MMBT3904
Manufacturer: NTE Electronics
Part Number: MMBT3904
| Attribute | Value |
| cate_name | Bipolar Transistors (BJT) |
| rohs | Compliance |
| reference_package | SOT-23-3 |
| mounting | SMD mount |
| application_level | Industrial |
| lifecycle | On sale |
| spm | Bagged |
| min_operating_temperature | -55℃(TJ) |
| max_operating_temperature | 150℃(TJ) |
| length_width_height | |
| collector_current | 200mA |
| collector_emitter_voltage_max | 40V |
| configure | - |
| max_collector_base_voltage | 60V |
| max_collector_cut_off_current | 100nA |
| max_collector_emitter_saturation_voltage | 0.3@ 5mA,50mA |
| max_emitter_base_voltage | 6V |
| max_power_dissipation | 200mW |
| transistor_type | NPN |
| vce_max_saturation_value_at_different_ib_ic | 300mV |
Overview:
The NTE Electronics MMBT3904 is a high-performance NPN bipolar junction transistor (BJT) designed for a wide range of applications that require robust and reliable switching or amplification capabilities. Manufactured by NTE Electronics, a reputable brand in the semiconductor industry, this transistor is known for its excellent electrical characteristics and compatibility with various electronic circuits.
Features:
1. High Current Gain: The MMBT3904 boasts a high current gain (hFE), making it suitable for applications that require significant amplification of input signals.
2. Robust Construction: With a TO-92 package, this transistor offers a compact and robust design that can withstand the rigors of various operating environments.
3. Wide Operating Voltage Range: Capable of operating across a broad voltage spectrum, the MMBT3904 is versatile for different circuit configurations.
4. High-Speed Switching: Designed for high-speed switching applications, it can handle fast changes in input signals without significant delay.
5. Low Noise Operation: The MMBT3904 is engineered to minimize noise, making it ideal for sensitive audio applications or where signal clarity is paramount.
Development Support:
NTE Electronics provides comprehensive datasheets and technical support to assist developers in integrating the MMBT3904 into their projects. This includes detailed electrical characteristics, thermal data, and mechanical drawings to ensure proper design and implementation.
Application Fields:
The MMBT3904 finds its place in a variety of applications due to its versatility:
- Audio Amplifiers: For amplifying audio signals in speakers and headphones.
- Switching Regulators: In power supply circuits for efficient voltage regulation.
- Motor Control: To control the speed and direction of DC motors in various devices.
- Signal Processing: In circuits that require signal conditioning or amplification before further processing.
Parameter Introduction:
- Collector-Emitter Voltage (Vce): The maximum voltage that can be applied across the collector and emitter.
- Collector Current (Ic): The maximum current that the transistor can handle through the collector.
- Power Dissipation (Pd): The maximum power that the transistor can dissipate without overheating.
- Gain (hFE): The current gain of the transistor, indicating how much current is amplified from base to collector.
- Switching Time: The time it takes for the transistor to switch from an off state to an on state and vice versa.
Frequently Asked Questions (FAQs):
1. Q: What is the MMBT3904's main function?
A: The MMBT3904 is primarily used for switching and amplification in various electronic circuits.
2. Q: Is the MMBT3904 suitable for high-power applications?
A: While it can handle a reasonable amount of power, it is more suited for medium to low-power applications. Check the datasheet for specific power dissipation ratings.
3. Q: Can I use the MMBT3904 in place of other NPN transistors?
A: It can be used as a substitute for other NPN transistors with similar characteristics, but always verify the electrical specifications to ensure compatibility.
4. Q: How do I ensure proper heat dissipation for the MMBT3904?
A: Ensure that the transistor is mounted on a suitable heat sink if operating near its power dissipation limits, and maintain good airflow around the device.
5. Q: What is the typical operating temperature range for the MMBT3904?
A: Refer to the datasheet for the specific temperature range within which the MMBT3904 is designed to operate.
For a complete understanding of the MMBT3904, including detailed specifications, design considerations, and application notes, developers should refer to the official datasheet provided by NTE Electronics.
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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