Common Mode Choke Cores

High-performance nanocrystalline CMC cores designed for EMI suppression in solar inverters, power electronics, and industrial equipment.

CMC Core Features

PBT Class B Casing

Durable black PBT casing with 0.7mm wall thickness

High Temperature

Operating range: -40°C to +130°C with ±10% stability

High Permeability

80k-90k μi for excellent EMI suppression

Low Core Loss

Max 30 W/kg @ 50kHz, 0.15T for efficiency

CMC Product Range

Complete range of common mode choke cores from 20mm to 40mm

CC-NC-CMC-001-20

CMC Toroidal Core 20×12×8mm

Standard CMC toroidal core with PBT Class B black casing

Bare Dimensions:20×12×8mm
Cased Dimensions:22.6×10.6×10mm
Key Spec:Min 80k μi, AL=>60
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CC-NC-CMC-002-25

CMC Toroidal Core 25×16×10mm

Standard CMC toroidal core with PBT Class B black casing

Bare Dimensions:25×16×10mm
Cased Dimensions:27.5×13.8×12.6mm
Key Spec:Min 80k μi, AL=>65
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CC-NC-CMC-003-30A

CMC Toroidal Core 30×18×10mm

Standard CMC toroidal core with PBT Class B black casing

Bare Dimensions:30×18×10mm
Cased Dimensions:33×16.4×13.2mm
Key Spec:Min 90k μi, AL=>59
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CC-NC-CMC-004-30B

CMC Toroidal Core 30×20×15mm

Standard CMC toroidal core with PBT Class B black casing

Bare Dimensions:30×20×15mm
Cased Dimensions:33.6×17.7×17.8mm
Key Spec:Min 90k μi, AL=>88
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CC-NC-CMC-005-40HIGH VOLUME

CMC Toroidal Core 40×25×15mm

High-volume solar inverter CMC core with PBT Class B black casing

Bare Dimensions:40×25×15mm
Cased Dimensions:44.2×21.6×18.9mm
Key Spec:Min 90k μi, AL=>100
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CC-NC-CMC-006-40L

CMC Toroidal Core 40×32×15mm

Standard CMC toroidal core with PBT Class B black casing

Bare Dimensions:40×32×15mm
Cased Dimensions:43×29×18.8mm
Key Spec:Min 90k μi, AL=>47
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Applications

Solar Inverters

EMI suppression in photovoltaic systems

Power Electronics

Switch-mode power supplies and converters

EMI Filters

Common mode noise suppression

Industrial Equipment

Motor drives and industrial automation

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