PCB Power Transformer Block: 230V to 24V, 3.2VA (133mA)

Reliable & Safe Voltage Conversion for Your Electronic Circuits

In the design of modern electronics, a safe and compact power source is essential. This PCB Power Transformer Block is engineered to precisely and efficiently step down a standard 230V AC mains supply to a stable and isolated 24V AC output. With a power rating of 3.2VA (133mA), it is perfectly suited for low-power control circuits and embedded applications.

Designed for direct mounting onto a printed circuit board (PCB), this transformer's split bobbin design provides enhanced safety and superior isolation between the primary and secondary windings. The vacuum filled casting ensures consistent performance and excellent thermal properties. This transformer is the ideal choice for applications that demand a robust, trustworthy, and safety-compliant power solution.

Key Features & Benefits

• Efficient Voltage Conversion: Converts standard 230V AC mains voltage to a versatile 24V AC output, perfectly suited for a wide range of low-power electronic components.

• High Safety & Isolation: The split bobbin design and a high dielectric strength of 4500Vrms provide enhanced electrical isolation between the input and output, protecting your sensitive electronics and ensuring user safety.

• Vacuum Filled Construction: The vacuum filled casting provides superior insulation, protects windings from environmental factors, and ensures reliable thermal performance.

• Compact & PCB Mountable: Designed with pins for direct and secure mounting onto a printed circuit board, simplifying assembly and providing a compact footprint.

• Optimized Performance: Engineered with a Class B (70°C Ta) insulation rating to ensure stable operation and a long operational life.

Technical Specifications

Feature	Specification
Product Type	PCB Power Transformer
Power Rating	3.2VA
Frequency	50-60 Hz
Primary Voltage	230V AC (Pins 1-5)
Primary Winding Resistance	1400Ω max
Secondary Voltage	24V AC (Pins 7-9)
Output Current	133mA
Secondary Winding Resistance	45Ω max
Insulation Class	Class B (70°C Ta)
Dielectric Strength	4500Vrms
Design	Split Bobbin, Vacuum Filled Casting
Mounting Style	PCB Mounting (Solder Pins)

 

Ideal Applications

This 3.2VA PCB Power Transformer Block is perfectly suited for a wide range of electronic and control applications where low power and high reliability are essential, including:

• Small Industrial Control Panels

• Home Automation & Smart Devices

• Security & Alarm Systems

• Building Management Systems (BMS)

• Small Power Supplies for Microcontrollers

• Powering Relays and Indicator Lights

Experience the peace of mind that comes with a reliable, safe, and compact power solution. Integrate this 3.2VA PCB Power Transformer Block into your next electronic design.