The 1.5KE18CA is a power transient voltage suppressor (TVS) diode designed to protect sensitive electronics from voltage transients and surges. This listing includes a 12piece pack in the DO2012 throughhole package, suitable for boardlevel protection in a variety of applications. Key benefits Protects sensitive circuitry from voltage spikes on power rails and signal lines, reducing the risk of component damage and system downtime. Fast response to transient events, helping to prevent voltage excursions from affecting microcontrollers, ICs, and other semiconductor devices. surge capability supports reliable protection in demanding environments where transient events occur. Convenient 12piece quantity for designers managing multiple boards or stocking for maintenance and prototyping. Throughhole DO2012 package enables straightforward insertion and robust mechanical mounting on standard PCB layouts. Key attributes Model: 1.5KE18CA Type: Transient Voltage Suppressor (TVS) diode Polarity: Bidirectional Standoff voltage (VWM): 18 V Peak Pulse Power (8/20 µs): 1500 W Package: DO2012 Packaging: 12 pieces per package Material: Siliconbased TVS diode Configuration: power surge protection suitable for line and rail protection Compatibility and use considerations Suitable for protection on 18 V rail systems, power supplies, and interfaces requiring solid transient suppression. Can be integrated in automotive, industrial, and consumer electronics applications where surge protection is needed on an 18 V range. Ideal for replacing or stocking spare protection diodes in projects that use the DO2012 throughhole footprint. Use cases and applications Power supply input protection: clamp transients on 18 V rails to protect switching regulators, controllers, and downstream components. Automotive and industrial electronics: shield control circuits and sensor interfaces from voltage transients and load dump events. Electronics prototyping and : rapid protection solution for boards undergoing transientprone testing or field service upgrades. Notes Pack includes 12 pieces of the 1.5KE18CA in the DO2012 package, ready for insertion into standard throughhole PCB designs. The information provided reflects the model, packaging, and general TVS characteristics associated with the 1.5KE18CA family.