EI19 High Frequency Transformer Sample Successfully Tested by Taiwan Customer
Customer Background
A customer from Taiwan recently contacted us regarding an EI19 high-frequency transformer for their electronic power supply project.
The customer required a customized transformer with specific electrical characteristics, reliable insulation performance, and a suitable winding configuration for their application.
After discussing the technical requirements, we prepared and shipped EI19 high-frequency transformer samples to Taiwan for evaluation.
Product Overview
Product Name: EI19 High Frequency Transformer
Core Type: EI19 Ferrite Core
Product Structure: PCB Pin Type with Lead Wires
Customization: OEM & ODM Available
Application: Switching Power Supplies and Electronic Power Conversion Equipment
Key Electrical Specifications
The EI19 transformer sample was designed according to the following electrical specifications:
| Parameter |
Specification |
| Primary Inductance (Pins 3–4) |
1.45 mH ±10% |
| Inductance Test Condition |
10 kHz / 1.0 V |
| Primary Winding |
86 Turns |
| Winding 1–2 |
12 ±0.5 Turns |
| Winding 10–9 |
15 ±0.5 Turns |
| Winding 9–8 |
15 ±0.5 Turns |
| Winding 7–6 |
8 ±0.5 Turns |
| Winding 6–5 |
8 ±0.5 Turns |
| White–Black Lead Wires |
15 ±0.5 Turns |
| Primary DC Resistance (3–4) |
2.68 Ω Max. |
| Primary-to-Secondary Hi-Pot |
1500 VAC, 5 mA, 2–3 Sec. |
| Winding-to-Core Hi-Pot |
1000 VAC, 5 mA, 2–3 Sec. |
| Insulation Resistance |
≥100 MΩ at DC 500 V |
These electrical specifications provide a technical reference for evaluating transformer suitability in customized power supply designs.
Sample Delivery and Customer Testing
After sample preparation, we shipped the EI19 high-frequency transformer samples to our customer in Taiwan for testing.
The customer conducted an evaluation of the samples and reported positive testing results.
The feedback indicated that the samples performed well during the customer's testing process.
This successful sample evaluation provided a positive foundation for further technical discussions and potential cooperation.
Our Customization Capabilities
We understand that different power supply projects require different transformer designs.
Our EI19 high-frequency transformers can be customized according to customer requirements, including:
-
Primary and secondary winding configurations
-
Inductance and turns ratio
-
Input and output electrical requirements
-
Insulation and dielectric withstand voltage
-
Lead wire length and pin arrangement
-
Mechanical dimensions and installation requirements
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OEM and ODM transformer development
We support sample development and technical communication to help customers evaluate suitable magnetic component solutions.
Customer Feedback and Project Outcome
The EI19 transformer samples were successfully delivered to Taiwan, and the customer reported satisfactory testing results.
This project demonstrates our ability to provide customized high-frequency transformer samples based on customer specifications and support international customer evaluations.
We look forward to further cooperation with customers requiring reliable and customized transformer solutions.
Looking for a Customized EI19 Transformer?
Whether you need a transformer for switching power supplies, industrial control equipment, or other electronic applications, we welcome your technical drawings and electrical requirements.
Contact us for EI19 transformer samples, technical specifications, and OEM/ODM quotations.
View EI19 High Frequency Transformer Product Details
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