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HDSL Transformers for
Brooktree BT8921

These products are not available in RoHS-compliant versions. Terminations contain lead. Contact Coilcraft for current status or possible alternatives.
  • Designed for transmission at 784 or 1168 kb/s
  • Low leakage inductance and THD
  • 1500 V line isolation
  • Low profile design, only 0.46" high

SPECIFICATIONS


Part number
Click to get parts
Data rate
(kb/s)
Turns ratio
chip:line
Primary
inductance
±15% (mH)
Leakage
inductance
max (µH)
DCR max (Ohms)1
Chip side Line side
HD6790 784 1CT : 1 : 1 3.0 20 2.2 (2-4) 2.2 (6-7, 8-9)
HD6791 1168 1CT : 1 : 1 2.0 20 2.2 (2-4) 2.2 (6-7, 8-9)
Part number
Click to get parts
DC bias
capacity
(mA)
Dielectric
strength
(V)
Return loss min (dB) Longitudinal
balance typ (dB)
THD typ (dB)
HD6790 80 1500 18 @ 40 – 200 kHz 68 @ 0 kHz 56 @ 196 kHz −74 @ 100 kHz
HD6791 80 1500 16.5 @ 400 – 320 kHz 75 @ 30 kHz 62 @ 292 kHz −74 @ 100 kHz
1 DCR measured at 25°C. For other operating temperatures, use this DCR at Temperature calculator.
2 Operating temperature range −40°C to +85°C
3 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