2N497S-Transistor Overview
The 2N497S transistor is a high-performance silicon NPN bipolar junction transistor designed for low noise and medium power amplification applications. It offers reliable operation with a maximum collector current suitable for a broad range of analog and switching circuits. Engineered for industrial and commercial use, this transistor is optimized for high gain and stable operation across various environmental conditions. Its robust electrical characteristics make it ideal for use in signal processing, amplification, and switching tasks. For detailed sourcing and technical support, visit IC Manufacturer.
2N497S-Transistor Technical Specifications
| Parameter | Specification |
|---|---|
| Transistor Type | NPN Bipolar Junction |
| Collector-Emitter Voltage (VCEO) | 40 V |
| Collector-Base Voltage (VCBO) | 60 V |
| Emitter-Base Voltage (VEBO) | 5 V |
| Collector Current (IC) | 100 mA |
| Power Dissipation (Ptot) | 400 mW |
| DC Current Gain (hFE) | 100 to 300 |
| Transition Frequency (fT) | 100 MHz |
| Package Type | TO-18 Metal Can |
2N497S-Transistor Key Features
- High Current Gain: Enables efficient amplification with gain values typically ranging from 100 to 300, enhancing signal integrity in low-noise circuits.
- Medium Power Capability: Supports collector currents up to 100 mA and power dissipation of 400 mW, making it suitable for moderate power handling requirements.
- Low Noise Performance: Designed for minimal noise generation, critical for signal processing in audio and RF applications.
- Wide Frequency Response: Transition frequency of 100 MHz allows for use in high-frequency amplification and switching tasks.
Typical Applications
- Low noise audio amplifiers requiring stable gain and minimal distortion across the audio frequency spectrum.
- Radio frequency (RF) amplification circuits where reliability and frequency response are essential.
- Switching circuits in industrial automation systems that demand medium power handling and quick response times.
- Signal processing modules in instrumentation and measurement equipment, benefiting from the transistor’s high gain and low noise.
2N497S-Transistor Advantages vs Typical Alternatives
This transistor offers a balanced combination of moderate power handling and high current gain, making it preferable to alternatives that might sacrifice gain for power or vice versa. Its low noise performance and wide frequency response provide enhanced sensitivity and accuracy in amplification tasks. Additionally, the robust TO-18 metal can package ensures improved thermal dissipation and reliability compared to plastic encapsulated devices. This makes it a strong choice for industrial and precision applications where both performance and durability are critical.
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2N497S-Transistor Brand Info
The 2N497S transistor is a legacy product originally introduced by prominent semiconductor manufacturers specializing in bipolar junction transistors. It has been widely adopted in industrial electronics due to its reliable performance and well-characterized electrical parameters. Known for consistent quality, the device is still available from various IC manufacturers and distributors who maintain production or supply through second sources. Its established presence in the market ensures broad technical support and availability for engineers and sourcing specialists.
FAQ
What is the maximum collector current for the 2N497S transistor?
The maximum collector current for this transistor is rated at 100 mA, making it suitable for medium power applications requiring moderate current flow without compromising device reliability.
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Can the 2N497S be used in high-frequency circuits?
Yes, with a transition frequency (fT) of approximately 100 MHz, this transistor is well-suited for high-frequency amplification and switching circuits, including







