Revision of May 2019
Website: www.aemchina.com & www.aemcomponents.com
TF-FUSE
®
Thin Film Surface Mount Fuses
FF Series (Very Fast Acting), 0402 Size
Features:
• Very fast acting
• Low DCR
• High inrush current withstanding capability
• Fiberglass enforced epoxy fuse body
• Copper termination with nickel and tin plating
• Halogen free, RoHS compliance and lead-free
Unit Inch mm
Length (L) 0.039± 0.004 1.00 ± 0.10
Width (W) 0.020 ± 0.004 0.51± 0.10
Thickness (T) 0.013 ± 0.004 0.33 ± 0.10
Termination
bandwidth (b)
0.012 ± 0.004 0.30 ± 0.10
% of
Current
Rating
Ampere
Rating
Opening Time
at 25
o
C
100% 0.200A-5.00A 4 hours min.
200% 0.375A-5.00A 5 seconds max.
0.200A-0.250A 5 seconds max.
300%
0.375A-5.00A 0.2 second max.
Features:
Shape and Dimensions:
Agency Approval:
Recognized Under the Components Program of UL.
File Number: E232989.
Clearing Time Characteristics:
Operating temperature: -55 to +90°C
Typical Ratings and Characteristics:
Part Number
Current
Rating (A)
Voltage
Rating (VDC)
Interrupting Rating
Nominal
Cold DCR (Ω)1
Nominal I
2
t
(A2s)2
Marking
T0402FF0200TM 0.200 35 0.60 0.0017
35A@35V DC
T0402FF0250TM 0.250 35 0.33 0.0035
T0402FF0375TM 0.375 35 0.24 0.0036
T0402FF0500TM 0.50 35 0.16 0.0060
T0402FF0750TM 0.75 35 0.10 0.012
T0402FF1000TM 1.00 35 0.073 0.024
T0402FF1250TM 1.25 35 0.054 0.045
T0402FF1500TM 1.50 35 0.040 0.081
T0402FF1750TM 1.75 35 0.034 0.092
T0402FF2000TM 2.00 35 0.031 0.12
T0402FF2500TM 2.50 35 0.018 0.22
T0402FF3000TM 3.00 35 0.015 0.27
T0402FF3500TM 3.50 35 0.012 0.34
T0402FF4000TM 4.00 35 0.011 0.36
T0402FF5000TM 5.00 35 0.0090 0.55
1
Measured at ≤ 10% of rated current and 25˚C ambient .
2
Melting I
2
t at 0.001 second of current rating.
