TCD-18-122-75X+ is a surface mount directional coupler designed for 75Ω systems with a frequency range of 5 to 1250 MHz, offering a nominal coupling of 17.5 dB and a mainline loss of 1.0 dB typical. It operates over a temperature range of -40°C to +85°C and is housed in a DB1627 case with dimensions of 4.06 x 3.81 x 4.83 mm. The device includes external termination for the coupled port and features return loss greater than 14 dB across the band, with directivity exceeding 14 dB up to 1250 MHz.
17.5 dB SMT Directional Coupler, 5 - 1250 MHz, 75Ω
RF Directional Coupler CATV 5MHz ~ 1.25GHz 17.5 ± 0.8dB 1W 6-SMD, Flat Leads
RF Directional Coupler CATV 5MHz ~ 1.25GHz 17.5 ± 0.8dB 1W 6-SMD, Flat Leads
| Mini-Circuits | DigiKey | Quarktwin Technology Ltd. | |
|---|---|---|---|
| Product Category | RF Couplers | RF Couplers | RF Couplers |
| Product Number | TCD-18-122-75X+ | 3157-TCD-18-122-75X+TR-ND | TCD-18-122-75X+ |
| Product Name | 17.5 dB SMT Directional Coupler, 5 - 1250 MHz, 75Ω | RF Directional Coupler | RF Directional Coupler |
| RF Coupler Type | Uni-Directional | Uni-Directional | Uni-Directional |
| Package Type | Surface Mount | Surface Mount; 6-SMD, Flat Leads | |
| Impedance | 75 ohms | ||
| Frequency Range | 5.00 to 1250.00 MHz | 5.00 to 1250.00 MHz | 5.00 to 1250.00 MHz |
