The BB146 is a variable capacitance diode produced by Philips Semiconductors. It features ultra high ratio, excellent matching performance and small size. It is used in electronic television tuners and frequency controlled oscillators.
The Philips BB146 is a UHF variable capacitance diode fabricated in planar technology and encapsulated in a very small plastic SOD323 package. It is designed for applications such as electronic tuning in television tuners with extended UHF ranges and voltage controlled oscillators (VCO). The device features an ultra-high capacitance ratio and excellent matching to 1.6% Direct Matching Assembly (DMA).
| Storage temperature | - 55 +150 °C |
|---|---|
| Operating junction temperature | - 55 +125 C |
| Diode series resistance | - 1.4 Ω |
| Diode capacitance (min) | 35 pF |
| Diode capacitance (max) | 43 pF |
| Capacitance ratio (min) | 17.5 |
| Capacitance matching | - 1.6 % |
The capacitance ranges from 1.7 pF to 2.1 pF at 1 MHz.