BB147 is a high performance variable capacitance diode produced by Philips. It features ultra high ratio, excellent 2% DMA matching, very small plastic SMD package. The diode is widely used in electronic tuning television tuners with extended VHF range and voltage controlled oscillators (VCO).
The document is a product specification sheet for the Philips BB147, a discrete semiconductor device designed as a VHF variable capacitance diode. It is fabricated using planar technology and encapsulated in a small plastic SOD323 surface-mount package.
Key features highlighted include an ultra-high ratio (up to 40) and excellent matching performance of up to 2% for Direct Matching Assembly (DMA). The device is intended for applications such as electronic tuning in television tuners with extended VHF ranges and voltage-controlled oscillators (VCOs). This manual is written in Chinese.
| Continuous reverse voltage | - 30 V |
|---|---|
| Continuous forward current | - 20 mA |
| Storage temperature | -55+150 °C |
| Operating junction temperature | -55+125 °C |
| Capacitance ratio (typical) | 35 to 43 |
| Capacitance matching | - 2% |
The device is used for electronic tuning in television tuners with extended VHF range and voltage controlled oscillators (VCO).
The datasheet specifies a capacitance ratio between 35 and 43 at 1 MHz.
The limiting value for continuous reverse voltage is -30 V.