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BC547B

Name: BC547B
Rating: 4.7 (12 reviews)

TRANS NPN 45V 0.1A TO92

Производитель
Мфр. Часть #BC547B
Пакет TO-92-3
Лист данных BC547B DataSheet
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Спецификации

Package	Strip
ProductStatus	Active
TransistorType	NPN
Current-Collector(Ic)(Max)	100 mA
Voltage-CollectorEmitterBreakdown(Max)	45 V
VceSaturation(Max)@IbIc	600mV @ 5mA, 100mA
Current-CollectorCutoff(Max)	15nA
DCCurrentGain(hFE)(Min)@IcVce	200 @ 2mA, 5V
Power-Max	500 mW
Frequency-Transition	300MHz
OperatingTemperature	-55°C ~ 150°C (TJ)
MountingType	Through Hole
Package/Case	TO-226-3, TO-92-3 (TO-226AA)

Обзор

Description

The BC547B is a popular NPN bipolar junction transistor (BJT) widely used in low-power amplification and switching applications. It features a maximum collector current of 100 mA and a collector-emitter voltage rating of 45 V. The BC547B offers a high current gain (hFE) ranging from 110 to 800, making it suitable for various applications, including audio amplifiers, signal processing, and general-purpose switching.
This transistor is often found in electronic circuits due to its reliability, ease of use, and availability. It comes in a TO-92 package, making it easy to handle and integrate into circuits. The BC547B is typically biased in the active region for amplification or in saturation for switching applications.
Key specifications include:
- Maximum Collector Current: 100 mA
- Collector-Emitter Voltage: 45 V
- Gain (hFE): 110 to 800
Overall, the BC547B is an essential component in electronics, serving both hobbyists and professionals alike in various circuit designs.

Features

The BC547B is a general-purpose NPN bipolar junction transistor (BJT) widely used in electronic circuits. Key features include:
1. Type: NPN transistor.
2. Voltage Rating: Maximum collector-emitter voltage (Vce) of 45V.
3. Current Rating: Maximum collector current (Ic) of 100mA.
4. Gain: High current gain (hFE) ranging from 110 to 800, enhancing amplification capabilities.
5. Power Dissipation: Maximum power dissipation of 500mW, suitable for low-power applications.
6. Frequency: Transition frequency (ft) of around 100MHz, enabling use in high-frequency applications.
7. Package: Available in a TO-92 package, making it compact and easy to handle.
8. Applications: Commonly used in amplification, switching, and signal processing circuits.
The BC547B is favored for its reliability, versatility, and ease of integration into various electronic projects and designs.

Package

The BC547B is typically packaged in a TO-92 style casing. This is a plastic, cylindrical package commonly used for small signal transistors, providing easy mounting on PCBs and heat dissipation.

Pinout

The BC547B is a NPN bipolar junction transistor (BJT) commonly used for general-purpose amplification and switching applications. It has three pins:
1. Collector (C) - This is the terminal through which the primary output current flows. It collects electrons from the emitter and allows current to flow to the load.

2. Base (B) - The base terminal controls the transistor's operation. A small current applied to the base allows a larger current to flow from the collector to the emitter, enabling amplification or switching.
3. Emitter (E) - The emitter terminal is where the charge carriers (electrons, in the case of NPN) leave the transistor. It is connected to the common ground or negative voltage in a circuit.
The BC547B is rated for a maximum collector current of 100 mA and a collector-emitter voltage of 45 V, making it suitable for low-power applications.

Manufacturer

The BC547B is a bipolar junction transistor (BJT) commonly used in electronics. It is manufactured by several companies, with one of the most notable being ON Semiconductor, which is a major player in the semiconductor industry. Other manufacturers include Fairchild Semiconductor, Texas Instruments, and Vishay Intertechnology, among others.
These companies are typically involved in designing and producing a wide range of semiconductor devices, including transistors, diodes, and integrated circuits. They serve various sectors such as consumer electronics, automotive, industrial, and telecommunications. The semiconductor industry is characterized by its focus on innovation and technological advancement, supplying critical components for modern electronic applications.

Application

The BC547B is a general-purpose NPN bipolar junction transistor commonly used in low-power amplification and switching applications. It is ideal for audio amplification, signal processing in radios, and other electronic devices. Additionally, it can be found in low-frequency oscillators, preamplifiers, and as a switch in digital circuits. Its suitability for handling low voltages and currents makes it popular in hobbyist projects and educational kits.

Equivalent

The BC547B is a NPN bipolar junction transistor. Equivalent products include 2N3904, 2N2222, BC548, and BC549. These transistors share similar characteristics, such as voltage and current ratings, making them suitable substitutes in various applications. Always check the specific parameters to ensure compatibility.

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