MMUN2114LT1

Product Overview

Category: Transistor
Use: Amplification and switching in electronic circuits
Characteristics: NPN bipolar junction transistor, low power dissipation, high current gain
Package: SOT-23
Essence: Small signal transistor for general purpose applications
Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

• Collector-Base Voltage (VCBO): 50V
• Collector-Emitter Voltage (VCEO): 40V
• Emitter-Base Voltage (VEBO): 5V
• Collector Current (IC): 100mA
• Power Dissipation (PD): 225mW
• Transition Frequency (fT): 250MHz
• Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

1. Base (B)
2. Emitter (E)
3. Collector (C)

Functional Features

• High current gain
• Low power dissipation
• Fast switching speed

Advantages and Disadvantages

Advantages: - High current gain allows for amplification of weak signals - Low power dissipation reduces heat generation - Fast switching speed enables rapid on/off transitions

Disadvantages: - Limited collector current compared to higher power transistors - Moderate operating temperature range

Working Principles

The MMUN2114LT1 operates as a current-controlled switch or amplifier. When a small current is applied to the base terminal, it controls a much larger current flow between the collector and emitter terminals. This amplification effect makes it suitable for various electronic applications.

Detailed Application Field Plans

1. Audio Amplification: Used in audio amplifiers to boost weak signals from microphones or musical instruments.
2. Signal Switching: Employed in electronic switches to control the flow of signals in communication systems.
3. Sensor Interface: Integrated into sensor interface circuits to amplify and process sensor signals.

Detailed and Complete Alternative Models

1. BC547: Similar NPN transistor with comparable characteristics
2. 2N3904: General purpose NPN transistor commonly used in electronic circuits
3. 2SC945: Low power NPN transistor suitable for small signal amplification

This comprehensive entry provides an in-depth understanding of the MMUN2114LT1 transistor, including its specifications, functional features, application field plans, and alternative models.

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