TRF 4294 PCB Transformer 3VA 17.5VAC 170mA Through Hole
Takealot · checked 3 days ago
2 offers · 1 retailers
Listed under the same model number
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- Average
- R 129.00
- Lowest seen
- R 129.00
- Highest seen
- R 129.00
- Last change
- R 0.00
- First indexed
- 26 Sep 2026
- Retailer
- Takealot
Description
The TRF 4294 PCB Transformer is a compact through-hole PCB mounting transformer designed to provide a stable 17.5VAC output for low-power electronic circuits, control systems, instrumentation, and power supply applications. With a 3VA power rating and a 170mA secondary current, it offers reliable performance for a wide range of commercial, industrial, and educational electronic equipment.
Designed for direct installation onto printed circuit boards, the TRF 4294 simplifies assembly, reduces external wiring, and saves valuable PCB space. Its encapsulated construction provides excellent electrical isolation between the primary and secondary windings, enhancing both safety and reliability in sensitive electronic applications.
The 17.5VAC secondary output is ideal for AC-to-DC power supply designs, allowing the output to be rectified and regulated to produce stable DC voltages for microcontroller circuits, instrumentation, automation systems, and other electronic devices.
Built for dependable long-term operation, the TRF 4294 is an excellent choice for OEM equipment, repair work, prototype development, and general-purpose electronic power supplies.
Features
Compact PCB mounting transformer
3VA power rating
17.5VAC secondary output
170mA secondary current
Through-hole PCB installation
Provides electrical isolation between primary and secondary
Stable AC output for low-power electronic circuits
Encapsulated, space-saving construction
Reliable long-term performance
Suitable for commercial and industrial electronics
Specifications
Part Number: TRF 4294
Product Type: PCB Transformer
Model: 4294
Power Rating: 3VA
Secondary Voltage: 17.5VAC
Secondary Current: 170mA
Mounting Type: PCB Through-Hole
Output Type: AC
Applications
PCB power supplies
Industrial control systems
Embedded electronic equipment
Instrumentation and measurement devices
AC-to-DC power supply circuits
Automation electronics
Security and alarm systems
Educational electronics projects
Prototype development
OEM electronic equipment
What's in the box
1 x TRF 4294 PCB Transformer 3VA 17.5VAC 170mA Through Hole