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Diamond Rf Resistives®

Resistors, Terminations, and Attenuators

The highest power to size ratio resistive products utilizing CVD Diamond, the best thermal conductor available. Diamond by EMC Technology brand, is the best thermal conductor on earth.

Brochure Modelithics Models

Features & Benefits

Combined with a low dielectric constant, it is an excellent RF dielectric material for high-frequency applications in which thermal performance is equally critical. By applying cutting-edge thin film process and extensive millimeter wave design experience, Smiths Interconnect has created a high-performance line of resistive components. The resulting products, our Diamond Rf Resistives® resistors, terminations, and attenuators, are significantly reduced in size and unparalleled in average and peak power handling.

  • Frequency Range from DC to 26 GHz
  • Extreme High Power to Size Ratings
  • Small Size and Weight
  • Power Handling up to 150 Watts
  • CVD Diamond Substrates
  • Tuned Versions Available
  • Solderable or Bondable Gold Terminals
  • Integrated Heat Sink; Tab Launch
  • Surface Mount Available;
  • Tape and Reel Packaging Available
  • High Reliability Versions Available

Attenuator Data Sheets     Resistor Data Sheets     Termination Data Sheets

Termination Selector

Diamond RfTM Terminations
Terminations Configuration Power
(Watts)		 Size VSWR
Max		 Frequency
Max (GHz)
mm inches
CT0402D Chip 10 1.37 x 0.64 x 3.80 .045 x .025 x .015 1.6:1 26.5
CT0505D Chip 50 1.40 x 1.40 x .380 .055 x .055 x .015 1.6:1 20
CT0505DT Chip and Tab 50 1.40 x 1.40 x .380 .055 x .055 x .015 1.6:1 20
CT0505DTB Chip and Tab 50 1.40 x 1.40 x .380 .055 x .055 x .015 1.6:1 20
CT0505DHT Flange and Tab 50 12.70 x 5.08 x 2.03 .500 x .200 x .080 1.6:1 20
CT0603D Chip 50 1.65 x .890 x .380 .065 x .035 x .015 1.6:1 28
CT0603DW2 Chip 30 1.65 x .890 x .380 .065 x .035 x .015 1.6:1 18
CT1310D Chip 125 3.43 x 2.67 x .380 .135 x .105 x .015 1.6:1 14
CT1310DT Chip and Tab 125 3.43 x 2.67 x .380 .135 x .105 x .015 1.5:1 14
CT1310DHT Flange and Tab 125 12.70 x 5.08 x 2.54 .500 x .200 x .100 1.5:1 14
CT2010D Chip 300 5.21 x 2.67 x .380 .205 x .105 x .015 1.35:1 12.4

Resistor Selector

Diamond RfTM Resistors
Resistors Configuration Power
(Watts)		 Size VSWR
Max		 Frequency
Max (GHz)
mm inches
CR0402DX5 Chip 20 1.14 x 0.63 x .380 .045 x .025 .015 0.9 30
CR0402DX5W2 Chip SMT 1.5 1.14 x 0.64 x .380 .045 x .025 .015 0.1 18
CR05052DX5 Chip 50 1.40 x 1.40 x .380 .055 x .055 .015 0.1 18
CR05052DX5W2 Chip SMT 2.25 1.40 x 1.40 x .380 .055 x .055 .015 0.3 18
CR0505DX5TB Chip and Tab 50 1.40 x 1.40 x .380 .055 x .055 .015 0.1 18
CR0505DX5ET Chip and Tab 50 1.40 x 1.40 x .380 .055 x .055 .015 0.1 18
CR0603DX5 Chip 80 1.65 x .890 x .380 .065 x .035 x .015 0.19 18
CR0603DX5W2 Chip SMT 2 1.65 x .890 x .380 .065 x .035 x .015 0.2 18
CR1010DX5 Chip 125 2.67 x 2.67 x .380 .105 x .105 .015 0.8 18

Attenuator Selector

Diamond RfTM Attenuators
Attenuators Configuration Power
(Watts)		 Size VSWR
Max		 Frequency
Max (GHz)
mm inches
CA0505D Chip 20 1.40 x 1.40 x .380 .055 x .055 x .015 1.5:1 26.5
CA0505D XXT Chip and Tab 20 1.40 x 1.40 x .490 .055 x .055 x .019 1.5:1 26.5
CA0505D XXTB Chip and Tab 20 1.40 x 1.40 x 1.02 .055 x .055 x .040 1.5:1 18
CA0505D XXFT Flange and Tab 20 12.70 x 5.08 x 2.03 .500 x .200 x .080 1.4:1 18

Documents & Literature

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