7427520 Specifications
Manufacturer: Würth Elektronik
Part Number: 7427520
Product Type: Common mode choke / EMI filter
Series: WE-CMS
Filter Type: Power line common mode choke
Number of Lines: 2
Impedance: 30 Ω @ 100 MHz
Maximum DC Current: 17 A
Maximum DC Resistance (DCR): 3 mΩ
Voltage Rating – DC: 80 V
Mounting Type: Surface mount (SMT)
Package / Case: 4-SMD J-lead
Operating Temperature Range: -40 °C to +125 °C
Dimensions: 5.60 mm × 4.50 mm × 3.20 mm
Key Features
The 7427520 common mode choke provides EMI suppression for power and signal lines in surface mount applications. Additionally, the 2-line design supports balanced common mode noise filtering. Moreover, the high current rating enables use in power delivery circuits up to 17 A. Furthermore, low DC resistance helps minimize insertion loss and improve efficiency.
Applications
Power supply noise filtering
EMI/RFI suppression in power lines
Industrial control power systems
Embedded power management boards
Telecommunications power input filtering
Automotive electronics power conditioning
Consumer power electronics
High-current signal line noise suppression
Product Overview
The Würth Elektronik 7427520 is a compact 2-line common mode choke designed to reduce electromagnetic interference on power and signal lines. Specifically, it features a WE-CMS series construction with 30 Ω impedance measured at 100 MHz. As a result, high-frequency noise is effectively attenuated in demanding environments. Moreover, with a maximum DC current rating of 17 A, this choke supports robust power delivery applications without significant voltage drop. Therefore, system designers can improve overall signal integrity and compliance with EMI standards. In addition, the low DC resistance of only 3 mΩ helps preserve power efficiency while minimizing heat generation. Furthermore, the device’s surface mount construction and compact footprint streamline automated assembly and optimize board space. Because of this, the 7427520 fits well into compact power and control board designs. Overall, this choke delivers reliable EMI suppression and durable performance across a wide range of embedded and industrial applications.
Contact Us
For pricing, lead time, and technical assistance, Cyndtek is ready to help. Moreover, our team supports OEMs, CMs, and engineers with dependable component solutions. Please contact us today to discuss availability.
Email: Sales@Cyndtek.com
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