TRF 12851 PCB Transformer 1.25VA 220VAC to 42VAC Through Hole

The TRF 12851 PCB Transformer is a compact through-hole printed circuit board transformer designed to safely step down 220VAC to 42VAC for low-power electronic circuits and control applications. With a 1.25VA power rating, it provides reliable isolation and stable AC output for embedded systems, instrumentation, power supplies, and industrial electronics.

Designed for direct PCB mounting, the transformer simplifies circuit assembly while saving valuable board space. Its compact construction makes it ideal for applications where size, reliability, and electrical isolation are important. The transformer delivers dependable performance for continuous operation and is suitable for both commercial and industrial electronic equipment.

The TRF 12851 is manufactured for long service life and provides a reliable AC voltage source for rectification, regulation, signal conditioning, and low-power control circuits.

Features

• Compact PCB mounting transformer
• Steps down 220VAC to 42VAC
• 1.25VA power rating
• Through-hole PCB installation
• Provides electrical isolation between input and output
• Stable AC output for low-power circuits
• Compact, space-saving design
• Reliable long-term operation
• Suitable for commercial and industrial electronics
• Easy integration into PCB assemblies

Specifications

• Part Number: TRF 12851
• Product Type: PCB Transformer
• Rated Power: 1.25VA
• Primary Voltage: 220VAC
• Secondary Voltage: 42VAC
• Mounting Type: PCB Through-Hole
• Output Type: AC
• Construction: Encapsulated PCB Transformer

Applications

• PCB power supplies
• Control circuits
• Industrial electronics
• Embedded systems
• Instrumentation equipment
• Measurement devices
• Automation systems
• Signal conditioning circuits
• Educational and DIY electronics projects
• OEM electronic equipment

What's in the box
1 x TRF 12851 PCB Transformer 1.25VA 220VAC to 42VAC Through Hole