2N3743-Transistor Overview
The 2N3743 is a high-performance NPN silicon planar transistor designed for general-purpose amplification and switching applications. It offers a robust collector current rating of up to 5 A, making it suitable for medium-power electronic circuits. Featuring a maximum collector-emitter voltage of 60 V and a power dissipation capacity of 30 W, this transistor supports reliable operation under demanding conditions. Its low saturation voltage and high gain characteristics enable efficient signal amplification with minimal power loss. This device is widely utilized in industrial, audio, and power control circuits, making it a versatile choice for engineers and sourcing specialists seeking reliable transistor solutions. For detailed sourcing and technical support, visit IC Manufacturer.
2N3743-Transistor Key Features
- High Collector Current Capacity: Supports up to 5 A collector current, enabling effective control of medium-power loads without overheating.
- Voltage Tolerance: Can withstand collector-emitter voltages up to 60 V, ensuring durability in various circuit designs.
- Power Dissipation: Rated for 30 W maximum power dissipation, contributing to robust thermal management and system reliability.
- Low Saturation Voltage: Minimizes voltage drop during conduction, improving overall circuit efficiency and reducing heat generation.
2N3743-Transistor Technical Specifications
| Parameter | Specification |
|---|---|
| Transistor Type | NPN Silicon Planar |
| Collector-Emitter Voltage (VCEO) | 60 V |
| Collector Current (IC) | 5 A |
| Power Dissipation (Ptot) | 30 W |
| Gain Bandwidth Product (fT) | 50 MHz |
| DC Current Gain (hFE) | 40 to 160 |
| Collector-Base Voltage (VCBO) | 100 V |
| Emitter-Base Voltage (VEBO) | 5 V |
| Package Type | TO-220 |
2N3743-Transistor Advantages vs Typical Alternatives
This transistor offers a balanced combination of high collector current capability and voltage tolerance, outperforming many typical alternatives in power handling and thermal stability. Its low saturation voltage enhances efficiency in switching applications, while the broad gain range ensures flexible amplification. These characteristics make it a reliable choice for engineers seeking consistent performance in medium-power industrial and consumer electronics.
🔥 Best-Selling Products
-
Texas Instruments BQ24075 Linear Battery Charger IC – 5mm x 4mm QFN Package
-
Texas Instruments INA219 Current Sensor Module – SOIC Package, Precision Monitoring
-
Texas Instruments LM4041 Precision Voltage Reference – SOT-23 Package
-
Texas Instruments OPA2134 Audio Op Amp – Dual, High-Performance, SOIC-8 Package
Typical Applications
- Power Amplifiers: Ideal for audio and signal amplification circuits requiring reliable medium-power transistor operation with minimal distortion and heat dissipation.
- Switching Regulators: Used in DC-DC converters and power control circuits to efficiently switch loads while maintaining thermal stability.
- Motor Control Circuits: Suitable for driving motors in industrial automation due to its high current handling and voltage tolerance.
- General-Purpose Switching: Effective for switching loads in various electronic devices, ensuring durability and consistent performance under different operating conditions.
2N3743-Transistor Brand Info
The 2N3743 transistor is a widely recognized component available from multiple semiconductor manufacturers known for quality and reliability. This transistor is typically provided in a TO-220 package, facilitating efficient heat dissipation and ease of mounting in industrial assemblies. Its broad availability and compliance with industry standards make it a preferred choice for engineers requiring dependable medium-power transistors for both new designs and replacement applications.
FAQ
What is the maximum collector current rating of this transistor?
The transistor is rated for a maximum continuous collector current of 5 A. This rating allows it to handle medium-power loads effectively without risk of thermal damage when operated within specified limits.
🌟 Featured Products
-
“Buy MAX9312ECJ+ Precision Voltage Comparator in DIP Package for Reliable Performance”
-
QCC-711-1-MQFN48C-TR-03-1 Bluetooth Audio SoC with MQFN48C Package
-
0339-671-TLM-E Model – High-Performance TLM-E Package for Enhanced Functionality
-
1-1415898-4 Connector Housing, Electrical Wire-to-Board, Receptacle, Packaged
Can this transistor be used in high-frequency applications?
With a gain bandwidth product of approximately 50 MHz, this device is suitable for a range of medium-frequency applications, including audio frequency amplification and moderate-speed switching circuits.
What are the thermal management requirements for this transistor?
Given its maximum power dissipation of 30 W and TO-220 package, proper heat sinking is essential to maintain junction temperature within safe operating limits during high-current or continuous operation.
📩 Contact Us
Is the 2N3743 suitable for switching applications?
Yes, its low saturation voltage and high current capacity make it well-suited for switching tasks such as motor control or power supply regulation where efficient conduction and rapid switching are necessary.
What voltage levels can this transistor tolerate on its terminals?
The transistor supports a maximum collector-emitter voltage of 60 V, a collector-base voltage of 100 V, and an emitter-base voltage of 5 V, allowing it to be used in circuits with moderate voltage requirements.
