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| ProductStatus | Active |
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Description
The SMBJ12CA is a 12V bidirectional TVS (Transient Voltage Suppressor) diode designed to protect sensitive electronics from voltage transients, such as ESD (electrostatic discharge) and lightning-induced surges.
### Key Features:
- Bidirectional clamping (protects against both positive and negative voltage spikes).
- Standoff voltage: 12V.
- Breakdown voltage: 13.3V (min).
- Peak pulse power: 600W (8/20μs waveform).
- Low clamping voltage for effective protection.
- SMB (DO-214AA) package for compact PCB mounting.
### Applications:
- Power supply lines (12V systems).
- Communication ports (RS-232, USB).
- Automotive and industrial electronics.
The SMBJ12CA is robust, fast-acting, and ideal for surge protection in low-voltage circuits.
### Key Features:
- Bidirectional clamping (protects against both positive and negative voltage spikes).
- Standoff voltage: 12V.
- Breakdown voltage: 13.3V (min).
- Peak pulse power: 600W (8/20μs waveform).
- Low clamping voltage for effective protection.
- SMB (DO-214AA) package for compact PCB mounting.
### Applications:
- Power supply lines (12V systems).
- Communication ports (RS-232, USB).
- Automotive and industrial electronics.
The SMBJ12CA is robust, fast-acting, and ideal for surge protection in low-voltage circuits.
Equivalent
Equivalent products to the SMBJ12CA (12V bidirectional TVS diode) include:
- SMAJ12CA (lower power)
- P6SMB12CA
- 1.5SMC12CA (higher power)
- Littelfuse SMBJ12CA (same part)
- ON Semiconductor SMBJ12CA
- Vishay SMBJ12CA
These offer similar 12V clamping protection in SMB packages. Check datasheets for exact specs.
- SMAJ12CA (lower power)
- P6SMB12CA
- 1.5SMC12CA (higher power)
- Littelfuse SMBJ12CA (same part)
- ON Semiconductor SMBJ12CA
- Vishay SMBJ12CA
These offer similar 12V clamping protection in SMB packages. Check datasheets for exact specs.
Features
The SMBJ12CA is a 12V bidirectional TVS diode designed for transient voltage suppression in electronic circuits. Key features:
- Voltage Rating: 12V working standoff voltage.
- Peak Pulse Power: 600W (10/1000µs waveform).
- Breakdown Voltage: 13.3V (min) to 14.7V (max).
- Clamping Voltage: 19.9V at 1A.
- Bidirectional Protection: Guards against both positive and negative transients.
- Fast Response Time: <1ns.
- Package: SMB (DO-214AA) for compact PCB mounting.
- Applications: Protects sensitive electronics from ESD, lightning, and inductive switching spikes.
Ideal for power supplies, communication lines, and automotive systems.
- Voltage Rating: 12V working standoff voltage.
- Peak Pulse Power: 600W (10/1000µs waveform).
- Breakdown Voltage: 13.3V (min) to 14.7V (max).
- Clamping Voltage: 19.9V at 1A.
- Bidirectional Protection: Guards against both positive and negative transients.
- Fast Response Time: <1ns.
- Package: SMB (DO-214AA) for compact PCB mounting.
- Applications: Protects sensitive electronics from ESD, lightning, and inductive switching spikes.
Ideal for power supplies, communication lines, and automotive systems.
Pinout
The SMBJ12CA is a bidirectional TVS diode designed for transient voltage suppression.
- Pin Count: 2 (standard SMB package)
- Function: Protects circuits from voltage transients (e.g., ESD, surges) by clamping excessive voltage (12V breakdown). It operates bidirectionally, meaning it safeguards against both positive and negative voltage spikes.
Key Parameters:
- Standoff Voltage (V_RWM): 12V
- Breakdown Voltage (V_BR): 13.3V (min)
- Peak Pulse Current (I_PP): High (varies by standard, e.g., 24.2A per IEC 61000-4-5).
Commonly used in power lines, data interfaces, and automotive systems for surge protection.
- Pin Count: 2 (standard SMB package)
- Function: Protects circuits from voltage transients (e.g., ESD, surges) by clamping excessive voltage (12V breakdown). It operates bidirectionally, meaning it safeguards against both positive and negative voltage spikes.
Key Parameters:
- Standoff Voltage (V_RWM): 12V
- Breakdown Voltage (V_BR): 13.3V (min)
- Peak Pulse Current (I_PP): High (varies by standard, e.g., 24.2A per IEC 61000-4-5).
Commonly used in power lines, data interfaces, and automotive systems for surge protection.
Manufacturer
The SMBJ12CA is a transient voltage suppressor (TVS) diode manufactured by Littelfuse, a leading global company specializing in circuit protection, power control, and sensing technologies.
Littelfuse is a well-established American electronics manufacturer founded in 1927, known for its high-quality semiconductor and protection devices. The company serves industries like automotive, industrial, and consumer electronics, providing solutions for overvoltage, overcurrent, and ESD protection.
The SMBJ12CA is part of Littelfuse’s SMBJ series, designed to protect sensitive electronics from voltage transients. It is widely used in power supplies, communication systems, and other applications requiring robust surge protection.
Littelfuse is a well-established American electronics manufacturer founded in 1927, known for its high-quality semiconductor and protection devices. The company serves industries like automotive, industrial, and consumer electronics, providing solutions for overvoltage, overcurrent, and ESD protection.
The SMBJ12CA is part of Littelfuse’s SMBJ series, designed to protect sensitive electronics from voltage transients. It is widely used in power supplies, communication systems, and other applications requiring robust surge protection.
Application
The SMBJ12CA is a 12V bidirectional TVS diode used for transient voltage suppression in various applications, including:
1. Electronics Protection – Safeguards sensitive components in power supplies, communication lines, and data interfaces.
2. Automotive Systems – Protects against voltage spikes in CAN bus, infotainment, and ECU circuits.
3. Industrial Equipment – Shields control systems, sensors, and PLCs from surges.
4. Telecom & Networking – Secures routers, switches, and modems from ESD and lightning-induced transients.
5. Consumer Electronics – Guards USB ports, HDMI lines, and other I/O connections.
Its fast response and high surge capability make it ideal for surge protection in low-voltage circuits.
1. Electronics Protection – Safeguards sensitive components in power supplies, communication lines, and data interfaces.
2. Automotive Systems – Protects against voltage spikes in CAN bus, infotainment, and ECU circuits.
3. Industrial Equipment – Shields control systems, sensors, and PLCs from surges.
4. Telecom & Networking – Secures routers, switches, and modems from ESD and lightning-induced transients.
5. Consumer Electronics – Guards USB ports, HDMI lines, and other I/O connections.
Its fast response and high surge capability make it ideal for surge protection in low-voltage circuits.
Package
The SMBJ12CA is a bidirectional TVS diode in an SMB (DO-214AA) surface-mount package. It provides transient voltage suppression for protection against ESD, surges, and other voltage spikes. The package is compact, lead-free, and RoHS-compliant, suitable for high-density PCB designs. Key specs include a 12V breakdown voltage and a peak pulse power of 600W (10/1000µs).
