TC1-1T RF Balun Transformer 0.4–500MHz 1:1 50Ω Flux Coupled

TC1-1T RF Balun Transformer — 0.4–500MHz, 1:1 Impedance, 50Ω

Upgrade your RF circuit builds with the TC1-1T RF Balun Transformer — a compact, high-quality flux-coupled balanced-to-unbalanced converter designed to deliver reliable signal conversion across an impressively wide frequency range. Whether you're prototyping, repairing, or building RF equipment, this miniature transformer is a go-to component for engineers and hobbyists alike.

Key Specifications

• Impedance Ratio: 1:1 CT (Center-Tapped)
• Characteristic Impedance: 50Ω
• Frequency Range: 0.4 MHz to 500 MHz
• RF Power: 0.50W
• DC Current: 30mA
• Operating Temperature: -40°C to +85°C
• Dimensions: 5 × 4 × 3 mm
• Package Quantity: 2 or 5 pieces

Why Choose the TC1-1T RF Balun?

• ✅ Wideband Performance: Covers 0.4 to 500 MHz — suitable for HF, VHF, and UHF applications
• ✅ Flux-Coupled Design: Ensures efficient signal transfer with minimal loss between balanced and unbalanced circuits
• ✅ Ultra-Compact Form Factor: At just 5×4×3mm, it fits easily into tight PCB layouts
• ✅ Wide Temperature Tolerance: Operates reliably from -40°C to +85°C, making it suitable for demanding environments
• ✅ No Battery Required: Purely passive component — no power supply needed
• ✅ Multi-Pack Value: Available in 2-piece or 5-piece packs for your project needs

Ideal Applications

The TC1-1T is widely used in RF circuit design, antenna matching networks, signal converters, software-defined radio (SDR) setups, test equipment, and communication systems requiring balanced-to-unbalanced signal transformation at 50Ω impedance.

Made in Mainland China.

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Note: Please allow 2–3% dimensional variance due to manual measurement. Actual product color may vary slightly from images due to monitor calibration differences.

Learn more: EPA guidance on lithium-ion battery handling

Frequently Asked Questions

Q: What is a RF Balun Transformer and what does the TC1-1T do?

A: A balun (balanced-unbalanced) transformer converts signals between balanced and unbalanced circuit configurations. The TC1-1T RF Balun Transformer is a 1:1 flux-coupled component that efficiently transfers RF signals across a 50Ω impedance line over a frequency range of 0.4 to 500 MHz, making it ideal for antenna matching, signal routing, and RF circuit design.

Q: What frequency range does the TC1-1T cover?

A: The TC1-1T covers a wideband frequency range of 0.4 MHz to 500 MHz, spanning HF, VHF, and UHF bands — suitable for a wide variety of RF applications including SDR, amateur radio, and test equipment.

Q: Is the TC1-1T compatible with standard PCB layouts?

A: Yes. At just 5×4×3mm, the TC1-1T is a very compact surface-mount component that integrates easily into standard PCB designs. Its 50Ω characteristic impedance makes it compatible with most common RF circuit standards.

Q: How many pieces are included in each pack?

A: You can choose between a 2-piece pack or a 5-piece pack depending on your project requirements. Both options contain the same high-quality TC1-1T RF Balun Transformer.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.