Document 644-4
SMT Power Inductors - SER2900 Series
ESR vs Frequency
2000
SER2915L
Equivalent Series Resistance (Ohms)
1750
1500
1250
1000
750
500
250
0
0.1
1
10
100
33 µH
22 µH
15 µH
10 µH
Frequency (MHz)
Equivalent Series Resistance (Ohms)
SER2915H
1750
1500
1250
1000
750
500
250
0
0.1
1
33 µH
22 µH
2000
15 µH
10 µH
6.8
µH
4.7
µH
10
2.2
µH
3.3 µ
H
Frequency (MHz)
33 µH
15 µH
Equivalent Series Resistance (Ohms)
SER2918H
1500
1250
1000
750
500
250
0
0.1
1
22 µH
1750
10
10 µ
H
6.8 µ
H
3.3 µH
4.7 µH
2000
Frequency (MHz)
Specifications subject to change without notice.
Please check our website for latest information.
6.8
4.7
µH
3.3
µH
2.2
µH
µH
1.5
µH
100
100
Document 644-4
Revised 11/30/09
© Coilcraft, Inc. 2009
COILCRAFT [ Coilcraft lnc. ]
