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19NF20 B19NB20 Transistor Automotive Computer Board Chip

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Frequency & Power Management: Designed for high-frequency applications, including power management, switching, and high-speed signal processing in electronic circuits.
  • Thermal Efficiency: Features a metallic heat sink (aluminum-based) integrated into a TO-252 package to enhance heat dissipation, ensuring optimal performance and longevity under heavy loads.

Key features

  • 1. Thermal Efficiency with Aluminum Heat Sink

  • With an aluminum heat sink integrated into the TO-252 package, you can achieve ~30% better heat dissipation compared to standard plastic-bodied transistors*. This ensures stable performance in high-power applications like automotive systems and industrial electronics.

  • 2. Compact Surface-Mount Design for Space-Constrained Electronics

  • With a surface-mount design (SMD), you can reduce PCB footprint by up to 40% versus through-hole alternatives*, enabling seamless integration into compact devices such as automotive control units and portable computing hardware.

  • 3. High-Frequency Performance for Diverse Applications

  • With a rated frequency of up to 200 MHz, this transistor outperforms conventional models in high-speed signal processing and switching tasks, making it ideal for automotive electronics and computer circuitry.

  • 4. Automotive-Grade Reliability for Harsh Environments

  • Designed for automotive use, this transistor withstands extreme temperatures and vibrations, offering ~50% longer lifespan in continuous operation compared to standard transistors in similar conditions*.

  • 5. Versatile Compatibility Across Industries

  • With a standard TO-252 package and three-pin configuration, this transistor is compatible with 90% of PCB design tools and integrates easily into automotive, computer, and industrial systems*, reducing development time and costs.

Product details

19NF20 B19NB20 Transistor Automotive Computer Board Chip

The 19NF20 B19NB20 Transistor is a high-performance surface-mount transistor designed for automotive, computer, and standard electronics applications. Its TO-252 package combines compact size with robust thermal management, enabling reliable operation in high-frequency and power-sensitive circuits.

Technical specifications

FeatureSpecificationBenefit
Package TypeTO-252 (Thermally Enhanced SMD)Compact design for space-constrained PCBs
MaterialBlack plastic body + Aluminum heat sinkEnhanced durability and thermal dissipation
Voltage Rating20V (automotive-grade)Safe for high-power automotive systems
Max Current2A continuousSupports demanding industrial applications
Thermal Resistance≤ 40°C/WExtended lifespan under heavy loads
CompatibilityAutomotive, Computer, StandardVersatile for diverse electronic designs

Customization guide

Adjustable parameters:

  • Heat sink dimensions for improved thermal performance in high-temperature environments.
  • Lead spacing to match custom PCB layouts.
  • Material composition (e.g., copper-plated heat sinks) for enhanced conductivity.

Get inspired

Optimize your circuit design with the 19NF20 B19NB20’s compact form factor and superior thermal management. Ideal for automotive control systems, computer power supplies, and industrial IoT devices requiring reliable high-frequency switching.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Thermal Resistance40°C/W34°C/W (+15%)28°C/W (+30%)
Max Continuous Current2A2.3A (+15%)2.6A (+30%)
Operating Temperature-40°C to +150°C-40°C to +170°C-40°C to +200°C
ESD Protection2kV4kV6kV

Supplier's note

  1. Technical Breakthroughs:

    • TO-252 Package Design: The thermally enhanced SMD format reduces footprint by 20% compared to traditional packages.
    • Aluminum Heat Sink: Achieves 30% better heat dissipation than plastic-only alternatives.
    • Automotive-Grade Voltage: Ensures stability in harsh automotive environments with ±5% tolerance.
  2. Version Selection Guide:

    • Base Model: Ideal for standard electronics (e.g., consumer devices) where cost efficiency is prioritized.
    • Advanced Model: Recommended for automotive systems requiring 15% higher thermal performance and wider temperature tolerance.
    • Pro Model: Best for industrial applications (e.g., power inverters) needing triple the ESD protection and 30% higher current capacity.

With the Pro Model’s 200°C operating range, you can safely handle extreme thermal conditions in industrial machinery. Pair its low thermal resistance with high current ratings to ensure uninterrupted performance in high-demand scenarios.

Frequently asked questions

  • Which transistor suits automotive computer boards for high-frequency applications?

  • How to clean the TO-252 package’s heat sink without damaging it?

  • Plastic vs. metal in TO-252 packages: Which is better for thermal performance?

  • Is the 19NF20 transistor automotive-certified for safety standards?

  • Can TO-252 transistors be customized for thermal management in custom circuits?

  • Are 19NF20 transistors suitable for high-frequency computer board applications?

  • How does the TO-252 package ensure compatibility with standard PCB designs?

  • How does the heat sink improve the transistor’s lifespan in power management systems?

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