Block Through Hole PCB Transformer 230 V ac Primary, 18 V ac Secondary, 25 VA, Single Output, UL, VDE, Model VCM 25/1/18

Block VCM 25/1/18 is a high-quality Through Hole PCB Transformer designed for applications requiring 230 V ac primary voltage and a single 18 V ac secondary output. It delivers 25 VA power, optimized for efficient power transfer in electronic circuits and PCB mountings.

This transformer features a single primary and a single secondary winding setup, ensuring reliable and consistent voltage transformation. Constructed with vacuum resin moulding rated to UL94-V0, it provides flame retardance and enhanced durability during operation.

Measuring 81.2 mm in length, 55 mm in width, and 49.2 mm in depth, it occupies minimal PCB space. Weighing 610 g, it balances robustness and ease of mounting. The through-hole mount type along with extra fixing points ensures stable and secure installation on printed circuit boards.

With an efficiency of 82% and operating in the 50 Hz to 60 Hz frequency range, it supports common AC power standards. The transformer adheres to UL and VDE safety standards, making it ideal for industrial, commercial, and laboratory use where certified reliability is required. Its low inter-winding capacitance reduces electrical noise, contributing to improved circuit performance.

The transformer features a through-hole mount type ensuring secure installation. It is built with single primary and single secondary windings for reliable operation. Efficiency is rated at 82%, minimizing power losses during usage.

Compact dimensions optimize PCB space with length 81.2 mm, width 55 mm, and depth 49.2 mm. Complies with UL and VDE standards, ensuring safety and certification. Operates within a max temperature of 40°C suitable for various environments.

Low inter-winding capacitance reduces electrical noise in circuits. Additional fixing points enhance secure board mounting.

Use cases for the Block VCM 25/1/18 transformer span industrial control systems, electronic instrumentation, communication equipment, HVAC control boards, and power supply distributions. It combines safety, reliability, and compact design optimized for modern electronic assemblies.

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