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ZXYDU18 1+1:1+1 Permalloy Dual-Winding Audio Transformer
The 1+1:1+1 turns ratio provides excellent electrical isolation, effectively blocking ground loops and electromagnetic interference, ensuring pure, noise-free audio signals.
- 型号系列
- ZXYDU18 (1+1:1+1 Ratio)
- 型号系列（2）
- ZXYDU18 (1+1:1+1 Ratio)
- 尺寸
- 定制/微型元件尺寸
Phone:+86 13554723725
Email:rhea@zxycoil.com
Description
Product Parameters
| Parameter Item | Specification / Range |
| Product Model | ZXYDU18 Permalloy audio transformer |
| Turns Ratio / Winding Ratio | 1+1 : 1+1 dual-winding configuration |
| Core Material | High-permeability permalloy core |
| Operating Frequency | 20 Hz ~ 20 kHz (audio frequency band) |
| Dielectric Strength (Withstanding Voltage) | 1,500 VAC ~ 2,000 VAC |
| Insulation Resistance | ≥ 100 MΩ |
| DC Resistance (DCR) | Customizable as per requirements to minimize copper loss |
| Application Areas | Professional audio equipment, signal coupling, isolation, and impedance matching |
Product Details
Superior Signal Isolation
The 1+1:1+1 turns ratio provides excellent electrical isolation, effectively blocking ground loops and electromagnetic interference, ensuring pure, noise-free audio signals.
High-Fidelity Sound Transmission
The permalloy construction offers high permeability and low coercivity, minimizing signal distortion across the full 20Hz-20kHz frequency band for transparent, accurate audio reproduction.
Flexible Impedance Matching
Dual primary and secondary windings can be connected in series or parallel, providing versatile impedance matching options for a wide range of audio applications, from microphone preamplifiers to line-level interfaces.
Electromagnetic Interference Suppression
Effectively isolates audio equipment from electromagnetic interference, ensuring clean, clear signal transmission in professional environments.
Ground Loop Elimination
Provides electrical isolation to break ground loops, eliminating 50/60Hz AC hum commonly found in interconnected audio equipment.
Product Showcase
FAQ
1 What is the ZXYDU18 1+1:1+1 Permalloy Audio Transformer used for?
Answer: The ZXYDU18 is a high-performance dual-winding audio isolation transformer designed for impedance matching, signal isolation, and ground loop elimination in professional audio equipment. It is commonly used in recording studios, home theater systems, broadcast equipment, hi-fi audio systems, and DIY audio projects.
2 What does the "1+1:1+1" turns ratio mean?
Answer: The 1+1:1+1 turns ratio indicates dual primary and dual secondary windings. This configuration allows for flexible series or parallel connections, enabling a wide range of input and output impedance matching options. Depending on how the windings are connected, the transformer can be configured to meet various impedance requirements.
3 What makes the permalloy core material special for audio applications?
Answer: Permalloy is a nickel-iron alloy with extremely high magnetic permeability and low coercivity. Compared to standard iron cores, permalloy significantly reduces hysteresis and eddy current losses, resulting in extremely low-distortion audio signal transmission and high-fidelity sound quality.
4 What certifications does this transformer have?
Answer: The ZXYDU18 is manufactured to meet RoHS, ISO9001, and CE standards, ensuring environmental safety, quality control, and compliance with international market regulations.
5 What is the typical frequency response?
Answer: The ZXYDU18 provides a wide and flat frequency response over the entire audible spectrum (20 Hz to 20 kHz), ensuring accurate reproduction of both low-end bass and high-end treble without significant attenuation or distortion.
6 What is the operating temperature range?
Answer: The transformer is designed to operate reliably within a temperature range of -40°C to +60°C, making it suitable for demanding professional audio environments.
7 How does this transformer eliminate ground loop hum?
Answer: The transformer transmits signals through magnetic coupling rather than direct electrical connection, providing electrical isolation between input and output circuits. This breaks ground loops and effectively eliminates 50/60Hz AC hum that occurs when connected devices have different ground potentials.
8 What is the pin configuration?
Answer: The ZXYDU18 uses a 4+6 pin DIP package (10 pins total) with a square horizontal external structure, designed for standard through-hole PCB mounting.
Specifications
| 型号系列 | ZXYDU18 (1+1:1+1 Ratio) |
|---|---|
| 型号系列（2） | ZXYDU18 (1+1:1+1 Ratio) |
| 尺寸 | 定制/微型元件尺寸 |
| 产地 | 中国深圳 |
| 最小起订量 | 1000个 |
| 颜色 | 银色/金属屏蔽外壳 |
| 材料科学 | 高磁导率坡莫合金磁芯，漆包铜绕组 |
| 包装 | 定制防静电包装 |
| 交货时间 | 3-4周 |
| 引脚数量 | 4+6（共10个引脚） |
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 ZXYDU18 1+1:1+1 Permalloy Dual-Winding Audio Transformer.
What is ZXYDU18 1+1:1+1 Permalloy Dual-Winding Audio Transformer?
The 1+1:1+1 turns ratio provides excellent electrical isolation, effectively blocking ground loops and electromagnetic interference, ensuring pure, noise-free audio signals.
Can ZXYDU18 1+1:1+1 Permalloy Dual-Winding Audio Transformer 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 ZXYDU18 1+1:1+1 Permalloy Dual-Winding Audio Transformer?
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 ZXYDU18 1+1:1+1 Permalloy Dual-Winding Audio Transformer?
Yes, samples are available for evaluation before bulk orders. Please send us your requirements and shipping details to request samples.
What is the model number of this product?
The model number is ZXYDU18. Custom model numbers can be assigned for OEM orders.
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