Overview
The 2N3906TA is a general-purpose PNP silicon transistor manufactured by onsemi. It is widely used in various electronic circuits due to its robust performance and reliability. This transistor is available in several package options, including the TO-92 package, and is also offered in Pb-free versions to comply with environmental regulations.
Key Specifications
| Characteristic | Symbol | Min | Max | Unit |
|---|---|---|---|---|
| Collector-Emitter Voltage | VCEO | - | 40 | Vdc |
| Collector-Base Voltage | VCBO | - | 40 | Vdc |
| Emitter-Base Voltage | VEBO | - | 5.0 | Vdc |
| Collector Current - Continuous | IC | - | 200 | mAdc |
| Total Device Dissipation @ TA = 25°C | PD | - | 625 | mW |
| Operating and Storage Junction Temperature Range | TJ, Tstg | -55 | 150 | °C |
| Thermal Resistance, Junction-to-Ambient | RθJA | - | 200 | °C/W |
| DC Current Gain (IC = 1.0 mAdc, VCE = 1.0 Vdc) | hfe | 100 | 400 | - |
| Delay Time (VCC = 3.0 Vdc, VBE = 0.5 Vdc, IC = 10 mAdc) | td | - | 35 | ns |
Key Features
- Pb-free packages available, making it compliant with environmental regulations.
- High DC current gain (hfe) ranging from 100 to 400.
- Low noise figure, suitable for audio and other low-noise applications.
- Fast switching times with delay, rise, storage, and fall times optimized for high-speed applications.
- Wide operating and storage junction temperature range from -55°C to 150°C.
Applications
The 2N3906TA transistor is versatile and can be used in a variety of applications, including:
- General-purpose switching and amplification.
- Audio circuits due to its low noise figure.
- Automotive and industrial control systems.
- Consumer electronics such as radios, TVs, and other household appliances.
- Educational projects and prototyping due to its ease of use and availability.
Q & A
- What is the maximum collector-emitter voltage for the 2N3906TA transistor?
The maximum collector-emitter voltage (VCEO) is 40 Vdc. - What is the maximum collector current for the 2N3906TA transistor?
The maximum collector current (IC) is 200 mAdc. - What is the operating temperature range for the 2N3906TA transistor?
The operating and storage junction temperature range is from -55°C to 150°C. - Is the 2N3906TA transistor available in Pb-free packages?
Yes, Pb-free packages are available for the 2N3906TA transistor. - What is the typical DC current gain (hfe) for the 2N3906TA transistor?
The typical DC current gain (hfe) ranges from 100 to 400. - What are the typical switching times for the 2N3906TA transistor?
The typical delay time (td) is 35 ns, rise time (tr) is 35 ns, storage time (ts) is 225 ns, and fall time (tf) is 75 ns. - What are some common applications for the 2N3906TA transistor?
Common applications include general-purpose switching and amplification, audio circuits, automotive and industrial control systems, and consumer electronics. - What is the thermal resistance, junction-to-ambient (RθJA), for the 2N3906TA transistor?
The thermal resistance, junction-to-ambient (RθJA), is approximately 200 °C/W. - How many units are typically shipped in bulk for the 2N3906TA transistor?
The 2N3906TA is typically shipped in bulk quantities of 5000 units. - What is the noise figure for the 2N3906TA transistor?
The noise figure (NF) is typically up to 4.0 dB.
