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Product Detailed Parameters
- Description：1:2 CORE & WIRE TRANSFORMER, 20
- Series：-
- Mfr：Mini-Circuits
- Package：Tape & Reel (TR)
- Frequency Range：20MHz ~ 1.25GHz
- Impedance - Unbalanced/Balanced：1:02
- Phase Difference：8°
- Insertion Loss (Max)：2.5dB
- Return Loss (Min)：12.7dB
- Package / Case：6-SMD Module
- Mounting Type：Surface Mount
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Overview
The TX-2-5-1+ is a 1:2 core and wire transformer balun manufactured by Mini-Circuits. It operates within a frequency range of 20 MHz to 1.25 GHz. The component features a 75 Ohm impedance and is housed in a compact 6-SMD module package. This device is designed for balanced-to-unbalanced signal conversion in RF applications.
Feature Summary
- Provides 1:2 impedance transformation ratio
- Operates from 20 MHz to 1.25 GHz
- Utilizes core and wire transformer technology
- Designed for 75 Ohm systems
Applications
- CATV systems
- Broadband access networks
- DOCSIS 3.1 infrastructure
Procurement Notes
Verify the specific ordering suffix to ensure correct packaging configuration, such as tape and reel options. Confirm that the 75 Ohm impedance matches your system requirements. Check environmental ratings if deployment involves harsh conditions. Ensure compatibility with existing PCB footprints for the 6-SMD module. Validate frequency coverage against your operational bandwidth needs before finalizing procurement.
Selection Notes
Select this component when a 1:2 transformation ratio is required for 75 Ohm circuits. It is suitable for designs needing operation up to 1.25 GHz. Consider the SMD package size for space-constrained layouts. Evaluate insertion loss and return loss specifications if detailed performance data is available in the official datasheet. Ensure the frequency range covers your lowest and highest operating signals.
Part Context
This balun belongs to Mini-Circuits' TX-2 series of RF transformers. The series offers various impedance ratios and frequency ranges. The TX-2-5-1+ specifically targets 75 Ohm applications. It complements other Mini-Circuits components like filters and amplifiers in complete RF front-end solutions.
Replacement Considerations
Consult Mini-Circuits documentation for direct substitutes. Verify pinout compatibility and impedance matching. Ensure frequency range overlap. Check package dimensions for mechanical fit. Review electrical specifications for equivalent performance.
