435 Datasheet, PDF (1/1 Pages) Littelfuse – Surface Mount Fuses - Thin-Film Surface Mount

Surface Mount Fuses
Thin-Film Surface Mount
RoHS Pb _SlimLine^™ _{Lead-Free 0402 Very Fast-Acting Fuse 435 Series}
®
®
• RoHS compliant and Lead-Free
• The SlimLine 0402 fuse is the world’s smallest fuse available.
• Ideal for space sensitive applications including disc drives and
handheld devices including mobile phones, cameras and personal
communication devices.
• The low profile flat surface and full-faced termination are designed for
superior performance in surface mount assembly processes.
ELECTRICAL CHARACTERISTICS:
% of Ampere
Rating
Opening
Time at 25°C
100%
4 hours, Minimum
200%
5 seconds, Maximum
300%
0.2 seconds, Maximum
AGENCY APPROVALS: Recognized under the Components Program
of Underwriters Laboratories and Certified by CSA.
AGENCY FILE NUMBERS: UL E10480, CSA LR 29862.
INTERRUPTING RATINGS: 35A @ 32 VDC
Reference Dimensions:
1.04
(.041")
Cu
.51
(.020")
.18
(.007")
.30
(.012")
ENVIRONMENTAL SPECIFICATIONS:
Operating Temperature: –55°C to 90°C. Consult temperature
rerating chart on page 4. For operation above 90°C contact Littelfuse.
Vibration: Per MIL-STD-202F.
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 –55°C to 125°C.
PHYSICAL SPECIFICATIONS:
Materials: Body: Epoxy Substrate
Terminations: 100% Copper/Nickel/Tin
Cover Coat: Conformal Coating
Soldering Parameters(see page 3 for typical soldering profile):
Reflow Solder— 260°C, 30 seconds maximum
Sn
.381
(.015")
.584
(.023")
.558
(.022")
REFLOW SOLDER
Marking Codes:
.250
1.0
.375
.5
1.25
1.5
.750
1.75
2.0
10
PACKAGING SPECIFICATIONS: 8mm Paper Tape and Reel per
EIA-RS481-1 (IEC 286, part 3); 10,000 per reel, add packaging suffix, KR.
Average Time Current Curves
PATENTED
ORDERING INFORMATION:
100
Nominal
Nominal
10
Catalog
Ampere
Voltage
Resistance
Melting I²t
Number
Rating
Rating
Cold Ohm¹
(A² Sec.)
0435.250
.25
32
0.220
0.0025
0435.375
.375
32
0435.500
.5
32
0.185
0.150
0.0035
0.0053
1
0435.750
.75
32
0.105
0.012
0435 001.
1
32
0.072
0.020
0435 1.25
1.25
32
0.060
0.035
0435 01.5
1.5
32
0.047
0.056
0.1
0435 1.75
1.75
32
0.038
0.075
0435 002.
2
32
0.030
0.100
1_{Measured at 10% of rated current, 25°C.}
2_{Measured at rated voltage.}
0.01
0.001
0.1
www.littelfuse.com
1
10
CURRENT IN AMPERES
100
373