Overview
The ECMF4-40A100N10 is a highly integrated common mode filter designed by STMicroelectronics to suppress EMI/RFI common mode noise on high-speed differential serial buses. This component is particularly suited for applications involving high-speed interfaces such as HDMI 2.1, HDMI 2.0, HDMI 1.4, USB4, USB 3.2 Gen 2, USB 2.0, Ethernet, MIPI, and Display Port 2.0. It is packaged in an ultra-thin QFN-10 (Quad Flat No-leads 10-pin) package, ensuring minimal PCB space consumption and high integration of functionalities.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Differential Bandwidth | 10.7 GHz | |
| Common Mode Attenuation at 2.4 GHz | -15 dB | |
| Common Mode Attenuation at 5.0 GHz | -21 dB | |
| Common Mode Attenuation at 6.0 GHz | -17 dB | |
| Serial Resistance | 3.0 Ω | |
| Package Type | μQFN-10L | |
| Package Dimensions | 2.25 mm x 1.4 mm x 0.5 mm | |
| Operating Temperature Range | -55 °C to +125 °C | |
| Storage Temperature Range | -55 °C to +150 °C | |
| ESD Protection (Contact Discharge) | ±10 kV | |
| ESD Protection (Air Discharge) | ±25 kV |
Key Features
- High common mode attenuation on WLAN frequencies
- Low serial resistance of 3.0 Ω
- Very low PCB space consumption due to compact QFN-10 package
- Thin package with a maximum height of 0.5 mm
- High reduction of parasitic elements through integration
- Lead-free and RoHS compliant package
- Exceeds IEC 61000-4-2 level 4 standard for ESD protection
Applications
- Telecommunications: Routers, switches, and base stations to ensure signal integrity and protect against electrical transients.
- Consumer Electronics: Smartphones, tablets, laptops, and other portable devices to protect data lines such as USB and HDMI.
- Automotive: Vehicle infotainment systems and Advanced Driver Assistance Systems (ADAS) to filter out EMI and protect against ESD.
- Industrial Automation: Industrial controllers and sensors to safeguard against EMI and ESD.
- Computing and Data Storage: Network interfaces and storage devices in data centers and server farms to ensure data integrity and protection against electrostatic damage.
Q & A
- What is the primary function of the ECMF4-40A100N10? The primary function is to suppress EMI/RFI common mode noise on high-speed differential serial buses.
- What are the supported high-speed interfaces? It supports interfaces such as HDMI 2.1, HDMI 2.0, HDMI 1.4, USB4, USB 3.2 Gen 2, USB 2.0, Ethernet, MIPI, and Display Port 2.0.
- What is the package type and dimensions of the ECMF4-40A100N10? It is packaged in a μQFN-10L with dimensions of 2.25 mm x 1.4 mm x 0.5 mm.
- What is the operating temperature range of the ECMF4-40A100N10? The operating temperature range is -55 °C to +125 °C.
- Does the ECMF4-40A100N10 provide ESD protection? Yes, it exceeds IEC 61000-4-2 level 4 standard with ±10 kV contact discharge and ±25 kV air discharge protection.
- Is the ECMF4-40A100N10 RoHS compliant? Yes, it is lead-free and RoHS compliant.
- What are some common applications of the ECMF4-40A100N10? It is used in telecommunications, consumer electronics, automotive systems, industrial automation, and computing/data storage.
- How does the ECMF4-40A100N10 reduce parasitic elements? It achieves a high reduction of parasitic elements through integration.
- What is the common mode attenuation at 2.4 GHz, 5.0 GHz, and 6.0 GHz? The common mode attenuation is -15 dB at 2.4 GHz, -21 dB at 5.0 GHz, and -17 dB at 6.0 GHz.
- What is the serial resistance of the ECMF4-40A100N10? The serial resistance is 3.0 Ω.
