Table FF1 Clear Time Characteristics for Fast-Acting Chip Fu
ses
% of rated current
100%
Clear time at 25°C
4 hours min.
250%
5 seconds max.
0.05 seconds max.
400%
Typical Electrical Characteris
t
ic
s, Dime
nsions and Recomm
e
nded Pad Layout for
Fast-Acting Chip Fuses
Table FF2
0402 (1005mm) Fast-Acting Chip Fuse
s
T
y pical Electr
i
c
al Characteristics Max. Interrupt Ratings
Shape and
Dimensions
Inch (mm)
0.020 0.004
(0.51 0.10)
0.039 0.004
(1. 0 0 0.10)
Rated
(A)
Nominal
Cold DCR
(Ω)*
Nominal
I2t
Voltage
Current
(A)
(A2sec)†
(VDC
)
0.020 0.004
(0.51 0.10)
0402SFF050F/24
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
0.0043
0.0076
0.0170
0.0490
0.0700
0.1250
0.2250
24
35
35
35
35
35
35
35
0.010 0.004
(0.25 0.10)
0402SFF400F/24
24
24
24
24
24
24
Recommended
Pad Layout
Inch (mm)
0.016
0.028
(0.70)
0.024
(0.60)
0603 (1608mm) Fast-Act
ing
C
h
ip Fuse
s
Typical Electrical Characteristics
Max. Interrupt Ratings
Shape and
Dimensions
Inch (mm)
0.031 0.006
(0.80 0.15)
Rated
Current
(A)
Nominal
Cold DCR
(Ω)*
Nominal
I2t
0.063 0.006
Voltage
Current
(A)
(A2sec)†
(VDC
32
32
32
32
32
32
32
32
32
32
24
)
Part Number
0603SFF050F/32
0603SFF075F/32
0603SFF100F/32
0603SFF150F/32
0603SFF200F/32
0603SFF250F/32
0603SFF300F/32
0603SFF350F/32
0603SFF400F/32
0603SFF500F/32
0603SFF600F/24
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
0.0029
0.0064
0.0160
0.0300
0.0600
0.1150
0.1900
0.2950
0.4000
0.7000
1.1250
50
50
50
35
35
35
35
35
35
35
35
0.031 0.006
0.014 0.006
(0.36 0.15)
0.110
(2.80)
Recommended
Pad Layout
Inch (mm)
0.024
(0.60)
11
0.039
(1.00)
0.043
(1.09)
1206 (3216mm) Fast-Acting Chip Fuses
Typical Electrical Characteristics
Max. Interrupt Ratings
Rated
Current
(A)
Nominal
Cold DCR
(Ω)*
Nominal
I2t
Voltage
Current
(A)
Shape and
Dimensions
Inch (mm)
0.063 0.008
(A2sec)†
(VDC
63
63
63
63
63
63
32
32
32
32
32
32
32
24
24
24
)
Part Number
(1.60 0.20)
0.126 0.008
(3.20 0.20)
1206SFF050F/63
1206SFF075F/63
1206SFF100F/63
1206SFF150F/63
1206SFF175F/63
1206SFF200F/63
1206SFF250F/32
1206SFF300F/32
1206SFF400F/32
1206SFF500F/32
1206SFF600F/32
1206SFF700F/32
1206SFF800F/32
1206SFF600F/24
1206SFF700F/24
1206SFF800F/24
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
6.00
7.00
8.00
0.730
0.513
0.220
0.120
0.100
0.050
0.035
0.031
0.022
0.015
0.013
0.011
0.008
0.013
0.011
0.008
0.0021
0.0052
0.0120
0.0250
0.0450
0.0700
0.1400
0.2200
0.3800
0.6000
1.0000
1.7500
2.5000
1.0000
1.7500
2.5000
50
50
50
50
50
50
50
50
45
45
50
50
50
45
45
45
0.043 0.008
(1.10 0.20)
0.020 0.010
(0.51 0.25)
Recommended
Pad Layout
Inch (mm)
0.173
(4.40)
0.059
(1.50)
0.071
(1.80)
0.057
(1.45)
* Measured at Յ10% of rated current and 25°C ambient temperature.
† Melting I2t at 0.001 sec clear time.
84
RoHS Compliant, ELV Compliant
HF Halogen Free
MACOM [ Tyco Electronics ]
