Ferrite for Switching Power Supplies E cores EI/EE/EF/EER/ETD series Issue date: • All specifications are subject to change without notice. • Conformity to RoHS Directive: This means that, in conformity with EU Directive 2002/95/EC, lead, cadmium, mercury, hexavalent chromium, and specific bromine-based flame retardants, PBB and PBDE, have not been used, except for exempted applications.

Ferrite for Switching Power Supplies E Series EI12.5 to EI60 EE8 to EE60 EF12.6 to EF32 EER25.5 to EER49 ETD19 to ETD49 Ordering Code System PC47 EI 30 – A200 Material Size of E core • All specifications are subject to change without notice. 003-01 / 20110423 / e141.fm

Effective parameter Electrical characteristics _ ,., „ . „ ,, AL-value (nH/N2)* Core loss (W) max. Weight • All specifications are subject to change without notice.

Effective parameter Electrical characteristics Core loss (W) max. Weight • All specifications are subject to change without notice.

Effective parameter Part No. Electrical characteristics AL-value (nH/N2)∗ • All specifications are subject to change without notice. 003-01 / 20110423 / e141.fm

Effective parameter Part No. Electrical characteristics AL-value (nH/N2)∗ • All specifications are subject to change without notice. 003-01 / 20110423 / e141.fm

Effective parameter Part No. Electrical characteristics AL-value (nH/N2)∗ • All specifications are subject to change without notice. 003-01 / 20110423 / e141.fm

Effective parameter Part No. Electrical characteristics AL-value (nH/N2)∗ • All specifications are subject to change without notice. 003-01 / 20110423 / e141.fm

JIS FEER 34.2 JIS FEER 39.1 JIS FEER 44 JIS FEER 48.7 Effective parameter Electrical characteristics AL-value (nH/N2)∗ • All specifications are subject to change without notice. 003-01 / 20110423 / e141.fm

Core factor Effective magnetic path length Effective cross-sectional area Effective core volume Cross-sectional center pole area Minimum cross-sectional area Cross-sectional winding area of core Weight (approx.) Calculated output power (forward converter mode) NI limit vs. AL-value for PC47EI12.5 gapped core (Typical) 10 3 AL-value vs. Air gap length for PC47EI12.5 core (Typical) 10 4 Temperature rise vs. Total loss for EI12.5 core (Typical) (Ambient temperature: 25°C) Note: NI limit shows the point where the exciting current is 20% and 40% away from its extended linear part. Measuring conditions...

Core factor Effective magnetic path length Effective cross-sectional area Effective core volume Cross-sectional center pole area Minimum cross-sectional area Cross-sectional winding area of core Weight (approx.) Calculated output power (forward converter mode) NI limit vs. AL-value for PC47EI16 gapped core (Typical) 10 3 AL-value vs. Air gap length for PC47EI16 core (Typical) 10 4 Note: NI limit shows the point where the exciting current is 20% and 40% away from its extended linear part. Temperature rise vs. Total loss for EI16 core (Typical) (Ambient temperature: 25°C) Measuring conditions •...

Note: Nl limit shows the point where the exciting current is 20% and 40% away from its extended linear part. Measuring conditions • Coil: 00.23 2UEW 100Ts Temperature rise vs. Total loss for Note: The temperature rise is measured in the room whose temperature and humidity are • All specifications are subject to change without notice.

Note: Nl limit shows the point where the exciting current is 20% and 40% away from its extended linear part. Measuring conditions • Coil: 00.23 2UEW 100Ts Temperature rise vs. Total loss for Note: The temperature rise is measured in the room whose temperature and humidity are • All specifications are subject to change without notice.

Core factor Effective magnetic path length Effective cross-sectional area Effective core volume Cross-sectional center pole area Minimum cross-sectional area Cross-sectional winding area of core Weight (approx.) Calculated output power (forward converter mode) NI limit vs. AL-value for PC47EI22/19/6 gapped core (Typical) 10 3 AL-value vs. Air gap length for PC47EI22/19/6 core (Typical) 10 4 Temperature rise vs. Total loss for EI22/19/6 core (Typical) (Ambient temperature: 25°C) Note: NI limit shows the point where the exciting current is 20% and 40% away from its extended linear part. Measuring...

Core factor Effective magnetic path length Effective cross-sectional area Effective core volume Cross-sectional center pole area Minimum cross-sectional area Cross-sectional winding area of core Weight (approx.) _ . , Core loss (W) at 100°C Calculated output power 100kHz, 200mT (forward converter mode) PC47EI25 gapped core (Typical) Note: Nl limit shows the point where the exciting current is 20% and 40% away from its extended linear part. Measuring conditions • Coil: 00.35 2UEW 10OTs Temperature rise vs. Total loss for Note: The temperature rise is measured in the room whose temperature and...

Core factor Effective magnetic path length Effective cross-sectional area Effective core volume Cross-sectional center pole area Minimum cross-sectional area Cross-sectional winding area of core Weight (approx.) Calculated output power (forward converter mode) NI limit vs. AL-value for PC47EI28 gapped core (Typical) 10 3 AL-value vs. Air gap length for PC47EI28 core (Typical) 10 4 Note: NI limit shows the point where the exciting current is 20% and 40% away from its extended linear part. Temperature rise vs. Total loss for EI28 core (Typical) (Ambient temperature: 25°C) Measuring conditions •...

Core factor Effective magnetic path length Effective cross-sectional area Effective core volume Cross-sectional center pole area Minimum cross-sectional area Cross-sectional winding area of core Weight (approx.) Calculated output power (forward converter mode) NI limit vs. AL-value for PC47EI30 gapped core (Typical) 10 3 AL-value vs. Air gap length for PC47EI30 core (Typical) 10 4 Note: NI limit shows the point where the exciting current is 20% and 40% away from its extended linear part. Temperature rise vs. Total loss for EI30 core (Typical) (Ambient temperature: 25°C) Measuring conditions •...