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  • MBRB1645T4G TO263 triode B1645G
  • MBRB1645T4G TO263 triode B1645G
  • MBRB1645T4G TO263 triode B1645G
  • MBRB1645T4G TO263 triode B1645G
  • MBRB1645T4G TO263 triode B1645G
  • MBRB1645T4G TO263 triode B1645G
MBRB1645T4G TO263 triode B1645G

MBRB1645T4G TO263 triode B1645G

$0.47-$2.33/ Piece|10 Piece/Pieces(Min. Order)
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MBRB1645T4G TO263 triode B1645G

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Power Handling: Designed to manage high current and voltage in power electronics, enabling efficient power regulation in integrated circuit (IC) systems.
  • Integrated Circuit Compatibility: Optimized for seamless integration into IC-based applications, such as power supplies and motor control systems, ensuring reliable performance in demanding environments.

Key features

  • 1. Advanced Material Technology for Enhanced Durability

    • With a corrosion-resistant metal heat sink integrated into the TO-263 package, you can ensure efficient heat dissipation and prolonged component longevity even under high-stress conditions. This design outperforms standard plastic-packaged transistors by reducing thermal degradation risks.

  • 2. Optimized Interactive Design for Seamless Integration

    • With a surface-mount TO-263 package, you can achieve quick and secure installation in compact electronic systems. Its standardized form factor simplifies PCB layout design and reduces assembly time compared to through-hole alternatives.

  • 3. High-Performance Parameters for Heavy-Duty Applications

    • With a maximum current rating of 16A and a voltage capacity of 45V, you can handle heavy electrical loads efficiently. This performance surpasses entry-level transistors, enabling reliable operation in power-dense systems.

  • 4. Versatile Scenario Solutions for Critical Electronics

    • Designed for high-power applications like power supplies, inverters, and motor controllers, you can ensure stable performance in industrial or consumer electronics. The TO-263 package’s robust construction supports continuous operation in demanding environments.

  • 5. Compliance with Industry Certification Standards

    • With compliance to JEDEC and RoHS standards, you can guarantee safety, environmental friendliness, and compatibility with global electronics manufacturing protocols. This certification ensures seamless adoption in regulated industries.

Product details

MBRB1645T4G TO263 triode B1645G

The MBRB1645T4G TO263 Triode B1645G is a high-performance power transistor designed for integrated circuit applications. Built with a silicon semiconductor and housed in a TO-263 package, it combines robust thermal management with high current/voltage handling capabilities. Ideal for power electronics systems, it ensures reliable performance in demanding environments.

Technical specifications

FeatureSpecificationBenefit
SemiconductorSilicon (Si)High current capacity and cost efficiency
Package TypeTO-263 (surface-mount)Easy integration and compact design
Current Rating16A (continuous)Supports high-power applications
Voltage Rating45V (breakdown)Safe operation in high-voltage systems
Heat DissipationIntegrated metal heat sinkEnhanced thermal stability
CertificationIndustry-standard complianceEnsures reliability and safety

Customization guide

Adjustable parameters:

  • Thermal interface material (e.g., thermal paste or heatsinks) to optimize heat dissipation for extreme environments.
  • Mounting configuration to align with PCB layout requirements.

Get inspired

With the MBRB1645T4G’s rugged design and TO-263 package, engineers can build efficient power supplies, inverters, or motor controllers. Its silicon semiconductor ensures durability in harsh conditions, while the surface-mount design simplifies mass production.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Current Capacity16A+20% (19.2A)+35% (21.7A)*
Voltage Rating45V50V60V
Thermal Resistance1.5°C/W1.2°C/W0.9°C/W
Package Size9.7mm x 5.0mmSameSame

Supplier's note

  1. Technical Breakthroughs:

    • Silicon Semiconductor: Enables 16A continuous current handling, 20% higher than older germanium-based models.
    • TO-263 Package: Reduces footprint by 15% compared to legacy TO-220 packages, ideal for compact designs.
    • Enhanced Thermal Design: The Pro Model’s 0.9°C/W thermal resistance outperforms industry benchmarks by 40%, ensuring stable operation in high-heat scenarios.

  2. Optimal Version Selection:

    • Base Model: Suitable for standard power supplies (e.g., consumer electronics) where cost efficiency is prioritized.
    • Advanced Model: Best for industrial inverters requiring 50V voltage tolerance and moderate thermal load.
    • Pro Model: Tailored for automotive or heavy machinery systems needing 60V ratings and extreme thermal resilience. For instance, its low thermal resistance paired with silicon’s high current capability ensures safe operation in electric vehicle charging systems.

*Pro Model’s current capacity upgrade requires additional heatsinking for sustained performance.

Frequently asked questions

  • Which transistor model is best for high-power integrated circuit applications like power supplies?

  • How do I clean the heat sink of the MBRB1645T4G TO263 transistor?

  • Silicon vs. Other Materials: Why is silicon preferred for the MBRB1645T4G transistor?

  • Can the TO263 package of the MBRB1645T4G be customized for better thermal management?

  • Is the MBRB1645T4G transistor RoHS-compliant and suitable for automotive use?

  • What applications are best suited for the MBRB1645T4G triode’s integrated circuit design?

  • Why choose the TO263 package over other transistor packages for power electronics?

  • How can I extend the lifespan of the MBRB1645T4G in high-current setups?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
High-Power Transistors (TO-252)Industrial power supplies, inverters100A continuous current (JEDEC JESD29-2), 150V max voltage (IEC 60747-14)▲ Industry Standard: Robust heat dissipation via metal tab; handles extreme loadsBulky design; requires additional cooling for sustained high currents
Standard Power Transistors (TO-220)Consumer electronics, motor control50A continuous current (ASTM F1940), 80V max voltage (UL 1557)Cost-effective; widely compatible with PCB layoutsLimited to moderate power applications; slower switching speeds
Surface-Mount Transistors (TO-252)Compact devices, IoT modules80A continuous current (MIL-STD-883), 120V max voltage (IEC 61760)Space-efficient SMD design; reduces assembly costsSensitive to thermal stress; requires precise soldering
Low-Profile Transistors (TO-263)Space-constrained electronics (e.g., drones)60A continuous current (JEDEC JESD29-2), 60V max voltage (ISO/TS 16750-3)▲ Our Advanced: 0.8°C/W thermal resistance (▲20% better than industry standard)Lower voltage/current capacity compared to bulkier packages
High-Frequency Transistors (SOT-23)RF amplifiers, wireless charging3A continuous current (AEC-Q101), 30MHz switching frequency (IEC 60747-14)Ultra-fast switching for high-frequency circuitsInadequate for high-power applications; prone to overheating under load
Thermal-Enhanced Transistors (TO-264)Automotive systems, high-temperature environs120A continuous current (UL 1950), 200V max voltage (ISO 16750-2)▲ Our Base: 1.5°C/W thermal resistance (▲10% over industry baseline)Heavier and costlier; complex integration into compact designs

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