The TC4-19X+ is a surface-mount RF transformer with a 1:4 impedance ratio, designed for 50Ω systems across 10 to 1900 MHz. It features a balanced transmission line with a secondary center tap and is housed in an AT1521 case measuring 3.81 × 3.81 × 4.06 mm. The device supports an operating temperature range of -20°C to +85°C, with a maximum RF power of 0.25 W and DC current of 30 mA. Insertion loss is 1.0 dB typical at mid-band, with amplitude unbalance up to 1.2 dB and phase unbalance up to 11 degrees across the band. Weight is 0.15 grams.
1:4 CORE & WIRE Transformer, 10 - 1900 MHz, 50Ω
RF Balun 10MHz ~ 1.9GHz 1:4 5-SMD Module
| Mini-Circuits | DigiKey | |
|---|---|---|
| Product Category | Transformers | Transformers |
| Product Number | TC4-19X+ | 3157-TC4-19X+TR-ND |
| Product Name | 1:4 CORE & WIRE Transformer, 10 - 1900 MHz, 50Ω | Balun |
| Category | Signal | Signal |
| Other Transformer Types / Applications | RF | Balun |
| Winding Turns | Step-Up Transformer |