DA102JC-R

Overview

The DA102JC-R is a single-channel audio and signal transformer from the Murata DA100J series, designed for surface-mount technology. It operates within a frequency range of 50 Hz to 60 Hz and features an inductance of 3.9 mH with a primary coil impedance of 110 Ohms. The component provides an insulation voltage of 2 kV and includes shielding to minimize electromagnetic interference. It supports a wide operating temperature range from -40°C to +85°C. The device utilizes a six-pin SMD package measuring 9.52 mm in length, 9 mm in width, and 6.35 mm in height.

Feature Summary

• Provides galvanic isolation for digital audio signals via a 1:1 turns ratio
• Integrated magnetic shielding reduces external electromagnetic interference
• Designed for reliable operation across extended industrial temperature ranges

Applications

• Digital audio transmission systems requiring signal isolation
• Professional audio equipment interface circuits
• Consumer electronics utilizing balanced audio connections

Procurement Notes

Verify the specific suffix against official Murata documentation to confirm exact electrical tolerances and packaging configurations. Ensure the procurement channel sources genuine components to maintain performance integrity. Cross-reference the manufacturer part number with authorized distributor catalogs to validate current availability status and lead times prior to finalizing orders.

Selection Notes

Select this component when a shielded, surface-mount audio transformer with high insulation voltage is required. Compare the 3.9 mH inductance and 110 Ohm impedance against circuit requirements. Consider the DA102MC-R as a suggested alternate if available, noting its different thermal characteristics. Evaluate physical footprint constraints against the 9.52 x 9 mm dimensions.

Part Context

This component belongs to the DA100J series of audio transformers manufactured by Murata Power Solutions. The series offers various inductance options tailored for different audio signal processing needs. These transformers are engineered for compact electronic designs requiring robust signal integrity and isolation in space-constrained applications.

Replacement Considerations

Murata suggests the DA102MC-R as an alternate part. Verify compatibility regarding operating temperature limits and inductance specifications before substitution.