2N3420S-Transistor NPN Amplifier Transistor in TO-18 Metal Can Package by ON Semiconductor

2N3420S-Transistor Overview

The 2N3420S is a high-performance NPN bipolar junction transistor designed for reliable amplification and switching in industrial and electronic applications. Featuring a robust collector current rating and voltage tolerance, this transistor ensures consistent operation in demanding environments. Its medium power handling capabilities combined with a versatile TO-18 metal can package make it ideal for analog circuits requiring stable gain and low noise. Engineers and sourcing specialists benefit from its well-documented performance parameters and compatibility with standard circuit designs. For detailed technical data and procurement options, visit IC Manufacturer.

2N3420S-Transistor Technical Specifications

2N3420S-Transistor Key Features

• High Voltage Tolerance: Supports up to 60 V collector-emitter voltage, enabling reliable operation in medium-voltage circuits.
• Robust Collector Current: Handles continuous currents up to 0.8 A, suitable for moderate power switching and amplification tasks.
• Wide Operating Temperature Range: Functions effectively from -55??C to +150??C, ensuring stability in harsh industrial environments.
• Low Noise Performance: The TO-18 metal can packaging and device construction reduce noise, enhancing analog signal integrity.

Typical Applications

• Signal amplification in low to medium power audio and instrumentation circuits, where consistent linear gain is critical for performance.
• Switching components in control and automation systems requiring moderate collector current capabilities.
• Driver stages in relay and solenoid circuits that benefit from the transistor??s voltage and current ratings.
• General-purpose discrete transistor use in analog and digital electronics where reliability and predictable gain are valued.

2N3420S-Transistor Advantages vs Typical Alternatives

This transistor offers a balanced combination of medium voltage and current ratings with a reliable metal can package, providing enhanced thermal dissipation compared to plastic encased alternatives. Its stable current gain and low noise characteristics make it advantageous in analog amplification tasks. The broad operating temperature range and robust power handling ensure dependable performance where other transistors might degrade under industrial conditions.

2N3420S-Transistor Brand Info

The 2N3420S is a classic transistor design widely manufactured by several semiconductor suppliers, including established brands like ON Semiconductor, Fairchild Semiconductor, and NXP. It is recognized for its dependable quality and robust performance in general-purpose amplification and switching. The product has been a staple in the electronics industry for decades, supported by comprehensive datasheets and reliable supply chains. It remains a preferred choice for engineers seeking proven technology with well-understood characteristics.

FAQ

What is the maximum collector current rating of this transistor?

The maximum continuous collector current is rated at 0.8 amperes. This allows the transistor to handle moderate power switching and amplification loads without risk of damage under specified operating conditions.

Can the 2N3420S be used in high-frequency applications?

While its gain bandwidth product is typically around 30 MHz, the transistor is suitable for medium-frequency applications but may not perform optimally in very high-frequency RF circuits. It is best used in audio, instrumentation, and switching where frequency demands are moderate.

What packaging does the transistor use and why is it important?