The 2N2919L transistor is a high-performance NPN bipolar junction transistor optimized for general-purpose amplification and switching applications. Designed to handle moderate power levels with a maximum collector current of 0.8 A and a collector-emitter voltage rating of 40 V, it offers reliable performance in various electronic circuits. Its silicon planar epitaxial structure ensures stable operation with a DC current gain (hFE) ranging between 40 to 300, supporting precise control in analog and digital domains. The device??s TO-18 metal can package provides excellent thermal conductivity and mechanical durability, making it suitable for industrial environments where consistent performance is critical. Available from trusted sources such as IC Üreticisi, this transistor is a versatile component for engineers and sourcing specialists seeking dependable semiconductor solutions.
2N2919L-Transistor Technical Specifications
Parametre
Şartname
Type
NPN Bipolar Bağlantı Transistörü
Kollektör-Emitter Gerilimi (VCEO)
40 V
Kollektör-Baz Gerilimi (VCBO)
60 V
Verici-Baz Gerilimi (VEBO)
5 V
Kollektör Akımı (IC)
0.8 A (max)
Güç Tüketimi (Ptot)
0.625 W
DC Akım Kazancı (hFE)
40 ?C 300
Geçiş Frekansı (fT)
150 MHz (typical)
Paket Tipi
TO-18 Metal Kutu
2N2919L-Transistor Key Features
Yüksek Akım İşleme: Supports collector current up to 0.8 A, enabling effective switching and amplification in moderate power circuits.
Wide Voltage Ratings: Collector-emitter voltage rating of 40 V allows for flexible use in various electronic designs requiring medium voltage tolerance.
Stable DC Current Gain: Gain range from 40 to 300 ensures consistent amplification performance across different operating conditions.
Yüksek Geçiş Frekansı: Typical fT of 150 MHz supports high-speed switching applications, enhancing signal integrity in communication circuits.
Robust TO-18 Packaging: Metal can package provides superior heat dissipation and mechanical reliability in demanding industrial environments.
Tipik Uygulamalar
Signal Amplification: Ideal for low to medium power amplification stages in analog circuits, including audio preamplifiers and sensor signal conditioning.
Switching Circuits: Suitable for switching loads in industrial control systems where moderate current and voltage handling is required.
Oscillator Circuits: Its frequency response characteristics make it effective for use in oscillator and timing circuits.
Driver Stages: Commonly used as driver transistors in relay drivers, LED drivers, and other intermediate amplification roles.
2N2919L-Transistor Advantages vs Typical Alternatives
This transistor offers a balanced combination of voltage and current ratings along with high gain and frequency response, providing superior performance compared to many generic NPN transistors. Its metal can package enhances thermal management and mechanical durability, reducing failure risks in industrial applications. The broad current gain range also allows engineers greater flexibility in circuit design, ensuring reliable switching and amplification with efficient integration.
The 2N2919L transistor is a widely recognized device originally popularized by multiple semiconductor manufacturers, including Texas Instruments and ON Semiconductor, known for producing reliable, industrial-grade bipolar transistors. This part number is standardized and available from various reputable suppliers, ensuring consistent quality and availability. Its longstanding presence in the market underscores its proven performance and suitability for general-purpose amplification and switching tasks across numerous electronics sectors.
