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ZXYAUDIO EE25 Audio Microphone Isolation Transformer - High-Fidelity Signal Isolation & Impedance Matching, High-Permeability Laminated Core, Color-Coded Leads, CE RoHS ISO 9001 UL
The EE25 audio microphone isolation transformer is a passive lead-type audio transformer featuring a high-permeability laminated core. It provides high-fidelity signal isolation and impedance matching between microphone capsules, audio circuits, and downstream equipment, with customizable impedance, turns ratio, and lead length available upon request.
- 型号
- EE25
- 型号（2）
- EE25
- UL档案
- E498875
Phone:+86 13554723725
Email:rhea@zxycoil.com
Description
1. Product Overview
The EE25 audio microphone isolation transformer is a passive, lead-type audio transformer constructed with a high-permeability laminated core. It delivers high-fidelity signal isolation and impedance matching between microphone capsules, audio circuits, and downstream equipment, with custom impedance, turns ratio, and lead length available per customer requirements.
EE25 Audio Microphone Isolation Transformer: High-Fidelity Signal Isolation and Impedance Matching
2. Key Features
| Feature | Description |
|---|---|
| Signal Isolation & Impedance Matching | High-fidelity isolation between input and output circuits; matches source and load impedance to ensure signal integrity. |
| Low Distortion | High-fidelity coupling maintains low distortion across the entire operating signal range. |
| Low Noise & Magnetic Shielding | Shields the audio path from external electromagnetic interference in densely populated assemblies. |
| High-Permeability Laminated Core | Precision-stamped silicon steel/nickel-iron laminations stacked in multiple layers. |
| Tight Multi-Layer Copper Windings | Consistent winding geometry ensures repeatable electrical characteristics. |
| Flexible Lead Length | Color-coded flying leads supplied at customer-specified lengths for direct assembly. |
| 100% Tested | Every unit undergoes electrical and acoustic testing before shipment (QC passed). |
High-Permeability Laminated Core: Precision-Stamped Silicon Steel/Nickel-Iron, Tight Multi-Layer Copper Windings
Impedance Matching and Low Distortion: High-Fidelity Signal Coupling, Low Noise and Magnetic Shielding
3. Advantages
| Advantage | Value |
|---|---|
| Custom Impedance & Turns Ratio | Electrical performance tailored to the target circuit, not limited to catalog standard values. |
| High Stability & Consistency | Controlled lamination and winding processes ensure uniform characteristics across batches. |
| Superior Audio Performance | Clean, stable transmission of voice and music signals. |
| Factory Direct | Custom products are manufactured and tested in-house, coordinating customization with volume supply. |
| Certified Quality | CE, RoHS, ISO 9001:2015, and UL Recognized Component certifications support export and approvals. |
Custom Manufacturing: Custom Impedance and Turns Ratio, Flexible Lead Length, Factory Direct
4. Application Areas
| Application | Function |
|---|---|
| Professional Audio Recording | Recording studios rely on these transformers for high-fidelity pickup: impedance matching and signal transformation preserve every detail, from the rich tone of orchestral instruments to subtle nuances in vocal performances. |
| Communication Equipment | In two-way radios and VoIP headsets, they amplify weak microphone signals and isolate the signal path from electrical interference, ensuring clear voice communication in noisy industrial environments while keeping online meetings natural-sounding. |
| Consumer Electronics | In smartphones and portable recorders, they enhance built-in microphone performance for calls, voice assistants, and voice-to-text, while supporting high-quality recording of personal notes, interviews, and ambient sound. |
| Broadcast & Television | In broadcast studios and TV production sets, they reduce external electromagnetic interference and amplify microphone signals, ensuring clean and stable audio output for broadcast and television programs. |
| Security Surveillance | In audio-equipped security cameras, they capture sound clearly while filtering out ambient noise, adding an audio dimension for security personnel to assess unusual situations. |
Wide Audio Application Areas: Professional Audio Recording, Broadcast & Television, VoIP & Two-Way Radios, Security Audio Surveillance
Typical Integration in Professional Audio Equipment, Wired to a Mixing Console
5. Specifications
| Parameter | Specification |
|---|---|
| Transformer Type | Passive audio isolation/microphone transformer, lead-type |
| Impedance & Turns Ratio | Customized per customer requirements (impedance matching) |
| Signal Performance | High-fidelity signal coupling; low distortion |
| Noise & Shielding | Low noise; magnetic shielding |
| Core | High-permeability laminated core: precision-stamped silicon steel/nickel-iron, multi-layer stacked |
| Winding | Tight multi-layer copper wire winding |
| Terminals | Color-coded leads (8 leads per outline drawing); flexible lead length |
| Outline Dimensions | Per outline drawing: tape width, core width, core height, core stack thickness |
| Testing | 100% electrical and acoustic testing; QC passed |
| Compliance & Certifications | CE marking; RoHS compliant; ISO 9001:2015; UL Recognized Component (UL File No. E498875) |
Note: Impedance, turns ratio, and lead length are customized per application; outline dimensions are per customer-approved drawings.
Outline Drawing: Top View, Front View, and Side View, with 3D Isometric View
Note: The outline drawing defines the tape width, core width, core height, and core stack thickness required for approved production; dimensional values are not marked on the provided drawing, so body dimensions are not listed here.
6. Quality & Testing Assurance
Every EE25 unit undergoes 100% electrical and acoustic testing before packaging. Production operates under an ISO 9001:2015 certified quality management system. Products carry the CE mark, comply with the RoHS hazardous substance directive, and are manufactured as UL Recognized Components (UL File No. E498875), providing safe, reliable performance and consistent certified quality.
| Standard/Mark | Status |
|---|---|
| CE Mark | European Conformity |
| RoHS | Compliant — Restriction of Hazardous Substances |
| ISO 9001:2015 | Quality Management System |
| UL | Recognized Component — UL File No. E498875 |
| Testing | 100% electrical and acoustic testing |
100% Electrical and Acoustic Testing: High Stability and Consistency, QC Passed
International Quality Standards and Compliance: CE, RoHS, ISO 9001:2015, UL Recognized Component
Model: EE25 | Passive Audio Microphone Isolation Transformer | CE / RoHS / ISO 9001:2015 / UL File No. E498875. Impedance, turns ratio, lead length, and outline are customized per application: please provide the required impedance, turns ratio, lead length, quantity, and destination port to receive a quotation.
Specifications
| 型号 | EE25 |
|---|---|
| 型号（2） | EE25 |
| UL档案 | E498875 |
| 阻抗与匝数比 | 按客户要求定制 |
| 绕组 | 紧密多层铜绕组 |
| 磁芯 | 高磁导率叠片磁芯（硅钢/镍钢） |
| 端接 | 彩色编码引线 |
| 品牌 | ZXYAUDIO |
| 认证 | CE,RoHS,ISO 9001 |
| 产品类型 | 音频麦克风隔离变压器 |
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 EE25 Audio Microphone Isolation Transformer - High-Fidelity Signal Isolation & Impedance Matching, High-Permeability Laminated Core, Color-Coded Leads, CE RoHS ISO 9001 UL.
What is ZXYAUDIO EE25 Audio Microphone Isolation Transformer - High-Fidelity Signal Isolation & Impedance Matching, High-Permeability Laminated Core, Color-Coded Leads, CE RoHS ISO 9001 UL?
The EE25 audio microphone isolation transformer is a passive lead-type audio transformer featuring a high-permeability laminated core. It provides high-fidelity signal isolation and impedance matching between microphone capsules, audio circuits, and downstream equipment, with customizable impedance, turns ratio, and lead length available upon request.
Can ZXYAUDIO EE25 Audio Microphone Isolation Transformer - High-Fidelity Signal Isolation & Impedance Matching, High-Permeability Laminated Core, Color-Coded Leads, CE RoHS ISO 9001 UL 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 EE25 Audio Microphone Isolation Transformer - High-Fidelity Signal Isolation & Impedance Matching, High-Permeability Laminated Core, Color-Coded Leads, CE RoHS ISO 9001 UL?
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 EE25 Audio Microphone Isolation Transformer - High-Fidelity Signal Isolation & Impedance Matching, High-Permeability Laminated Core, Color-Coded Leads, CE RoHS ISO 9001 UL?
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 EE25. Custom model numbers can be assigned for OEM orders.
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