Products > Other Passive Components > EMI/RFI Components > EMI2121MTTAG
  • EMI2121MTTAG

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EMI Filter Common Mode 30dB 0.1A Flat Style

  • Package/Case :
  • QFN10
  • Product Categories :
  • EMI/RFI Components
  • RoHs Status:
  • Rohs
  • Marking Code:
  • C2x
  • In-stock:
  • 3000


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EMI2121MTTAG Product Details

The EMI2121MTTAG is an integrated common mode filter providing both ESD protection and EMI filtering for high speed serial digital interfaces such as USB2.0.The EMI2121MTTAG provides EMI filtering for one differential data line pair and ESD protection for one data pair plus a supply input such as USB2.0 Vbus or USB ID pin. It is supplied in a small RoHS compliant WDFN8 package.



  • Highly Integrated Common Mode Filter (CMF) with ESD Protectionprovides protection and EMI Reduction for systems using high speedSerial Data Lines with cost and space savings over Discrete Solutions
  • Integration of ESD and Filter function
  • Large Differential Mode Bandwidth with Cutoff Frequency > 2 GHz
  • Rejects cellular transmit frequencies
  • High Common Mode Stop Band Attenuation: >25 dB at 700 MHz,>30 dB at 800 MHz Typical
  • Rejects cellular transmit frequencies
  • Provides ESD Protection to IEC61000-4-2 Level 4, 12 kV Contact Discharge
  • High level ESD protection
  • Low Channel Input Capacitance Provides Superior Impedance Matching
  • Low capacitive loading


  • USB2.0 and other High Speed Differential Data Lines in Mobile Phones and Digital Still Cameras

Technical Parameters

  • Capacitance
  • 1.3 pF
  • Maximum DC Current
  • 100 mA
  • Maximum DC Resistance
  • 8 Ohms
  • Voltage Rating
  • 9 V
  • Termination Style
  • Operating Temperature Range
  • - 40 C to + 85 C
  • Case Height
  • 0.75 mm
  • Case Length
  • 2 mm
  • Case Width
  • 2.2 mm
  • Cutoff Frequency
  • 2 GHz
  • Dimensions
  • 2.2 mm W x 2 mm L x 0.75 mm H
  • Packaging
  • Reel
  • Product
  • Common Mode Filters

EMI2121MTTAG Documents

EMI2121MTTAG Related Products

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Shipping More
Estimated Delivery Time: Jun 20 - Jun 25 days (choose Expedited at checkout).

Shipping & Payment


  • Shipping Type
  • Ship Fee
  • Lead Time
  • $20.00-$40.00 (0.50 KG)
  • 2-5 days
  • $20.00-$40.00 (0.50 KG)
  • 3-7 days
  • $20.00-$45.00 (0.50 KG)
  • 2-5 days
  • $25.00-$65.00 (0.50 KG)
  • 2-5 days
  • $25.00-$45.00 (0.50 KG)
  • 5-14 days
  • $2.00-$3.00 (0.10 KG)
  • 7-30 days

Processing Time:Shipping fee depend on different zone and country.


  • Terms of payment
  • Hand Fee
  • Payment Site
  • charge US$30.00 banking fee.
  • charge 4.0% service fee.
  • charge 3.5% service fee.
  • charge US$0.00 banking fee.
  • charge US$0.00 banking fee.

We provide high quality products, thoughtful service and after sale guarantee

  • We have rich products, can meet your various needs.

    We have rich products, can meet your various needs.

  • Minimum order quantity starts from 1pcs.

    Minimum order quantity starts from 1pcs.

  • Lowest international shipping fee starts from US$2.00.

    Lowest international shipping fee starts from US$2.00.

  • 90 days quality guarantee for all products.

    90 days quality guarantee for all products.


  • Step1:Product

    Step1: Products

  • Step2:Vacuum packaging

    Step2: Vacuum Packaging

  • Step3:Anti-static bag

    Step3: Anti-Static Bag

  • Step4:Individual packaging

    Step4: Individual Packaging

  • Step5:Packaging boxes

    Step5: Packaging Boxes

  • Step6:bar-code shipping tag

    Step6: Bar-Code Shipping Tag

All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

Jotrin ESD packing


1.We provide 90 days warranty.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.


Q: How does Jotrin guarantee that EMI2121MTTAG is the original manufacturer or agent of ON?
We have a professional business development department to strictly test and verify the qualifications of ON original manufacturers and agents. All ON suppliers must pass the qualification review before they can publish their EMI2121MTTAG devices; we pay more attention to the channels and quality of EMI2121MTTAG products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of EMI2121MTTAG chips? Including ON original factory information, EMI/RFI Components application, EMI2121MTTAG pictures?
You can use Jotrin's intelligent search engine, or filter by Isolation & Protection Devices ; EMI Filters category, or find it through ON Semiconductor, LLC Information page.
Q: Are the ON's EMI2121MTTAG price and stock displayed on the platform accurate?
The ON's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for EMI2121MTTAG, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
Q: Can I place an order offline?
Yes. We accept offline orders.
We can provide order placement service. You only need to log in, click "My Orders" to enter the transaction management, and you will see the "Order Details" interface. After checking it, select all and click "Place Order". In addition, you can enjoy coupons or other selected gifts when placing orders online.
Q: What forms of payment can I use in Jotrin?
TT Bank, Paypal, Credit Card, Western Union, and Escrow is all acceptable.
Q: How is the shipping arranged and track my package?
Customers can choose industry-leading freight companies, including DHL, FedEx, UPS, TNT, and Registered Mail.
Once your order has been processed for shipment, our sales will send you an e-mail advising you of the shipping status and tracking number.
Note: It may take up to 24 hours before carriers will display tracking information. In normal conditions, Express delivery needs 3-5 days, Registered Mail needs 25-60 days.
Q: What is the process for returns or replacement of EMI2121MTTAG?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the EMI2121MTTAG we delivered, we will accept the replacement or return of the EMI2121MTTAG only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of EMI2121MTTAG.
(3)The EMI2121MTTAG is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
More details about return electronic components please see our Return & Change Policy.
Q: How to contact us and get support, such as EMI2121MTTAG datasheet pdf, EMI2121 pin diagram?
Need any After-Sales service, please feel free contact us:

ON Semiconductor, LLC

ON Semiconductor is a technology innovation enabler in energy-efficient electronics that enables design engineers to reduce global energy use. The company offers a comprehensive portfolio of energy efficient power and signal management, logic, discrete and custom solutions to help customers solve...
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