The D1911 is NPN Transistor - 2SD1911 made by Wing Shing Computer Components.
D1911 pinout

Brief overview of the content in a D1911 PDF file


2SD1911 GENERAL DESCRIPTION Silicon Diffused Power Transistor Highvoltage high speed switching npn transistors in a plastic envelope with integrated efficiency diode primarily for use in horizontal deflection circuites of colour television receivers QUICK REFERENCE DATA SYMBOL TO 3PFM CONDITIONS VBE 0V TYP VCESM VCEO IC ICM Ptot VCEsat Icsat VF tf PARAMETER Collector emitter voltage peak value Collector emitter voltage open base Collector current DC Collector current peak value Total power dissipation Collector emitter saturation voltage Collector saturation current Diode forward voltage Fall time Tmb 25 IC 4 0A IB 0 8A f 16KHz IF 4 5A ICsat 4 0A f 16KHz 4 5 1 6 MAX 1500 600 5 10 50 5 2 0 1 0 UNIT V V A A W V A V s LIMITING VALUES SYMBOL VCESM VCEO IC ICM IB IBM Ptot Tstg Tj PARAMETER Collector emitter voltage peak value Collector emitter voltage open base Collector current DC Collector current peak value Base current DC Base current peak value Total power dissipation Storage temperature Junction temperature CONDITIONS VBE 0V Tmb 25 MIN 65 MAX 1500 600 5 10 50 150 150 UNIT V V A A A A W ELECTRICAL CHARACTERISTICS SYMBOL ICE ICES VCEOsust VCEsat VBEsat hFE VF fT Cc ts tf PARAMETER Collector cut off current C


[ Comprehensive information ]


Characteristics of NPN Transistors

1. Bipolar Junction: NPN transistors are bipolar junction transistors (BJT), meaning they have a structure consisting of three regions of alternating P-type and N-type semiconductors.

2. Current Amplification: NPN transistors are designed to amplify electrical current, and can be used in a wide range of electronic applications such as amplifiers, switches, and oscillators.

3. Forward Biased: In order to operate, the base-emitter junction of an NPN transistor must be forward biased, meaning that the base must be connected to a positive voltage relative to the emitter.

4. High Input Impedance: NPN transistors have a high input impedance, which means that they are less likely to draw current from the input source, and are therefore less likely to cause a drop in voltage across the source.

5. Inverted Output: NPN transistors are known for producing an inverted output relative to their input.

Manufacturers : Wing Shing Computer Components

WSCC - D1911 Datasheet PDF

WSCC D1911 DATA

NPN Transistor - 2SD1911


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