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BC857BLT1G

Name: BC857BLT1G
Rating: 4.7 (12 reviews)

TRANS PNP 45V 0.1A SOT23-3

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包 SOT23-3
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規格

Package	Tape & Reel (TR),Cut Tape (CT),Bulk
ProductStatus	Active
TransistorType	PNP
Current-Collector(Ic)(Max)	100 mA
Voltage-CollectorEmitterBreakdown(Max)	45 V
VceSaturation(Max)@IbIc	650mV @ 5mA, 100mA
Current-CollectorCutoff(Max)	15nA (ICBO)
DCCurrentGain(hFE)(Min)@IcVce	220 @ 2mA, 5V
Power-Max	300 mW
Frequency-Transition	100MHz
OperatingTemperature	-55°C ~ 150°C (TJ)
MountingType	Surface Mount
Package/Case	TO-236-3, SC-59, SOT-23-3

概述

Description

The BC857BLT1G is a NPN bipolar junction transistor (BJT) designed for low-power switching and amplification applications. It is part of the BC series of transistors and features a maximum collector current of 100 mA and a collector-emitter voltage of 45 V, making it suitable for various electronic circuits.
Key specifications include a maximum power dissipation of 500 mW and a DC current gain (hFE) ranging from 110 to 800, depending on the collector current. The BC857BLT1G is encapsulated in a SOT-23 package, which is compact and easy to integrate into printed circuit boards (PCBs).
This transistor is commonly used in signal processing, audio amplification, and low-noise applications. Its low saturation voltage and fast switching speeds make it ideal for use in digital and analog circuits. Additionally, the "T1G" suffix indicates it is a tape-and-reel packaged device, suitable for automated assembly processes.

Features

The BC857BLT1G is a PNP bipolar junction transistor (BJT) designed for general-purpose amplification and switching applications. Key features include:
1. Type: PNP transistor
2. Package: SOT-23 surface mount package
3. Voltage Ratings: Maximum collector-emitter voltage (Vce) of -45V, and a maximum emitter-base voltage (Veb) of -5V.
4. Current Rating: Continuous collector current (Ic) of -100mA.
5. Gain: High DC current gain (hFE) ranging typically from 100 to 600 at low collector current.
6. Frequency: Transition frequency (fT) around 150 MHz, suitable for high-frequency applications.
7. Thermal Characteristics: Operating junction temperature range from -55°C to +150°C.
8. Applications: Suitable for low-noise and general-purpose switching applications in consumer electronics, automotive, and industrial devices.
The BC857BLT1G is ideal for applications requiring compact size and high efficiency, making it a versatile choice in modern electronic designs.

Package

The BC857BLT1G is packaged in a SOT-23 form factor. It is a small surface-mount transistor used for general-purpose applications, including amplification and switching.

Pinout

The BC857BLT1G is a PNP bipolar junction transistor (BJT) housed in a SOT-23 package. It features three pins with the following functions:
1. Emitter (E): This is the terminal through which the current flows out of the transistor. For the BC857, it connects to the higher potential in PNP configurations.

2. Base (B): This pin controls the transistor's switching and amplification. A small current at the base allows a larger current to flow from the emitter to the collector.
3. Collector (C): This terminal is where the current enters the transistor. In a PNP configuration, the collector is connected to a lower potential compared to the emitter.
Overall, the BC857 transistor is commonly used for switching and amplification purposes in various electronic circuits.

Manufacturer

The BC857BLT1G is manufactured by ON Semiconductor, a company that specializes in semiconductor solutions. ON Semiconductor designs and produces a wide range of products, including discrete semiconductors, analog ICs, and power management devices. The company serves various sectors such as automotive, industrial, communications, and consumer electronics. Founded in 1999, ON Semiconductor focuses on energy-efficient technologies and sustainable practices, providing innovative solutions to meet the growing demand for advanced electronic systems.

Application

The BC857BLT1G is a general-purpose NPN bipolar junction transistor (BJT) used primarily in low-power switching and amplification applications. Its common application areas include audio amplification, signal processing, driver stages in electronic circuits, and use in small-signal applications such as oscillators and timers. It is also suitable for low-current switching applications in consumer electronics, telecommunications, and automotive systems.

Equivalent

The BC857BLT1G is a PNP bipolar junction transistor (BJT). Equivalent products include the BC557, BC558, and 2N2907. Always check the specific datasheet for electrical characteristics and packaging to ensure compatibility in your application.