Datasheet

CMN12 Series

Hi-Rel Nanocrystalline Common Mode Choke

Vanguard Electronics’ CMN12 Series offers a high-reliability solution for filtering common mode noise in compact electronic designs. Built with a nanocrystalline core, these chokes deliver excellent thermal stability and high performance at elevated switching frequencies, making them especially suited for GaN power applications.

  • Wide inductance range (0.08–10.0 mH)
  • Current ratings up to 9.3 A
  • Moisture, Shock, and Immersion Resistant: Designed to withstand harsh environments.
  • Magnetically shielded and welded internal connections (no reflow risk)
  • Designed for compact, low-profile mounting – ideal for automatic placement
  • Custom Designs and Modifications: Available in various sizes and package types.

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Specifications

ImageNameGradeInductance (µH)DCR MAX (OHMS)Current MAX (A)PackageMountingHeight (inches)hf:tax:pa_common-inductance-µhhf:tax:pa_common-dcr-max-ohmshf:tax:pa_common-current-max-ahf:tax:pa_length-incheshf:tax:pa_width-incheshf:tax:pa_height-incheshf:tax:pa_package-sizehf:tax:pa_mounting-typehf:tax:pa_termination-finishhf:tax:pa_series
CMN12-105R
CMN12-105RCOTS+100000.1491.7SMT0.4100000-1491-70-70-70-4smtpure-tin-2cmn12
CMN12-105S
CMN12-105SCOTS+100000.1491.7SMT0.4100000-1491-70-70-70-4smttin-lead-2cmn12
CMN12-134R
CMN12-134RCOTS+13000.0215.5SMT0.413000-0215-50-70-70-4smtpure-tin-2cmn12
CMN12-134S
CMN12-134SCOTS+13000.0215.5SMT0.413000-0215-50-70-70-4smttin-lead-2cmn12
CMN12-204R
CMN12-204RCOTS+20000.0234.9SMT0.420000-0234-90-70-70-4smtpure-tin-2cmn12
CMN12-204S
CMN12-204SCOTS+20000.0234.9SMT0.420000-0234-90-70-70-4smttin-lead-2cmn12
CMN12-294R
CMN12-294RCOTS+29000.0324SMT0.429000-03240-70-70-4smtpure-tin-2cmn12
CMN12-294S
CMN12-294SCOTS+29000.0324SMT0.429000-03240-70-70-4smttin-lead-2cmn12
CMN12-323R
CMN12-323RCOTS+3200.0127.2SMT0.43200-0127-20-70-70-4smtpure-tin-2cmn12
CMN12-323S
CMN12-323SCOTS+3200.0127.2SMT0.43200-0127-20-70-70-4smttin-lead-2cmn12
CMN12-394R
CMN12-394RCOTS+39000.0423.3SMT0.439000-0423-30-70-70-4smtpure-tin-2cmn12
CMN12-394S
CMN12-394SCOTS+39000.0423.3SMT0.439000-0423-30-70-70-4smttin-lead-2cmn12
CMN12-514R
CMN12-514RCOTS+51000.0552.8SMT0.451000-0552-80-70-70-4smtpure-tin-2cmn12
CMN12-514S
CMN12-514SCOTS+51000.0552.8SMT0.451000-0552-80-70-70-4smttin-lead-2cmn12
CMN12-654R
CMN12-654RCOTS+65000.0762.3SMT0.465000-0762-30-70-70-4smtpure-tin-2cmn12
CMN12-654S
CMN12-654SCOTS+65000.0762.3SMT0.465000-0762-30-70-70-4smttin-lead-2cmn12
CMN12-723R
CMN12-723RCOTS+7200.0176.4SMT0.47200-0176-40-70-70-4smtpure-tin-2cmn12
CMN12-723S
CMN12-723SCOTS+7200.0176.4SMT0.47200-0176-40-70-70-4smttin-lead-2cmn12
CMN12-802R
CMN12-802RCOTS+800.0099.3SMT0.4800-0099-30-70-70-4smtpure-tin-2cmn12
CMN12-802S
CMN12-802SCOTS+800.0099.3SMT0.4800-0099-30-70-70-4smttin-lead-2cmn12
CMN12-804R
CMN12-804RCOTS+80000.1062SMT0.480000-10620-70-70-4smtpure-tin-2cmn12
CMN12-804S
CMN12-804SCOTS+80000.1062SMT0.480000-10620-70-70-4smttin-lead-2cmn12

Electrical Specifications

  • Operating Temperature: -55°C to +125°C
  • Storage Temperature: -60°C to +130°C
  • Temperature Rise: <30°C
  • Inductance: Measured at 10kHz, 0.10V
  • DCR: Measured at room ambient (25°C)
  • Dielectric Withstanding Voltage: 500 VRMS
  • Overload Current: 1.5 times rated current

Features

  • Compact, low profile, ideal for automatic placement
  • Terminations: HMP solder, Lead Free (RoHS)
  • Resistance to Soldering Heat: 265
  • Welded Internal Connections: no reflow risk
  • Moisture, Shock and Immersion Resistant
  • Magnetically Shielded
  • Ideally designed for GaN applications and higher switching frequencies
  • Designed with nanocrystalline core for superior thermal stability and higher frequency operations

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