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ZXYAUDIO SMD RF Balun Transformer - Wideband Surface-Mount Balun, Ferrite Double-Hole Core, Copper Wire Multi-Winding, Unbalanced to Balanced, for RF and Telecommunications
The SMD RF balun transformer is a wideband surface-mount balun built on a high-permeability ferrite double-hole core with a multi-winding copper wire structure. It converts unbalanced RF signals to balanced signals and vice versa, making it suitable for RF communication and telecommunications equipment requiring balanced feeding, low insertion loss, and port-to-port isolation.
- 阻抗
- 定制阻抗比
- 阻抗（2）
- 定制阻抗比
- 平衡度
- 幅度和相位平衡（0° / 180°）
Phone:+86 13554723725
Email:rhea@zxycoil.com
Description
1. Product Overview
The SMD RF balun transformer is a wideband surface-mount balun featuring a high-permeability ferrite double-hole core wound with multiple turns of copper wire. It converts unbalanced RF signals to balanced signals and vice versa, making it ideal for RF communication and telecommunications equipment that requires balanced feeding, low insertion loss, and port-to-port isolation.
SMD RF Balun Transformer, Wideband Surface-Mount Technology
2. Key Features
- Surface-mount design for automated SMT assembly
- High-permeability ferrite double-hole core
- Multi-turn copper wire winding with tight tolerance control
- Wideband operation with amplitude and phase balance
- Customizable impedance ratio upon request
3. Advantages
| Advantage | Description |
|---|---|
| Efficient Signal Conversion | Precisely converts unbalanced RF signals to balanced signals and vice versa. This efficient conversion minimizes signal reflection and loss, ensuring seamless signal transmission between different circuit types and transmission lines, thereby enhancing overall RF system performance. |
| Wide Frequency Response | Offers a broad operating frequency range. It maintains excellent performance across multiple frequency bands, making it suitable for various RF applications. This eliminates the need for multiple transformers for different frequencies, reducing cost and system complexity. |
| Low Insertion Loss | Utilizes high-quality materials and an optimized design to minimize energy loss as signals pass through. This ensures signals retain their strength and quality, improving reception sensitivity and transmission efficiency, especially in long-distance transmission or multi-stage amplification circuits. |
| High Isolation | Provides a high level of isolation between input and output ports. This effectively suppresses signal crosstalk between ports, preventing inter-signal interference. It enhances signal purity and system stability, which is critical for multi-channel or multi-signal processing systems, reducing signal interference and bit error rates. |
| Excellent Impedance Matching | Through thoughtful design, achieves good input and output impedance matching tailored to different application requirements. This enables optimal power transfer between signal source and load, minimizes reflected waves, improves transmission efficiency, and reduces voltage standing wave ratio (VSWR), thereby enhancing overall system performance and reliability. |
| Good Electromagnetic Compatibility | With appropriate core material selection and shielding measures, exhibits good electromagnetic compatibility. It prevents external electromagnetic interference from affecting internal signal transmission while avoiding self-generated interference that could affect other devices. This ensures compliance with electromagnetic environment requirements, making it suitable for various complex electromagnetic environments. |
| High Reliability | Features a compact structure, high-quality materials, and advanced manufacturing processes, delivering high stability and reliability. It operates reliably over extended periods under diverse environmental conditions, reducing maintenance and replacement costs. Suitable for RF systems with stringent reliability requirements, such as aerospace and military communications. |
4. Application Areas
- RF front-ends and antenna feed networks requiring balanced feeding
- Wideband RF signal chains in communication and telecommunications equipment
- Multi-channel circuit boards requiring port-to-port isolation
5. Specifications
5.1 Product Overview
| Item | Parameter |
|---|---|
| Product Type | SMD RF Balun Transformer |
| Mounting Method | Surface Mount (SMD) |
| Core | Ferrite, Double-Hole, High Permeability |
| Winding | Copper Wire, Multi-Turn, Tight Tolerance Control |
| Signal Conversion | Unbalanced to Balanced, Balanced to Unbalanced |
| Frequency | Wideband / High Frequency |
| Balance | Amplitude and Phase Balance (0° / 180°) |
| Impedance | Custom Impedance Ratio |
| Electrical Testing | 100% Tested |
Summarized based on provided drawing documentation.
5.2 Structure and RF Performance
The core is a high-permeability ferrite double-hole type, with copper wire wound under tight tolerance control to ensure the two balanced output terminals track each other. The winding passes through both holes and terminates on folded metal tabs. This product is designed for wideband RF operation with low insertion loss and 0° / 180° balance characteristics.
Premium Ferrite Core and Copper Wire: High-Permeability Double-Hole Core, Tight-Tolerance Multi-Turn Winding
Terminal and Winding Details: Copper Winding Through Two Holes, Folded Metal Tabs
High-Frequency Low Loss: Wideband Performance, 0° / 180° Amplitude and Phase Balance, Low Insertion Loss
5.3 Customization and Supply
The impedance ratio can be customized as needed, packaging formats can be flexibly adjusted, and products are supplied directly from the factory.
Custom Winding and OEM / ODM Services: Custom Impedance Ratio, Flexible Packaging, Factory Direct Supply
5.4 Compliance Marks
| Mark | Status in Source Material |
|---|---|
| CCC | Shown on provided artwork |
| CE | Shown on provided artwork |
| RoHS | Shown on provided artwork |
| UL | Shown on provided artwork |
No certificate numbers or test reports were included in the source material; please attach relevant certificates before publication.
International Quality Standards and Compliance Marks: CCC, CE, RoHS, UL
5.5 Outline Drawing and Mounting
The drawings show a surface-mount outline with terminals numbered 1 to 3 on one side and 4 to 6 on the other. One drawing specifies a body width of 3.80 ± 0.20 mm, length of 4.20 ± 0.20 mm, height of 2.80 ± 0.20 mm, and terminal width of 0.76 ± 0.10 mm; another shows a 3.80 ± 0.20 mm square body with 1.27 mm pitch; a cross-section view indicates a maximum height of 3.0 mm. Discrepancies exist between the drawings, and none are marked with a model number, so the outline must be confirmed upon order.
Note: The outline drawings referenced above (top view / side view, recommended layout, and cross-section) are not included in the image set provided with this listing. Therefore, outline dimensions are not listed in the specifications column until the outline is confirmed.
6. Quality and Testing Assurance
Every product undergoes electrical testing before shipment and is ready for automated SMT assembly. Terminal configuration and outline are confirmed upon order.
100% Electrical Testing: High Stability and Consistency for Automated SMT Assembly
Products Under Test and Assembly Fixtures
SMD RF Balun Transformer | Ferrite Double-Hole Core | Wideband Surface-Mount. Impedance ratio, terminal configuration, and outline are confirmed upon order: please send your required impedance ratio, frequency band, quantity, and destination port to receive a quotation.
Specifications
| 阻抗 | 定制阻抗比 |
|---|---|
| 阻抗（2） | 定制阻抗比 |
| 平衡度 | 幅度和相位平衡（0° / 180°） |
| 频率 | 宽带/高频 |
| 信号转换 | 不平衡到平衡 / 平衡到不平衡 |
| 绕组 | 铜线，多绕组 |
| 磁芯 | 铁氧体，双孔，高磁导率 |
| 安装方式 | 表面贴装（SMD） |
| 品牌 | ZXYAUDIO |
| 认证 | CCC,CE,RoHS,UL |
| 产品类型 | SMD射频巴伦变压器 |
Only supplied parameters are shown. Please confirm any unlisted electrical performance, test conditions, tolerances and customization options with our engineers. The final specification sheet takes precedence.
Product Images & Drawings
View the available product images and drawings below. Click to open the original. Customized products are subject to the agreed specifications and drawings.
Downloads
No specification sheet has been uploaded for this model yet. Use the inquiry form below to request parameters, dimension drawings or sample information.
Selection & Customization Requirements
To help confirm a suitable model and specification, please provide:
- Your equipment, application, operating environment and temperature range.
- As applicable: inductance, turns ratio or impedance, operating frequency, voltage, current and insulation requirements.
- Size limits, mounting method, pin spacing, and any existing drawings or reference samples.
- Sample quantity, estimated order volume and desired delivery date.
Frequently Asked Questions
Common procurement questions about ZXYAUDIO SMD RF Balun Transformer - Wideband Surface-Mount Balun, Ferrite Double-Hole Core, Copper Wire Multi-Winding, Unbalanced to Balanced, for RF and Telecommunications.
What is ZXYAUDIO SMD RF Balun Transformer - Wideband Surface-Mount Balun, Ferrite Double-Hole Core, Copper Wire Multi-Winding, Unbalanced to Balanced, for RF and Telecommunications?
The SMD RF balun transformer is a wideband surface-mount balun built on a high-permeability ferrite double-hole core with a multi-winding copper wire structure. It converts unbalanced RF signals to balanced signals and vice versa, making it suitable for RF communication and telecommunications equipment requiring balanced feeding, low insertion loss, and port-to-port isolation.
Can ZXYAUDIO SMD RF Balun Transformer - Wideband Surface-Mount Balun, Ferrite Double-Hole Core, Copper Wire Multi-Winding, Unbalanced to Balanced, for RF and Telecommunications be customized to our specifications?
Yes. Shenzhen ZhiXiangyuan Electronics Co., Ltd. provides OEM/ODM services. Inductance, turns ratio, current rating, core material, size and terminal style can all be customized according to your drawings or samples.
What is the MOQ and lead time for ZXYAUDIO SMD RF Balun Transformer - Wideband Surface-Mount Balun, Ferrite Double-Hole Core, Copper Wire Multi-Winding, Unbalanced to Balanced, for RF and Telecommunications?
MOQ is negotiable based on the specific model and order quantity. Typical lead time is 1-3 weeks for standard items and 2-4 weeks for customized orders. Contact our sales team for an exact quotation.
Do you provide samples of ZXYAUDIO SMD RF Balun Transformer - Wideband Surface-Mount Balun, Ferrite Double-Hole Core, Copper Wire Multi-Winding, Unbalanced to Balanced, for RF and Telecommunications?
Yes, samples are available for evaluation before bulk orders. Please send us your requirements and shipping details to request samples.
Send Us a Message
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