SMBJ5.0 TVS Diodes Datasheet, Features, Specifications, and Applications

The SMBJ5.0 is a Transient Voltage Suppression (TVS) diode manufactured by Littelfuse. It is designed to protect sensitive electronic components from voltage spikes and transient surges caused by electrostatic discharge (ESD), lightning, and other electrical events. With its fast response time and low clamping voltage, the SMBJ5.0 is ideal for protecting circuits in a wide range of applications, including automotive, telecommunications, and consumer electronics.

What is SMBJ5.0 TVS Diode?

The SMBJ5.0 TVS diode is a unidirectional TVS diode with a standoff voltage of 5V, designed to protect circuits from transient voltage spikes. It is widely used to safeguard delicate electronics from high-energy events, ensuring the reliability and longevity of the devices. The SMBJ5.0 is built with Junction Field Effect Transistor (JFET) technology and is housed in a compact DO-214 package for easy integration into various designs.

Architecture of SMBJ5.0 TVS Diodes

The SMBJ5.0 TVS diode features a low clamping voltage and fast response time, making it highly effective in protecting sensitive components. It operates by diverting surge currents to ground when the transient voltage exceeds its breakdown voltage. The diode's design ensures minimal leakage current and high surge capability, making it a reliable choice for robust protection in electronic systems.

Features of SMBJ5.0

• Low Clamping Voltage: Offers effective protection with low clamping voltages for minimal impact on circuits.

• High Surge Capability: Can withstand high surge currents, providing robust protection for sensitive electronics.

• Fast Response Time: Provides rapid voltage clamping, protecting devices from fast transient events.

• Compact DO-214 Package: Ideal for space-constrained designs and through-hole or surface-mount applications.

• Unidirectional Configuration: Designed for use in applications with unidirectional voltage spikes, offering precise protection.

Specifications of SMBJ5.0

Electrical Characteristics

• Stand-off Voltage (V_RWM): 5.0V
• Clamping Voltage (V_C): Typically 9.5V at 5A surge current.
• Peak Pulse Current (I_PP): 150A (8/20µs waveform).
• Breakdown Voltage (V_B): Between 5.5V and 6.0V.

Performance Metrics

• Response Time: Less than 1 nanosecond, ensuring fast protection against high-speed voltage surges.
• Reverse Leakage Current (I_R): Typically 1µA, ensuring minimal current draw during normal operation.

Package Types and Physical Dimensions

• Package Type: DO-214 (SMB package).
• Dimensions: Compact and easy-to-integrate package design with standard through-hole or surface-mount compatibility.

Applications of SMBJ5.0

• Automotive Electronics: Protects sensors, control modules, and communication systems from voltage transients in automotive environments.
• Telecommunications: Safeguards networking equipment such as routers, switches, and modems from surges and ESD events.
• Consumer Electronics: Used in smartphones, tablets, and home appliances to protect against power surges and lightning strikes.
• Industrial Equipment: Protects sensitive control systems, sensors, and communication lines in industrial automation.
• Power Supplies: Ensures reliable protection in power circuits against transients and voltage spikes.

SMBJ5.0 Package

The SMBJ5.0 TVS Diode is housed in a DO-214 package, which is ideal for surface-mount applications. This compact package ensures minimal space consumption while providing robust protection, making it suitable for use in high-density electronic systems.

SMBJ5.0 Manufacturer

The SMBJ5.0 TVS Diode is manufactured by Littelfuse, a leading provider of circuit protection components. Littelfuse is known for its reliable and high-performance protection devices, offering a wide range of solutions for automotive, industrial, telecommunications, and consumer electronics industries.

SMBJ5.0 Datasheet

The datasheet for the SMBJ5.0 provides detailed specifications, including electrical characteristics, surge handling capabilities, and package dimensions. Engineers and designers can reference the datasheet to optimize circuit protection designs and ensure reliability in various applications.

SMBJ5.0 vs. Other TVS Diodes

• SMBJ5.0 vs. PESD5V0S1UL: Both diodes offer 5V protection, but the SMBJ5.0 has higher surge capability, making it more suitable for heavy-duty applications.
• SMBJ5.0 vs. 1N5819: The 1N5819 is a Schottky diode, whereas the SMBJ5.0 is a TVS diode with much faster response and better clamping performance against transients.
• SMBJ5.0 vs. P6KE5.0A: The P6KE5.0A offers similar clamping voltage, but the SMBJ5.0 has a faster response time and lower capacitance, making it better suited for high-frequency applications.

Conclusion

The SMBJ5.0 TVS Diode is a reliable, high-performance solution for protecting sensitive electronic circuits from voltage transients and surge events. Its compact DO-214 package, high surge capability, and low clamping voltage make it ideal for a wide range of applications, including automotive, telecommunications, consumer electronics, and industrial systems. With its fast response time and minimal leakage current, the SMBJ5.0 ensures that your devices remain safe and operational even in harsh electrical environments.