ON Semiconductor BC846 series Small Signal Transistors

Features and Applications of BC846 series Small Signal Transistors

The purpose of this article is to briefly illustrate what is possible with small signal transistors and the features and applications of these transistors manufactured by ON Semiconductor under the BC846 series.

Applications

  • Pro audio, video & signage
Associated Products

Part NumberDescriptionStockRFQ
BC846BLT1GTRANS NPN 65V 0.1A SOT2360250RFQ
BC846BM3T5GON Semi BC846BM3T5G NPN Bipolar Transistor; 0.1 A; 65 V; 3-Pin SOT-72325RFQ
BC846BLT3GTRANS NPN 65V 0.1A SOT-236500RFQ
BC846BWT1GTRANS NPN 65V 0.1A SC-703733RFQ
BC846BTRANS NPN 65V 0.1A SOT-2342000RFQ
BC846BMTFTRANS NPN 65V 0.1A SOT2312000RFQ
Technical Documents

This is the 50th video in a series of lecture videos by Prof. Tony Chan Carusone, author of Microelectronic Circuits, 8th Edition, covering chapters 1 - 7 of the text: Devices and Basic Circuits. Find more resources at analogicdesign.com. In this video, we will talk about the small-signal modelling of PMOS and PNP transistors.

50 Small Signal Modeling of PMOS and pnp Transistors


BC846 is a part of the BC84x series of small signal transistors produced by several semiconductor manufacturers including NXP Semiconductors, ON Semiconductor, and Fairchild Semiconductor. It has a SOT-23 surface mount package, which is widely used in the electronics industry for its small size and low profile. The BC846 series has different hFE (current gain) values, which allows for more flexibility in circuit design and optimization. It has a maximum power dissipation of 350mW and an operating temperature range of -55°C to 150°C.

Features

The main features of BC846 series Small Signal Transistors may be summarized as follows:

1. Package Type: BC846 series transistors are available in various package types, including SOT23, SOT54, and SOT223.

2. Low Noise: These transistors have low noise performance and are suitable for use in low-noise amplifiers.

3. High Gain: BC846 series transistors have high gain, making them ideal for use in amplifiers and switching circuits.

4. Low VCE(sat): These transistors have low collector-emitter saturation voltage (VCE(sat)), which results in reduced power dissipation and higher efficiency.

5. Fast Switching Speed: BC846 series transistors have a fast switching speed, making them suitable for use in high-frequency applications.

6. High Voltage Rating: These transistors have a high voltage rating, which makes them suitable for use in high-voltage applications.

7. RoHS Compliant: The BC846 series transistors are RoHS compliant, meaning they do not contain any hazardous substances.

Applications

  • Signal amplifiers

  • Small signal switches

  • High-speed switching circuits

  • Video equipment

  • Mobile phones

  • MP3 players

  • Personal digital assistants

BC846 series Small Signal Transistors are versatile components that can be used in a wide range of electronic circuits, making them a popular choice among engineers and hobbyists alike.

 


Frequently Asked Questions

What is the maximum collector current of BC846?

The maximum collector current of BC846 is 100 mA.

What is the maximum collector-emitter voltage of BC846?

The maximum collector-emitter voltage of BC846 is 65 V.

What is the typical DC current gain of BC846?

The typical DC current gain of BC846 is 110-800.