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ADSL Transformers for
Broadcom ADSL CPE Modem Chipsets

  • Approved by Broadcom for use with BCM6335, BCM6338, BCM6345 and BCM6348
  • Split windings for chip transmit, chip receive and line side
  • 1875 Vrms isolation
  • Low DC resistance
  • Excellent total harmonic distortion
  • RoHS-compliant. 260°C compatible. Tin-silver over tin over nickel over phos bronze terminations

SPECIFICATIONS


Part number1
Click to get parts
ADSL
Annex
L ±5%2
(µH)
DCR max3
(Ohms)
Leakage
L max4
(µH)
Interwinding
capacitance5
(pF)
Turns ratio THD
typ6
(dB) 
chip tx : chip rx chip tx : line
B0726-EL_ A 400 0.815 (1-3) (2-4)
0.232 (5-7) (6-8)
0.813 (16-11) (14-9)
18.0 22.0 1 : 4.25 1 : 4.25 -95.0
C1350-AL_ B 100 0.815 (1-3) (2-4)
0.232 (5-7) (6-8)
0.831 (16-11) (14-9)
18.0 22.0 1 : 4.25 1 : 4.25 -93.0
1 When ordering, please specify packaging code: e.g. B0726-ELD
Packaging: D = 13" machine-ready reel
EIA 481 embossed plastic tape (200 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.
2 Inductance measured at 10 kHz, 0.1 Vrms, 0 Adc between pins 9 and 16 with pins 11 and 14 connected.
3 DCR measured at 25°C. For other operating temperatures, use this DCR at Temperature calculator.
4 Leakage inductance measured at 100 kHz, 0.1 Vrms between pins 9 and 16 with all other pins shorted.
5 Capacitance tested between pins 1 and 16 with all other pins shorted.
6 Total harmonic distortion measured at 30 kHz.
7 Ambient temperature range: −40°C to +85°C
8 Storage temperature range: Component: −40°C to +85°C
Tape and reel packaging: −40°C to +80°C
9 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.
10 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