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GUU Series SMD Common Mode Choke  Surface Mount EMI Filter Inductor
Common Mode Inductor

GUU Series SMD Common Mode Choke Surface Mount EMI Filter Inductor

Product Introduction

Characteristics of common mode inductor GUU product

1. Excellent EMI Suppression & Stable Performance
Adopting high-permeability core materials and precise winding technology, the inductors deliver outstanding common-mode noise filtering effect. They feature low temperature drift, consistent electrical parameters and strong anti-saturation capability, maintaining stable filtering performance even under high-current and high-temperature working conditions to ensure equipment EMC compliance.
2. Certified Reliability & Wide Compatibility
All products comply with RoHS, REACH environmental standards. Qualified with AEC-Q200 and IATF16949 automotive-grade certifications, the series covers SMD and through-hole specifications. It is fully compatible with mainstream industry standards, supporting direct pin-to-pin replacement of famous-brand products without circuit modification.
3. Flexible Customization & Fast Lead Time
Support full-dimensional customization including core size, wire diameter, turns, pin definition and voltage resistance grade. With streamlined production processes, we provide 3-5 days sample delivery and rapid mass production, greatly shortening customers’ project iteration cycle compared with the industry average


GUU Series

List of package dimensions for Common mode inductance GUU

TypeA MaxB MaxC MaxDEFG
GUU9.817.519.012.54+0.57+0.810+0.55.5+0.1
GUU10.519.522.517.54+0.510+0.513+0.57.0+0.1
GUU1623.529.620.04+0.610+0.614+0.57.0+0.1
*Regular parameters are used as reference only, wire diameter, and whether to add a magnetic can be customized according to customer specifications.

Common mode inductance package dimensions

Common mode inductance GUU coding system

Why Choose Gujing

Compatible Inductor Options

Explore compatible options for international-brand inductors. We review your reference specifications and application needs to identify suitable candidates for sample testing and cost evaluation.

One-Stop Technical Support

Work with our technical team from inductor selection through testing and application review. We help assess test issues and discuss adjustments to suit your circuit requirements.

Customization for Your Project

Choose standard inductors or discuss a customized design. Materials, dimensions and electrical specifications can be reviewed to balance your project's performance and cost requirements.

Frequently Asked Questions

Why source inductors from Gujing?
Gujing combines inductor manufacturing with technical communication, selection support and customization. Our team can review material and design options against your application requirements and target cost.
Can Gujing offer a compatible option for my current inductor?
Send us the complete reference part number and datasheet. We will review inductance, current ratings, DCR, dimensions and operating conditions to propose a candidate. Compatibility must be confirmed through specification review and sample testing in your application.
Do you accept OEM and custom inductor requests?
Yes. We accept OEM and customization requests alongside standard products. Share your drawing, target electrical specifications, available space and expected quantity so we can review feasibility and discuss a suitable design.
What support is available during testing and application?
Our technical team can help with selection, test-result review and application questions. Share your circuit requirements, operating conditions and observed issue so we can discuss possible material or design adjustments.
What should I send for a selection review or quotation?
Please provide your reference part number or datasheet, target inductance, operating current and frequency, size limits, application, expected quantity and target delivery date. Include any test results or special requirements to help us review the request.

Discuss Your Inductor Requirements

Send your specifications to request selection support, a sample evaluation plan or a quotation.

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