LITTELFUSE 435

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:
Opening
Time at 25°C
4 hours, Minimum
5 seconds, Maximum
0.2 seconds, Maximum
Reference Dimensions:
1.04
(.041")
AGENCY APPROVALS: Recognized under the Components Program
of Underwriters Laboratories and Certified by CSA.
.51
(.020")
AGENCY FILE NUMBERS: UL E10480, CSA LR 29862.
INTERRUPTING RATINGS: 35A @ 32 VDC
ENVIRONMENTAL SPECIFICATIONS:
Operating Temperature: –55°C to 90°C. Consult temperature
.18
(.007")
Sn
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.
Marking Codes:
.584
(.023")
.381
(.015")
Terminations: 100% Copper/Nickel/Tin
Cover Coat: Conformal Coating
1
2
.750
1.75
10
2.0
.25A
.375A
100
ORDERING INFORMATION:
Nominal
Resistance
Cold Ohm1
0.220
0.185
0.150
0.105
0.072
0.060
0.047
0.038
0.030
Nominal
Melting I2t
(A2 Sec.)
0.0025
0.0035
0.0053
0.012
0.020
0.035
0.056
0.075
0.100
10
TIME IN SECONDS
Voltage
Rating
32
32
32
32
32
32
32
32
32
1.5
Average Time Current Curves
PATENTED
Ampere
Rating
.25
.375
.5
.75
1
1.25
1.5
1.75
2
1.25
.5
REFLOW SOLDER
Reflow Solder— 260°C, 30 seconds maximum
Catalog
Number
0435.250
0435.375
0435.500
0435.750
0435 001.
0435 1.25
0435 01.5
0435 1.75
0435 002.
1.0
.558
(.022")
Soldering Parameters(see page 3 for typical soldering profile):
PACKAGING SPECIFICATIONS: 8mm Paper Tape and Reel per
EIA-RS481-1 (IEC 286, part 3); 10,000 per reel, add packaging suffix, KR.
.250
.375
.5A
.75A
1A
1.25A
1.5A
1.75A
2A
PHYSICAL SPECIFICATIONS:
Materials: Body: Epoxy Substrate
.30
(.012")
Cu
SURFACE MOUNT
FUSES
% of Ampere
Rating
100%
200%
300%
1
0.1
Measured at 10% of rated current, 25°C.
Measured at rated voltage.
0.01
0.001
0.1
w w w. l i t t e l f u s e . c o m
1
10
CURRENT IN AMPERES
100
373