規格
| 屬性 | 價值 |
| Supplier | Rectron USA |
| Package / Case | Tape & Reel (TR) |
| Series | SMAJ |
| Part Status | Active |
| Type | Zener |
| Bidirectional Channels | 1 |
| Voltage - Reverse Standoff (Typ) | 32.8V |
| Voltage - Clamping (Max) @ Ipp | 45.4V |
| Power - Peak Pulse | 400W |
| Applications | General Purpose |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
概述
Description
The SMAJ28CA is a TVS (Transient Voltage Suppressor) diode designed to protect sensitive electronic equipment from voltage spikes and transient events such as electrostatic discharge (ESD), inductive load switching, and lightning-induced surges. It is part of the SMAJ series, which is widely used in various applications due to its robust protection capabilities and reliability.
Key features of the SMAJ28CA include:
1. Bidirectional Protection: It provides bidirectional clamping and is suitable for alternating current (AC) and direct current (DC) applications.
2. Peak Pulse Power: It typically offers a peak pulse power dissipation of 400 watts for a 10/1000 µs waveform, making it effective in handling significant surge currents.
3. Response Time: The device has a fast response time, usually less than 1 picosecond, which ensures rapid protection of the equipment.
4. Voltage Rating: The "28" in SMAJ28CA indicates a standoff voltage of 28 volts.
5. Package: It is commonly available in a DO-214AC (SMA) package, which is compact and suitable for surface-mount technology.
Overall, the SMAJ28CA is essential for maintaining the longevity and reliability of electronic systems by safeguarding them against unexpected voltage transients.
Key features of the SMAJ28CA include:
1. Bidirectional Protection: It provides bidirectional clamping and is suitable for alternating current (AC) and direct current (DC) applications.
2. Peak Pulse Power: It typically offers a peak pulse power dissipation of 400 watts for a 10/1000 µs waveform, making it effective in handling significant surge currents.
3. Response Time: The device has a fast response time, usually less than 1 picosecond, which ensures rapid protection of the equipment.
4. Voltage Rating: The "28" in SMAJ28CA indicates a standoff voltage of 28 volts.
5. Package: It is commonly available in a DO-214AC (SMA) package, which is compact and suitable for surface-mount technology.
Overall, the SMAJ28CA is essential for maintaining the longevity and reliability of electronic systems by safeguarding them against unexpected voltage transients.
Equivalent
The SMAJ28CA is a TVS (Transient Voltage Suppressor) diode. Equivalent products include:
1. Littelfuse SMAJ28CA
2. Vishay SMAJ28CA
3. ON Semiconductor SMAJ28CA
4. Bourns SMAJ28CA
5. STMicroelectronics SMAJ28CA
These components have similar specifications and can typically be used interchangeably in circuit designs requiring transient voltage suppression. Always check the datasheets to confirm compatibility for your specific application.
1. Littelfuse SMAJ28CA
2. Vishay SMAJ28CA
3. ON Semiconductor SMAJ28CA
4. Bourns SMAJ28CA
5. STMicroelectronics SMAJ28CA
These components have similar specifications and can typically be used interchangeably in circuit designs requiring transient voltage suppression. Always check the datasheets to confirm compatibility for your specific application.
Features
The SMAJ28CA is a Transient Voltage Suppressor (TVS) diode designed to protect sensitive electronic components from voltage transients induced by events such as lightning and electrostatic discharge (ESD). Key features include:
1. Breakdown Voltage: The device has a breakdown voltage of 28V, with bidirectional clamping to protect against both positive and negative transients.
2. Peak Pulse Power: It can handle a peak pulse power of 400 Watts for a 10/1000 μs waveform, making it suitable for protecting against high-energy transients.
3. Response Time: The SMAJ28CA offers fast response times, typically less than 1 picosecond, ensuring quick clamping of voltage spikes.
4. Package Type: It is housed in a DO-214AC (SMA) package, which is compact and suitable for surface-mount technology.
5. Low Leakage Current: The device features low leakage current, which helps in reducing power consumption in standby modes.
6. Compliance: It complies with industry standards for ESD protection, making it reliable for use in various applications.
These features make the SMAJ28CA an effective solution for safeguarding electronic circuits against transient voltage events.
1. Breakdown Voltage: The device has a breakdown voltage of 28V, with bidirectional clamping to protect against both positive and negative transients.
2. Peak Pulse Power: It can handle a peak pulse power of 400 Watts for a 10/1000 μs waveform, making it suitable for protecting against high-energy transients.
3. Response Time: The SMAJ28CA offers fast response times, typically less than 1 picosecond, ensuring quick clamping of voltage spikes.
4. Package Type: It is housed in a DO-214AC (SMA) package, which is compact and suitable for surface-mount technology.
5. Low Leakage Current: The device features low leakage current, which helps in reducing power consumption in standby modes.
6. Compliance: It complies with industry standards for ESD protection, making it reliable for use in various applications.
These features make the SMAJ28CA an effective solution for safeguarding electronic circuits against transient voltage events.
Pinout
The SMAJ28CA is a Transient Voltage Suppressor (TVS) diode designed to protect sensitive electronic equipment from voltage spikes induced by inductive load switching and lightning. It is part of the SMAJ series, which is characterized by its surface-mount package and bi-directional clamping capability.
The SMAJ28CA has a DO-214AC (SMA) package, which typically features two pins/leads. These pins are used for connecting the diode in a circuit to provide over-voltage protection. The "CA" suffix indicates that it is a bi-directional device, meaning it can handle voltage spikes in both directions.
In terms of functionality, the SMAJ28CA is rated to handle a reverse standoff voltage (VR) of 28V and has a breakdown voltage range between 31.1V and 34.4V. Upon encountering a voltage spike, it clamps the voltage to a safe level, thereby safeguarding the connected circuitry.
Overall, the SMAJ28CA's two-pin configuration and its role in surge protection make it an essential component in managing and mitigating transient voltages in electronic systems.
The SMAJ28CA has a DO-214AC (SMA) package, which typically features two pins/leads. These pins are used for connecting the diode in a circuit to provide over-voltage protection. The "CA" suffix indicates that it is a bi-directional device, meaning it can handle voltage spikes in both directions.
In terms of functionality, the SMAJ28CA is rated to handle a reverse standoff voltage (VR) of 28V and has a breakdown voltage range between 31.1V and 34.4V. Upon encountering a voltage spike, it clamps the voltage to a safe level, thereby safeguarding the connected circuitry.
Overall, the SMAJ28CA's two-pin configuration and its role in surge protection make it an essential component in managing and mitigating transient voltages in electronic systems.
Manufacturer
The SMAJ28CA is a type of transient voltage suppressor (TVS) diode, and it is manufactured by multiple companies. One of the primary manufacturers of the SMAJ28CA is STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a wide range of semiconductor products. The company serves various industries, including automotive, industrial, personal electronics, computer, and communication equipment markets. STMicroelectronics is known for its innovations in integrated circuits, discrete devices, and semiconductor solutions that enable smart driving and the Internet of Things (IoT).
Application
The SMAJ28CA is a unidirectional TVS (Transient Voltage Suppressor) diode designed to protect sensitive electronic equipment from voltage transients induced by lightning, inductive load switching, and electrostatic discharge (ESD). Its application areas include:
1. Consumer Electronics: Protecting microprocessors, MOSFETs, and other ICs.
2. Telecommunications: Shielding communication lines and equipment.
3. Automotive Electronics: Safeguarding circuits in automotive systems.
4. Industrial Equipment: Preventing voltage spikes in control systems and machinery.
5. Power Supplies: Ensuring reliability by protecting against surges.
6. Computing: Protecting motherboards and peripheral devices.
Its ability to clamp voltage spikes makes it vital for maintaining device integrity and functionality in these areas.
1. Consumer Electronics: Protecting microprocessors, MOSFETs, and other ICs.
2. Telecommunications: Shielding communication lines and equipment.
3. Automotive Electronics: Safeguarding circuits in automotive systems.
4. Industrial Equipment: Preventing voltage spikes in control systems and machinery.
5. Power Supplies: Ensuring reliability by protecting against surges.
6. Computing: Protecting motherboards and peripheral devices.
Its ability to clamp voltage spikes makes it vital for maintaining device integrity and functionality in these areas.
Package
The SMAJ28CA is a surface-mount Transient Voltage Suppressor (TVS) diode. It is typically packaged in a DO-214AC (also known as SMA) package, which is designed for high reliability and compact size applications.
