MJE340 TO-126 KSE340 TO126 Plastic NPN Transistor

MJE340 TO-126 KSE340 TO126 Plastic NPN Transistorترانزستور NPN بلاستيكي MJE340 TO-126 KSE340 TO126Meta Description of MJE340 TO-126 KSE340 TO126 Plastic NPN TransistorThe MJE340 / KSE340 is a high-voltage, low-current NPN transistor housed in a compact TO-126 plastic package, designed for general-purpose amplification and switching applications. Offering a collector-emitter voltage of up to 300V, it is ideal for high-voltage low-current circuits, driver stages, and electronic control systems. With its robust design, low leakage, and reliable thermal performance, this transistor is a dependable choice for industrial, consumer, and automotive electronics.Overview of MJE340 TO-126 KSE340 TO126 Plastic NPN TransistorThe MJE340 (ON Semiconductor, Fairchild) and KSE340 (Fairchild/other brands) are equivalent high-voltage NPN transistors built to handle moderate current levels while maintaining excellent stability and low saturation voltages. Packaged in TO-126, they are optimized for compact designs without compromising thermal dissipation, making them a go-to choice for engineers working with linear amplifiers, signal switching, and high-voltage driver circuits.Uses of MJE340 TO-126 KSE340 TO126 Plastic NPN TransistorAudio Amplifiers – Used in the driver stages of Class A, AB, or B audio amplifiers where high-voltage capability is essential.Voltage Regulation – Acts as a pass transistor in regulated power supply circuits.High-Voltage Switching – Suitable for switching loads in circuits requiring up to 300V handling capability.Signal Amplification – Ideal for general-purpose signal amplification in analog and digital circuits.Motor Control Circuits – Works in small DC motor driver applications where moderate current and high voltage are involved.Oscillator and Timer Circuits – Used in high-voltage timing and waveform generation circuits.Relay Drivers – Efficiently drives relay coils in control circuits without the need for additional high-voltage components.Telecommunication Equipment – Supports high-voltage signal processing in telecom switching equipment.Consumer Electronics – Applied in television circuits, display drivers, and lighting control systems.Industrial Control Systems – Suitable for control modules, interface circuits, and industrial automation electronics.Key Features of MJE340 TO-126 KSE340 TO126 Plastic NPN TransistorHigh Voltage Rating of MJE340 TO-126 KSE340 TO126 Plastic NPN Transistor –Collector-Emitter Voltage (V_CEO): 300VCollector-Base Voltage (V_CBO): 300VIdeal for high-voltage applications without requiring multiple series transistors.Moderate Current Capability of MJE340 TO-126 KSE340 TO126 Plastic NPN Transistor –Collector Current (I_C): up to 0.5A continuousSuitable for driver and intermediate stages rather than high-power final stages.Compact TO-126 Package of MJE340 TO-126 KSE340 TO126 Plastic NPN Transistor –Provides excellent heat dissipation for its size.Easy to mount with or without a heatsink.Low Saturation Voltage –Ensures efficient switching with minimal power loss.Reduces heating and improves circuit efficiency.Good Gain Characteristics –DC Current Gain (h_FE): 40 to 240 (depending on current level)Suitable for both switching and amplification.Thermal Stability –Designed to maintain performance in a wide temperature range (up to 150°C junction temperature).Reliable in industrial and automotive environments.Plastic Encapsulation –Insulated case reduces the risk of short circuits.Provides protection against moisture and environmental factors.Wide Application Range –From consumer electronics to industrial automation.Supports both AC and DC circuit designs.Complementary Pair Availability –Often paired with MJE350 / KSE350 (PNP) for push-pull amplifier configurations.Globally Available Equivalent –Cross-compatible with various brands and markings for easy sourcing.Why Choose MJE340 TO-126 KSE340 TO126 Plastic NPN Transistor?The MJE340 / KSE340 offers the perfect balance between high-voltage capability, reliability, and compact size, making it ideal for engineers and hobbyists alike. Its TO-126 plastic package ensures durability and ease of integration, while the 300V rating provides flexibility for use in demanding high-voltage circuits. Whether for audio applications, switching devices, or control systems, this transistor is a cost-effective, versatile, and proven solution trusted in the electronics industry.Please confirm the status of a product before making a payment, follow these steps:Review the Product Information: Carefully read through the product details on the website or listing. This includes the product name, description, price, and any specifications or features. Make sure it matches what you intend to purchase.Check Availability: Verify if the product is in stock and available for purchase. 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This includes emails, receipts, and order confirmations.informed about the product’s status and can make a secure and informed payment.Feel Free to contact us: https://sg966.com/contact-2/Check out more similar products: Similar ProductsHow to use: Click HereTable of Content1 MJE340 TO-126 KSE340 TO126 Plastic NPN Transistor1.1 ترانزستور NPN بلاستيكي MJE340 TO-126 KSE340 TO1261.2 Meta Description of MJE340 TO-126 KSE340 TO126 Plastic NPN Transistor1.3 Overview of MJE340 TO-126 KSE340 TO126 Plastic NPN Transistor1.4 Uses of MJE340 TO-126 KSE340 TO126 Plastic NPN Transistor1.5 Key Features of MJE340 TO-126 KSE340 TO126 Plastic NPN Transistor1.6 Why Choose MJE340 TO-126 KSE340 TO126 Plastic NPN Transistor?1.6.0.1 Please confirm the status of a product before making a payment, follow these steps: