BD136

Overview of BD136

BD136 is a Bipolar Junction Transistor (BJT) optimized for high-speed and low-voltage operations. It provides excellent performance for general-purpose amplifier applications.

Pinout

The BD136 pinout refers to the configuration and function of each pin in its TO-126-3LD package. This package typically includes a diagram showing the layout of the pins when viewed from the top down with pins named sequentially. Each pin on the BD136 has a specific role such as power supply input, ground connection, or signal interface. The pinout details are crucial for integrating this component into a circuit as they ensure correct connections for optimal device performance. Designers and engineers must refer to the datasheet provided by the manufacturer to get accurate information regarding each pin's function and electrical characteristics.

Features

• DC Current Gain - hFE = 40 (Min) @ Ic = 0.15 A.dc: This feature provides excellent current gain for stable operation in various amplifier applications.
• Complementary with BD 135, 137, 139: The BD136 is part of a family of complementary BJTs that can be used together to achieve symmetrical and balanced performance.
• Pb-Free Package is Available*: This feature offers environmentally friendly packaging options for designers and engineers who prioritize sustainability.
• High-Speed Performance: The BD136 is optimised for high-speed operations, making it suitable for applications such as audio amplifiers and switching regulators.
• Low-Voltage Operation: This transistor operates safely at low voltages, reducing the risk of damage or electrical shock in many practical applications.
• Package Options: The BD136 is available in a range of package types to suit different design requirements and application needs.

Applications

• Analog Amplifiers: The BD136 can be used as an output transistor in analog amplifiers, providing high current gain and low input impedance for efficient power transfer.
• Digital Circuits: This transistor is suitable for use in digital circuits where its high-speed performance and low-voltage operation can provide reliable signal switching and logic operations.
• Audio Power Amplifiers: The BD136's high-current gain makes it an ideal component for use in audio power amplifier designs, where it can be used as a driver or output transistor.

Advantages and Disadvantages

Advantages

• High Current Gain: The BD136's high current gain provides excellent stability and linearity for amplifier applications, reducing the risk of oscillations and distortion.
• Low-Voltage Operation: This transistor operates safely at low voltages, making it suitable for use in a wide range of applications where voltage constraints may be present.
• Robustness: The BD136's robust design and manufacturing process make it resistant to electrical overstress and environmental stressors that could compromise its performance or reliability.

Disadvantages

• Packaging Limited to TO-126-3LD: The BD136 is only available in the specific package type listed, limiting its use in certain applications where smaller or more compact packages may be required.
• Sensitivity to Temperature and Humidity: This transistor's performance may be affected by temperature and humidity changes, which can impact its reliability and longevity in harsh environments.

Equivalents

For similar functionalities, consider these alternatives to the BD136:

• BDC141-7: This transistor offers comparable performance and features to the BD136, with the added advantage of a slightly higher current gain.
• KBC138N: This NPN BJT provides similar high-speed performance and low-voltage operation to the BD136, making it suitable for many analog and digital applications.

Frequently Asked Questions

To learn more about this component or to explore possible design options, please consult the datasheet provided by the manufacturer or refer to our online resources and technical support pages.