Specifications
| Attribute | Value |
| Supplier | Yangzhou Yangjie Electronic Technology Co.,Ltd |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Diode Type | Schottky |
| Voltage - DC Reverse (Vr) (Max) | 40 V |
| Current - Average Rectified(Io) | 200mA (DC) |
| Voltage - Forward (Vf) (Max) @ If | 1 V @ 40 mA |
| Speed | Small Signal =< 200mA (Io), Any Speed |
| Reverse Recovery Time (trr) | 5 ns |
| Current - Reverse Leakage @ Vr | 200 nA @ 30 V |
| Capacitance @ Vr F | 5pF @ 0V, 1MHz |
| Mounting Type | Surface Mount |
| Supplier Device Package | SOT-23 |
Overview
Description
The BAS40 is a Schottky diode, commonly used in electronic circuits for its low forward voltage drop and fast switching capabilities. Schottky diodes, named after physicist Walter H. Schottky, are semiconductor diodes with a low forward voltage drop, typically around 0.3 to 0.5 volts, compared to the 0.7 volts in standard silicon diodes. This makes the BAS40 ideal for use in power-sensitive applications, such as power rectification, voltage clamping, and signal demodulation.
The BAS40 is housed in a small SMD (Surface-Mounted Device) package, making it suitable for compact and densely populated circuit boards. It is often used in DC-DC converters, RF applications, and as a freewheeling diode in various power and switching applications.
Its fast recovery time enhances efficiency in high-frequency applications, and its low reverse leakage current helps maintain battery life in portable devices. The BAS40 series can include variants with different configurations, such as single diodes or dual diodes in series or parallel, to suit specific design requirements.
The BAS40 is housed in a small SMD (Surface-Mounted Device) package, making it suitable for compact and densely populated circuit boards. It is often used in DC-DC converters, RF applications, and as a freewheeling diode in various power and switching applications.
Its fast recovery time enhances efficiency in high-frequency applications, and its low reverse leakage current helps maintain battery life in portable devices. The BAS40 series can include variants with different configurations, such as single diodes or dual diodes in series or parallel, to suit specific design requirements.
Equivalent
The BAS40 is a Schottky diode commonly used for switching applications. Equivalent products to the BAS40 include:
1. BAT54 series (BAT54, BAT54A, BAT54C, BAT54S) by Nexperia or ON Semiconductor.
2. HSMS-282x series by Broadcom.
3. SMS7621 series by Skyworks.
4. RB751S-40 by ROHM Semiconductor.
These alternatives provide similar characteristics and can often be used as substitutes in electronic circuits where a BAS40 diode is specified. Always verify specific requirements and datasheets to ensure compatibility.
1. BAT54 series (BAT54, BAT54A, BAT54C, BAT54S) by Nexperia or ON Semiconductor.
2. HSMS-282x series by Broadcom.
3. SMS7621 series by Skyworks.
4. RB751S-40 by ROHM Semiconductor.
These alternatives provide similar characteristics and can often be used as substitutes in electronic circuits where a BAS40 diode is specified. Always verify specific requirements and datasheets to ensure compatibility.
Features
The BAS40 is a Schottky diode known for its low forward voltage drop and high-speed switching capabilities. Here are its key features:
1. Low Forward Voltage Drop: Typically around 0.4V, which reduces power loss and improves efficiency in power-sensitive applications.
2. Fast Switching Speed: Its rapid switching capability makes it suitable for high-frequency applications, such as switching power supplies and RF circuits.
3. Small Package: Commonly available in surface-mount packages like SOT-23, which saves space on PCBs, making it ideal for compact electronics.
4. Low Reverse Leakage Current: This feature minimizes power loss when the diode is reverse-biased.
5. Wide Temperature Range: Operates efficiently over a wide temperature range, typically from -65°C to 150°C, making it reliable in various environmental conditions.
6. High Reverse Voltage: Can handle reverse voltages typically up to 40V, suitable for different voltage applications.
These features make BAS40 diodes a popular choice in applications requiring efficient and compact rectification, voltage clamping, and signal demodulation.
1. Low Forward Voltage Drop: Typically around 0.4V, which reduces power loss and improves efficiency in power-sensitive applications.
2. Fast Switching Speed: Its rapid switching capability makes it suitable for high-frequency applications, such as switching power supplies and RF circuits.
3. Small Package: Commonly available in surface-mount packages like SOT-23, which saves space on PCBs, making it ideal for compact electronics.
4. Low Reverse Leakage Current: This feature minimizes power loss when the diode is reverse-biased.
5. Wide Temperature Range: Operates efficiently over a wide temperature range, typically from -65°C to 150°C, making it reliable in various environmental conditions.
6. High Reverse Voltage: Can handle reverse voltages typically up to 40V, suitable for different voltage applications.
These features make BAS40 diodes a popular choice in applications requiring efficient and compact rectification, voltage clamping, and signal demodulation.
Pinout
The BAS40 is a Schottky diode known for its low forward voltage drop and fast switching capabilities. It typically comes in a small SOT-23 package and has three pins. The pin configuration is as follows:
1. Anode (Pin 1): This is the positive terminal through which current enters the diode.
2. Cathode (Pin 2): This is the negative terminal where current exits the diode.
3. Cathode (Pin 3): This pin is internally connected to Pin 2 in some configurations, or it may be used for different circuit topologies in dual or array versions.
The BAS40 is used in various applications such as rectification, voltage clamping, and protection circuits due to its high-speed switching and low forward voltage characteristics.
1. Anode (Pin 1): This is the positive terminal through which current enters the diode.
2. Cathode (Pin 2): This is the negative terminal where current exits the diode.
3. Cathode (Pin 3): This pin is internally connected to Pin 2 in some configurations, or it may be used for different circuit topologies in dual or array versions.
The BAS40 is used in various applications such as rectification, voltage clamping, and protection circuits due to its high-speed switching and low forward voltage characteristics.
Manufacturer
The BAS40 is a Schottky diode, and multiple manufacturers produce it, including Infineon Technologies, Nexperia, ON Semiconductor, and Vishay Intertechnology, among others. Each of these companies is a semiconductor manufacturer with a focus on creating components for electronic devices.
1. Infineon Technologies: A German semiconductor manufacturer that specializes in automotive, industrial, and security solutions.
2. Nexperia: A global company headquartered in the Netherlands, which focuses on producing discrete, logic, and MOSFET devices.
3. ON Semiconductor (now onsemi): A U.S.-based company providing a wide range of semiconductor solutions, including power and signal management, logic, discrete, and custom devices.
4. Vishay Intertechnology: An American company known for manufacturing a diverse range of electronic components, including semiconductors and passive components.
These companies are key players in the electronics industry, providing essential components for various applications such as consumer electronics, automotive systems, industrial automation, and telecommunications. Their focus on innovation and technology development helps enable advancements in electronic device performance and efficiency.
1. Infineon Technologies: A German semiconductor manufacturer that specializes in automotive, industrial, and security solutions.
2. Nexperia: A global company headquartered in the Netherlands, which focuses on producing discrete, logic, and MOSFET devices.
3. ON Semiconductor (now onsemi): A U.S.-based company providing a wide range of semiconductor solutions, including power and signal management, logic, discrete, and custom devices.
4. Vishay Intertechnology: An American company known for manufacturing a diverse range of electronic components, including semiconductors and passive components.
These companies are key players in the electronics industry, providing essential components for various applications such as consumer electronics, automotive systems, industrial automation, and telecommunications. Their focus on innovation and technology development helps enable advancements in electronic device performance and efficiency.
Application
The BAS40 is a Schottky diode commonly used in various electronic applications due to its fast switching speed and low forward voltage drop. Key application areas include:
1. Rectification: Used in power supplies for converting AC to DC.
2. Voltage Clamping: Protects circuits by limiting voltage spikes.
3. RF Detection: Suitable for radio frequency applications due to its high-frequency response.
4. Signal Mixing and Demodulation: Utilized in communication devices for mixing and demodulating signals.
5. Switching Applications: Employed in high-speed switching circuits.
6. Voltage Multiplication: Used in voltage doubler or multiplier circuits.
These attributes make the BAS40 suitable for consumer electronics, telecommunications, and automotive applications.
1. Rectification: Used in power supplies for converting AC to DC.
2. Voltage Clamping: Protects circuits by limiting voltage spikes.
3. RF Detection: Suitable for radio frequency applications due to its high-frequency response.
4. Signal Mixing and Demodulation: Utilized in communication devices for mixing and demodulating signals.
5. Switching Applications: Employed in high-speed switching circuits.
6. Voltage Multiplication: Used in voltage doubler or multiplier circuits.
These attributes make the BAS40 suitable for consumer electronics, telecommunications, and automotive applications.
Package
The BAS40 is a Schottky diode and comes in a SOT-23 package type. This small surface-mount package is commonly used for its compact size, making it suitable for high-density circuit boards.
