C2520
Aug.2005 KY - 1 -
TDK Power Inductor
Technical Data
SLF12575-PF Series
TDK CORPORATION
CONTENTS
L-Q Frequency Characteristics
DC Bias & Temperature Characteristics
Temperature Charact eristics
Temperature Ris e
C2520
Aug.2005 KY - 2 -
TDK Power Inductor
SLF12575T-680M2R0-PF
0
40
80
120
160
200
1 10 100 1000 10000 100000
Freq.(kHz)
L(uH)
0
20
40
60
80
100
Q
SLF12575T-470M2R7-PF
0
20
40
60
80
100
1 10 100 1000 10000 100000
Freq.(kHz)
L(uH)
0
20
40
60
80
100
Q
SLF12575T-330M3R2-PF
0
20
40
60
80
100
1 10 100 1000 10000 100000
Freq.(kHz)
L(uH)
0
20
40
60
80
100
Q
SLF12575T-220M4R0-PF
0
10
20
30
40
50
1 10 100 1000 10000 100000
Freq.(kHz)
L(uH)
0
20
40
60
80
100
Q
SLF12575T-150M4R7-PF
0
10
20
30
40
50
1 10 100 1000 10000 100000
Freq.(kHz)
L(uH)
0
20
40
60
80
100
Q
SLF12575T-100M5R4-PF
0
10
20
30
40
50
1 10 100 1000 10000 100000
Freq.(kHz)
L(uH)
0
20
40
60
80
100
Q
L-Q Frequency Characteristics
L
Q
C2520
Aug.2005 KY - 3 -
TDK Power Inductor
SLF12575T-221M1R3-PF
0
100
200
300
400
500
1 10 100 1000 10000 100000
Freq.(kHz)
L(uH)
0
20
40
60
80
100
Q
SLF12575T-151M1R5-PF
0
100
200
300
400
500
1 10 100 1000 10000 100000
Freq.(kHz)
L(uH)
0
20
40
60
80
100
Q
SLF12575T-101M1R9-PF
0
40
80
120
160
200
1 10 100 1000 10000 100000
Freq.(kHz)
L(uH)
0
20
40
60
80
100
Q
L-Q Frequency Characteristics
L
Q
C2520
Aug.2005 KY - 4 -
TDK Power Inductor
SLF12575T-150M4R7-PF
0
4
8
12
16
0246810
IDC(A)
L(uH)
Temp.
-40deg.
-20
0
20
65
85
105
SLF12575T-100M5R4-PF
0
2
4
6
8
10
12
0246810
IDC(A)
L(uH)
Temp.
-40deg.
-20
0
20
65
85
105
DC Bias & Temperature Characteristics
C2520
Aug.2005 KY - 5 -
TDK Power Inductor
SLF12575T-330M3R2-PF
0
10
20
30
40
01234567
IDC(A)
L(uH)
Temp.
-40deg.
-20
0
20
65
85
105
SLF12575T-220M4R0-PF
0
5
10
15
20
25
02468
IDC(A)
L(uH)
Temp.
-40deg.
-20
0
20
65
85
105
DC Bias & Temperature Characteristics
C2520
Aug.2005 KY - 6 -
TDK Power Inductor
SLF12575T-680M2R0-PF
0
20
40
60
80
012345
IDC(A)
L(uH)
Temp.
-40deg.
-20
0
20
65
85
105
SLF12575T-470M2R7-PF
0
10
20
30
40
50
0246
IDC(A)
L(uH)
Temp.
-40deg.
-20
0
20
65
85
105
DC Bias & Temperature Characteristics
C2520
Aug.2005 KY - 7 -
TDK Power Inductor
SLF12575T-151M1R5-PF
0
40
80
120
160
0.0 0.5 1.0 1.5 2.0
IDC(A)
L(uH)
Temp.
-40deg.
-20
0
20
65
85
105
SLF12575T-101M1R9-PF
0
40
80
120
0123
IDC(A)
L(uH)
Temp.
-40deg.
-20
0
20
65
85
105
DC Bias & Temperature Characteristics
C2520
Aug.2005 KY - 8 -
TDK Power Inductor
SLF12575T-221M1R3-PF
0
50
100
150
200
250
0.0 0.5 1.0 1.5 2.0
IDC(A)
L(uH)
Temp.
-40deg.
-20
0
20
65
85
105
DC Bias & Temperature Characteristics
C2520
Aug.2005 KY - 9 -
TDK Power Inductor
SLF12575T-680M2R0-PF
-20
-15
-10
-5
0
5
10
15
20
-40 -20 0 20 40 60 80 100
Temperature(degree)
L Chang e(%)
basi s on L at 20degree
SLF12575T-470M2R7-PF
-20
-15
-10
-5
0
5
10
15
20
-40 -20 0 20 40 60 80 100
Temperature(degree)
L Chang e(%)
basi s on L at 20degree
SLF12575T-330M3R2-PF
-20
-15
-10
-5
0
5
10
15
20
-40 -20 0 20 40 60 80 100
Temperature(degree)
L Ch ange(%)
basi s on L at 20degree
SLF12575T-220M4R0-PF
-20
-15
-10
-5
0
5
10
15
20
-40 -20 0 20 40 60 80 100
Temperature(degree)
L Ch ange(%)
basi s on L at 20degree
SLF12575T-150M4R7-PF
-20
-15
-10
-5
0
5
10
15
20
-40 -20 0 20 40 60 80 100
Temperature(degree)
L Ch ange(%)
basi s on L at 20degree
SLF12575T-100M5R4-PF
-20
-15
-10
-5
0
5
10
15
20
-40 -20 0 20 40 60 80 100
Temperature(degree)
L Ch ange(%)
basi s on L at 20degree
Temperature Characteristics
C2520
Aug.2005 KY - 10 -
TDK Power Inductor
SLF12575T-221M1R3-PF
-20
-15
-10
-5
0
5
10
15
20
-40 -20 0 20 40 60 80 100
Temperature(degree)
L Ch ange(%)
basi s on L at 20degree
SLF12575T-151M1R5-PF
-20
-15
-10
-5
0
5
10
15
20
-40 -20 0 20 40 60 80 100
Temperature(degree)
L Ch ange(%)
basi s on L at 20degree
SLF12575T-101M1R9-PF
-20
-15
-10
-5
0
5
10
15
20
-40 -20 0 20 40 60 80 100
Temperature(degree)
L Ch ange(%)
basi s on L at 20degree
Temperature Characteristics
C2520
Aug.2005 KY - 11 -
TDK Power Inductor
SLF12575T-680M2R0-PF
0
10
20
30
40
0123
IDC(A)
Tem p er atur e Rise( deg r ee)
SLF12575T-470M2R7-PF
0
10
20
30
40
01234
IDC(A)
Tem p er atur e Rise( deg r ee)
SLF12575T-330M3R2-PF
0
10
20
30
40
012345
IDC(A)
Tem pe r atu r e Rise(degr e e)
SLF12575T-220M4R0-PF
0
10
20
30
40
012345
IDC(A)
Tem pe r atu r e Rise(degr e e)
SLF12575T-150M4R7-PF
0
10
20
30
40
0123456
IDC(A)
Temper atur e Rise(degr ee)
SLF12575T-100M5R4-PF
0
10
20
30
40
02468
IDC(A)
Temper atur e Rise(degr ee)
Temperature Rise
C2520
Aug.2005 KY - 12 -
TDK Power Inductor
SLF12575T-221M1R3-PF
0
10
20
30
40
01122
IDC(A)
Tem pe r atu r e Rise(degr e e)
SLF12575T-151M1R5-PF
0
10
20
30
40
012
IDC(A)
Temper atur e Rise(degr ee)
SLF12575T-101M1R9-PF
0
10
20
30
40
0123
IDC(A)
Temper atur e Rise(degr ee)
Temperature Rise
