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ADSL2 Transformer
for Broadcom BCM6348

  • Designed specifically for use with Broadcom BCM6348 Router Chip
  • Meets UL 60950 under a Supplementary Insulation System with a working voltage of 250 Vrms, 353.5 V peak
  • Compact, industry-standard size
  • –80 dB Total harmonic distortion maximum
  • 1875 V primary to secondary isolation
  • RoHS-compliant. 260°C compatible. Tin-silver over tin over nickel over phos bronze terminations
  • COTS Plus tin-silver-copper and tin-lead terminations available

SPECIFICATIONS


Part number1
Click to get parts
Turns ratio
line : chip
Line side
inductance2
max (µH)
Leakage
inductance3
max (µH)
Capacitance4
max (pF)
DCR max (Ohms)5 Longitudinal
balance min
(dB)
line side chip side
B0727-BL_ 2 : 1 409.5 6.5 65.0 0.645 (1-4)
0.645 (2-5)
0.284 (10-7)
0.371 (9-6)
50.1
at 1.1 MHz
1 When ordering, please specify termination and packaging codes: e.g. B0727-BLD
  Termination: L = RoHS compliant tin-silver over tin over nickel over phos bronze.
Special order, added cost: T = RoHS tin-silver-copper (95.5/4/0.5) or
S = non-RoHS tin-lead (63/37).
  Packaging: D = 13" machine-ready reel
EIA 481 embossed plastic tape (175 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 with windings connected in series.
3 Leakage inductance measured at 100 kHz, 0.1 Vrms, 0 Adc from pins 1 to 5 with all other pins shorted.
4 Capacitance measured at 100 kHz, 0.1 Vrms, 0 Adc from chip side to line side..
5 DCR measured at 25°C. For other operating temperatures, use this DCR at Temperature calculator.
6 Ambient temperature range: −40°C to +85°C
7 Storage temperature range: Component: −40°C to +85°C
Tape and reel packaging: −40°C to +80°C
8 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.
9 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