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High Attenuation 20A 30A Single Phase RFI Filter EMI EMC Mains Filter

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High Attenuation 20A 30A Single Phase RFI Filter EMI EMC Mains Filter

Brand Name : YBX

Model Number : YB21D6-30A-S

Certification : cUL, TUV, CQC, CE, ROHS

Place of Origin : China

MOQ : Negotiable

Price : Negotiable

Payment Terms : T/T, L/C

Supply Ability : 10000 Piece/Pieces per Month Ac 220V General Purpose Noise Filter

Delivery Time : 20-25 days

Packaging Details : 56.5*28.5*22.5cm

Item : YB21D6-20A-Q

Rated current : 1A-30A

Case : hardware

Brand : YBX

Certificate : ISO9001 cUL TUV CQC CE ROHS

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High Attenuation 20A 30A Single Phase RFI Filter EMI EMC Mains Filter


20A 30A single-phase EMI, EMC Mains filter with high attenuation

Technical Specification:

ItemMains Filter
ModelMains Filter YB21D6-30A-S
Transfer FunctionLow Pass
Package TypeSurface Mount
Nominal Center Frequency10K-30MHZ
Insertion Loss60~90dB
Input Impedance50Ω
Rated Voltage115V/250V
Rated Current1~50A
Environmental Temperature40°C
Temperature Range25 / 085 / 21
Operating Frequency50/60HZ
Line to Line1450VDC
Line to Ground2250VDC
Maximum Leakage Current250VAC/60HZ 0.8mA Max
Lead Time3~4weekday



-- Designed 2 stage enhanced filtering to prevent the power supply may produce interference to the device

-- Various terminal options allow you to select

-- There are a variety of parts and combinations to meet different customer's EMC tests.

-- Customized products according to customer's requirements.


Typical Applications:

-- Electrical and electronic equipment

-- Medical equipment

-- Building automation

-- Office automation and datacom equipment


Rule of Nomination:


YB    21    D6    -    6A/10A/20A/30A    -     S/Q/W          (  5  )

          ¦       ¦                  ¦                                 ¦                   ¦

     circuit   case        current                    connection   Medical type


*Q: Fast-on 6.35x0.8mm             S: Screw lug            W: UL1015 18awg    

Electrical schematic:


Mechanical Dimension(Unit: mm)


Insertion loss table(In 50ohm system according IEC/CISPR No.17)

                                 Common mode                            -------- differential mode



Our Factory Pictures:

The exhibitions:

Office picture:

The certifications and patents:


Single Phase Filter:
Three Phase Filter:
Our service


Sample Fee: Negotiate

Sample Time: 3~5 days



---Payment terms: Paypal, D/P, T/T, L/C

---Please remember to leave the correct contact information for delivery.


Packaging and Shipping


Power Line Filter: CTN/32pcs

N/G W.: 13.12/15.48KG




---Shipping terms: DHL, UPS, FedEx, TNT, EMS

---Port is Shenzhen or as requests.



Q: What are the main products of your company?
A: IEC inlet socket EMI filter, single-phase mains filter, Three-phase RFI filter, house appliance noise filter, Medical equipment filter, inverter/converter EMC filter, etc.


Q: What is the function of your product EMC/EMI/noise filter?
A: The function of power line filters is to filter the electromagnetic interference, ensuring that your equipment is working properly without interference with each other


Q: How about the quality?
A: Our products belong of high quality with certificates UL, TUV, CE, ROHS, CQC approval. 


Q: How about the delivery?
A: We guarantee fast delivery, samples within 3days, small order within 15days, batch order within 20-25days


Q: What is the product warranty?
A: Free replacement within three-month, free maintenance within six-year, life-long maintenance.


Q: Do you supply OEM/ODM services?
A: Yes, we can do OEM/ODM only if you meet our MOQ request for OEM/ODM customers


Q: Can you custom products?
A: Yes, Our R&D team can custom product as your requirement.



Product Tags:

30A Single Phase RFI Filter


20A Single Phase RFI Filter


20A EMI EMC Filter

Wholesale High Attenuation 20A 30A Single Phase RFI Filter EMI EMC Mains Filter from china suppliers

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