PNP bipolar transistors with 60V and 2A capacity
Manufacturer: rohm
# Introduction to the 2SB1561T100Q Product Series
## 1. Overview
The 2SB1561T100Q is a significant addition to the realm of semiconductor devices, specifically belonging to the family of bipolar junction transistors (BJTs). BJTs are fundamental building blocks in electronic circuits, and the 2SB1561T100Q offers unique features and capabilities that make it suitable for a wide range of applications.
## 2. Key Specifications
### Electrical Characteristics
- **Collector - Emitter Voltage (VCEO)**: It can withstand a certain maximum collector - emitter voltage, which is a crucial parameter as it determines the voltage range within which the transistor can operate safely in a circuit. For the 2SB1561T100Q, this value is carefully calibrated to ensure reliable performance in various voltage - based applications.
- **Collector Current (IC)**: The maximum collector current rating indicates the amount of current that can flow through the collector terminal. This parameter is important for determining the transistor's ability to handle power and drive loads. The 2SB1561T100Q is designed to handle a specific collector current, making it suitable for applications with corresponding current requirements.
- **DC Current Gain (hFE)**: This parameter represents the ratio of the collector current to the base current. A high and stable DC current gain is desirable as it allows for efficient amplification of signals. The 2SB1561T100Q offers a well - defined and consistent hFE value within a specified operating range, enabling accurate signal amplification.
### Package and Physical Characteristics
- **Package Type**: The 2SB1561T100Q comes in a specific package that provides mechanical protection and electrical connection to the circuit board. The package is designed to facilitate easy mounting and integration into different types of electronic assemblies.
- **Dimensions**: Precise dimensions are specified for the package, which is important for PCB layout design. Designers need to ensure that there is sufficient space on the printed circuit board to accommodate the transistor and that it can be placed in close proximity to other components without causing interference.
## 3. Applications
### Audio Amplification
- In audio amplifier circuits, the 2SB1561T100Q can be used as a key component for signal amplification. Its ability to provide a stable DC current gain and handle appropriate levels of current and voltage makes it suitable for both small - scale and medium - power audio amplifiers. It can help in boosting the weak audio signals received from sources such as microphones or audio players to a level that can drive speakers effectively.
### Power Supply Circuits
- Power supply circuits often require transistors for voltage regulation and current control. The 2SB1561T100Q can be incorporated into linear voltage regulators, where it helps in maintaining a stable output voltage by adjusting the current flow. It can also be used in switching power supplies, where its fast switching characteristics (if applicable) can contribute to the efficient conversion of electrical power.
### Signal Processing
- In various signal processing applications, such as in communication systems or sensor interfaces, the 2SB1561T100Q can be used for signal conditioning. It can amplify, filter, or modify electrical signals to meet the requirements of subsequent stages in the signal processing chain.
## 4. Advantages
### High Reliability
- The 2SB1561T100Q is manufactured using high - quality semiconductor materials and advanced manufacturing processes. This ensures a high level of reliability, with a low probability of failure over an extended period of time. It can withstand normal operating stresses and environmental conditions, making it suitable for use in industrial and consumer electronic products.
### Cost - Effect
SC-62_MPT3
SOT-89 Package Top
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