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MMDT3946-7
Product Category
The MMDT3946-7 belongs to the category of dual NPN/PNP digital transistors.
Basic Information Overview
- Use: The MMDT3946-7 is used as a general-purpose amplifier and switch.
- Characteristics: It features high current and low voltage operation, making it suitable for various applications.
- Package: The MMDT3946-7 comes in a small SOT363 package.
- Essence: This transistor is essential for amplifying and switching electronic signals.
- Packaging/Quantity: It is typically available in reels with a quantity of 3000 units per reel.
Specifications
- Type: Dual NPN/PNP
- Maximum Voltage: 32V
- Maximum Current: 100mA
- Transition Frequency: 100MHz
Detailed Pin Configuration
The MMDT3946-7 has six pins arranged in a specific configuration:
1. Pin 1: NPN Base
2. Pin 2: NPN Emitter
3. Pin 3: PNP Base
4. Pin 4: PNP Emitter
5. Pin 5: NPN Collector/ PNP Collector
6. Pin 6: PNP Collector/ NPN Collector
Functional Features
- Dual Transistor: The MMDT3946-7 integrates both NPN and PNP transistors in a single package, providing design flexibility.
- High Transition Frequency: With a transition frequency of 100MHz, it can handle high-frequency signals effectively.
Advantages and Disadvantages
- Advantages:
- Compact package
- High transition frequency
- Dual NPN/PNP configuration
- Disadvantages:
- Limited maximum voltage and current ratings
Working Principles
The MMDT3946-7 operates based on the principles of bipolar junction transistors, utilizing NPN and PNP configurations to amplify or switch electronic signals.
Detailed Application Field Plans
The MMDT3946-7 finds application in various fields including:
- Audio amplification circuits
- Signal switching circuits
- Oscillator circuits
- RF amplifiers
Detailed and Complete Alternative Models
Some alternative models to MMDT3946-7 include:
- MMDT2222A-7-F (NPN)
- MMDT2907A-7-F (PNP)
- MMDT4401-7-F (NPN)
- MMDT5401-7-F (PNP)
This comprehensive range of alternatives provides designers with options based on specific application requirements.
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What is MMDT3946-7?
- MMDT3946-7 is a dual NPN/PNP digital transistor used for high-speed switching applications.
What are the typical applications of MMDT3946-7?
- It is commonly used in level shifting, signal inversion, and general purpose switching applications.
What is the maximum collector current of MMDT3946-7?
- The maximum collector current is 100mA per channel.
What is the voltage rating of MMDT3946-7?
- The maximum voltage rating is 50V.
Can MMDT3946-7 be used for driving LEDs?
- Yes, it can be used to drive LEDs and other low-power loads.
What is the typical input capacitance of MMDT3946-7?
- The typical input capacitance is 8pF.
Is MMDT3946-7 suitable for high-frequency applications?
- Yes, it is designed for high-speed switching and is suitable for high-frequency applications.
What is the thermal resistance of MMDT3946-7?
- The thermal resistance from junction to ambient is 357°C/W.
Can MMDT3946-7 be used in automotive applications?
- Yes, it is AEC-Q101 qualified, making it suitable for automotive applications.
Are there any specific layout considerations for using MMDT3946-7?
- It is recommended to minimize trace lengths and keep input and output traces separate to reduce crosstalk and interference.