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Rectron USA's SMAJ5.0CA: A Reliable Choice in Circuit Protection
5/8/2026 2:28:24 AM
In today's era of widespread electronic devices, circuit protection has become a pivotal aspect in ensuring the stable operation of equipment. Among them, Transient Voltage Suppressor (TVS) diodes, with their characteristics of rapid response and high energy absorption capacity, have emerged as crucial components for safeguarding circuits against voltage surges. Rectron USA's SMAJ5.0CA, as a classic TVS diode, has garnered widespread market recognition for its outstanding performance and broad range of applications.Product Overview
The SMAJ5.0CA is a bidirectional TVS diode introduced by Rectron USA, featuring a DO-214AC (SMA) package that offers compact size and easy installation. It is designed to provide efficient voltage surge protection for sensitive electronic devices, preventing damage to circuits caused by transient overvoltages induced by lightning, electrostatic discharge, power switching, and other factors.
Key Parameters
Below are the main technical parameters of the SMAJ5.0CA, presented in tabular form:
|
Parameter Name |
Parameter Value |
|
Polarity |
Bidirectional |
|
Reverse Standoff Voltage (VRWM) |
5V |
|
Breakdown Voltage (Vbr, minimum) |
6.4V |
|
Clamping Voltage (Vc, maximum) |
9.2V |
|
Peak Pulse Current (Ipp, 10/1000μs waveform) |
43.5A |
|
Peak Pulse Power (Pppm, 10/1000μs waveform) |
400W |
|
Operating Temperature Range |
-55℃ to +150℃ |
|
Package Type |
DO-214AC (SMA) |
|
Mounting Method |
Surface Mount (SMT) |
Performance Features
Rapid Response: The SMAJ5.0CA can respond to voltage surges within nanoseconds, swiftly clamping the overvoltage to a safe level and effectively protecting the circuit from damage.
High Energy Absorption: With a peak pulse power absorption capacity of 400W, the SMAJ5.0CA can handle various high-energy transient overvoltage events, ensuring stable circuit operation.
Bidirectional Protection: As a bidirectional TVS diode, the SMAJ5.0CA can simultaneously protect both the positive and negative poles of the circuit, simplifying circuit design and enhancing protection efficiency.
Wide Temperature Range: Its operating temperature range spans from -55℃ to +150℃, making it suitable for electronic device protection in various harsh environmental conditions.
Application Areas
The SMAJ5.0CA is widely applied in various electronic devices requiring voltage surge protection, such as:
Communication Equipment: Protecting telephone lines and data lines from lightning and electrostatic discharge impacts.
Consumer Electronics: Providing power interface and signal interface voltage protection for mobile phones, tablets, and other portable devices.
Industrial Control: Safeguarding Programmable Logic Controllers (PLCs), sensors, and other industrial equipment from power fluctuations and electromagnetic interference.
Automotive Electronics: Offering a stable power environment for in-car entertainment systems and navigation systems, preventing voltage surges caused by car starting and stopping.
Q&A Session
Q: What is the difference between the SMAJ5.0CA and a unidirectional TVS diode?
A: The SMAJ5.0CA is a bidirectional TVS diode capable of protecting both the positive and negative poles of a circuit simultaneously. In contrast, a unidirectional TVS diode can only protect one pole of the circuit. In circuits requiring bidirectional protection, the SMAJ5.0CA holds a distinct advantage.
Q: What are the characteristics of the package type of the SMAJ5.0CA?
A: The SMAJ5.0CA features a DO-214AC (SMA) package, offering compact size and easy installation. This package type is suitable for Surface Mount Technology (SMT), contributing to increased circuit board integration and production efficiency.
Q: What is the operating temperature range of the SMAJ5.0CA?
A: The operating temperature range of the SMAJ5.0CA spans from -55℃ to +150℃, making it suitable for electronic device protection in various harsh environmental conditions. This wide temperature range renders the SMAJ5.0CA highly applicable in fields such as industrial control and automotive electronics.
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