D03316P-153MLD – COILCRAFT

Part Number:

D03316P-153MLD

Manufacturer:

COILCRAFT

Date Code:

RoHS:

MSL:

COO:

Description:

15 µH Unshielded Drum Core Inductor, 3.1 A, 46 mOhm Max

Datasheet:

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Stock Quantity: 111

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Product Details:

Overview

The Coilcraft DO3316P-153MLD is a 15 µH unshielded drum core inductor designed for robust power and signal applications. Its primary function is energy storage in switching power supplies and filtering of unwanted noise, characterized by a substantial 3.1A current rating. A critical design consideration for this component is the trade-off between its high inductance value and its inherent saturation current (3A Isat); designers must ensure operating currents remain below this threshold to prevent significant inductance drop and potential circuit malfunction, especially in transient conditions.

Key Features

Inductance: 15 µH (±20%)
Current Rating: 3.1 A
Saturation Current (Isat): 3 A
DC Resistance (DCR): 46 mΩ Max
Self-Resonant Frequency: 27 MHz
Dimensions: 12.95mm x 9.40mm x 5.21mm (L x W x H)

Applications

The component is engineered for deployment in systems requiring high reliability and performance under specific operating conditions. It provides functional stability across the stated design envelope.

Input filtering for DC-DC converters in portable electronics.
Energy storage in buck converter output stages.
Choke coils for audio frequency signal conditioning.
EMI suppression in moderate power switching circuits.