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Diplex Filters for DOCSIS 1.0, 1.1, 2.0

  • Low- and high-pass in a single low-cost filter
  • Compliant with DOCSIS standards 1.0, 1.1 and 2.0
  • For 2-way broadcast applications like cable modems, set top boxes, HFC cable network equipment
  • DPX-B are shielded with integrated coaxial F connector
  • DPX-C are low profile SMT parts that reqire minimum board space

SPECIFICATIONS


Part number
Click to get parts
DOCSIS
standard
Low pass filter High pass filter Irms1
(mA)
 
Passband Insertion
loss
Return
loss
Passband Insertion
loss
Return
loss
DPX4254-B (TH) 1.0 5 – 42 MHz <1.0 dB >15 dB 54 – 860 MHz <1.5 dB >15 dB 500
DPX4254-C (SM) 1.0 5 – 42 MHz <1.5 dB >15 dB 54 – 860 MHz <1.5 dB >15 dB 150
DPX4288-B (TH) 1.1, 2.0 5 – 42 MHz <1.5 dB >10 dB 88 – 860 MHz <1.5 dB >10 dB 500
DPX4288-C(SM) 1.1, 2.0 5 – 42 MHz <1.5 dB >10 dB 88 – 860 MHz <1.5 dB >10 dB 150
1 Irms: Average current for a 40°C rise above 25°C ambient. Details
2 Operating temperature range −40°C to +85°C. Details
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: October 30, 2017