The PSOT12C with Diodes - ESD SOT-23 (SOT-23-3) RoHS is a three-pin surface mount package that is manufactured by Yenji. It is designed to protect various electronic parts, including transistors, from static discharge. The package has a low profile design, which helps save space when used in printed circuit board designs. It also offers a high peak pulse current rating of up to 500mA, making it suitable for high-frequency switching applications. Its RoHS compliant design ensures that it does not release any hazardous chemicals into the environment. The PSOT12C comes in a range of circuit forms and offers excellent ESD protection.