BC857BW

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BC857BW

+BOM

TRANS PNP 45V 0.1A SOT323

365 1일 품질 보증

7*24 영업 시간 서비스 보증

90-판매 후 1일 보증

정품 보증

사양

속성 가치
Package / Case Strip
Part Status Active
Transistor Type PNP
Current - Collector(Ic)(Max) 100 mA
Voltage - Collector Emitter Breakdown(Max) 45 V
Vce Saturation(Max) @ Ib Ic 650mV @ 5mA, 100mA
Current - Collector Cutoff(Max) 15nA (ICBO)
DC Current Gain(h FE)(Min) @ Ic Vce 220 @ 2mA, 5V
Power - Max 200 mW
Frequency - Transition 100MHz
Operating Temperature -55°C ~ 150°C (TJ)
Mounting Type Surface Mount

개요

Description

The BC857BW is a general-purpose NPN bipolar junction transistor (BJT) commonly used in electronic circuits for switching and amplification. It is part of the BC857 series, which are surface-mount transistors housed in a small SOT-323 package, making them suitable for compact designs. The BC857BW is specifically designed for low-power applications and is characterized by its low current gain and voltage ratings.
Key specifications include a collector-emitter voltage (V_ce) of 45V, a collector current (I_c) of up to 100mA, and a power dissipation of around 250mW. The device offers a DC current gain (h_FE) typically ranging from 125 to 800, which makes it versatile for various analog applications such as signal amplification and switching tasks.
Due to its small size and reliable performance, the BC857BW is often employed in consumer electronics, automotive, and communication equipment. Its ability to function effectively across a wide temperature range enhances its applicability in diverse environmental conditions.

Equivalent

The BC857BW is a PNP bipolar junction transistor. Equivalent products include the BC857, BC857B BC857CBC557, BC327, and 2N3906. These transistors have similar PNP functionalities, but always check the datasheets to ensure compatibility in terms of voltage, current ratings, and package type for your specific application.

Features

The BC857BW is a PNP bipolar junction transistor (BJT) commonly used for general-purpose amplification and switching applications. Key features include:
1. Polarity: PNP, meaning the majority carriers are holes.
2. Package: SOT-323/SC-70, a small surface-mount package ideal for compact PCB designs.
3. Operating Voltage: Collector-Emitter Voltage (V_CE) of -45V, allowing it to handle moderate voltage applications.
4. Current Rating: Collector Current (I_C) of -100mA, suitable for low to medium current circuits.
5. Power Dissipation: Maximum power dissipation of around 250mW, indicating its capacity for handling power within its operational limits.
6. Transition Frequency: Typically around 100 MHz, which is adequate for audio and some RF applications.
7. Gain: High DC current gain (h_FE) ranging from 125 to 800, providing efficient amplification.
8. Temperature Range: Operational temperature range of -55°C to 150°C, suitable for various environmental conditions.
These features make the BC857BW suitable for use in signal processing, amplification circuits, and as a switch in electronic devices.

Pinout

The BC857BW is a PNP bipolar junction transistor (BJT) commonly used for amplification and switching applications. It is a part of the BC857 series and is housed in a SOT-323 (also known as SC-70) package, which is a small surface-mount device.
- Pin Count: The BC857BW has 3 pins.
- Pin Functions:
1. Emitter (E): The emitter is the terminal from which the charge carriers (holes for PNP) are emitted. It is typically connected to the more negative side of the circuit.
2. Base (B): The base terminal controls the transistor's operation. A small current flowing into the base allows a larger current to flow from the emitter to the collector.
3. Collector (C): The collector is the terminal through which the majority of the charge carriers flow out of the transistor. It is usually connected to the more positive side of the circuit.
This transistor is used in low power applications due to its small size and power handling capabilities.

Manufacturer

The BC857BW is manufactured by Nexperia, a company known for producing semiconductors. Nexperia specializes in discrete components, logic devices, and MOSFETs. It was originally part of NXP Semiconductors before becoming an independent company in 2017. Nexperia is recognized for its focus on efficiency, high-volume production, and reliable supply chain management, serving a wide range of applications in automotive, industrial, consumer electronics, and computing sectors.

Application

The BC857BW is a PNP bipolar junction transistor commonly used in various electronic applications. Key areas include:
1. Switching Applications: Suitable for low-power switching, this transistor is often used in switches and relay controls.
2. Amplification: It is used in audio and signal amplification, ideal for small-signal amplification stages.
3. Analog Circuits: Utilized in analog circuits for tasks such as buffering and scaling.
4. Voltage Regulation: Plays a role in voltage regulation and stabilization circuits.
5. General Purpose Use: Employed in general-purpose electronic circuits and projects due to its reliability and ease of use.
It is particularly favored in portable and low-power devices due to its small size and low current requirements.

Package

The BC857BW is a PNP bipolar junction transistor that comes in a SOT-323 (SC-70) package type, which is a small surface-mount package suitable for compact electronic designs.

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