Transistor

2SB861 Datasheet PDF – 150V, 2A, Silicon PNP Transistor

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What is 2SB861?

This is a PNP bipolar junction transistor (BJT) designed for general-purpose amplifier and switching applications.

Part Number: 2SB861

Function: -150V, -2A, Silicon Power PNP Tranistor

Package: TO-220AB Type

Manufacturer: Hitachi,  Renesas Electronics

Image and Pinouts:
2SB861 datasheet

This transistor has three pins: emitter, base, and collector.

Description

The 2SB861 is Silicon PNP Triple Diffused Transistor. It is commonly used in audio amplifier circuits, voltage regulators, and switching circuits. It can also be used in other general-purpose applications where a PNP transistor is required.

The operation of a PNP transistor is based on the biasing of its three layers: the emitter, base, and collector. The emitter is connected to the positive power supply, the base is the control terminal, and the collector is connected to the load or circuit.

When a small current flows into the base terminal, it controls a larger current flowing between the emitter and collector. The transistor amplifies the input signal and can be used to switch larger currents on and off in various electronic circuits.

Silicon PNP transistors offer advantages such as high gain, low noise, and good thermal stability. They are widely used in many applications, including audio amplifiers, power supplies, voltage regulators, and digital logic circuits.

 

Advantages Vs Disadvantages

Advantages:

1. High voltage and current handling capabilities

2. Low saturation voltage, which reduces power dissipation and improves efficiency in switching applications

Disadvantages:

1. Limited maximum current rating, which makes it unsuitable for high power applications

2. Relatively low maximum frequency rating, which makes it unsuitable for high-speed applications

3. Limited gain bandwidth product, which limits its use in high-frequency amplification circuits

Absolute maximum ratings ( Ta=25°C )

1. Collector to Base Voltage: Vcbo = -200 V
2. Collector to Emitter Voltage: Vceo = -150 V
3. Emitter to Base Voltage: Vebo = -6 V
4. Collector Current: Ic = -2 A
5. Total Dissipation : Pc =1.8 W
6. Junction Temperature: Tj = 150°C
7. Storage Temperature: Tsg = -55 ~ +150°C

Applications:

1. Low frequency power amplifier color TV vertical deflection output complementary pair with 2SD1138

Related Posts

Other data sheets are available within the file: B861

2SB861 Datasheet PDF Download


2SB861 pdf

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2SC1815 Datasheet PDF – SOT-23, 50V, 150mA, NPN Transistor

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What is 2SC1815?

This is a commonly used NPN transistor that is used in a wide range of electronic circuits. It has a maximum collector current of 150mA and a maximum collector-emitter voltage of 50V.

Part Number: 2SC1815

Marking Code : HF

Function: Silicon Epitaxial Planar Transistor

Package: SOT-23

Manufacturer: Galaxy Microelectronics

Image and Pinouts:

2SC1815 datasheet

Features :

1. High voltage and high current  VCEO=50V(Min), IC=150mA(Max)

2. Excellent hFE linearity : hFE(2)=100 (Typ) at VCE=6V,IC=150mA
hFE(IC=0.1mA) / hFE(IC=2mA=0.95(Typ))

3. Low noise.

4. Complementary to 2SA1015.

 

Advantages  Vs Disadvantages

Advantages:

1. High current gain, which allows for amplification of small signals
2. Low noise, which makes it suitable for use in audio circuits
3. Low voltage drop, which results in less power dissipation and higher efficiency
4. High frequency response, which makes it suitable for use in high-frequency circuits
5. Small size, which allows for compact circuit designs

Disadvantages:

1. Low maximum collector current, which restricts its use in high-power applications
2. Low maximum collector-emitter voltage, which restricts its use in high-voltage applications
3. Limited temperature range, which can be a concern in some applications

 

Maximum Ratings

1. Collector-Base Voltage : VCBO = 60 V
2. Collector-Emitter Voltage : VCEO = 50 V
3. Emitter-Base Voltage : VEBO = 5 V
4. Collector Current -Continuous : IC = 150 mA
5. Base Current : IB = 50 mA
6. Collector Dissipation : PC = 400 mW

Applications

1. Audio frequency general purpose amplifier applications

 

components

Other data sheets are available within the file: C1815

2SC1815 Datasheet PDF Download

2SC1815 pdf