2N3440UA-Transistor Overview
The 2N3440UA is a high-performance NPN silicon transistor designed for medium-power amplification and switching applications. Engineered to deliver reliable operation within its specified voltage and current ratings, this device offers robust gain characteristics and stable operation at frequencies suitable for audio and low-frequency switching circuits. Its durable TO-18 metal can package ensures excellent thermal dissipation and mechanical strength, making it ideal for industrial electronics and control systems. Sourcing this transistor from a trusted IC Manufacturer guarantees quality and consistency for demanding engineering projects.
2N3440UA-Transistor Technical Specifications
| Parameter | Specification |
|---|---|
| Type | NPN Silicon Transistor |
| Collector-Emitter Voltage (VCEO) | 30 V |
| Collector Current (IC) | 0.5 A (maximum) |
| Power Dissipation (PD) | 0.8 W |
| Gain Bandwidth Product (fT) | 100 MHz (typical) |
| DC Current Gain (hFE) | 100 to 300 |
| Transition Frequency | 100 MHz |
| Package Type | TO-18 Metal Can |
2N3440UA-Transistor Key Features
- High Gain Stability: Offers a consistent DC current gain between 100 and 300, ensuring predictable amplification across various operating conditions.
- Medium Power Handling: Supports collector currents up to 0.5 A and power dissipation up to 0.8 W, enabling efficient use in moderate power switching circuits.
- Wide Frequency Response: The 100 MHz transition frequency supports diverse applications including audio amplification and low to mid-frequency switching.
- Robust TO-18 Packaging: The metal can package enhances thermal management and mechanical durability, improving reliability in industrial environments.
Typical Applications
- Signal amplification in industrial control systems, where medium power and stable gain are critical for accurate signal processing.
- Switching applications in low-voltage relay drivers requiring reliable transistor switching performance.
- Audio preamplifier stages benefiting from its high gain and low noise characteristics.
- General purpose amplification and switching in electronic instrumentation and test equipment.
2N3440UA-Transistor Advantages vs Typical Alternatives
This transistor offers a balanced combination of moderate voltage and current ratings with a high gain bandwidth product, making it a versatile choice compared to typical low-power transistors. Its TO-18 metal can packaging provides superior thermal dissipation and mechanical durability, enhancing reliability in demanding industrial applications. The device??s stable gain and frequency response ensure precise amplification and efficient switching, positioning it as a cost-effective alternative in medium power transistor applications.
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2N3440UA-Transistor Brand Info
The 2N3440UA transistor is manufactured by reputable semiconductor producers specializing in discrete bipolar junction transistors for industrial and commercial electronics. This product is widely recognized for its consistent performance and adherence to industry standards. Its availability from established suppliers ensures traceability and quality assurance, making it a dependable choice for engineers and sourcing specialists designing or refurbishing industrial electronic systems.
FAQ
What is the maximum collector current rating for the 2N3440UA transistor?
The maximum collector current for this transistor is rated at 0.5 amperes. Exceeding this limit may cause permanent damage to the device or reduce its operational lifespan.
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Can the 2N3440UA be used for high-frequency amplification?
Yes, the device features a transition frequency of approximately 100 MHz, which supports amplification in audio and low to mid-frequency applications, but it is not optimized for very high-frequency RF circuits.
What package type does the 2N3440UA come in?
This transistor is housed in a TO-18 metal can package. This packaging type provides excellent thermal conductivity and mechanical







