The DBTC-18-4-75X+ is a surface mount directional coupler designed for 75Ω applications from 5 to 1000 MHz with a nominal coupling of 18.2 dB. It features a top hat package (AT1667-1) measuring 3.81 x 3.81 x 4.06 mm, with solderable leads and an aqueous washable construction. Mainline loss ranges from 0.8 to 1.6 dB across the band, with coupling flatness of ±0.7 dB and directivity of 14 to 21 dB. VSWR is 1.3:1 maximum, and input power is rated at 1.0 W. It operates from -40°C to +85°C and is built with an LTCC base and all-welded construction.
18.2 dB SMT Directional Coupler, 5 - 1000 MHz, 75Ω
RF Directional Coupler General Purpose 5MHz ~ 1GHz 18.2 ± 0.5dB 1W 5-SMD Module
RF Directional Coupler General Purpose 5MHz ~ 1GHz 18.2 ± 0.5dB 1W 5-SMD Module
| Mini-Circuits | DigiKey | Quarktwin Technology Ltd. | |
|---|---|---|---|
| Product Category | RF Couplers | RF Couplers | RF Couplers |
| Product Number | DBTC-18-4-75X+ | 3157-DBTC-18-4-75X+TR-ND | DBTC-18-4-75X+ |
| Product Name | 18.2 dB SMT Directional Coupler, 5 - 1000 MHz, 75Ω | RF Directional Coupler | RF Directional Coupler |
| RF Coupler Type | Uni-Directional | Uni-Directional | Uni-Directional |
| Package Type | Surface Mount | Surface Mount; 5-SMD Module | |
| Impedance | 75 ohms | ||
| Frequency Range | 5.00 to 1000.00 MHz | 5.00 to 1000.00 MHz | 5.00 to 1000.00 MHz |