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BCW71

Name: BCW71
Rating: 4.7 (12 reviews)

TRANS NPN 45V 0.5A SOT-23-3

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Mfr。パート #BCW71
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仕様

Part Status	Last Time Buy
Transistor Type	NPN
Current - Collector (Ic) (Max)	500 mA
Voltage - Collector Emitter Breakdown (Max)	45 V
Vce Saturation (Max) @ Ib, Ic	250mV @ 500µA, 10mA
Current - Collector Cutoff (Max)	100µA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce	110 @ 2mA, 5V
Power - Max	350 mW
Frequency - Transition	330MHz
Operating Temperature	-55°C ~ 150°C (TJ)
Mounting Type	Surface Mount
Package / Case	TO-236-3, SC-59, SOT-23-3
Supplier Device Package	SOT-23-3
Base Product Number	BCW71

概要

Description

The BCW71 is a high-frequency transistor, specifically designed for use in RF (radio frequency) applications. It is a NPN transistor, primarily utilized in small-signal amplification and oscillator circuits. The device features a maximum frequency of operation of around 500 MHz, making it suitable for various communication and broadcasting applications.
Key characteristics of the BCW71 include low noise, high gain, and excellent linearity, which are essential for enhancing signal integrity in radio communications. The transistor typically comes in a TO-92 package, enabling easy integration into circuits. Its electrical specifications include a collector current rating of up to 800 mA and a voltage rating of 30 V, providing versatility across different circuits.
The BCW71 is often used in consumer electronics, such as televisions and radios, as well as in industrial applications. Overall, its reliability and performance make it a popular choice for engineers designing RF circuits.

Features

The BCW71 is a high-frequency NPN transistor commonly used in RF amplification applications. Here are its key features:
1. Type: NPN transistor.
2. Frequency Range: Suitable for high-frequency applications, typically up to 300 MHz.
3. Voltage Ratings: Maximum collector-emitter voltage (Vce) of around 30V.
4. Current Ratings: Collector current (Ic) rating is approximately 1A.
5. Power Dissipation: Can handle power dissipation up to about 1.25W.
6. Gain: High current gain (hFE), typically ranging from 30 to 300, depending on operating conditions.
7. Package: Usually available in a metal can or plastic package for better thermal management.
8. Applications: Widely used in RF amplifiers, oscillators, and frequency modulation circuits.
These characteristics make the BCW71 suitable for various electronic applications, especially in communication systems.

Package

The BCW71 is typically available in a TO-220 package type. This package provides good thermal performance and is suitable for various applications, including power amplification and switching.

Pinout

The BCW71 is a NPN bipolar junction transistor (BJT) used primarily for general-purpose amplification and switching applications. It is typically packaged in a TO-220 or similar package, and it has three pins with the following functions:
1. Emitter (E) - This is the terminal through which the current exits the transistor.
2. Base (B) - This terminal controls the operation of the transistor, allowing a small current to control a larger current flowing from collector to emitter.
3. Collector (C) - This is the terminal through which the current enters the transistor.
In summary, the BCW71 has a total of 3 pins: Emitter (E), Base (B), and Collector (C), each serving distinct functions in the transistor's operation.

Manufacturer

The BCW71 is manufactured by Nexperia, a global semiconductor company. Nexperia specializes in the production of discrete, logic, and MOSFET components, focusing on high-volume manufacturing and providing reliable solutions for various electronic applications. The company was formed in 2017 when it was spun off from NXP Semiconductors and has since established itself as a key player in the semiconductor industry, emphasizing efficiency and high-quality products for markets such as automotive, industrial, and consumer electronics.

Application

The BCW71 is a high-speed switching transistor primarily used in power amplification and signal processing applications. It is suitable for audio amplifiers, radio frequency transmitters, and industrial control circuits. Additionally, it can be utilized in automotive electronics and consumer electronics for various amplification tasks. Its capabilities make it ideal for applications requiring efficient switching and low distortion.

Equivalent

The BCW71 is a general-purpose NPN transistor. Equivalent products include the BC547, 2N3904, and 2N2222 transistors. These alternatives have similar electrical characteristics and can often be used interchangeably in various applications, but always check specific datasheets for compatibility.