2N1890S-Transistor NPN Amplifier Transistor in TO-18 Metal Can Package by ON Semiconductor

2N1890S-Transistor Overview

The 2N1890S transistor is a silicon NPN bipolar junction transistor widely used in medium-power amplification and switching applications. Designed to operate efficiently within a broad range of voltages and currents, it ensures reliable performance in industrial electronics and control circuits. Its robust construction supports stable operation in diverse environments, making it ideal for engineers seeking a dependable component. The device is well-suited for amplification stages, driver circuits, and general-purpose switching tasks. For sourcing and detailed product inquiries, refer to IC Manufacturer.

2N1890S-Transistor Technical Specifications

Parameter	Specification
Transistor Type	NPN Bipolar Junction Transistor
Collector-Emitter Voltage (VCEO)	60 V
Collector Current (IC)	1.5 A
Power Dissipation (PD)	30 W
Gain Bandwidth Product (fT)	100 MHz
DC Current Gain (hFE)	40 to 160 (varies with collector current)
Package Type	TO-39 Metal Can
Operating Temperature Range	-65??C to +200??C
Transition Frequency	100 MHz

2N1890S-Transistor Key Features

• High collector current capacity: Supports continuous collector current up to 1.5 A, enabling efficient handling of medium-power loads in amplification and switching circuits.
• Wide voltage tolerance: With a collector-emitter voltage rating of 60 V, it performs reliably across a broad range of industrial voltage levels.
• Robust thermal performance: The TO-39 metal can package facilitates excellent thermal dissipation, enhancing device longevity and stability under high-power conditions.
• Broad frequency response: Offers a gain bandwidth product of 100 MHz, suitable for moderate-frequency signal amplification and switching applications.

Typical Applications

• Medium-power linear amplifiers in audio and RF circuits, leveraging its gain and frequency capabilities for signal fidelity.
• Switching regulators and power supply circuits requiring reliable medium current handling and voltage withstand.
• Driver stages for relays, solenoids, and electromechanical devices where robust switching is essential.
• Industrial control systems demanding consistent operation in harsh temperature and voltage environments.

2N1890S-Transistor Advantages vs Typical Alternatives

The 2N1890S transistor offers a balanced combination of medium power handling, wide voltage tolerance, and strong thermal stability compared to typical small-signal transistors. Its metal can package improves heat dissipation, reducing thermal stress and increasing reliability. The device??s gain bandwidth and current capacity make it suitable for applications where both amplification accuracy and switching efficiency are critical, providing engineers with a dependable alternative in industrial and control electronics.

2N1890S-Transistor Brand Info

The 2N1890S transistor is a well-established component originally released by manufacturers specializing in discrete semiconductor devices. It is commonly available from multiple semiconductor suppliers adhering to JEDEC standard outlines, ensuring consistent quality and interchangeability. Its legacy in industrial and commercial electronics reflects a mature design optimized for reliability and performance in medium-power applications. The transistor??s enduring presence in the market is supported by its proven track record in robust operation and compatibility with standard TO-39 metal can packaging.

FAQ

What type of transistor is the 2N1890S?

The 2N1890S is an NPN bipolar junction transistor (BJT), designed for medium-power amplification and switching. Its structure allows it to handle moderate current and voltage levels common in industrial and general-purpose electronics.

What is the maximum collector current rating of this transistor?

This transistor supports a continuous collector current of up to 1.5