How to Select a Power-Line Common-Mode Choke: Comparing Five VOOHU WHACM15A60R Options
Compare five WHACM15A60R power-line common-mode chokes by 100 MHz impedance, current rating, and DCR to build a practical shortlist.
TOPIC
Common Mode Chokes
Technical articles and news about Common Mode Chokes, newest first.
Common Mode Chokes
10 articles
How to choose between single channel and dual channel BMS isolation transformer? 600–1600V operating voltage, CMC and daisy chain break positioning
From the aspects of single/dual channel, 600–1600VDC operating voltage, isolation withstand voltage, CMC and chain break waveform, the selection and verificatio
How to choose USB 2.0 common mode inductor? Impedance, differential insertion loss and ESD layout verification
How to choose USB 2.0 common mode inductor? This article explains the difference between common mode impedance and 90Ω differential impedance, differential inse
VOOHU gigabit network transformer test and acceptance: VNA fixture, return loss and common mode suppression verification
Starting from the reference plane, mixed-mode port and fixture calibration, explain how to test the return loss, insertion loss and common mode characteristics
VOOHU Field Guide: Derating and Selecting LAN Transformers & Common-Mode Chokes for Industrial Ethernet Ports at -40 to +85 °C
Industrial port "fine cold, drops hot"? This article shows how temperature changes LAN-transformer OCL/DCR and choke impedance, with a -40 to +85 °C wide-temper
VOOHU actual combat: What do you think of the network transformer data manual? Interpretation of the five major parameters of OCL/insertion loss/return loss/common mode suppression/DCR and selection and pitfall avoidance
When choosing a network transformer, you only look at speed, packaging, and PoE current, but the prototype repeatedly overturns in negotiation, packet loss, rad
VOOHU Practical Combat: Rectification of Excessive Conducted Harassment (CE) at the DC Power Port of Network Equipment—Selection Guide for Power Line Common Mode Inductors and Integrated Inductors
The conduction disturbance (CE) at the power supply end exceeds the standard, but it doesn’t move even after adding a common mode inductor? VOOHU explains the c
VOOHU on Automotive Ethernet: Why 1000BASE-T1 Drops the LAN Transformer, and How to Choose the Common-Mode Choke
Why does Automotive Ethernet replace the LAN transformer with a common-mode choke? VOOHU explains the single-pair PHY and CISPR 25 EMC, the four CMC selection c
【Frequently Asked Questions】Placement of Common‑Mode Choke in Ethernet Transformers: Detailed Explanation for Non‑PoE and PoE Scenarios
In Ethernet hardware circuit design, the LAN Transformer is a core component that ensures signal transmission and provides electrical isolation. The isolation t
【Basic Product Introduction】Voohu Electronics' common mode inductors for signal lines and power lines create a dual EMC barrier for your equipment.
In today's world where electronic devices are becoming increasingly sophisticated and complex, electromagnetic compatibility (EMC) has emerged as a critical thr
Related topics
Need samples or selection support?
Tell us your interface, speed and package requirements. Our FAE team can suggest suitable parts and help check the design.
Phone+86 133 5804 1040
Scan with your phone to chat on WhatsAppMon–Fri 8:30–18:00 (UTC+8)Emailvoohu@voohuele.com
Scan with your phone to chat on WhatsAppMon–Fri 8:30–18:00 (UTC+8)Emailvoohu@voohuele.com
SUBSCRIBE
Subscribe to VOOHU technical articles
Get new articles in your inbox. Unsubscribe at any time.
You are subscribed
