規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| DiodeType | Standard |
| Voltage-DCReverse(Vr)(Max) | 75 V |
| Current-AverageRectified(Io) | 150mA |
| Voltage-Forward(Vf)(Max)@If | 1.25 V @ 100 mA |
| Speed | Small Signal =< 200mA (Io), Any Speed |
| ReverseRecoveryTime(trr) | 4 ns |
| Current-ReverseLeakage@Vr | 1 µA @ 75 V |
| Capacitance@VrF | 4pF @ 0V, 1MHz |
| MountingType | Surface Mount |
| Package/Case | SOD-123 |
| SupplierDevicePackage | SOD-123 |
概述
Description
The 1N4148W is a high-speed switching diode commonly used in electronic circuits. It is known for its reliability and efficiency in switching applications, typically utilized in digital circuits for fast switching purposes. The "W" variant refers to its SMD (Surface Mount Device) package, which is compact and suitable for modern PCB designs.
Key specifications of the 1N4148W include:
- Forward Voltage Drop: Typically around 1V at 10mA, which is relatively low, making it efficient for switching.
- Reverse Recovery Time: Approximately 4ns, allowing for rapid switching operations.
- Current Rating: A maximum forward current of 150mA, suitable for small to medium current applications.
- Reverse Voltage: Can withstand up to 100V, providing good protection against voltage spikes in circuits.
The 1N4148W is often used in signal processing, high-speed rectification, and protection circuits. Its compact size and robust performance make it a staple component in various electronic devices, including computers, communication equipment, and consumer electronics.
Key specifications of the 1N4148W include:
- Forward Voltage Drop: Typically around 1V at 10mA, which is relatively low, making it efficient for switching.
- Reverse Recovery Time: Approximately 4ns, allowing for rapid switching operations.
- Current Rating: A maximum forward current of 150mA, suitable for small to medium current applications.
- Reverse Voltage: Can withstand up to 100V, providing good protection against voltage spikes in circuits.
The 1N4148W is often used in signal processing, high-speed rectification, and protection circuits. Its compact size and robust performance make it a staple component in various electronic devices, including computers, communication equipment, and consumer electronics.
Equivalent
The 1N4148W is a surface-mount switching diode. Equivalent products include the 1N4148WS, 1N4148, 1N4448 BAS16, and 1N914. These diodes have similar electrical characteristics and can often be used interchangeably in circuits that require fast switching capabilities and low forward voltage drop. Always confirm specifications with datasheets to ensure compatibility with your specific application.
Features
The 1N4148W is a surface-mount, fast-switching diode often used in electronic circuits for switching applications. Key features include:
1. Fast Switching Speed: It has a reverse recovery time of around 4 ns, making it suitable for high-speed switching applications.
2. Small Package: Available in a SOD-123 package, which is compact and ideal for surface-mount technology, saving space on PCBs.
3. High Reliability: Known for its robustness and reliability in various applications, including digital and analog circuits.
4. Wide Operating Temperature Range: Typically operates between -65°C and +150°C, allowing for use in diverse environments.
5. Low Leakage Current: Features low reverse current leakage, enhancing efficiency in circuits.
6. Maximum Reverse Voltage: Can handle a maximum reverse voltage of 75V.
7. High Forward Current: Supports a maximum forward current of approximately 150mA, suitable for general-purpose tasks.
These features make the 1N4148W a versatile and commonly used diode in both consumer electronics and industrial applications.
1. Fast Switching Speed: It has a reverse recovery time of around 4 ns, making it suitable for high-speed switching applications.
2. Small Package: Available in a SOD-123 package, which is compact and ideal for surface-mount technology, saving space on PCBs.
3. High Reliability: Known for its robustness and reliability in various applications, including digital and analog circuits.
4. Wide Operating Temperature Range: Typically operates between -65°C and +150°C, allowing for use in diverse environments.
5. Low Leakage Current: Features low reverse current leakage, enhancing efficiency in circuits.
6. Maximum Reverse Voltage: Can handle a maximum reverse voltage of 75V.
7. High Forward Current: Supports a maximum forward current of approximately 150mA, suitable for general-purpose tasks.
These features make the 1N4148W a versatile and commonly used diode in both consumer electronics and industrial applications.
Pinout
The 1N4148W is a switching diode commonly used in electronic circuits. It features two pins: an anode and a cathode. The anode is the positive side, allowing current to flow into the diode, while the cathode is the negative side, allowing current to flow out. The diode's primary function is to allow current to pass in one direction while blocking it in the opposite direction, making it useful for applications such as signal processing, rectification, and protection circuits. The "W" in 1N4148W indicates the SOD-123 package, which is a surface-mount device (SMD) with a small footprint, suitable for compact circuit designs.
Manufacturer
The 1N4148W is a small signal switching diode commonly manufactured by several semiconductor companies, including Diodes Incorporated, ON Semiconductor (now known as onsemi), NXP Semiconductors, Vishay Intertechnology, and others. These companies are major players in the electronics industry, specializing in the design and manufacture of semiconductors and electronic components.
1. Diodes Incorporated: An American company providing high-quality semiconductor products, including discrete, logic, analog, and mixed-signal products.
2. onsemi (ON Semiconductor): A key supplier of semiconductor-based solutions, offering a comprehensive portfolio of energy-efficient solutions for various applications.
3. NXP Semiconductors: A Dutch company known for providing secure connectivity solutions for embedded applications, with a broad range of semiconductors.
4. Vishay Intertechnology: An American manufacturer of discrete semiconductors and passive electronic components, serving various industries.
These companies focus on innovation, efficiency, and reliability in electronics, providing components used in automotive, industrial, consumer electronics, and computing applications, among others. Each of these manufacturers contributes to the availability and reliability of the 1N4148W diode in the global market.
1. Diodes Incorporated: An American company providing high-quality semiconductor products, including discrete, logic, analog, and mixed-signal products.
2. onsemi (ON Semiconductor): A key supplier of semiconductor-based solutions, offering a comprehensive portfolio of energy-efficient solutions for various applications.
3. NXP Semiconductors: A Dutch company known for providing secure connectivity solutions for embedded applications, with a broad range of semiconductors.
4. Vishay Intertechnology: An American manufacturer of discrete semiconductors and passive electronic components, serving various industries.
These companies focus on innovation, efficiency, and reliability in electronics, providing components used in automotive, industrial, consumer electronics, and computing applications, among others. Each of these manufacturers contributes to the availability and reliability of the 1N4148W diode in the global market.
Application
The 1N4148W is a surface-mount fast-switching diode commonly used in various applications due to its high speed and reliability. Key application areas include:
1. Signal Processing: Used in digital circuits for high-speed switching and signal rectification.
2. Protection Circuits: Acts as a flyback diode in inductive loads to prevent voltage spikes.
3. RF and Microwave Circuits: Ideal for use in radio frequency applications due to its low capacitance.
4. Clipping and Clamping: Used in shaping waveforms and controlling voltage levels.
5. Switching Applications: Suitable for fast switching applications in consumer electronics and communication devices.
These applications leverage its fast recovery time and small form factor.
1. Signal Processing: Used in digital circuits for high-speed switching and signal rectification.
2. Protection Circuits: Acts as a flyback diode in inductive loads to prevent voltage spikes.
3. RF and Microwave Circuits: Ideal for use in radio frequency applications due to its low capacitance.
4. Clipping and Clamping: Used in shaping waveforms and controlling voltage levels.
5. Switching Applications: Suitable for fast switching applications in consumer electronics and communication devices.
These applications leverage its fast recovery time and small form factor.
Package
The 1N4148W diode is typically available in a SOD-123 surface-mount package. This package type is compact and suitable for high-density circuit board layouts, making it ideal for applications where space is limited.