Table FF1
Clear Time Characteristics for Fast-Acting Chip Fuses
Clear time at 25°C
4 hours min.
5 seconds max.
0.05 seconds max.
% of rated current
100%
250%
400%
Table FF2
Typical Electrical Characteristics, Dimensions and Recommended Pad Layout for
Fast-Acting Chip Fuses
0402 (1005mm) Fast-Acting Chip Fuses
Shape and
Dimensions
Inch (mm)
0.020±0.004
(0.51±0.10)
0.039±0.004
(1.00±0.10)
Typical Electrical
Characteristics
Part Number
0402SFF050F/24
0402SFF075F/24
0402SFF100F/24
Rated Current Nominal Cold DCR*
(A)
(Ω)
0.50
0.75
1.00
1.50
2.00
3.00
4.00
0.380
0.210
0.120
0.056
0.035
0.021
0.014
Max.
Interrupt Ratings
Voltage
(V
DC
)
24
24
24
24
24
24
24
Current
(A)
35
35
35
35
35
35
35
0.020±0.004
(0.51±0.10)
0.010±0.004
(0.25±0.10)
Recommended
Pad Layout
Inch (mm)
0.063
(1.60)
0.016
(0.40)
0
0.028
(0.70)
0.024
(0.60)
0402SFF150F/24
0402SFF200F/24
0402SFF300F/24
0402SFF400F/24
0603 (1608mm) Fast-Acting Chip Fuses
Typical Electrical
Characteristics
Shape and
Dimensions
Inch (mm)
0.031±0.006
(0.80±0.15)
0.063±0.006
(1.60±0.15)
Max.
Interrupt Ratings
Voltage
(V
DC
)
32
32
32
32
32
32
32
32
32
32
24
Current
(A)
50
50
50
35
35
35
35
35
35
35
35
Part Number
0603SFF050F/32
0603SFF075F/32
0603SFF100F/32
Rated Current Nominal Cold DCR*
(A)
(Ω)
0.50
0.75
1.00
1.50
2.00
2.50
3.00
3.50
4.00
5.00
6.00
0.485
0.254
0.131
0.059
0.044
0.032
0.025
0.024
0.018
0.013
0.010
0.031±0.006
(0.80±0.15)
0.014±0.006
(0.36±0.15)
0603SFF150F/32
0603SFF200F/32
11
Recommended
Pad Layout
Inch (mm)
0.110
(2.80)
0
0.024
(0.60)
0.039
(1.00)
0.043
(1.09)
0603SFF250F/32
0603SFF300F/32
0603SFF350F/32
0603SFF400F/32
0603SFF500F/32
0603SFF600F/24
1206 (3216mm) Fast-Acting Chip Fuses
Shape and
Dimensions
S
Inch (mm)
0.063±0.008
0
(1.60±0.20)
Typical Electrical
Characteristics
0.126±0.008
(3.20±0.20)
Max.
Interrupt Ratings
Voltage
(V
DC
)
63
63
63
63
63
63
32
32
32
32
24
24
24
Current
(A)
50
50
50
50
50
50
50
50
45
45
45
45
45
Part Number
1206SFF050F/63
1206SFF075F/63
0.043±0.008
(1.10±0.20)
Rated Current Nominal Cold DCR*
(A)
(Ω)
0.50
0.75
1.00
1.50
1.75
2.00
2.50
3.00
4.00
5.00
6.00
7.00
8.00
0.500
0.330
0.220
0.120
0.100
0.050
0.035
0.031
0.022
0.015
0.012
0.011
0.008
1206SFF100F/63
1206SFF150F/63
1206SFF175F/63
0.020±0.010
(0.51±0.25)
1206SFF200F/63
1206SFF250F/32
Recommended
Pad Layout
Inch (mm)
0.173
0
(4.40)
0.059
(1.50)
0.071
(1.80)
0.057
(1.45)
1206SFF300F/32
1206SFF400F/32
1206SFF500F/32
1206SFF600F/24
1206SFF700F/24
1206SFF800F/24
* Measured at
10% of rated current and 25°C ambient temperature.
100
RoHS Compliant, ELV Compliant
HF
Halogen Free
MACOM [ Tyco Electronics ]
