ECMF02-4CMX8

$0.43

Description：CMC 2LN SMD ESD
Series：ECMF
Mfr：STMicroelectronics
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:5209923ee397 Category: Common Mode Chokes Brand: STMicroelectronics

Consult the customer manager about the wholesale price.

consultation hotline：86-132-6715-2157

email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.

Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.

Product introduction

ECMF02-4CMX8 is listed in the Common Mode Chokes range at ChipApex. The manufacturer field lists STMicroelectronics. Its product description is CMC 2LN SMD ESD. Review the specifications below when checking this part for your BOM.

Common Mode Chokes specifications for ECMF02-4CMX8

Description：CMC 2LN SMD ESD
Series：ECMF
Mfr：STMicroelectronics
Package：Tape & Reel (TR),Cut Tape (CT)
Filter Type：Signal Line
Number of Lines：2
Current Rating (Max)：-
DC Resistance (DCR) (Max)：4Ohm
Voltage Rating - DC：-
Voltage Rating - AC：-
Operating Temperature：-40°C ~ 125°C
Ratings：-
Approval Agency：-
Features：TVS Diode ESD Protection
Mounting Type：Surface Mount
Size / Dimension：0.098" L x 0.047" W (2.50mm x 1.20mm)
Height (Max)：0.022" (0.55mm)
Package / Case：8-UFDFN
Inductance @ Frequency：-
Impedance @ Frequency：-

Common Mode Chokes datasheet and documents for ECMF02-4CMX8

ECMF02-4CMX8

Common Mode Chokes Overview

The ECMF02-4CMX8 is a 2-line common mode filter with integrated ESD protection designed for USB 2.0 interfaces. It features an 8-UFDFN package measuring 2.50mm x 1.20mm x 0.55mm maximum height. The device provides bidirectional ESD protection on data lines and specific protection for VBUS and ID pins. Key electrical parameters include a maximum DC resistance of 4 ohms, high bandwidth exceeding 6 GHz, and significant common mode attenuation at 900 MHz and 1.8 GHz. It supports IEC 61000-4-2 Level 4 standards with ±15 kV air discharge and ±8 kV contact discharge capabilities.

Common Mode Chokes Feature Summary

Integrated common mode filtering for D+ and D- differential pairs
Bidirectional ESD protection supporting audio over USB 2.0 applications
Dedicated protection for VBUS (16V) and ID pins against electrostatic discharge and electrical overstress

Common Mode Chokes Applications

USB 2.0 interface protection in mobile devices
Portable electronics requiring compact footprint solutions
Audio-over-USB peripheral connections

Common Mode Chokes Procurement Notes

Verify component status as the ECMF02-4CMX8 is listed as obsolete by STMicroelectronics. Confirm availability through authorized distributors or secondary markets if sourcing is required. Ensure replacement components meet identical pinout and electrical specifications to maintain design integrity.

Common Mode Chokes Selection Notes

Select this component for designs prioritizing ultra-compact board space and integrated signal conditioning. The low profile and optimized flow-through footprint make it suitable for dense PCB layouts. Verify compatibility with USB 2.0 signaling requirements and environmental operating temperatures ranging from -30°C to 85°C.

Common Mode Chokes Part Context

This part belongs to the ECMF series of integrated filters and protectors from STMicroelectronics. It combines passive filtering with active protection elements to simplify circuit design. The QFN-8L package offers a balance between thermal performance and spatial efficiency for surface-mount assembly processes.