Dongguan Chipsen Electronics Technology Co., Ltd.
| Rated Current | 1A / 2A / 3A / 5A (Customizable) |
| Inductance | 1mH - 50mH (Customizable) |
| Delivery Time | 3-4 Weeks |
| Core Material | Ferrite / Nanocrystalline / Mn-Zn |
| Payment Terms | T/T |
| Usage | EMI Filter / EMC Suppression |
| Winding | 100% Pure Copper Wire |
| Supply Ability | 10000000/Month |
| Core Type | Toroidal / Ring-type |
| Packaging Details | Carton 1: 25.5 X 21.5 X 21cm Carton 2: 43.5 x 24.5 x 21 cm |
| Certification | RoHS, REACH, UL recognized |
| Model Number | T22-Series / CMC-T22 |
| Place of Origin | China |
| Brand Name | Chipsen |
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Product Specification
| Rated Current | 1A / 2A / 3A / 5A (Customizable) | Inductance | 1mH - 50mH (Customizable) |
| Delivery Time | 3-4 Weeks | Core Material | Ferrite / Nanocrystalline / Mn-Zn |
| Payment Terms | T/T | Usage | EMI Filter / EMC Suppression |
| Winding | 100% Pure Copper Wire | Supply Ability | 10000000/Month |
| Core Type | Toroidal / Ring-type | Packaging Details | Carton 1: 25.5 X 21.5 X 21cm Carton 2: 43.5 x 24.5 x 21 cm |
| Certification | RoHS, REACH, UL recognized | Model Number | T22-Series / CMC-T22 |
| Place of Origin | China | Brand Name | Chipsen |
| High Light | High Frequency common mode inductor ，Toroidal common mode inductor ，LED Driver common mode choke toroid | ||
The T22 Common Mode Inductor is a high-precision magnetic filter designed to mitigate electromagnetic interference (EMI) and common-mode noise in power and signal lines. Utilizing a standardized T22 toroidal core (approximately 22mm outer diameter), this component is engineered to provide high impedance across a broad frequency spectrum. It serves as an essential barrier in AC/DC and DC/DC power conversion stages, ensuring that electronic systems comply with stringent global EMC standards such as CISPR and FCC.
| Parameter | Typical Value / Spec |
|---|---|
| Core size | T22 (Toroidal Ring) |
| Dimensions | Approx. OD 23.5mm x H 13.5mm (Incl. Base) |
| Mounting Type | Through-hole PCB Mount (Pin type) |
| Base Material | UL94-V0 Flame Retardant Plastic |
| Inductance Range | 1.0 mH - 50.0 mH (Customizable) |
| Inductance Tolerance | +50% / -30% (Standard for CMC) |
| Rated Current | 0.5 A - 6.0 A |
| Max DCR (Resistance) | 10 mOhm - 500 mOhm (Depends on Inductance) |
| Test Frequency | 10 KHz / 100 KHz / 0.1V |
| Hi-Pot (Isolation) | 1500V - 2500V AC / 1min |
| Core Material | Mn-Zn Ferrite / Nanocrystalline |
| Initial Permeability (ui) | 5000 - 100000 |
| Stray Leakage Inductance | < 1% - 3% of Nominal Inductance |
| Winding Wire | 2UEW / 3UEW High Temp Enameled Copper |
| Insulation Class | Class B (130°C) / Class F (155°C) |
| Operating Temp | -40°C to +125°C (Incl. Temp Rise) |
| Compliance | RoHS, REACH, UL recognized |
Answer: This is a critical design consideration. Mn-Zn Ferrite cores are cost-effective and perform well up to roughly 100°C, but their permeability drops significantly as they approach the Curie temperature. In contrast, Nanocrystalline cores in a T22 size offer significantly higher initial permeability and a much higher Curie temperature (typically >500°C). This allows the T22 inductor to maintain stable inductance and filtering performance even in high-ambient environments like LED drivers or enclosed industrial power modules, often allowing for a reduction in component size without sacrificing filtering efficacy.
Answer: Yes. While the primary function is common-mode suppression, every toroidal inductor has a small amount of stray leakage inductance (typically 1% to 3% of the common-mode inductance). This leakage inductance acts as a "bonus" differential-mode filter, which helps reduce ripple current and high-frequency differential noise. In T22 designs, we can intentionally adjust the winding gap or use specialized winding techniques to "tune" this leakage inductance, potentially eliminating the need for a separate differential-mode inductor and saving valuable PCB real estate.
Chipsen Electronics Technology Co., Ltd., established in 2000, is a specialized manufacturer of high frequency transformer, low frequency transformer, toroidal inductor, SMD power inductor, super high current inductor, choke coil and switch. Chipsen has got a good reputation in domestic and oversea markets which include North & South America, Europe and Southeast Asia.
Chipsen possesses a professional management team, as an ISO9001, ISO14001 & IATF16949 audited company, which always commits to producing environmental protection and qualified products. Our products are certified by UL Class B/Class F/Class H, CQC and RoHS, and obtained 21 patents. These achievements mainly come from our strong R&D team, providing various solutions for temperature decreasing, noise cancellation and coupled radiation conductivity.
Our products widely used in various fields of new energy, PV, UPS, Robotics, smart home, security systems, health care and communication.
Vision: To Be Global Transformer Brand Supplier
Mission: Create Values for Customers and Society, Grow with Customers and Staffs
Values: Customer First, Team Cooperation, Embrace Changes, Integrity, Creative & Happy
Company Details
Business Type:
Manufacturer
Year Established:
2007
Total Annual:
28820000-29820000
Employee Number:
400~450
Ecer Certification：
Verified Supplier
Chipsen Electronics - Supplier to Fortune Global 500 Companies Magnetic Components Engineered for Performance & Reliability Founded in 2007, Dongguan Chipsen Electronics Technology Co., Ltd. is a professional manufacturer specializing in magnetic components and micro switches. ... Chipsen Electronics - Supplier to Fortune Global 500 Companies Magnetic Components Engineered for Performance & Reliability Founded in 2007, Dongguan Chipsen Electronics Technology Co., Ltd. is a professional manufacturer specializing in magnetic components and micro switches. ...
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