Siemens Manuals

This document describes the features and characteristics of the 1 BB 619 Silicon Variable Capacitance Diode from Dinghao Semiconductor Group, which is used for tuning extended frequency bands in VHF TV/VTR tuners.

BB 619C is a silicon variable capacitance diode from Dinghao. It is used for tuning of extended frequency band in VHF TV/VTR tuners.

BB 620 is a silicon variable capacitance diode

BB 620 is a silicon variable capacitance diode produced by Dinghao Semiconductor. It is suitable for Hyperband TV/VTR tuners. The maximum reverse voltage is 30V, the maximum forward current is 20mA, the operating temperature range is -55℃ to +125℃, the storage temperature range is -55℃ to +150℃, and the thermal resistance is ≤450K/W.

BB 639 is a variable capacitance diode from Dinghao. It is mainly used for tuning the extended frequency bands of VHF TV/VTR tuners.

This document describes the features and characteristics of BB 639C semiconductor, including silicon variable capacitance diode for tuning of extended frequency band in VHF TV / VTR tuners, maximum ratings, electrical characteristics, and temperature coefficient.

BB 640 is a product of Dinghao. It is a silicon variable capacitance diode. It is used for Hyperband TV/VTR tuners. Its maximum reverse voltage is 30V, maximum forward current is 20mA, working temperature range is -55~+150℃, storage temperature range is -55~+150℃, and thermal resistance is 450K/W.

BB 641 is a high performance silicon variable capacitance diode, suitable for VHF hyperband TV/TR tuners. The device features high capacitance ratio and low series resistance, enabling excellent tuning performance. The operating voltage range of BB 641 is 30 V and the operating current is 20 mA. The maximum reverse voltage is 35 V and the storage temperature range is -55°C to +150°C.

BB 641 is a variable capacitance diode produced by Dinghao Electronics. It is mainly used in VHF hyperband TV/TR tuners. This diode has the characteristics of high capacitance ratio and low series resistance.

The BB 644 is a silicon variable capacitance diode from Dihao. It is mainly used in VHF TV tuners. The product features high capacitance ratio, low series inductance, low series resistance and extremely small plastic SMD package.

BB 664 is a silicon variable capacitance diode from Dinghao Semiconductor Group. It is mainly used in VHF TV tuners. The product has the advantages of high capacitance ratio, low series inductance and low series resistance, making it very suitable for miniaturized applications.

BB 669 is a silicon tuning diode produced by Semiconductor Group. It features high capacitance ratio, low series resistance, and an extremely small plastic SMD package.