圖片僅供參考

BC857B,215

Name: BC857B,215
Rating: 4.7 (12 reviews)

TRANS PNP 45V 0.1A TO-236AB

製造商
製造商。部分 #BC857B,215
包
資料表 BC857B,215 DataSheet
有現貨的4125

+BOM RFQ

100%原創；新

24小時準備發貨

365天保修

RFQ&；獲得更多折扣

規格

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 (hFE) (Min) @ Ic, Vce	220 @ 2mA, 5V
Power - Max	250 mW
Frequency - Transition	100MHz
Operating Temperature	150°C (TJ)
Mounting Type	Surface Mount
Package / Case	TO-236-3, SC-59, SOT-23-3
Supplier Device Package	TO-236AB
Base Product Number	BC857

概述

Description

The BC857B,215 is a low-power NPN bipolar junction transistor (BJT) used primarily for switching and amplification applications in electronic circuits. It features a maximum collector current of 100 mA and a collector-emitter voltage of up to 45V. The BC857B is designed for low voltage and low current applications, making it suitable for interfacing with microcontrollers and other low-power devices.
This transistor has a gain (hFE) of 100 to 800, providing efficient amplification with minimal input current. It has a TO-92 package, which is compact and easy to integrate into various circuit designs. The BC857B is popular in consumer electronics, automotive applications, and industrial controls due to its reliability, affordability, and ease of use.
When using the BC857B, it's essential to consider its thermal characteristics and maximum ratings to prevent damage during operation. This transistor is readily available and typically used in conjunction with resistors and capacitors to create desired circuit functions.

Features

The BC857B is a versatile NPN transistor designed for low-frequency applications, featuring a high current gain and low saturation voltage. It is commonly used in switching and amplification circuits. Key features include:
1. Type: NPN
2. Vce (Max): 45V, suitable for various applications.
3. Ic (Max): 100mA, allowing for moderate current handling.
4. Ptot: 500mW, indicating its power dissipation capability.
5. hFE: High current gain, typically between 100 to 600.
6. Package: SOT-23, compact size for space-saving designs.
7. Temperature Range: Operates efficiently between -55°C to +150°C.
8. Applications: Ideal for signal amplification, switching applications, and low-power drivers.
This transistor is widely favored in consumer electronics, automotive, and industrial applications due to its reliability and performance.

Package

The BC857B,215 is typically packaged in a SOT-23 (Surface-Mount Technology) package. This compact package is designed for efficient thermal performance and space-saving applications in electronic circuits.

Pinout

The BC857B,215 is a PNP bipolar junction transistor (BJT) typically used for switching and amplification applications. It has a standard package in SOT-23, which consists of three pins.
The pin configuration and functions are as follows:
1. Emitter (E) - This pin is connected to the emitter of the transistor, where the current flows out when the transistor is on.
2. Base (B) - This pin is the control pin that regulates the current flowing from the emitter to the collector. A small current at the base allows a larger current to flow between the emitter and collector.
3. Collector (C) - This pin receives the incoming current that will flow through the transistor when it is activated via the base.
In summary, the BC857B,215 has three pins (Emitter, Base, Collector) and is used primarily in low-power switching and amplification circuits.

Manufacturer

The BC857B,215 is manufactured by NXP Semiconductors. NXP is a global semiconductor company that specializes in developing secure connectivity solutions for embedded applications. It was formed in 2006 as a spin-off from Philips, focusing on various sectors including automotive, industrial, IoT, and mobile. NXP is known for its innovative technologies in areas like microcontrollers, analog and power management, and RF solutions. The BC857B,215 is a P-channel MOSFET transistor used in various electronic applications, demonstrating NXP's expertise in producing components critical for modern electronics.

Application

The BC857B,215 is a general-purpose NPN bipolar junction transistor commonly used in low-power amplification and switching applications. Its areas of application include audio signal amplification, low-frequency oscillators, voltage regulation circuits, and in various electronic devices like consumer electronics, portable gadgets, and sensors. It is also used in digital logic circuits and as a driver for small loads.

Equivalent

The BC857B,215 is a PNP transistor commonly used in low-power applications. Equivalent products include the BC557, BC558, and 2N2907. Ensure to check the specifications for voltage, current ratings, and package types when selecting a substitute.