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Cx Family Common Mode Chokes
0402CT Low Profile Chip Inductors
XAL7050 High-inductance Shielded Power Inductors
XGL4020 Ultra-low DCR Power Inductors

RA6870-AL

Common Mode Choke

RoHS compliant AEC-Q flag
Our RA6870-AL common mode choke was developed for Microchip MOST150 Infotainment applications and is specified for the OS82150 MOST150 Coaxial Transceiver, OS81118 MOST150 INIC and OS81119 MOST150 Dual Port INIC. It eliminates virtually all common mode noise over a wide bandwidth.
  • Developed for Microchip MOST150 Infotainment applications
  • Specified for the OS82150 MOST150 Coaxial Transceiver, OS81118 MOST150 INIC and OS81119 MOST150 Dual Port INIC
  • Eliminates virtually all common mode noise
  • AEC-Q200 Grade 1 (−40°C to +125°C) 
Refer to Designing Common Mode Filters for design guidance.
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Specifications

Electrical specifications at 25°C.

Part number 1 Lines Common mode
peak impedance (kΩ)
Cutoff
frequency (MHz) 2
Inductance
min (nH) 3
Irms (mA) 4 DCR max (Ω) 5 Isolation
Voltage (Vrms) 6
RA6870-AL_ 2 1.94 @ 700 MHz 590 700 300 0.69 250
Notes
  1. When ordering, please specify packaging code: e.g. RA6870-ALC
  2. Frequency at which the differential mode attenuation equals 3 dB
  3. Inductance is for the primary, measured at 100 MHz.
  4. Current that causes a 40°C temperature rise from 25°C ambient. This information is for reference only and does not represent absolute maximum ratings.
  5. DCR is specified per winding.
  6. Isolation (hipot) measured for one minute.

Termination:

  • Matte tin over nickel over silver-palladium-glass frit.

Packaging:

  • C = 7" machine-ready reel
    EIA 481 embossed plastic tape (2000 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 D instead.
  • D = 13" machine-ready reel
    EIA 481 embossed plastic tape (7500 parts per full reel).
Environmental
Environmental:
RoHS compliant
Ambient temperature range:
–40°C to +125°C with Irms current
Storage temperature range:
Component: –40°C to +125°C.
Tape and reel packaging: –40°C to +80°C
Failures in Time (FIT) / Mean Time Between Failures (MTBF):
38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332

Performance curves

Attenuation (Ref: 50 Ohms)

Impedance vs Frequency

Schematics

0805usbs.gif

Physical characteristics

ra6870d.png
dims_inches_mm.gif

Tape and Reel specification

tapereel_pl.gif


 
Parts per reel Reel dimensions (mm) Tape dimensions (mm) Orientation
7" (178 mm) 13" (330 mm) A B C D E W P Po P1 H T part_or_i.gif
2000 7500* 178/330 60/100 13 14,4 8,4 8 4 4 2 1,14 0,23
*Special order

General specification

Core Material:
Ferrite

Soldering/Washing

Moisture Sensitivity Level (MSL):
1 (unlimited floor life at <30°C / 85% relative humidity)
Resistance to soldering heat:
Max three 40 second reflows at +260°C, parts cooled to room temperature between cycles
Refer to Soldering Coilcraft Components before soldering.
PCB Washing:
Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. More info.