BB148 is a variable capacitance diode produced by Philips Semiconductors. It features excellent linearity and matching characteristics, making it ideal for applications such as electronic tuning and VCOs.
The document is a product specification sheet for the Philips BB148, a discrete semiconductor component designed as a VHF variable capacitance diode. It highlights features such as excellent linearity, very small plastic SMD packaging (SOD323), and low series resistance.
Key applications listed include electronic tuning in VHF television tuners up to 460 MHz and use in Voltage Controlled Oscillators (VCO). The datasheet details limiting values like a maximum continuous reverse voltage of 30V and operating junction temperatures from -55°C to +125°C.
| Continuous reverse voltage (Vr) | - 30 V |
|---|---|
| Storage temperature (Tstg) | -55 +150 [°C] |
| Operating junction temperature (Tj) | -55 +125 °C |
| Capacitance ratio (Cc) | 145 [-] |
The device uses a very small plastic SMD package, specifically SOD323.
Yes, it is designed for electronic tuning in VHF television tuners, band B up to 460 MHz.
The maximum operating junction temperature (Tj) is +125 °C.