Product Overview
12 µH Shielded Drum-Core SMD Power Inductor, Sumida CDRH127 Series, Top Stamp 120
Condition
Unused new old stock (NOS). Sold each. Markings legible: 120.
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Product Overview
Sumida's CDRH127 line is a range of square, shielded surface-mount power inductors, and CDRH127-120MC is its 12 µH value. The top face carries the value stamp 120; the base has two metal terminals on opposite sides.
Key Features
- Inductance: 12 µH, top stamp 120
- Series: Sumida CDRH127 SMD power inductor
- Construction: shielded drum core
- Mounting: surface mount, two terminals on opposite sides of the base
- Body: square, 12 mm class, notched corners
Applications
- Fitting the 12 µH energy-storage position of a buck or boost converter laid out for a CDRH127-size body
- Replacing a cracked or burnt inductor stamped 120 in the same square body on a power board
Frequently Asked Questions
How do I tell this value apart from other CDRH127 inductors?
By the top stamp. Every value in the line shares the square body, and this one reads 120 for 12 µH.
Which way round does it mount?
Either way. A single-winding inductor has no polarity, so the two terminals are interchangeable on their pads.
More pieces cost less each - the price-break table on this page shows what each quantity costs.
A drum core is a spool with the winding wrapped around its waist and the shield closed around it like a sleeve, so from the top the coil never shows. Turn it over and the copper peeking out at the notched corners is your last look at the winding before it goes down on the pads.
