BCW71

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BCW71

+BOM

TRANS NPN 45V 0.5A SOT-23-3

  • Manufactureronsemi

  • Mfr. Part #BCW71

  • In Stock9530

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Specifications

Attribute Value
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 (h FE) (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

Overview

Description

The BCW71 is a high-frequency N-channel MOSFET designed for RF amplification applications, commonly used in VHF and UHF bands. It features low gate-to-drain capacitance, which allows for fast switching and efficient signal amplification. The device typically operates with a maximum drain-source voltage of 30V and can handle continuous drain currents up to 2.5A.
Its high gain characteristics and low noise figure make it ideal for use in various applications, including RF amplifiers, oscillators, and mixers in communication devices. The BCW71 is packaged in a compact TO-92 or similar form, facilitating easy integration into circuits.
Overall, it is well-suited for use in amateur radio equipment, wireless communication systems, and other electronic applications requiring reliable high-frequency performance. Proper biasing and thermal management are essential for optimal performance and longevity of the device.

Equivalent

The BCW71 is a NPN transistor commonly used in switching and amplification applications. Equivalent products include the 2N5551, 2N3904, and 2N4401. Ensure to check specifications like maximum voltage, current ratings, and gain (hFE) to confirm compatibility for your specific application.

Features

The BCW71 is a high-frequency NPN transistor commonly used in RF applications. Key features include:
1. Type: NPN transistor suitable for high-frequency amplification.
2. Voltage Ratings: Maximum collector-emitter voltage (Vce) of 30V and collector-base voltage (Vcb) of 30V.
3. Current Ratings: Maximum collector current (Ic) of 1.5A.
4. Gain: High current gain (hFE) range from 80 to 250, depending on the operating conditions.
5. Frequency: Transition frequency (fT) of about 1.2 GHz, making it suitable for RF and microwave applications.
6. Package: Typically available in a metal can package (TO-18 or similar), enhancing thermal performance.
7. Applications: Used in amplifiers, oscillators, and other RF circuits, including TV transmitters and receivers.
These features make the BCW71 a versatile component for various electronic applications requiring high-frequency performance.

Pinout

The BCW71 is a general-purpose NPN transistor commonly used in low-power amplification and switching applications. It comes in a TO-92 package, which has three pins.
Pin Configuration:
1. Emitter (E) - This pin is connected to the emitter region and is typically tied to ground or a lower voltage in a circuit.
2. Base (B) - The base pin controls the transistor's operation, allowing it to switch or amplify signals. It is used to apply a small input current.
3. Collector (C) - The collector pin is where the output current flows out of the transistor, usually connected to the load.
Function:
The BCW71 operates by allowing a small base current to control a larger collector-emitter current, functioning as an amplifier or switch in electronic circuits. Its voltage and current ratings make it suitable for various applications, including signal amplification in audio devices, power management, and switching operations.

Manufacturer

The BCW71 is a transistor manufactured by Philips, a company known for its diverse range of products in the electronics and technology sector. Philips, founded in 1891 in the Netherlands, has evolved from its origins in lightbulb manufacturing to become a global leader in various domains including consumer electronics, healthcare, and lighting solutions.
The BCW71 is a medium power NPN transistor primarily used in low-frequency amplification and switching applications. It is suitable for use in general-purpose circuits, such as audio amplifiers and switching power supplies, due to its reliable performance and efficiency. Philips has a long-standing reputation for quality and innovation in the semiconductor industry, contributing to the development of various electronic components, including transistors like the BCW71. The company has continually adapted to technological advancements, positioning itself as a significant player in the global market.

Application

The BCW71 is a high-frequency NPN transistor primarily used in RF applications. Its key application areas include RF amplifiers, oscillators, and mixers in communication devices, such as radios and televisions. Additionally, it can be utilized in low-noise amplifiers and signal processing circuits due to its good frequency response and low noise levels. Furthermore, the BCW71 is also suitable for various switching applications, making it versatile in both consumer electronics and industrial equipment.

Package

The BCW71 is typically packaged in a TO-220 format, which is a type of semiconductor package that provides good thermal performance and is suitable for applications requiring heat dissipation.