Cases

Shielded Audio Transformer for Professional Microphone Equipment

Improving Audio Signal Isolation and Stability in Compact Audio Devices In professional audio equipment, maintaining clean and stable signal transmission is essential. Microphone systems and audio circuits often operate in compact environments where electromagnetic interference, limited PCB space, ...

2026-09-04

E25 Microphone Audio Transformer for Professional Audio Signal Isolation

Reliable Audio Signal Isolation for Microphone Applications Customer Challenge A professional audio equipment manufacturer was developing a compact microphone interface for recording and communication equipment. During the prototype stage, the customer encountered several challenges: Unwanted ...

2026-09-02

EI-14 Nickel Core Horizontal 2+2 Audio Transformer for Compact Audio Equipment

EI-14 Nickel Core Horizontal 2+2 Audio Transformer for Compact Audio Equipment A customer required a compact audio transformer for a space-limited audio device, with a horizontal mounting structure and reliable signal transmission. Our Solution We developed an EI-14 Nickel Core Horizontal 2+2 Audio ...

2026-08-29

Custom Low‑Frequency Transformer for Industrial Control Equipment

Overview This case describes our cooperation with an industrial equipment OEM customer from Europe. The customer manufactures automation control cabinets for factory production lines, requiring stable 50/60Hz low‑frequency power transformers for control‑board power supply, voltage step‑down and ...

2026-08-26

Oval Ferrite Wireless Charging Coil Product Case

1. Overview Our oval hollow wireless charging coil is a thin planar copper induction coil built with ferrite backing, designed for consumer electronics, smart home devices, wearable gadgets and custom wireless charging modules. Combining precision copper winding with ferrite magnetic shielding, this ...

2026-08-18

EI41 Low Frequency Transformer Case Study: Compact Power Conversion for Industrial Control and Power Supply Modules

EI41 Low Frequency Transformer Case Study Product Overview This case features the EI41 low frequency power transformer, a compact and reliable component designed for 50/60Hz AC power conversion. With its EI silicon steel core, yellow insulated winding, metal mounting brackets, and color-coded leads, ...

2026-08-14

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