JANSR2N3439U4/TR Overview
The JANSR2N3439U4/TR is a high-performance NPN bipolar junction transistor designed for industrial and automotive applications requiring robust switching and amplification capabilities. With a collector current rating up to 10A and a collector-emitter voltage of 300V, this transistor ensures reliable operation under demanding conditions. It features a TO-220 package that supports efficient thermal management, making it suitable for power regulation and motor control circuits. Engineered for durability and consistency, this component offers excellent gain and switching speed, helping engineers optimize system efficiency and reliability. For detailed technical insights and sourcing, visit IC Manufacturer.
JANSR2N3439U4/TR Key Features
- High Collector Current Capacity: Supports continuous current up to 10A, enabling effective handling of heavy loads and power control tasks.
- High Voltage Tolerance: Withstands collector-emitter voltages up to 300V, suitable for high-voltage switching applications.
- TO-220 Package: Facilitates efficient heat dissipation and easy mounting on heat sinks for enhanced thermal reliability.
- Fast Switching Speed: Enables efficient switching operations, improving performance in pulse and amplifier circuits.
- Stable Gain Characteristics: Provides consistent gain (hFE) across the operating range, ensuring predictable amplification performance.
- Robust Avalanche Energy Rating: Designed to endure inductive load switching, increasing device longevity in motor control and relay driving circuits.
- Industry-Standard Pin Configuration: Simplifies integration into existing circuit designs and facilitates sourcing and replacement.
JANSR2N3439U4/TR Technical Specifications
| Parameter | Value | Unit |
|---|---|---|
| Collector-Emitter Voltage (VCEO) | 300 | V |
| Collector-Base Voltage (VCBO) | 400 | V |
| Emitter-Base Voltage (VEBO) | 5 | V |
| Collector Current (IC) | 10 | A |
| Power Dissipation (Ptot) | 40 | W |
| Gain Bandwidth Product (fT) | 15 | MHz |
| DC Current Gain (hFE) | 15?C40 | (typical) |
| Junction Temperature Range (Tj) | -65 to +150 | ??C |
| Package Type | TO-220 |
JANSR2N3439U4/TR Advantages vs Typical Alternatives
This transistor stands out by combining a high voltage rating with a substantial collector current capability in a compact TO-220 package. Compared to typical alternatives, it offers superior thermal handling and a robust gain profile, contributing to more reliable switching and amplification in industrial power control circuits. Its avalanche energy rating enhances durability under inductive load conditions, making it a preferred choice for applications demanding long-term stability and efficient power management.
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Typical Applications
- Power Switching and Amplification: Ideal for industrial motor drivers and power regulators where high current and voltage handling are critical, ensuring stable operation under load.
- Relay and Solenoid Drivers: Suitable for controlling electromechanical devices requiring fast switching and robust current capacity.
- Audio Amplifiers: Can be used in audio output stages needing linear amplification with reliable gain and thermal characteristics.
- Voltage Regulators: Effective in linear regulator circuits due to its high voltage tolerance and stable gain performance.
JANSR2N3439U4/TR Brand Info
The JANSR2N3439U4/TR is a product designed and manufactured by a reputable semiconductor supplier specializing in power transistors and industrial-grade components. This device adheres to stringent quality and reliability standards, ensuring consistent performance in demanding environments. The ??JAN?? prefix indicates compliance with military and aerospace quality levels, underlining its suitability for applications requiring high reliability and long-term stability.
FAQ
What is the maximum collector current rating for this transistor?
The maximum collector current rating is 10 amperes continuous, allowing it to handle substantial loads in power switching and amplification applications without compromising performance.
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Which package type does this transistor use, and why is it important?
This transistor is housed in a TO-220 package, which is important because it allows for efficient heat dissipation through mounting on heat sinks, improving thermal management and device reliability in high-power environments.
Can this device be used in high-voltage applications?
Yes, it supports a collector-emitter voltage of up to 300 volts, making it suitable for high-voltage switching and control circuits commonly found in industrial and automotive systems.
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What is meant by the avalanche energy rating of this transistor?
The avalanche energy rating refers to the transistor??s ability to withstand energy spikes caused by inductive loads during switching events, protecting it from damage and enhancing durability in motor control and relay driver circuits.
Is the gain of this transistor stable across operating conditions?
Yes, the device offers a typical DC current gain (hFE) range of 15 to 40, providing consistent amplification performance across its rated operating conditions, which is crucial for predictable circuit behavior.







