SMAJ36A Transient Voltage Suppressor: The Robust Guardian of Electronic Protection

In the operating environment of electronic devices, transient voltage spikes act as latent threats, always ready to damage circuits. These voltage surges can stem from various external factors such as lightning, power grid fluctuations, and electrostatic discharge, posing significant challenges to sensitive components within circuits. To counter this threat, the Transient Voltage Suppressor (TVS) diode was developed, and the SMAJ36A has emerged as a shining star in the field of electronic protection, thanks to its exceptional performance and wide range of applications.

1. Core Features of SMAJ36A 

The SMAJ36A is a unidirectional transient voltage suppressor diode designed to protect circuits from transient overvoltage spikes. The "SMAJ" series name denotes its small surface-mount package, which not only makes it easy to integrate into compact electronic devices but also enhances the reliability and stability of the circuit. The number “36A” directly points to one of its core characteristics: a reverse working voltage (V_rwm) of 36V. This means that under normal operating conditions, the SMAJ36A can withstand a maximum reverse voltage of 36V without conducting, ensuring the stable operation of the circuit.

2. Key Parameter Breakdown 

● Reverse Working Voltage (V_rwm): 36V. This parameter defines the maximum reverse operating voltage for the SMAJ36A in a non-conducting state, ensuring the safety of the circuit within its normal operating range.

SLKOR Transient Protection Diode SMAJ36A product photo

● Breakdown Voltage (Min/Max): 40V to 44.2V. When the voltage exceeds this range, the SMAJ36A will quickly conduct, diverting excess voltage to ground and protecting the circuit from damage. The wide range of breakdown voltage offers greater flexibility to meet the needs of various applications.

Slkor Transient Protection Diode SMAJ36A specification

● Reverse Leakage Current (I_r): 5μA. This refers to the small current that flows through the SMAJ36A when there is no transient voltage impact. The extremely low reverse leakage current means that the SMAJ36A consumes negligible power in normal operation, meeting the stringent energy efficiency requirements of modern electronic devices.

Parameters of Slkor Transient Protection Diode SMAJ36A

● Peak Pulse Current (I_pp) @10/1000μs: 6.9A. This parameter measures the maximum pulse current the SMAJ36A can withstand under a specific waveform (10μs rise time, 1000μs duration). The high peak pulse current indicates that the SMAJ36A can more effectively absorb and dissipate transient voltage surges, protecting the circuit from damage.

● Maximum Clamping Voltage: 58.1V. When a transient voltage occurs, the SMAJ36A can clamp the voltage below this level, effectively limiting overvoltage in the circuit and protecting downstream components from damage.

● Peak Pulse Power (P_pp) @10/1000μs: 400W. This represents the maximum pulse power the SMAJ36A can absorb under the specified waveform, directly reflecting its ability to withstand transient energy surges. The high peak pulse power means that the SMAJ36A can maintain stable performance when faced with strong transient voltage spikes, ensuring the safe operation of the circuit.

3. Applications and Advantages of SMAJ36A 

The SMAJ36A is widely used in various electronic devices, including but not limited to communication equipment, computer systems, automotive electronics, and industrial control. In these fields, the SMAJ36A has become the preferred component for protecting circuits from transient voltage spikes due to its high reliability, fast response, and low power consumption characteristics.

● High Reliability: The SMAJ36A undergoes strict quality control, ensuring stable operation even in harsh environments, thereby extending the lifespan of electronic devices.

● Fast Response: The SMAJ36A features an extremely short response time (in the nanosecond range), allowing it to quickly react to transient voltage surges and effectively prevent circuit damage.

● Low Power Consumption: In normal operation, the SMAJ36A's reverse leakage current is extremely low, consuming almost no additional power, in line with the stringent energy efficiency demands of modern electronic devices.

4. Conclusion 

In summary, the SMAJ36A plays a vital role in the field of electronic protection with its outstanding performance and wide range of applications. As electronic technology continues to advance and electronic devices become more widespread, the SMAJ36A will continue to play a crucial role in safeguarding circuits from transient voltage spikes, providing strong protection for the stable operation of electronic devices. Understanding the various performance parameters and characteristics of the SMAJ36A during the design and selection process is essential to ensure effective circuit protection and optimize overall system performance.