The UN2113 is a silicon NPN epitaxial planar transistor designed for low noise amplifier applications, especially in the VHF and UHF bands. It offers excellent high-frequency performance and is suitable for use in various communication and signal processing circuits. This transistor is manufactured by Panasonic and is known for its reliable performance and consistent characteristics.

Applications

• VHF/UHF Low Noise Amplifiers (LNAs)
• Oscillators
• Mixers
• High-Frequency Amplification Stages
• Communication Equipment

Features

• Low Noise Figure: Ensures minimal added noise in amplifier circuits.
• High Gain: Provides substantial signal amplification.
• High Transition Frequency (fT): Enables effective operation at high frequencies.
• Excellent Linearity: Maintains signal integrity with minimal distortion.
• Small Package: Allows for compact circuit designs.

Benefits

• Improved Signal Quality: Minimizes noise, resulting in clearer and more reliable signals.
• Enhanced Amplifier Performance: Boosts signal strength without significant noise amplification.
• Versatile Use: Suitable for a broad range of high-frequency applications.
• Compact Design: Enables the creation of smaller and more efficient electronic devices.
• Reliable Operation: Ensures consistent performance and long-term stability.

Additional Details

The UN2113's key specifications include a collector-base voltage (VCBO), collector-emitter voltage (VCEO), and emitter-base voltage (VEBO). It also features a specified collector current (IC) and power dissipation (PC). The transistor's low noise figure is a critical parameter, making it ideal for sensitive receiver applications. The encapsulation is typically a small outline transistor (SOT) package for surface mount technology (SMT) assembly.

This transistor is commonly used in front-end amplification stages of radio receivers, where low noise is crucial for capturing weak signals. Its high gain and transition frequency make it a valuable component in demanding communication systems. Engineers often select the UN2113 for its combination of performance, reliability, and compact size, which are essential in modern electronic design.