2N5151-Transistor Overview
The 2N5151 transistor is a high-voltage NPN bipolar junction transistor designed for medium-power amplifier and switching applications. Featuring a maximum collector-to-emitter voltage of 100V and a collector current rating of up to 500mA, it is well-suited for circuits requiring reliable performance under elevated voltage conditions. Its complementary low-noise characteristics and robust power handling make it ideal for audio frequency amplification and general-purpose switching tasks. Engineers and sourcing specialists can trust this transistor for consistent operation in industrial and consumer electronics designs. For detailed specifications and sourcing, visit IC Manufacturer.
2N5151-Transistor Key Features
- High voltage rating: Supports up to 100V collector-to-emitter voltage, enabling use in circuits with elevated voltage demands.
- Moderate collector current capacity: Handles continuous collector current up to 500mA, ensuring suitability for medium-power applications.
- Low noise performance: Ideal for audio frequency amplification where signal clarity is critical.
- Robust power dissipation: Maximum power dissipation of 625mW allows reliable operation without excessive thermal management.
2N5151-Transistor Technical Specifications
| Parameter | Value | Unit |
|---|---|---|
| Collector-Emitter Voltage (VCEO) | 100 | V |
| Collector-Base Voltage (VCBO) | 100 | V |
| Emitter-Base Voltage (VEBO) | 5 | V |
| Collector Current (IC) | 500 | mA |
| Power Dissipation (PD) | 625 | mW |
| DC Current Gain (hFE) | 40 to 300 | ?? |
| Transition Frequency (fT) | 30 | MHz |
| Operating Junction Temperature (TJ) | +150 | ??C |
2N5151-Transistor Advantages vs Typical Alternatives
This transistor offers a high voltage rating and moderate current handling that surpass many general-purpose alternatives. Its low noise characteristics improve audio amplification quality, while its robust power dissipation enhances reliability in demanding environments. Compared to typical low-voltage transistors, it provides increased operating headroom and stable performance, making it a preferred choice for industrial and audio amplifier designs requiring a balance of sensitivity and power capacity.
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Typical Applications
- Audio frequency preamplifiers and driver stages where low noise and moderate power handling are essential for clear sound reproduction.
- Switching circuits in industrial control systems requiring reliable operation at higher voltages.
- Signal amplification in instrumentation and measurement devices needing precision and stability.
- General-purpose medium power amplification tasks in consumer electronics and communication equipment.
2N5151-Transistor Brand Info
The 2N5151 transistor is a widely recognized discrete component used across various semiconductor manufacturers. It is produced following established industry standards to ensure consistent performance and reliability. The device is typically housed in a TO-18 metal can package, providing excellent thermal conduction and mechanical durability. Its proven design has made it a staple in many electronic component portfolios, trusted by engineers for decades in both prototyping and production environments.
FAQ
What is the maximum voltage rating for the 2N5151 transistor?
The maximum collector-to-emitter voltage (VCEO) for this transistor is 100 volts. This high voltage rating allows it to be used safely in circuits operating at elevated voltages without risk of breakdown, making it suitable for a variety of industrial and audio applications.
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Can this transistor be used for audio amplification?
Yes, the 2N5151 transistor is well-suited for audio frequency amplification. Its low noise characteristics help maintain signal integrity, making it a good choice for preamplifier and driver stage circuits in audio equipment.
What is the maximum collector current this device can handle?
The transistor supports a continuous collector current of up to 500mA, which is sufficient for many medium-power applications including switching and amplification tasks.
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What package type does the 2N5151 come in?
This transistor is commonly supplied in a TO-18 metal can package, which provides excellent thermal performance and mechanical robustness, beneficial for reliable operation in various environments.
How does the power dissipation rating affect circuit design?
The maximum power dissipation of 625mW means the transistor can safely dissipate this amount of power without overheating under proper thermal management. Designers should consider this rating to ensure the device remains within safe operating limits under expected load conditions.







