PC44EPC19-Z datasheet(39/45 Pages) TDK

39 / 45 page

(38/44)

002-03 / 20100305 / e143.fm

• All specifications are subject to change without notice.

NI limit vs. AL-value for

AL-value vs. Air gap length for

PC90EPC25 gapped core (Typical)

PC90EPC25 core (Typical)

NI limit vs. AL-value for

AL-value vs. Air gap length for

PC95EPC25 gapped core (Typical)

PC95EPC25 core (Typical)

102

103

AL-value(nH/N2)

103

104

102

101

Temperature: 100˚C

40%

20%

NI20%=21866×AL–1.0791

NI40%=20894×AL–1.048

104

103

102

101

Air gap length(mm)

0.01

0.10

Center pole gap

Temperature: 25˚C

AL=81.394×lg –0.69

Note: NI limit shows the point where the exciting

current is 20% and 40% away from its

extended linear part.

Measuring conditions • Coil: ø0.2 2UEW 100Ts

• Frequency: 1kHz

• Level: 0.5mA

102

103

AL-value(nH/N2)

103

104

102

101

Temperature: 100˚C

40%

20%

NI20%=18325×AL–1.0645

NI40%=19871×AL–1.058

104

103

102

101

Air gap length(mm)

0.01

0.10

Center pole gap

Temperature: 25˚C

AL=82.811×lg –0.7382

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