The P4SMA51A is a Transient Voltage Suppressor (TVS) diode manufactured by JSCJ (JCET). Supreme Components International is an authorised distributor of JSCJ (JCET) electronic components. This diode is designed to protect sensitive electronic circuits from voltage transients induced by lightning, inductive load switching, and electrostatic discharge (ESD). The P4SMA51A features a reverse standoff voltage of 51V and a peak pulse power dissipation of 400W. It is housed in a compact SMA (Surface Mount Assembly) package, making it suitable for high-density PCB layouts. This TVS diode offers fast response time, low clamping voltage, and high surge capability, ensuring reliable protection for various applications, including telecommunications, industrial equipment, and consumer electronics. Its robust design and compliance with industry standards make it a dependable choice for safeguarding electronic systems against voltage-related failures.