Standard EMI Filter For Anechoic Chamber
Standard EMI Filter For Anechoic Chamber
EMI, EMC, Power Line Filter
Technical Data:
- Rated Voltage: 250/440VAC
- Rated Current: 16-800A
- Rated Frequency: DC/50/60Hz
- Test Voltage: 1200Vdc/2s
- Climatic Category: 25/085/21
Product Description
Our filters are specifically designed for electromagnetic compatibility (EMC) testing, meeting the rigorous requirements of anechoic chambers and shielding enclosures. They deliver outstanding conducted interference suppression performance, ensuring reliable operation in demanding EMC environments. The product lineup includes single-phase power line filters and three-phase four-wire power line filters, tailored for superior performance.
During EMC testing, even minor conducted noise on power lines can lead to inaccurate results or repeated test failures. Our filters solve this critical pain point by effectively eliminating unwanted EMI from the power source, ensuring that test environments remain stable, quiet, and compliant with strict EMC standards.
Compared to conventional solutions, our filters offer higher insertion loss, broader frequency coverage, and compact, fully shielded designs. Backed by years of expertise in EMI suppression and flexible customization options, Noordin provides not just a product—but a reliable, tested solution trusted by professionals.
Learn more in our latest blog:
“How Power Line Filters Improve Accuracy in EMC Testing Facilities“
Typical Applications
Our Standard EMI Filter is widely used in shielded rooms to reduce conducted noise and maintain a clean electromagnetic environment for sensitive equipment.
In anechoic chambers, antenna pattern testing chambers, and radar cross-section (RCS) testing chambers, the Standard EMI Filter ensures precise EMI suppression for accurate measurements.
The Standard EMI Filter is essential for EMC cabinets, preventing conducted interference and protecting internal electronics from EMI.
For RF shielded boxes, our Standard EMI Filter effectively blocks power line noise, maintaining the shielded enclosure’s integrity.
Our Standard EMI Filter supports stable and interference-free operation in electronic shelters by minimizing power line EMI.
In shielded tents, the Standard EMI Filter helps reduce EMI, ensuring reliable performance of deployed electronic systems.
Designed for sensitive medical environments like MRI rooms, the Standard EMI Filter eliminates power line disturbances to protect equipment accuracy and safety.
Product Features
- Compliance with Standards: Meets CISPR 16/25, IEC 61000-4-3, MIL-STD-461, EN 60939 and other stringent military and international standards.
- Low leakage and low voltage drop
- Easy Integration: Compact and easy to install, fitting various chamber structures.
- High common & differential mode insertion loss
Technical Data
| Rated Voltage | 250VAC/500VDC
250/440VAC |
Single-phase/DC
Three-phase |
| Rated Frequency | DC/50/60Hz | |
| Rated Current | Refer to product selection table | Ambient temperature of +40℃ |
| Number of lines | 2 or 4 | |
| Insertion Loss,
Per MIL-STD-220C |
＞100dB | Single-stage filter:
150kHz – 40GHz |
| DC Resistance | Refer to product selection table | Each Line |
| Power Dissipation | Refer to product selection table | At Rated Current |
| Test Voltage | 1200Vdc, 2s | Line/Line |
| 1200Vdc, 2s | Line/Ground | |
| Voltage Drop/line | ＜1% | Rated Voltage
250/440V@50/60Hz |
| I Leakage | Refer to product selection table | |
| Discharge Time to Below 34V | 30s | |
| Climatic Category (EN 60068-1) | 25/085/21 | -25℃~+85℃
21 days damp heat test |
- Discharging Resistance Integrated
A discharge resistor is integrated into the filter to safely dissipate stored capacitance after power is turned off.
| Type | Rated Current (A) | Rated Voltage (VAC/DC) | Number of lines | I Leakage (A) | DC resistance of each line (mΩ) | Power Dissipation (W) | Dimensional Drawing |
| GPF272A-16 | 16 | 250/500 | 2 | 0.7 | ＜25 | ＜10 | Fig 1 |
| GPF272A-32 | 32 | 250/500 | 2 | 1 | ＜20 | ＜20 | |
| GPF272A-63 | 63 | 250/500 | 2 | 1 | ＜3.0 | ＜25 | |
| GPF272A-100 | 100 | 250/500 | 2 | 1 | ＜5 | ＜50 | Fig 2 |
| GPF272A-150 | 150 | 250/500 | 2 | 1 | ＜2.5 | ＜50 | |
| GPF472A-16 | 16 | 250/440VAC | 4 | 0.7 | ＜25 | ＜30 | Fig 3 |
| GPF472A-32 | 32 | 250/440VAC | 4 | 1 | ＜20 | ＜60 | |
| GPF472A-63 | 63 | 250/440VAC | 4 | 1 | ＜3.0 | ＜75 | |
| GPF472A-100 | 100 | 250/440VAC | 4 | 1 | ＜5 | ＜150 | Fig 4 |
| GPF472A-150 | 150 | 250/440VAC | 4 | 1 | ＜2.5 | ＜150 | |
| GPF472A-200 | 200 | 250/440VAC | 4 | 1 | ＜1.5 | ＜200 |
Circuit Diagrams
Outline Drawing (mm)
| Type | A | B | C | D | E | F | G | H |
I
|
J
|
K
|
Dim. |
| GPF272A-16 | 500 | 250 | 100 | 300 | 275 | 200 | 90 | 60 | M24 | M6 | M6 | Fig 1 |
| GPF272A-32 | ||||||||||||
| GPF272A-63 | 500 | 250 | 100 | 300 | 275 | 200 | 90 | 60 | M33 | M6 | M6 | |
| GPF272A-100 | 700 | 160 | 140 | 200 | 180 | 220 | 70 | 60 | M45 | M8 | M8 | Fig 2 |
| GPF272A-150 | ||||||||||||
| GPF472A-16 | 500 | 250 | 100 | 300 | 275 | 200 | 90 | 60 | M33 | M6 | M6 | Fig 3 |
| GPF472A-32 | ||||||||||||
| GPF472A-63 | 500 | 250 | 100 | 300 | 275 | 200 | 90 | 60 | M6 | M6 | ||
| GPF472A-100 | 700 | 250 | 140 | 290 | 270 | 220 | 70 | 60 | M72 | M8 | M8 | Fig 4 |
| GPF472A-150 | ||||||||||||
| GPF472A-200 | M80 | M12 |
Insertion Loss
Frequency of 150kHz-40GHz, insertion loss over 100dB.
Factory and Production Line
Why choose us?
10+ years experience
With 10+ years experience in manufacturing power line filters, we bring deep industry knowledge to every product we create.
Wide Client Base
We are trusted by 1,000+ long-term customers, showcasing our ability to consistently meet and exceed client expectations.
Proven Quality
10,000+ positive feedbacks from satisfied clients attest to the quality and reliability of our products.
Customized Solutions
We offer tailored services to meet the specific needs of our customers, ensuring that every solution is perfect for your requirements.
Competitive Advantage
We prioritize innovation, offering products with excellent performance at a competitive price, ensuring the best value for your investment.
FAQs
Yes, we can provide customization services according to your requirements.
Yes, we offer sample services for testing. （What is the minimum order quantity for the product? Usually, we support a minimum order quantity of one. ）
Typically, our products are made of stainless steel, nickel-plated carbon steel, aluminum, or other specified materials. Additionally, we can accommodate special material requests.
Generally, we provide specific product dimension information on the product page. However, if you require custom dimensions, please contact us.
Yes, we provide global shipping. With convenient international freight services, we can deliver goods to wherever you need.
Typically, for small batch orders, we ship within 1-3 weeks upon receiving the prepayment.
Feel free to reach out to us by submitting an inquiry form or visiting our “Contact Us” page,and we will respond to you within 24 hours.
We accept various payment methods including T/T, letter of credit, and PayPal.
We offer tiered pricing, with more favorable prices for bulk orders.
Shipping times vary depending on the method chosen, but generally, goods are delivered within 7-30 days after dispatch.
We offer various shipping methods including by sea, air, truck, and railway.
For any product quality issues, we will respond within 24 hours and provide effective solutions.
Yes, we offer a comprehensive after-sales service, including a 2-year warranty on our products. You can rest assured after purchasing from us.
Yes, we have a professional technical team and our own EMC laboratory.
Yes, but we will review your qualifications to determine if you can become our distributor.
Yes, we accept OEM or ODM orders.
Contact us to get your quote!
Product Category
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- 24-hour online service
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Related Products
Single/Three-phase, 6-800A, 250(0-500VDC)/440VAC, DC/50/60Hz
Single/Three-phase, 16-200A, 115/200VAC, 400/800Hz
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