npn transistor

npn transistor

[′en‚pē′en tran′zis·tər]
(electronics)
A junction transistor having a p-type base between an n-type emitter and an n-type collector; the emitter should then be negative with respect to the base, and the collector should be positive with respect to the base.
References in periodicals archive ?
Tenders are invited for npn transistor @2n4895-nd * deliver to septa: woodland shop attn: robert cheesman 215-580-6327 * needed to replace defective units on various electrical circuit boards in the electronics lab, 25 qty; tranceiver cn hi-spd 8 dip #mcp2551-i/p, 10 qty.
All CSLFC Ultrasonic Flow Meters have 4-20 mA output as standard with a second output available in the form of an optically isolated NPN transistor, configured at the factory.
The parasitic NPN transistor is formed by the N substrate (parasitic Collector), the P drift region (the Base), and the N well on the topside (the Emitter).
The Basic unit has one 4-20mA and one NPN transistor output, while the most advanced unit has two NPN/PNP transistor outputs and two 4-20mA outputs.
The unit is an NPN transistor manufactured using a new low-voltage planar technology.
The flow transmitters with 4-20 mA output are available in two versions: Basic (one NPN transistor output) and Advanced (two NPN/PNP transistor outputs).
Development of a 25 watt NPN transistor, housed in a plastic encapsulant eliminating the conventional metal semiconductor case, has resulted in a cost of less than 40 cents for each transistor in large quantities.
The UHZ ultrasonic series comes with an 18-30 V dc input supply range and PNP or NPN transistor outputs.
In the battery charger is used one P-channel MOSFET switching transistor driven by ATtiny15 via one bipolar NPN transistor.
TABLE I KEY SiGe RFIC PERFORMANCE PARAMETERS non-SIC SIC npn Transistor Transistor frequency [f.
Ideally, the circuit designer is instructed to make use of the fundamental NPN transistor whenever possible.
Integrating a 100V rated N-channel MOSFET with a pre-biased NPN transistor, this small footprint SOT26 packaged device will drive chains of up to 30 low-power, series-connected LEDs with currents from 20mA to 350mA.