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Video intercom system

Product description

Building visual intercom system set microelectronics technology, computer technology, communication technology, multimedia technology is one of the emerging intelligent security products, can realize network alarm control, between households and households of two-way intercom and networking door ban and other functions of tenants and the building visual intercom, indoor multipath。 Two of the crystal production of the transistor, the three terminal regulator IC and field effect tube and other components can be widely used in the system。

The main function of visual intercom system block diagram

 

 

 

Can be used with the following

Diode

Model

Performance description

Optional package shape

1N4007/M7

1A rectifier diode, reverse voltage 1000V

DO-41/SMA

1N4148

Switching diode

SOD-323/DO-34/LL-34

BAV99

Multi unit high speed switching diode

SOT-23

1SS355

100mA switching diode

SOD-323

BAT54

Schottky double diode

SOT-23

SS14

1A Schottky rectifier diode

SMA

Regulator diode

2。4V-75V full range

LL-34/SOD-323/SOD-123/SOT-23/SOT-323

General purpose transistor

Model

Performance description

Optional package shape

MMBT3904

NPN small power transistor, collector current 0.2A

SOT-23/TO-92

MMBT3906

PNP small power transistor, collector current 0.2A

SOT-23/TO-92

S8050/SS8050

NPN transistor, collector current
 0。5A/0。8A/1A/1。5A

SOT-23/TO-92

S8550/SS8550

PNP transistor, collector current 0。5A/0。8A/1A/1。5A

SOT-23/TO-92

 


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