JANSL2N3440-Transistor Overview
The JANSL2N3440 transistor is a high-power NPN bipolar junction transistor designed for reliable switching and amplification in industrial and electronic circuits. It supports collector currents up to 10A and can handle collector-emitter voltages of 100V, making it suitable for medium to high power applications. With a robust TO-3 package, it ensures efficient heat dissipation and durability under demanding conditions. This transistor offers high gain and fast switching capabilities, ideal for power regulation, motor control, and audio amplification. For detailed sourcing and additional support, visit IC Manufacturer.
JANSL2N3440-Transistor Technical Specifications
| Parameter | Value |
|---|---|
| Transistor Type | NPN Bipolar Junction Transistor (BJT) |
| Collector-Emitter Voltage (VCEO) | 100 V |
| Collector-Base Voltage (VCBO) | 120 V |
| Emitter-Base Voltage (VEBO) | 5 V |
| Collector Current (IC) | 10 A (maximum continuous) |
| Power Dissipation (PD) | 115 W |
| DC Current Gain (hFE) | 30 to 70 (depending on test conditions) |
| Transition Frequency (fT) | ?? 5 MHz |
| Package Type | TO-3 Metal Can |
| Operating Junction Temperature | Up to 200??C |
JANSL2N3440-Transistor Key Features
- High Collector Current Capacity: Supports up to 10A continuous current, enabling efficient handling of power in demanding applications.
- Robust Voltage Ratings: With a collector-emitter voltage rating of 100V, it suits medium voltage circuits requiring reliable switching.
- TO-3 Package for Thermal Efficiency: The metal can package improves heat dissipation, enhancing reliability and longevity under heavy loads.
- Moderate Gain with Fast Switching: DC current gain ranges from 30 to 70, providing balanced amplification performance alongside switching speeds above 5 MHz.
Typical Applications
- Power Amplification in Audio and RF Circuits: Ideal for driving loudspeakers and intermediate RF amplification stages where linearity and power handling are critical.
- Motor Control Circuits: Used in controlling DC motors by managing high current loads efficiently.
- Switching Regulators and Power Supplies: Suitable for high power switching in regulated power supply designs, ensuring stable voltage output.
- Industrial Control Systems: Employed in automation equipment where reliable switching and amplification of control signals are essential.
JANSL2N3440-Transistor Advantages vs Typical Alternatives
This transistor offers superior power handling and voltage endurance compared to standard low-power BJTs, making it a robust choice for industrial and high-current applications. Its metal TO-3 package ensures better heat management, reducing thermal stress and improving operational reliability. The combination of high collector current capacity and moderate gain yields efficient performance in switching and amplification tasks, setting it apart from typical alternatives in similar power categories.
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JANSL2N3440-Transistor Brand Info
The 2N3440 transistor is a widely recognized device originally developed and popularized by major semiconductor manufacturers such as Fairchild Semiconductor and Texas Instruments. The JANSL2N3440 is a variant typically offered by authorized distributors and IC manufacturers, maintaining the same robust specifications and reliability standards. Its legacy in industrial electronics is well-established, and it remains a trusted component for engineers requiring dependable power transistors in legacy and modern designs.
FAQ
What is the maximum collector current rating of this transistor?
The maximum continuous collector current rating is 10 amperes, enabling it to handle substantial power loads in switching and amplification applications without damage when operated within specified limits.
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What type of package does this transistor use and why is it important?
This transistor is housed in a TO-3 metal can package, which provides excellent heat dissipation capabilities. This packaging is crucial for maintaining






