BC847B

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BC847B

+BOM

TRANS NPN 45V 0.1A SOT23-3

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  • 패키지 SOT-23-3

  • 재고3798

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사양

속성 가치
Package Tape & Reel (TR),Cut Tape (CT)
Series SOT-23
ProductStatus Obsolete
TransistorType NPN
Current-Collector(Ic)(Max) 100 mA
Voltage-CollectorEmitterBreakdown(Max) 45 V
VceSaturation(Max)@IbIc 500mV @ 5mA, 100mA
Current-CollectorCutoff(Max) 100nA (ICBO)
DCCurrentGain(hFE)(Min)@IcVce 200 @ 2mA, 5V
Power-Max 200 mW
Frequency-Transition 100MHz
OperatingTemperature -65°C ~ 150°C (TJ)
MountingType Surface Mount
Package/Case TO-236-3, SC-59, SOT-23-3

개요

Description

The BC847B is a general-purpose NPN bipolar junction transistor commonly used in electronic circuits for switching and amplification. It is part of the BC847 series, known for its small signal capabilities and SOT-23 surface-mount package, which makes it suitable for compact circuit designs. Key specifications of the BC847B include a maximum collector-emitter voltage (V_CE) of 45V, a collector current (I_C) of up to 100mA, and a power dissipation of 250mW. It has a current gain (h_FE) typically ranging from 200 to 450, making it effective for amplifying weak signals. This transistor is favored for its reliability, low cost, and versatility in various applications such as audio amplifiers, signal processing, and switching tasks. Due to its small size and efficiency, the BC847B is widely used in consumer electronics, communication devices, and automotive circuits, providing a balance between performance and space-efficiency in electronic designs.

Equivalent

The BC847B is a general-purpose NPN bipolar junction transistor. Equivalent products include the BC547BBC337, 2N3904 and 2SC1815. These transistors have similar electrical characteristics, including voltage and current ratings, but it's essential to check specific parameters like gain and package type for compatibility. Always consult manufacturer datasheets for detailed comparisons.

Features

The BC847B is a general-purpose NPN bipolar junction transistor commonly used in electronic circuits. Key features include:
1. Package: SOT-23, which is a small surface-mount package ideal for compact designs.
2. Voltage Ratings: Collector-emitter voltage (V_CE) rating of 45V, and collector-base voltage (V_CB) rating of 50V.
3. Current Rating: Collector current (I_C) maximum of 100 mA.
4. Power Dissipation: Maximum power dissipation typically around 250 mW.
5. Gain: High DC current gain (h_FE) ranging from 200 to 450, making it suitable for amplification purposes.
6. Frequency: Transition frequency (f_T) of around 100 MHz, suitable for high-speed switching.
7. Temperature Range: Operates effectively within a temperature range of -55°C to +150°C.
These features make the BC847B suitable for a wide variety of applications including signal amplification and switching in consumer electronics, automotive, and telecommunication systems.

Pinout

The BC847B is a general-purpose NPN bipolar junction transistor. It typically comes in a small SOT-23 surface-mount package, which has three pins. The pin configuration is as follows:
1. Pin 1 (Base): The base is the control terminal for the transistor. By varying the current or voltage applied to this pin, you can control the flow of current between the collector and emitter.
2. Pin 2 (Emitter): The emitter is the terminal through which current flows out of the transistor. For an NPN transistor like the BC847B, current flows from the collector to the emitter when the transistor is forward-biased.
3. Pin 3 (Collector): The collector is the terminal through which current flows into the transistor. It is connected to the load in most circuit applications.
The BC847B is used in amplification and switching applications due to its ability to handle moderate current and voltage levels. Its small size makes it suitable for compact circuit designs.

Manufacturer

The BC847B is a general-purpose NPN transistor. Several manufacturers produce this transistor, including major semiconductor companies like NXP Semiconductors, ON Semiconductor, and Infineon Technologies. These companies are well-established in the electronics industry and are known for designing and manufacturing a wide range of semiconductor components used in various applications, from consumer electronics to industrial and automotive sectors.
NXP Semiconductors, headquartered in the Netherlands, specializes in secure connectivity solutions for embedded applications. ON Semiconductor, based in the United States, focuses on energy-efficient innovations to help customers reduce global energy use. Infineon Technologies, a German company, offers semiconductor solutions for various sectors, including automotive, industrial, and consumer electronics, emphasizing energy efficiency, mobility, and security.
These companies are key players in the global semiconductor market, providing essential components like transistors, diodes, and integrated circuits that form the backbone of modern electronic devices. Their products are critical in enabling the functionality and performance of electronic systems worldwide.

Application

The BC847B is a general-purpose NPN bipolar junction transistor commonly used in various applications. Key application areas include:
1. Switching Circuits: Utilized in low-power switching applications due to its fast switching capabilities.
2. Amplifiers: Employed in small signal amplification circuits for audio or RF signals.
3. Signal Processing: Used in processing circuits because of its linear response characteristics.
4. Voltage Regulation: Part of voltage regulation circuits, providing stability and control.
5. Consumer Electronics: Found in devices such as TVs and radios for circuit stabilization and amplification.
6. Industrial Controls: Used in control systems for its reliability and efficiency in small current applications.
Its versatility in handling various low-power tasks makes it a staple in electronic designs.

Package

The BC847B is typically housed in a SOT-23 package, which is a small, surface-mount package commonly used for transistors.