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BC857C

Name: BC857C
Rating: 4.7 (12 reviews)

TRANS PNP 45V 0.1A SOT23

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製造商。部分 #BC857C
包 P-SOT23-3-3
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規格

Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
TransistorType	PNP
Current-Collector(Ic)(Max)	100 mA
Voltage-CollectorEmitterBreakdown(Max)	45 V
VceSaturation(Max)@IbIc	650mV @ 5mA, 100mA
Current-CollectorCutoff(Max)	100nA (ICBO)
DCCurrentGain(hFE)(Min)@IcVce	420 @ 2mA, 5V
Power-Max	200 mW
Frequency-Transition	100MHz
OperatingTemperature	150°C (TJ)
MountingType	Surface Mount
Package/Case	TO-236-3, SC-59, SOT-23-3

概述

Description

The BC857C is a general-purpose NPN bipolar junction transistor (BJT) used primarily for switching and amplification applications. It features a low noise figure and high DC current gain (hFE), making it suitable for low-power applications in audio and radio frequency circuits. The BC857C is a surface-mounted device (SMD) with a maximum collector current of 100 mA and a collector-emitter voltage (Vce) of 45 V.
Key specifications include:
- Type: NPN
- Package: SOT-23
- Max Collector Current (Ic): 100 mA
- Max Collector-Emitter Voltage (Vce): 45 V
- Gain (hFE): Typically 100 to 600
It operates efficiently in low-voltage environments, making it ideal for consumer electronics, signal processing, and other compact electronic systems. The BC857C is commonly used in applications like audio amplifiers, signal switching, and as a part of digital logic circuits.

Features

The BC857C is a complementary PNP transistor designed for low-power switching and amplification applications. Key features include:
1. Type: PNP bipolar junction transistor (BJT).
2. Voltage Rating: Collector-emitter voltage (Vce) up to 45V.
3. Current Rating: Maximum collector current (Ic) is 100mA.
4. Power Dissipation: Maximum power dissipation of 500mW.
5. Gain: High current gain (hFE) ranging from 100 to 600, depending on the collector current.
6. Package Type: Available in various packages, including TO-92, making it suitable for through-hole and surface-mount applications.
7. Switching Speed: Moderate switching speed suitable for various general-purpose applications.
8. Temperature Range: Operating temperature range from -55°C to +150°C.
This transistor is commonly used in signal amplification, switching, and in various consumer electronics due to its reliability and ease of integration into circuits.

Package

The BC857C is commonly packaged in a SOT-23 (Small Outline Transistor) package type. This surface-mount package is widely used for its compact size and efficiency in electronic circuits.

Pinout

The BC857C is a PNP bipolar junction transistor (BJT) commonly used in switching and amplification applications. It typically comes in a TO-92 package with three pins.
Pin Count and Functions:
1. Pin 1 (Emitter - E): This is the emitter terminal, which is connected to the positive supply voltage in a PNP configuration.
2. Pin 2 (Base - B): This is the base terminal, which controls the transistor's operation. A small current at this pin allows a larger current to flow from the emitter to the collector.
3. Pin 3 (Collector - C): This is the collector terminal, where the output current flows. It is connected to the load.
The BC857C has a maximum collector current of 100 mA and a maximum voltage rating of 45 V. It is widely used in low-power applications for signal amplification and switching.

Manufacturer

The BC857C is manufactured by various semiconductor companies, but it is commonly associated with manufacturers like Nexperia, STMicroelectronics, and ON Semiconductor. These companies specialize in the production of electronic components, including transistors, diodes, and integrated circuits. They operate in the semiconductor industry, which serves a wide range of sectors such as automotive, consumer electronics, telecommunications, and industrial applications. These manufacturers are known for their commitment to innovation and quality in electronic components, contributing to advancements in technology and electronics globally.

Application

The BC857C is a low-power NPN transistor commonly used in applications such as signal amplification, switching, and as a driver for low-power loads. It is suitable for audio amplifiers, pre-amplifiers, and general-purpose switching in consumer electronics, automotive circuits, and industrial applications. Its compact size and efficiency make it ideal for portable devices and low-voltage circuits.

Equivalent

The BC857C is a PNP bipolar junction transistor (BJT). Equivalent products include the BC557, 2N2907, and 2N3906. Always check the specific characteristics, like voltage, current ratings, and package type, to ensure compatibility for your application.