PC44EPC25B-Z datasheet(22/45 Pages) TDK

22 / 45 page

(21/44)

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

PC90PQ35/35 gapped core (Typical)

PC90PQ35/35 core (Typical)

NI limit vs. AL-value for

AL-value vs. Air gap length for

PC95PQ35/35 gapped core (Typical)

PC95PQ35/35 core (Typical)

102

103

AL-value(nH/N2)

103

104

102

101

Temperature: 100˚C

40%

20%

NI20%=93242×AL–1.0658

NI40%=77446×AL–1.0227

104

103

102

101

Air gap length(mm)

0.01

0.10

Center pole gap

Temperature: 25˚C

AL=244.97×lg –0.7613

Note: NI limit shows the point where the exciting

current is 20% and 40% away from its

extended linear part.

Measuring conditions • Coil: ø0.4 2UEW 100Ts

• Frequency: 1kHz

• Level: 0.5mA

102

103

AL-value(nH/N2)

103

104

102

101

Temperature: 100˚C

40%

20%

NI20%=83940×AL–1.0631

NI40%=69406×AL–1.0211

104

103

102

101

Air gap length(mm)

0.01

0.10

Center pole gap

Temperature: 25˚C

AL=253.75×lg –0.8077

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