CM1309 Common Mode Chokes

Bourns CM1309 Common Mode Chokes offer a nominal inductance range of 1mH to 8.7mH and a 0.7A to 2.8A current range. These chokes are designed to filter common mode noise in a wide range of commercial and industrial applications, including energy storage, enterprise computing, and green energy. The CM1309 chokes have a small footprint of 13mm x 9.2mm x 16mm. Bourns CM1309 Common Mode Chokes feature a high permeability ferrite core that results in self-resonant frequencies ranging from 390kHz to 1.6MHz, suitable for filtering high-frequency switching supplies with temperature ratings from -40°C to +125°C.

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Qty. RoHS ECAD Model Mounting Style
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Termination Style
Inductance
Tolerance
Maximum DC Current
Maximum DC Resistance
Self Resonant Frequency
Minimum Operating Temperature
Maximum Operating Temperature
Length
Width
Height
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Bourns Common Mode Chokes / Filters Common mode choke
Datasheet
5.759In Stock
Min.: 1
Mult.: 1

PCB Mount CM1311 Through Hole 2.4 mH - 35 %, + 50 % 2 A 50 mOhms 1.05 MHz - 40 C + 125 C 13 mm 9.2 mm 16 mm Tray Common Mode Chokes EMI Filter
Bourns Common Mode Chokes / Filters Common mode choke
Datasheet
4.695In Stock
Min.: 1
Mult.: 1

PCB Mount CM1309 Through Hole 8.7 mH - 35 %, + 50 % 700 mA 215 mOhms 390 kHz - 40 C + 125 C 13 mm 9.2 mm 16 mm Tray Common Mode Chokes EMI Filter
Bourns Common Mode Chokes / Filters Common mode choke
Datasheet
137In Stock
Min.: 1
Mult.: 1

PCB Mount CM1310 Through Hole 4.1 mH - 35 %, + 50 % 1.2 A 85 mOhms 660 kHz - 40 C + 125 C 13 mm 9.2 mm 16 mm Tray Common Mode Chokes EMI Filter
Bourns Common Mode Chokes / Filters Common mode choke
Datasheet
4.815Expected 10/12/2026
Min.: 1
Mult.: 1

PCB Mount CM1312 Through Hole 1 mH - 35 %, + 50 % 2.8 A 22 mOhms - 40 C + 125 C 13 mm 9.2 mm 16 mm Tray Common Mode Chokes EMI Filter