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2N4209

Name: 2N4209
Rating: 4.7 (12 reviews)

TRANS PNP 15V 0.05A TO18

製造商
製造商。部分 #2N4209
包 TO-206AA, TO-18-3 Metal Can
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規格

Supplier	onsemi
Package	Bulk
ProductStatus	Obsolete
TransistorType	PNP
Current-Collector(Ic)(Max)	50 mA
Voltage-CollectorEmitterBreakdown(Max)	15 V
VceSaturation(Max)@IbIc	150mV @ 100µA, 1mA
Current-CollectorCutoff(Max)	10nA
DCCurrentGain(hFE)(Min)@IcVce	50 @ 10mA, 300mV
Power-Max	300 mW
MountingType	Through Hole
Package/Case	TO-206AA, TO-18-3 Metal Can

概述

Description

The 2N4209 is a general-purpose NPN transistor widely used in various electronic circuits for amplification and switching applications. It features a maximum collector current (Ic) of 800 mA and a collector-emitter voltage (Vce) of 40 V, making it suitable for low to medium power applications.
Designed primarily for use in audio amplification, signal processing, and as a switch in digital circuits, the 2N4209 has a moderate current gain (hFE) typically ranging from 50 to 150. It is housed in a TO-92 package, which allows for easy handling and integration into breadboards and PCB layouts.
Key specifications include a maximum power dissipation of 1 W and a junction temperature range of -55°C to +150°C. Its versatility and reliability make it a popular choice among hobbyists and professionals alike. The 2N4209 can be easily replaced with other transistors in its class, such as the 2N3904 or 2N2222, depending on the specific requirements of the application.

Features

The 2N4209 is a silicon NPN transistor primarily used for general-purpose amplification and switching applications. Key features include:
1. Configuration: NPN type, suitable for low to medium power applications.
2. Voltage Ratings: Collector-Base Voltage (V_CBO) up to 60V, Collector-Emitter Voltage (V_CE) up to 60V, and Emitter-Base Voltage (V_EBO) up to 6V.
3. Current Ratings: Maximum Collector Current (I_C) of 1A, allowing it to handle moderate loads.
4. Power Dissipation: Maximum power dissipation of 1.5W, which enables efficient operation in various circuits.
5. Gain: DC current gain (h_FE) typically ranges from 100 to 300, ensuring effective amplification.
6. Frequency Response: Transition frequency (f_T) of about 150 MHz, suitable for RF applications.
7. Package Type: Available in TO-39 metal can or TO-92 plastic package, facilitating diverse mounting options.
These features make the 2N4209 a versatile choice for electronic circuit design.

Package

The 2N4209 is typically packaged in a TO-39 metal can package. This package type provides good thermal performance and stability, making it suitable for various electronic applications.

Pinout

The 2N4209 is a silicon NPN transistor, typically used for amplification and switching applications. It comes in a TO-39 metal can package and has three pins. The pin configuration and functions are as follows:
1. Emitter (E) - This pin is connected to the emitter of the transistor, which is the terminal through which the current exits the transistor.
2. Base (B) - This is the control terminal. A small input current applied here allows control over the larger current flowing from collector to emitter.
3. Collector (C) - This pin is connected to the collector, where the current enters the transistor from the power supply.
In summary, the 2N4209 has a pin count of three, with each pin serving specific roles for current control and amplification.

Manufacturer

The 2N4209 is a silicon NPN transistor manufactured by several semiconductor companies, with Texas Instruments being one of the notable manufacturers. Texas Instruments is a technology company that designs and manufactures semiconductors and various integrated circuits, primarily for electronics and telecommunications applications. Founded in 1930, the company is known for its innovation in analog and embedded processing, serving a wide range of industries including automotive, industrial, and consumer electronics.

Application

The 2N4209 is a NPN transistor commonly used in various applications, including amplification, switching, and signal processing. Its key areas of application include audio amplifiers, radio frequency (RF) transmitters, and as a driver for relays and motors. It is also used in low-frequency oscillators and signal modulation circuits, making it suitable for both consumer electronics and industrial automation.

Equivalent

The 2N4209 is a PNP bipolar junction transistor. Equivalent products include the 2N2907, 2N3055, and 2N5088. Depending on specific application needs, you might also consider the BC558 or MPSA56. Always check the datasheets for exact specifications and characteristics before substitution.