規格
| 屬性 | 價值 |
| Supplier | Rectron USA |
| Package / Case | Tape & Reel (TR) |
| Series | SMCJ |
| Part Status | Active |
| Type | Zener |
| Unidirectional Channels | 1 |
| Voltage - Reverse Standoff (Typ) | 14V |
| Voltage - Clamping (Max) @ Ipp | 19.9V |
| Power - Peak Pulse | 1500W (1.5kW) |
| Applications | General Purpose |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
概述
Description
The SMCJ12A refers to a transient voltage suppression (TVS) diode designed to protect sensitive electronic components from voltage spikes and transients. It is part of the SMCJ series, which offers a range of TVS diodes with different reverse standoff voltages. The "12A" in SMCJ12A indicates a breakdown voltage of 12 volts, typically used for circuits operating around this voltage level.
Key features of the SMCJ12A include its ability to handle high-energy transients thanks to its robust construction, and it is packaged in a surface-mount device (SMD) configuration, making it suitable for modern PCB designs. The device is designed to clamp voltage spikes and dissipate energy from sudden overvoltage events, protecting downstream components.
With its high peak power capability, SMCJ12A is commonly used in consumer electronics, telecommunications, automotive, and industrial applications. Its primary role is to ensure longevity and reliability of electronic circuits by preventing damage from electrical overstress environments, such as lightning strikes or power surges.
Key features of the SMCJ12A include its ability to handle high-energy transients thanks to its robust construction, and it is packaged in a surface-mount device (SMD) configuration, making it suitable for modern PCB designs. The device is designed to clamp voltage spikes and dissipate energy from sudden overvoltage events, protecting downstream components.
With its high peak power capability, SMCJ12A is commonly used in consumer electronics, telecommunications, automotive, and industrial applications. Its primary role is to ensure longevity and reliability of electronic circuits by preventing damage from electrical overstress environments, such as lightning strikes or power surges.
Equivalent
The SMCJ12A is a unidirectional TVS (Transient Voltage Suppressor) diode. Equivalent products include:
1. Littelfuse SMCJ12A
2. ON Semiconductor SMCJ12A
3. Bourns SMCJ12A
4. Vishay SMCJ12A
5. STMicroelectronics SMCJ12A
These components have similar specifications, such as a reverse standoff voltage of 12V and a peak pulse power rating of 1500W. Always verify datasheets for compatibility with your application.
1. Littelfuse SMCJ12A
2. ON Semiconductor SMCJ12A
3. Bourns SMCJ12A
4. Vishay SMCJ12A
5. STMicroelectronics SMCJ12A
These components have similar specifications, such as a reverse standoff voltage of 12V and a peak pulse power rating of 1500W. Always verify datasheets for compatibility with your application.
Features
The SMCJ12A is a surface-mount Transient Voltage Suppressor (TVS) diode designed to protect sensitive electronic equipment from voltage spikes and transient events. Key features include:
1. Peak Power Dissipation: Capable of handling 1500W of peak pulse power dissipation with a 10/1000µs waveform, providing robust protection against electrical surges.
2. Breakdown Voltage: A breakdown voltage of approximately 12V, which is suitable for protecting circuits in automotive, industrial, and telecommunications applications.
3. Response Time: Fast response time, typically less than 1 picosecond, ensuring quick clamping of voltage spikes to protect downstream components.
4. Reverse Stand-Off Voltage: Rated at 12V, which is the maximum continuous voltage the device can withstand without conducting significantly.
5. Polarity: Available in both unidirectional and bidirectional configurations to suit different circuit requirements.
6. Package Type: Supplied in a DO-214AB (SMC) package, providing a compact and thermally efficient solution for surface-mount applications.
7. Operating Temperature Range: Typically ranges from -55°C to +150°C, offering reliable performance in a variety of environments.
These features make the SMCJ12A a versatile choice for safeguarding electronic circuits against transient voltage events.
1. Peak Power Dissipation: Capable of handling 1500W of peak pulse power dissipation with a 10/1000µs waveform, providing robust protection against electrical surges.
2. Breakdown Voltage: A breakdown voltage of approximately 12V, which is suitable for protecting circuits in automotive, industrial, and telecommunications applications.
3. Response Time: Fast response time, typically less than 1 picosecond, ensuring quick clamping of voltage spikes to protect downstream components.
4. Reverse Stand-Off Voltage: Rated at 12V, which is the maximum continuous voltage the device can withstand without conducting significantly.
5. Polarity: Available in both unidirectional and bidirectional configurations to suit different circuit requirements.
6. Package Type: Supplied in a DO-214AB (SMC) package, providing a compact and thermally efficient solution for surface-mount applications.
7. Operating Temperature Range: Typically ranges from -55°C to +150°C, offering reliable performance in a variety of environments.
These features make the SMCJ12A a versatile choice for safeguarding electronic circuits against transient voltage events.
Pinout
The SMCJ12A is a Transient Voltage Suppressor (TVS) diode used for protecting sensitive electronic components from voltage spikes. It is part of the SMC (Surface Mount Configuration) series. The "12A" denotes its breakdown voltage of 12 volts.
1. Pin Count: The SMCJ12A has two pins.
2. Function: The primary function of the SMCJ12A is to clamp high voltage transients to a safe level, thereby protecting the downstream circuit. It is bidirectional, meaning it can respond to both positive and negative voltage spikes. This makes it suitable for various applications where polarity might reverse, such as in AC circuits. Its fast response time and high surge capability make it ideal for safeguarding against voltage transients induced by inductive load switching and lightning.
Overall, the SMCJ12A is crucial in maintaining the reliability and longevity of electronic devices by preventing potential damage caused by unexpected voltage surges.
1. Pin Count: The SMCJ12A has two pins.
2. Function: The primary function of the SMCJ12A is to clamp high voltage transients to a safe level, thereby protecting the downstream circuit. It is bidirectional, meaning it can respond to both positive and negative voltage spikes. This makes it suitable for various applications where polarity might reverse, such as in AC circuits. Its fast response time and high surge capability make it ideal for safeguarding against voltage transients induced by inductive load switching and lightning.
Overall, the SMCJ12A is crucial in maintaining the reliability and longevity of electronic devices by preventing potential damage caused by unexpected voltage surges.
Manufacturer
The SMCJ12A is a transient voltage suppressor (TVS) diode manufactured by Littelfuse, Inc. Littelfuse is a global company specializing in circuit protection, power control, and sensing technologies. Founded in 1927, Littelfuse serves a wide range of industries including automotive, industrial, electronics, and telecommunications. The company is known for its innovation in electronic components, including fuses, semiconductors, and sensors, providing products that enhance safety, reliability, and energy efficiency. Littelfuse has expanded its product portfolio over the years through acquisitions and continuous R&D, maintaining a strong presence in the global electronics market.
Application
The SMCJ12A is a Transient Voltage Suppressor (TVS) diode designed to protect sensitive electronic equipment from voltage spikes and transients. Its application areas include:
1. Telecommunications: Protects communication lines from electrical overstress.
2. Consumer Electronics: Shields devices like televisions and computers from voltage surges.
3. Automotive Electronics: Safeguards automotive systems against load dump and inductive switching.
4. Industrial Equipment: Ensures the reliability of control systems and automation equipment.
5. Power Supplies and Chargers: Prevents over-voltage damage in power management circuits.
These diodes are essential in environments prone to electrical transients, ensuring the longevity and reliability of electronic systems.
1. Telecommunications: Protects communication lines from electrical overstress.
2. Consumer Electronics: Shields devices like televisions and computers from voltage surges.
3. Automotive Electronics: Safeguards automotive systems against load dump and inductive switching.
4. Industrial Equipment: Ensures the reliability of control systems and automation equipment.
5. Power Supplies and Chargers: Prevents over-voltage damage in power management circuits.
These diodes are essential in environments prone to electrical transients, ensuring the longevity and reliability of electronic systems.
Package
The SMCJ12A is a surface-mount Transient Voltage Suppressor (TVS) diode. It comes in an SMC (DO-214AB) package type, which is designed for high-power applications and offers protection against voltage transients.
