CFS04 American Accurate Components, CFS04 Datasheet - Page 10

• Manufacturer Part Number: CFS04
• Description: Lead Free Thin Film Chip Fuse
• Manufacturer: American Accurate Components

■
e.g., choosing 0603 Fuse
◆ Considering Ratio of I
◆ Confrim with us
◆ Considering inrush waveform & calculate I
◆ Choosing fuse’s I
Inrush current :
Condition :
1. Rectangular Wave , Ip = 4 A , t = 1 ( ms ) ,
2.
3.
Calculating :
4. 0.070 > 0.016
Lead Free Thin Film Chip Fuse
Choosing CFS06V3T2R5 ( I
Inrush shock : 100,000 times ( ≒0.35 )
Part Designation
Calculate Ip
CFS04V2T1R25
CFS04V2T1R50
CFS04V2T1R60
CFS04V2T2R50
CFS04V2T3R15
1. Choosing fuse’s I
2. 0.200 x 0.35 = 0.070 (A
CFS04V2TR50
CFS04V2TR80
CFS04V2T1R0
CFS04V2T2R0
CFS04V2T3R0
CFS04V2T4R0
2
t (A
2
t = 4
2
s) value > calculate I
2
t repeat numbers to blowing
2
Suggesting use CFS06V3T2R50 .
x 1 x 10
2
t (A
2
s) value X Derating ratio > calculate I
Marking
–
2
3 (A) = 0.016
s)
W
M
2
F
K
P
N
S
T
U
L
3
t = 0.200 (A
2
2
t (A
t (A
(A
Rated Current
TA-I TECHNOLOGY CO., LTD
2
2
2
2
s) value
s) value
s)
s) ) ,
0.80A
1.00A
1.25A
1.50A
1.60A
2.00A
2.50A
3.00A
3.15A
4.00A
0.5A
Inrush 100,000 times
Inrush derating ratio
Page 12 index-table
Rated Voltage
Document No TCFS-04OS049D
Issued date
2
t (A
24V
24V
24V
24V
24V
24V
24V
24V
24V
24V
24V
Page
2
s) value
2007/7/25
10/15