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2SD331
2SD331 is a silicon NPN epitaxial transistor designed for general-purpose amplifier applications.2SD331
2SD331 is a silicon NPN epitaxial transistor designed for general-purpose amplifier applications.
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2SD331 DataSheet
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Details
2SD331 is a high voltage NPN transistor that is commonly used in audio amplification and power switching applications. It has a maximum collector current of 1.5A and a maximum collector-base voltage of 400V, making it suitable for medium power applications. The transistor has a low saturation voltage and high current gain, making it efficient and reliable in various circuit designs. With a transition frequency of 10 MHz, it is capable of handling higher frequency signals as well. 2SD331 comes in a TO-220 package, which provides good thermal conductivity and allows for easy mounting on a heat sink for improved heat dissipation. This package also makes it easy to handle and solder the transistor onto a PCB.
Key Features
- Small signal transistor
- PNP epitaxial silicon transistor
- Low collector-emitter saturation voltage
- High DC current gain
- Low noise figure
- Low leakage current
- High transition frequency
- Suitable for audio amplifier circuits
- Complementary to 2SB471
- Package: TO-92
Application
- General purpose switching and amplification in electronic circuits
- Audio amplification in audio equipment and amplifiers
- Driver circuits in motor control applications
- Power supply control in electronic devices
- Lighting control in LED displays and lighting systems
- Sensor amplification in electronic sensors and detectors
- Signal amplification in communication systems
- Battery management in portable electronic devices
- Voltage regulation in power management circuits
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Rohs Code | No | Part Life Cycle Code | Transferred |
| Reach Compliance Code | ECCN Code | EAR99 | |
| Collector Current-Max (IC) | 2 A | Configuration | Single |
| DC Current Gain-Min (hFE) | 40 | JESD-609 Code | e0 |
| Operating Temperature-Max | 140 °C | Polarity/Channel Type | NPN |
| Power Dissipation-Max (Abs) | 20 W | Surface Mount ! | NO |
| Terminal Finish | Tin/Lead (Sn/Pb) | Transition Frequency-Nom (fT) | 8 MHz |
Specification Comparison
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
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