Nom. Cold
Resistance
Cold Ohm¹
0.079
0.044
0.0325
0.0195
Nominal
Melting I²t
(A²sec)²
0.127
0.288
0.506
1.270
0.1
0.01
0.001
0.1
1
10
100
CURRENT IN AMPERES
368
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