DO5022H-222MLB – COILCRAFT

Part Number:

DO5022H-222MLB

Manufacturer:

COILCRAFT

Date Code:

RoHS:

RoHS Compliant

MSL:

COO:

Description:

2.2 uH General Purpose Inductor, 20% Tolerance, SMD, 8864 Package

Datasheet:

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Stock Quantity: 94

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Product Details:

Overview

The Coilcraft DO5022H-222MLB is a high-performance molded inductor designed for demanding power conversion and signal filtering applications. Its core strength lies in its exceptional saturation current (Isat) of 20000mA, enabling it to handle significant current transients without significant inductance derating, a critical factor in preventing voltage ripple amplification in DC-DC converters. However, designers must carefully consider the trade-off between its relatively low self-resonant frequency (SRF) of 75MHz and the desired operating bandwidth, as exceeding this SRF can lead to undesirable capacitive coupling and signal integrity issues in high-frequency circuits.

Key Features

Inductance: 2.2 µH (±20% tolerance)
DC Resistance (DCR): 6.1 mΩ maximum
Self-Resonant Frequency (SRF): 75 MHz typical
Saturation Current (Isat): 20000 mA
RMS Current (Irms): 12.0 A
Compact molded construction (Dimensions: 5.0 x 2.2 mm)

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.

High-current buck and boost converter output filtering
Power sequencing for high-speed digital logic ICs
EMI suppression in automotive power trains
Energy storage elements in switch-mode power supplies