What is BC141?


This is NPN medium power transistors.

A NPN transistor is a type of bipolar junction transistor (BJT) that consists of two p-type semiconductor materials separated by a single n-type material.
The NPN transistor is used to amplify or switch electronic signals and is widely used in many electronic circuits. It works by controlling the current flow between the collector and emitter terminals through the base terminal.


[PDF] Complete Technical Details can be found in the BC141 datasheet provided at this page.

Summary in PDF File


DISCRETE SEMICONDUCTORS DATA SHEET M3D110 BC140 BC141 NPN medium power transistors Product speci cation Supersedes data of September 1994 File under Discrete Semiconductors SC04 1997 May 12 Philips Semiconductors Product speci cation NPN medium power transistors FEATURES High current max 1 A Low voltage max 60 V APPLICATIONS General purpose switching and amplification DESCRIPTION NPN medium power transistor in a TO 39 metal package PNP complements BC160 and BC161 3 BC140 BC141 PINNING PIN 1 2 3 emitter base collector connected to case DESCRIPTION 1 handbook halfpage 2 2 3 MAM317 1 Fig 1 Simplified outline TO 39 and symbol QUICK REFERENCE DATA SYMBOL VCBO PARAMETER collector base voltage BC140 BC141 VCEO collector emitter voltage BC140 BC141 ICM Ptot hFE peak collector current total power dissipation DC current gain BC140 10 BC141 10 BC140 16 BC141 16 fT transition frequency IC 50 mA VCE 10 V f 100 MHz Tcase 45 C IC 100 mA VCE 1 V 63 100 50 100 160 160 250 MHz open base 40 60 1 5 3 7 V V A W CONDITIONS open emitter 80 100 V V MIN TYP MAX UNIT 1997 May 12 2 Philips Semiconductors Product speci cation NPN medium power transistors

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[ Detailed Data ]


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 : Philipss

PHILIPSS - BC141 Datasheet PDF

PHILIPSS BC141 TRANSISTOR

NPN medium power transistors

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