0603PS-781KLC – COILCRAFT

Overview

The Coilcraft 0603PS-781KLC is a semi-shielded surface-mount power inductor designed for efficient energy storage in compact DC-DC converter circuits. Its critical operational characteristic is the 780 nH inductance value, which must be carefully balanced against its 1.3 A saturation current rating to prevent core saturation and maintain stable output voltage regulation. A key design consideration is the trade-off between inductance density and DC resistance (DCR); while the 0603 footprint offers excellent space savings, achieving lower DCR for improved efficiency often necessitates larger inductor packages, making this part ideal for applications where board real estate is at a premium but efficiency is still a significant concern.

Key Features

• Inductance: 780 nH
• Tolerance: ±10%
• Maximum DC Current: 1.3 A
• Maximum DC Resistance: 240 mOhms
• Operating Temperature Range: -40°C to +65°C
• Dimensions: 2.59 mm x 2.08 mm x 1.8 mm (0603/1608 metric)

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.

• Switching regulator output filtering for portable electronics
• Input filtering for noise reduction in low-power DC-DC converters
• Energy storage in compact buck or boost converter topologies
• EMI suppression in sensitive signal paths within power supplies