The EPI AC3 series inductors are optimized for National's LM267X and LM259X series. It uses low loss material and can work in high frequency switching converters, such as buck, boost or as output averaging filter inductor. EPI AC3 series inductors are also suitable for use in high quality filter applications.
The EPI AC3 Series is a thru‑hole power inductor optimized for National’s LM267X and LM259X regulator families. It is designed for high‑frequency switching converters such as buck and boost converters, as well as high‑quality filter applications.
The datasheet lists primary specifications including switching frequency, DC resistance, inductance values for each part number, and package options (AC3V, AC3, AC3H). Mechanical dimensions and pad layouts are provided, and mounting orientation is indicated by adding “V” for vertical or “H” for horizontal mount.
| Switching Frequency | 150 kHz – 500 kHz |
|---|---|
| Material | Low loss material for high‑frequency operation |
| Package Types | AC3V, AC3, AC3H |
| Mounting Orientation | Add “V” for vertical mount, “H” for horizontal mount |
| Dimension Units | Inches unless otherwise specified |
The EPI AC3 series operates between 150 kHz and 500 kHz.
The inductors are offered in AC3V, AC3, and AC3H package styles.
Add “V” to the part number for a vertical‑mount version and “H” for a horizontal‑mount version.
They are optimized for National’s LM267X & LM259X series and can be used in buck, boost converters and high‑quality filter applications.