2N3906
Manufacturer: NTE Electronics
Part Number: 2N3906
| Attribute | Value |
| cate_name | Bipolar Transistors (BJT) |
| Datasheet | 2N3906 NTE Electronics |
| rohs | Compliance |
| reference_package | TO-92 |
| mounting | Through hole mounting |
| application_level | |
| lifecycle | On sale |
| spm | Bagged |
| min_operating_temperature | 150℃(TJ) |
| max_operating_temperature | 150℃(TJ) |
| length | 5.2mm(Max) |
| width | 4.2mm(Max) |
| height | 5.33mm(Max) |
| collector_current | 200mA |
| collector_emitter_voltage_max | 40V |
| configure | pnp |
| max_collector_base_voltage | 40V |
| max_collector_cut_off_current | - |
| max_collector_emitter_saturation_voltage | 0.4@ 5mA,50mA |
| max_emitter_base_voltage | 5V |
| max_power_dissipation | 625mW |
| transistor_type | PNP |
| vce_max_saturation_value_at_different_ib_ic | - |
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Overview:
The NTE Electronics 2N3906 is a popular and widely used NPN bipolar junction transistor (BJT). It is known for its reliability and versatility, making it suitable for a variety of applications in electronic circuits. This small signal transistor is often used in general-purpose amplifiers and switches.
Features:
- NPN Silicon Transistor
- Wide operating current range
- High current gain (hFE)
- Suitable for low-power amplifiers and switches
- Robust design for reliable performance
Development Support:
NTE Electronics provides comprehensive datasheets and application notes for the 2N3906, which are invaluable resources for engineers and hobbyists alike. These documents offer detailed information on the transistor's electrical characteristics, ensuring that it can be integrated effectively into new designs.
Application Fields:
- General-purpose amplifiers
- Switching applications
- Digital and analog circuits
- Audio amplifiers
- Signal processing
Parameter Introduction:
- Collector-Emitter Voltage (Vce): 40V
- Collector Current (Ic): Continuous - 200mA, Pulsed - 1A
- Current Gain (hFE): Min 100, Max 300 (typical)
- Transition Frequency (ft): 300MHz
- Storage Temperature: -65°C to +150°C
- Operating Junction Temperature: -55°C to +150°C
Frequently Asked Questions (FAQs):
1. Q: What is the main difference between the 2N3906 and a PNP transistor?
A: The 2N3906 is an NPN transistor, which means it allows current flow from the collector to the emitter when the base-emitter junction is forward-biased. A PNP transistor operates in the opposite manner, allowing current flow from the emitter to the collector when the base-emitter junction is forward-biased.
2. Q: Can the 2N3906 be used in high-power applications?
A: While the 2N3906 is not designed for high-power applications, it can handle moderate power levels within its specified limits. For high-power applications, a transistor with higher current and voltage ratings would be more appropriate.
3. Q: How can I determine the correct base resistor value for the 2N3906 in a switch circuit?
A: The base resistor value for a transistor in a switch circuit can be calculated using Ohm's Law and the transistor's hFE (current gain). A common formula is Rb = (Vcc - Vbe) / (Ib hFE), where Vcc is the supply voltage, Vbe is the base-emitter voltage (typically around 0.7V), Ib is the base current, and hFE is the current gain.
4. Q: Is the 2N3906 suitable for use in a Darlington configuration?
A: Yes, the 2N3906 can be used in a Darlington configuration to achieve higher current gain. However, it's important to note that the transition frequency (ft) will be lower in a Darlington pair, which may affect high-frequency applications.
5. Q: How can I protect the 2N3906 from thermal damage?
A: To protect the 2N3906 from thermal damage, ensure that it is adequately heatsinked if operating near its maximum power dissipation. Additionally, using a current-limiting resistor in the base circuit can prevent excessive current flow that could lead to overheating.
6. Q: What is the typical application for the 2N3906 in an audio amplifier?
A: In an audio amplifier, the 2N3906 can be used as a preamplifier stage, where it amplifies the input signal before it is passed on to a power amplifier stage. Its high current gain and moderate power handling make it suitable for this application.
7. Q: Can I use the 2N3906 in place of a 2N3904?
A: The 2N3906 and 2N3904 are both NPN transistors, but they have different electrical characteristics. While they may be used interchangeably in some low-voltage, low-current applications, it's important to check the specific requirements of your circuit to ensure compatibility.
8. Q: How do I identify the pins of the 2N3906?
A: The pins of the 2N3906 are typically identified as follows: the emitter (E) is usually the pin closest to the flat side of the package, the base (B) is in the middle, and the collector (C) is the pin farthest from the flat side.
9. Q: What is the maximum power dissipation of the
Please refer to the product rule book for details.
The company's extensive product line includes semiconductors such as diodes, rectifiers, transistors, and integrated circuits; passive components like capacitors, resistors, and inductors; and a variety of other electronic components such as switches, relays, and connectors. NTE Electronics is particularly renowned for its comprehensive selection of replacement parts, making it a go-to source for hard-to-find components for repair and maintenance purposes.
NTE Electronics is committed to quality and reliability. To ensure that its products meet stringent quality standards, NTE Electronics operates with rigorous testing and quality control procedures. This commitment is underscored by its certifications, which include ISO 9001:2015 for its quality management systems, demonstrating its dedication to continuous improvement and customer satisfaction.
Innovation is at the heart of NTE Electronics' operations. The company invests heavily in research and development to stay at the forefront of technological advancements. This focus on innovation enables NTE Electronics to regularly introduce new and improved products, ensuring that they meet the evolving needs of their customers.
Customer service is another pillar on which NTE Electronics builds its reputation. The company prides itself on providing exceptional support, from technical assistance to customer service, ensuring that clients have the information and products they need to succeed. NTE Electronics' extensive distribution network ensures timely delivery of products across the globe, enhancing its ability to serve customers efficiently and effectively.
Furthermore, NTE Electronics is dedicated to sustainability and environmental responsibility. The company adheres to environmental regulations and strives to minimize its ecological footprint by promoting the recycling of electronic components and reducing waste throughout its operations.
In conclusion, NTE Electronics stands as a leader in the electronic component industry, driven by its commitment to quality, innovation, and customer service. With over four decades of experience, NTE Electronics continues to serve the needs of its global customer base, delivering reliable products and solutions that power a wide range of electronic applications. Whether for a complex industrial system or a simple consumer device, NTE Electronics remains a trusted partner in the electronics sector.
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