TDK Power Inductor Technical Data SLF7032 Series CONTENTS L-Q Frequency Characteristics DC Bias & Temperature Characteristics Temperature Characteristics Temperature Rise TDK CORPORATION Sep.2004 KY -1- C2520 TDK Power Inductor L-Q Frequency Characteristics SLF7032T-4R7M1R7-2PF 100 20 80 40 80 60 30 60 20 40 20 10 20 0 100000 0 Q 15 10 40 L 5 0 1 10 100 1000 10000 Q 50 L(uH) 100 Q L(uH) SLF7032T-3R3M1R9-2PF 25 1 10 Freq.(kHz) 10000 0 100000 SLF7032T-100M1R4-2PF 40 80 40 80 30 60 30 60 20 40 20 40 10 20 10 20 0 100000 0 0 1 10 100 1000 10000 1 10 Freq.(kHz) 1000 10000 0 100000 SLF7032T-220MR96-2PF 40 80 40 80 30 60 30 60 20 40 20 40 10 20 10 20 0 100000 0 0 1 10 100 1000 10000 1 Freq.(kHz) Sep.2004 KY 100 Q 50 L(uH) 100 Q L(uH) 100 Freq.(kHz) SLF7032T-150M1R1-2PF 50 100 Q 50 L(uH) 100 Q L(uH) 1000 Freq.(kHz) SLF7032T-6R8M1R6-2PF 50 100 10 100 1000 10000 0 100000 Freq.(kHz) -2- C2520 TDK Power Inductor L-Q Frequency Characteristics SLF7032T-330MR75-2PF SLF7032T-470MR67-2PF 100 100 80 80 80 80 60 60 60 40 40 20 Q Q L(uH) 60 L Q 100 L(uH) 100 40 40 20 20 20 0 100000 0 0 1 10 100 1000 10000 1 10 Freq.(kHz) 10000 0 100000 SLF7032T-101MR45-2PF 160 80 160 80 120 60 120 60 80 40 80 40 40 20 40 20 0 100000 0 0 1 10 100 1000 10000 1 10 Freq.(kHz) 1000 10000 0 100000 SLF7032T-221MR29-2PF 400 80 400 80 300 60 300 60 200 40 200 40 100 20 100 20 0 100000 0 0 1 10 100 1000 10000 1 Freq.(kHz) Sep.2004 KY 100 Q 500 L(uH) 100 Q L(uH) 100 Freq.(kHz) SLF7032T-151MR37-2PF 500 100 Q 200 L(uH) 100 Q L(uH) 1000 Freq.(kHz) SLF7032T-680MR59-2PF 200 100 10 100 1000 10000 0 100000 Freq.(kHz) -3- C2520 TDK Power Inductor L-Q Frequency Characteristics SLF7032T-331MR22-2PF 600 100 80 800 80 60 600 60 400 40 20 L Q Q 1000 Q L(uH) 800 SLF7032T-471MR20-2PF 100 L(uH) 1000 400 40 200 20 200 0 100000 0 0 1 10 100 1000 10000 1 10 Freq.(kHz) 10000 0 100000 SLF7032T-102MR13-2PF 1600 80 1600 80 1200 60 1200 60 800 40 800 40 400 20 400 20 0 100000 0 0 1 10 100 1000 10000 1 Freq.(kHz) Sep.2004 KY 100 Q 2000 L(uH) 100 Q L(uH) 1000 Freq.(kHz) SLF7032T-681MR16-2PF 2000 100 10 100 1000 10000 0 100000 Freq.(kHz) -4- C2520 TDK Power Inductor DC Bias & Temperature Characteristics SLF7032T-3R3M1R9-2PF 4 3 L(uH) Tem p. -40deg. -20 0 20 65 85 105 2 1 0 0.0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2 3.6 IDC(A) SLF7032T-4R7M1R7-2PF 6 4 L(uH) Tem p. -40deg. -20 0 20 65 85 105 2 0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 IDC(A) Sep.2004 KY -5- C2520 TDK Power Inductor DC Bias & Temperature Characteristics SLF7032T-6R8M1R6-2PF 8 6 L(uH) Tem p. -40deg. -20 0 20 65 85 105 4 2 0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 IDC(A) SLF7032T-100M1R4-2PF 12 10 L(uH) 8 Tem p. -40deg. -20 0 20 65 85 105 6 4 2 0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 IDC(A) Sep.2004 KY -6- C2520 TDK Power Inductor DC Bias & Temperature Characteristics SLF7032T-150M1R1-2PF 20 16 Tem p. -40deg. -20 0 20 65 85 105 L(uH) 12 8 4 0 0.0 0.5 1.0 1.5 2.0 2.5 IDC(A) SLF7032T-220MR96-2PF 25 20 Tem p. -40deg. -20 0 20 65 85 105 L(uH) 15 10 5 0 0.0 0.5 1.0 1.5 2.0 IDC(A) Sep.2004 KY -7- C2520 TDK Power Inductor DC Bias & Temperature Characteristics SLF7032T-330MR75-2PF 40 30 L(uH) Tem p. -40deg. -20 0 20 65 85 105 20 10 0 0.0 0.5 1.0 1.5 IDC(A) SLF7032T-470MR67-2PF 60 50 40 L(uH) Tem p. -40deg. -20 0 20 65 85 105 30 20 10 0 0.0 0.5 1.0 1.5 IDC(A) Sep.2004 KY -8- C2520 TDK Power Inductor DC Bias & Temperature Characteristics SLF7032T-680MR59-2PF 80 60 L(uH) Tem p. -40deg. -20 0 20 65 85 105 40 20 0 0.0 0.2 0.4 0.6 0.8 1.0 0.8 1.0 IDC(A) SLF7032T-101MR45-2PF 120 80 L(uH) Tem p. -40deg. -20 0 20 65 85 105 40 0 0.0 0.2 0.4 0.6 IDC(A) Sep.2004 KY -9- C2520 TDK Power Inductor DC Bias & Temperature Characteristics SLF7032T-151MR37-2PF 200 160 Tem p. -40deg. -20 0 20 65 85 105 L(uH) 120 80 40 0 0.0 0.2 0.4 0.6 0.8 IDC(A) SLF7032T-221MR29-2PF 250 200 Tem p. -40deg. -20 0 20 65 85 105 L(uH) 150 100 50 0 0.0 0.1 0.2 0.3 0.4 0.5 0.6 IDC(A) Sep.2004 KY - 10 - C2520 TDK Power Inductor DC Bias & Temperature Characteristics SLF7032T-331MR22-2PF 400 300 L(uH) Tem p. -40deg. -20 0 20 65 85 105 200 100 0 0.0 0.1 0.2 0.3 0.4 IDC(A) SLF7032T-471MR20-2PF 600 500 400 L(uH) Tem p. -40deg. -20 0 20 65 85 105 300 200 100 0 0.0 0.1 0.2 0.3 0.4 IDC(A) Sep.2004 KY - 11 - C2520 TDK Power Inductor DC Bias & Temperature Characteristics SLF7032T-681MR16-2PF 800 600 L(uH) Tem p. -40deg. -20 0 20 65 85 105 400 200 0 0.0 0.1 0.2 0.3 IDC(A) SLF7032T-102MR13-2PF 1200 L(uH) 800 400 0 0.00 Tem p. -40deg. -20 0 20 65 85 105 0.05 0.10 0.15 0.20 0.25 IDC(A) Sep.2004 KY - 12 - C2520 TDK Power Inductor Temperature Characteristics SLF7032T-3R3M1R9-2PF 20 basis on L at 20degree basis on L at 20degree 15 10 L Change(%) L Change(%) 15 SLF7032T-4R7M1R7-2PF 20 5 0 -5 -10 -15 10 5 0 -5 -10 -15 -20 -20 -40 -20 0 20 40 60 80 100 -40 -20 0 T emperature(degree) SLF7032T-6R8M1R6-2PF 20 L Change(%) L Change(%) 60 80 100 80 100 80 100 basis on L at 20degree 15 10 5 0 -5 -10 -15 10 5 0 -5 -10 -15 -20 -20 -40 -20 0 20 40 60 80 100 -40 -20 0 T emperature(degree) 40 60 SLF7032T-220MR96-2PF 20 basis on L at 20degree 15 20 T emperature(degree) SLF7032T-150M1R1-2PF 20 basis on L at 20degree 15 10 L Change(%) L Change(%) 40 SLF7032T-100M1R4-2PF 20 basis on L at 20degree 15 20 T emperature(degree) 5 0 -5 -10 -15 10 5 0 -5 -10 -15 -20 -20 -40 -20 0 20 40 60 80 100 -40 T emperature(degree) Sep.2004 KY -20 0 20 40 60 T emperature(degree) - 13 - C2520 TDK Power Inductor Temperature Characteristics SLF7032T-330MR75-2PF 20 basis on L at 20degree basis on L at 20degree 15 10 L Change(%) L Change(%) 15 SLF7032T-470MR67-2PF 20 5 0 -5 -10 -15 10 5 0 -5 -10 -15 -20 -20 -40 -20 0 20 40 60 80 100 -40 -20 0 T emperature(degree) SLF7032T-680MR59-2PF 20 L Change(%) L Change(%) 60 80 100 80 100 80 100 basis on L at 20degree 15 10 5 0 -5 -10 -15 10 5 0 -5 -10 -15 -20 -20 -40 -20 0 20 40 60 80 100 -40 -20 0 T emperature(degree) 40 60 SLF7032T-221MR29-2PF 20 basis on L at 20degree 15 20 T emperature(degree) SLF7032T-151MR37-2PF 20 basis on L at 20degree 15 10 L Change(%) L Change(%) 40 SLF7032T-101MR45-2PF 20 basis on L at 20degree 15 20 T emperature(degree) 5 0 -5 -10 -15 10 5 0 -5 -10 -15 -20 -20 -40 -20 0 20 40 60 80 100 -40 T emperature(degree) Sep.2004 KY -20 0 20 40 60 T emperature(degree) - 14 - C2520 TDK Power Inductor Temperature Characteristics SLF7032T-331MR22-2PF 20 basis on L at 20degree basis on L at 20degree 15 10 L Change(%) L Change(%) 15 SLF7032T-471MR20-2PF 20 5 0 -5 -10 -15 10 5 0 -5 -10 -15 -20 -20 -40 -20 0 20 40 60 80 100 -40 -20 0 T emperature(degree) SLF7032T-681MR16-2PF 20 60 80 100 80 100 basis on L at 20degree 15 10 L Change(%) L Change(%) 40 SLF7032T-102MR13-2PF 20 basis on L at 20degree 15 20 T emperature(degree) 5 0 -5 -10 -15 10 5 0 -5 -10 -15 -20 -20 -40 -20 0 20 40 60 80 100 -40 T emperature(degree) Sep.2004 KY -20 0 20 40 60 T emperature(degree) - 15 - C2520 TDK Power Inductor Temperature Rise SLF7032T-3R3M1R9-2PF SLF7032T-4R7M1R7-2PF 40 Temperature Rise(degree) Temperature Rise(degree) 40 30 20 10 0 30 20 10 0 0 1 2 3 4 5 0 1 2 IDC(A) SLF7032T-6R8M1R6-2PF 40 Temperature Rise(degree) Temperature Rise(degree) 4 SLF7032T-100M1R4-2PF 40 30 20 10 0 30 20 10 0 0 1 2 3 4 0 1 IDC(A) 2 3 IDC(A) SLF7032T-150M1R1-2PF SLF7032T-220MR96-2PF 40 Temperature Rise(degree) 40 Temperature Rise(degree) 3 IDC(A) 30 20 10 0 30 20 10 0 0.0 1.0 2.0 3.0 0.0 IDC(A) Sep.2004 KY 0.5 1.0 1.5 2.0 IDC(A) - 16 - C2520 TDK Power Inductor Temperature Rise SLF7032T-330MR75-PF SLF7032T-330MR75-PF SLF7032T-470MR67-2PF Temperature Rise(degree) 40 Temperature Rise(degree) Temperature Rise(degree) 4040 3030 2020 1010 00 30 20 10 0 0.0 0.0 0.5 0.5 1.0 1.0 1.5 1.5 2.0 2.0 0.0 0.5 1.0 IDC(A) IDC(A) SLF7032T-680MR59-2PF SLF7032T-101MR45-2PF 40 Temperature Rise(degree) Temperature Rise(degree) 40 30 20 10 0 30 20 10 0 0.0 0.5 1.0 1.5 0.0 0.2 0.4 IDC(A) 0.6 0.8 1.0 IDC(A) SLF7032T-151MR37-2PF SLF7032T-221MR29-2PF 40 Temperature Rise(degree) 40 Temperature Rise(degree) 1.5 IDC(A) 30 20 10 0 30 20 10 0 0.0 0.2 0.4 0.6 0.8 1.0 0.0 IDC(A) Sep.2004 KY 0.2 0.4 0.6 IDC(A) - 17 - C2520 TDK Power Inductor Temperature Rise SLF7032T-331MR22-2PF SLF7032T-471MR20-2PF 40 Temperature Rise(degree) Temperature Rise(degree) 40 30 20 10 0 30 20 10 0 0.0 0.2 0.4 0.6 0.0 0.1 0.2 IDC(A) SLF7032T-681MR16-2PF 0.4 SLF7032T-102MR13-2PF 40 Temperature Rise(degree) 40 Temperature Rise(degree) 0.3 IDC(A) 30 20 10 0 30 20 10 0 0.0 0.1 0.2 0.3 0.4 0.0 IDC(A) Sep.2004 KY 0.1 0.2 0.3 IDC(A) - 18 - C2520