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CM1394 Series
IEEE1394 Common Mode Choke

  • Designed for IEEE1394 and other twisted pair interfaces
  • Common- and differential-mode filtering in a single device
  • Over 21 dB attenuation at 400 MHz
  • Less expensive than hand-wound toroid designs
  • Defense Supply Center CID A-A-59744
  • Refer to Designing Common Mode Filters for design guidance.
  • RoHS-compliant. 260°C compatible. Gold over nickel over moly-manganese terminations.

SPECIFICATIONS


Part number1
Click to get parts
Common mode
peak impedance
(kOhms)
Cutoff
frequency2
(GHz)
Common mode
attenuation typ (dB)
L3
min
(µH)
DCR4
max
(Ohms)
Irms5
(mA)
100 MHz 400 MHz 500 MHz
CM1394L_ 0.813 @ 660 MHz 1.2 11.1 21.1 22.7 0.22 0.105 1.5
1 When ordering, please specify packaging code: e.g. CM1394LC
  Packaging:

 

C = 7" machine-ready reel
EIA-481 embossed plastic tape (600 parts per full reel).
B = Less than full reel
In tape but not machine-ready. To have a leader and trailer added ($25 charge), use code letter C instead.
D = 13" reel, machine-ready 
EIA-481 embossed plastic tape. Factory order only, not stocked (2200 parts per full reel).
2 Frequency at which the differential mode attenuation equals 3 dB
3 Inductance measured at 100 MHz.
4 DCR is specified per winding at 25°C. For other operating temperatures, use this DCR at Temperature calculator.
5 Irms: Current per winding that causes a 20°C temperature rise from 25°C ambient. This information is for reference only and does not represent absolute maximum ratings.
6 Storage temperature range: Component: −40°C to +85°C
Tape and reel packaging: −40°C to +80°C
7 Resistance to soldering heat: Three reflows at >217°C for 90 seconds (+260°C ±5°C for 20 – 40 seconds), allowing parts to cool to room temperature between.
8 Electrical specifications at 25°C.
Refer to Soldering Coilcraft Components before soldering.
PCB washing: Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. More info

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Updated: April 11, 2017