The 2N3440 is a high-voltage NPN bipolar junction transistor designed for robust switching and amplification applications. Featuring a collector-to-emitter voltage rating of 100 V and a collector current capacity of up to 1 A, this transistor delivers reliable performance in demanding industrial environments. Its moderate gain and power handling capabilities make it suitable for medium-power linear and switching applications. The 2N3440??s silicon planar epitaxial construction ensures consistent characteristics and thermal stability. Engineered for durability and efficiency, this transistor is a preferred choice among engineers seeking dependable performance from a general-purpose high-voltage transistor. For further details, visit IC-fabrikant.
2N3440-Transistor Technical Specifications
Parameter
Specificatie
Type
NPN bipolaire junctie transistor
Collector-uitgangsspanning (VCEO)
100 V
Collector-Basisspanning (VCBO)
120 V
Zender-Basisspanning (VEBO)
5 V
Collectorstroom (IC)
1 A (continuous)
Vermogensverlies (PD)
25 W (max)
DC stroomversterking (hFE)
40 to 160 (varies with current)
Overgangsfrequentie (fT)
75 MHz (typical)
Type verpakking
TO-18 Metal Can
2N3440-Transistor Key Features
High Collector-Emitter Voltage Rating: Supports up to 100 V, enabling use in circuits requiring robust voltage handling without breakdown.
Moderate Collector Current Capability: Handles continuous currents of 1 A, suitable for medium-power amplification and switching tasks.
Wide DC Current Gain Range: Gain between 40 and 160 ensures flexibility in different circuit designs for optimized amplification performance.
Reliable Power Dissipation: Max power rating of 25 W allows operation in demanding thermal environments with proper heat sinking.
High Transition Frequency: Typical fT of 75 MHz supports moderate-speed switching applications in analog and digital circuits.
Durable TO-18 Metal Can Package: Provides excellent thermal conductivity and mechanical protection assuring long-term reliability.
Typische toepassingen
Linear amplifier stages in audio and RF circuits requiring medium power handling and stable gain characteristics.
Switching regulator circuits where high voltage tolerance and moderate current handling are essential for efficiency.
Interface drivers and relay drivers in industrial control systems benefiting from rugged transistor construction.
General-purpose amplification and switching in measurement and instrumentation equipment where reliable performance is critical.
2N3440-Transistor Advantages vs Typical Alternatives
This transistor offers a balanced combination of high voltage tolerance and moderate current capacity, making it advantageous over typical low-voltage transistors in industrial applications. Its broad gain range and stable frequency response improve amplification accuracy, while the robust TO-18 package ensures enhanced thermal dissipation and mechanical reliability. These features provide engineers with a reliable and efficient option for medium-power switching and amplification tasks where durability and precise control are required.
The 2N3440 transistor is a widely recognized device originally introduced by major semiconductor manufacturers such as ON Semiconductor and Fairchild Semiconductor. It is categorized under the JEDEC registered transistor numbering system, ensuring industry-standard specifications and interchangeability. This transistor is a staple in the electronics industry, supported by multiple reputable suppliers and distributors offering consistent quality and availability. It is frequently utilized in industrial and commercial electronic designs due to its proven performance and dependable thermal management characteristics.
FAQ
What is the maximum voltage rating of the 2N3440 transistor?
