仕様
| 属性 | 値 |
| Package / Case | Bulk |
| Part Status | Obsolete |
| Transistor Type | PNP |
| Current - Collector(Ic)(Max) | 600 mA |
| Voltage - Collector Emitter Breakdown(Max) | 60 V |
| Vce Saturation(Max) @ Ib Ic | 1.6V @ 50mA, 500mA |
| Current - Collector Cutoff(Max) | 10nA (ICBO) |
| DC Current Gain(h FE)(Min) @ Ic Vce | 100 @ 150mA, 10V |
| Power - Max | 400 mW |
| Frequency - Transition | 200MHz |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| Mounting Type | Through Hole |
概要
Description
The 2N2907A is a popular PNP bipolar junction transistor (BJT) used in various electronic applications. Known for its versatility, it is widely utilized in amplification and switching tasks. The transistor is characterized by its ability to handle up to 600 mA of current and a maximum voltage of 60V. Its package is typically TO-18, a metal can, providing robustness and efficient heat dissipation.
As a PNP transistor, the 2N2907A allows current to flow from the emitter to the collector when a low voltage is applied to the base relative to the emitter. It is often employed in analog circuits, such as audio amplifiers and signal processing, as well as digital switches. The device's gain, or beta, generally ranges from 100 to 300, providing a good balance between current amplification and control ability.
In summary, the 2N2907A is a reliable and widely-used PNP transistor offering moderate current and voltage capacity, making it suitable for a variety of applications in both hobbyist and professional electronics projects.
As a PNP transistor, the 2N2907A allows current to flow from the emitter to the collector when a low voltage is applied to the base relative to the emitter. It is often employed in analog circuits, such as audio amplifiers and signal processing, as well as digital switches. The device's gain, or beta, generally ranges from 100 to 300, providing a good balance between current amplification and control ability.
In summary, the 2N2907A is a reliable and widely-used PNP transistor offering moderate current and voltage capacity, making it suitable for a variety of applications in both hobbyist and professional electronics projects.
Equivalent
The 2N2907A is a PNP bipolar junction transistor commonly used for switching and amplification. Equivalent products include the PN2907A, BC557, and BC558. These transistors are similar in terms of electrical characteristics and can be used as substitutes in many applications, though some circuit adjustments may be necessary. Always check the specific characteristics like voltage, current, and package type to ensure compatibility for your application.
Features
The 2N2907A is a PNP bipolar junction transistor (BJT) known for its reliability and versatility in electronic circuits. Key features include:
1. Polarization: PNP type, meaning it conducts when the base is low relative to the emitter.
2. Material: Silicon-based for stable thermal and electrical performance.
3. Package: Typically TO-18, a metal can package known for durability.
4. Voltage Ratings: Collector-Emitter Voltage (V_CE) up to 60V.
5. Current Ratings: Collector Current (I_C) up to 600mA.
6. Power Dissipation: Total power dissipation (P_Tot) of around 400mW.
7. Gain: DC current gain (h_FE) ranging from 100 to 300, providing good amplification properties.
8. Frequency: Transition frequency (f_T) of about 200 MHz, suitable for high-frequency applications.
9. Applications: Used in switching and amplification tasks, suitable for general-purpose use in audio amplification, signal processing, and switching loads.
Overall, the 2N2907A is a workhorse component in various electronic circuits, valued for its performance and reliability.
1. Polarization: PNP type, meaning it conducts when the base is low relative to the emitter.
2. Material: Silicon-based for stable thermal and electrical performance.
3. Package: Typically TO-18, a metal can package known for durability.
4. Voltage Ratings: Collector-Emitter Voltage (V_CE) up to 60V.
5. Current Ratings: Collector Current (I_C) up to 600mA.
6. Power Dissipation: Total power dissipation (P_Tot) of around 400mW.
7. Gain: DC current gain (h_FE) ranging from 100 to 300, providing good amplification properties.
8. Frequency: Transition frequency (f_T) of about 200 MHz, suitable for high-frequency applications.
9. Applications: Used in switching and amplification tasks, suitable for general-purpose use in audio amplification, signal processing, and switching loads.
Overall, the 2N2907A is a workhorse component in various electronic circuits, valued for its performance and reliability.
Pinout
The 2N2907A is a PNP bipolar junction transistor (BJT). It has three pins: the emitter, base, and collector. In a typical TO-18 package, the pin configuration is usually as follows:
1. Emitter (E): The emitter is the pin through which the majority charge carriers exit the transistor. In a PNP transistor like the 2N2907A, conventional current flows into the emitter.
2. Base (B): The base is the control pin of the transistor. It regulates the transistor's conduction between the collector and the emitter.
3. Collector (C): The collector is the pin through which the majority charge carriers enter the transistor. In the 2N2907A, conventional current flows out of the collector.
These transistors are commonly used for switching and amplification purposes in electronic circuits. With a maximum current rating of 600 mA and a power dissipation of 400 mW in the TO-18 package, the 2N2907A is suitable for low-power applications. They have a maximum collector-emitter voltage (Vce) of 60V.
1. Emitter (E): The emitter is the pin through which the majority charge carriers exit the transistor. In a PNP transistor like the 2N2907A, conventional current flows into the emitter.
2. Base (B): The base is the control pin of the transistor. It regulates the transistor's conduction between the collector and the emitter.
3. Collector (C): The collector is the pin through which the majority charge carriers enter the transistor. In the 2N2907A, conventional current flows out of the collector.
These transistors are commonly used for switching and amplification purposes in electronic circuits. With a maximum current rating of 600 mA and a power dissipation of 400 mW in the TO-18 package, the 2N2907A is suitable for low-power applications. They have a maximum collector-emitter voltage (Vce) of 60V.
Manufacturer
The 2N2907A is a PNP bipolar junction transistor (BJT) that has been manufactured by several companies over the years due to its popularity and widespread use in electronic applications. Notable manufacturers include ON Semiconductor (formerly part of Motorola), Fairchild Semiconductor (now part of ON Semiconductor), Texas Instruments, and NXP Semiconductors, among others. These companies are well-known semiconductor manufacturers that produce a wide range of electronic components, including transistors, integrated circuits, and other microelectronic products.
These companies are involved in the design, manufacturing, and marketing of semiconductor devices. They serve various industries, including consumer electronics, automotive, communications, computing, and industrial applications. Their products are essential for the development and production of numerous electronic systems and devices.
These companies are involved in the design, manufacturing, and marketing of semiconductor devices. They serve various industries, including consumer electronics, automotive, communications, computing, and industrial applications. Their products are essential for the development and production of numerous electronic systems and devices.
Application
The 2N2907A is a versatile PNP bipolar junction transistor commonly used in various applications due to its capability to handle moderate current and voltage levels. Key application areas include:
1. Switching Circuits: Used in low-power switching applications to control devices.
2. Amplifiers: Functions in audio amplification, signal amplification, and small signal amplification.
3. Oscillators: Supports oscillator circuits in RF applications.
4. Darlington Pairs: Serves in configurations for higher current gain.
5. LED Drivers: Helps drive LED arrays with low power requirements.
6. Motor Control: Utilized in controlling low-power DC motors.
Overall, it is suitable for general-purpose applications in consumer electronics and signal processing.
1. Switching Circuits: Used in low-power switching applications to control devices.
2. Amplifiers: Functions in audio amplification, signal amplification, and small signal amplification.
3. Oscillators: Supports oscillator circuits in RF applications.
4. Darlington Pairs: Serves in configurations for higher current gain.
5. LED Drivers: Helps drive LED arrays with low power requirements.
6. Motor Control: Utilized in controlling low-power DC motors.
Overall, it is suitable for general-purpose applications in consumer electronics and signal processing.
Package
The 2N2907A is a PNP bipolar junction transistor commonly found in a TO-18 metal can package. This package type is designed for general-purpose amplification and switching applications, providing durability and efficient heat dissipation.
