19 pieces of SMAJ12CA TVS diodes in DO214AC2 package The SMAJ12CA is a bidirectional transient voltage suppressor (TVS) diode designed to protect sensitive electronics from voltage spikes and electrostatic discharges on 12 V systems. Supplied in the DO214AC2 package (SMA form factor), this device combines compact size with reliable surge protection, making it suitable for dense printed circuit boards and volume assemblies. Key benefits Protects power rails and signal lines from transient overvoltage events, reducing the risk of component damage and board failures. Bidirectional protection suitable for both positive and negative transient excursions, enhancing compatibility with AC and DC applications. Compact, surfacemount DO214AC2 package supports easy automatic assembly and spacesaving PCB layouts. 19piece quantity provides convenient stock for multiple boards or project prototyping and production runs. Compatible with a wide range of 12 V systems, including automotive, consumer electronics, and industrial equipment. Key attributes Model: SMAJ12CA Type: Bidirectional TVS diode (transient voltage suppressor) Package: DO214AC2 (SMA) surfacemount package Quantity: 19 pieces Functionality: Clamps voltage transients to protect downstream components on 12 V lines Compatibility: Suitable for 12 V power rails and data/signal lines in electronic assemblies Size and footprint: Compact SMA package (DO214AC2) for spaceconstrained designs Material and construction: Siliconbased transient suppressor diode in a molded packaging suitable for SMT assembly Performance emphasis: energy transient suppression with fast response to voltage spikes Applications and use cases Automotive electronics: Protect 12 V power rails and control lines in ECUs, infotainment modules, and sensor interfaces from voltage surges and loaddump events. Consumer electronics and power supplies: Safeguard 12 V input stages, DCDC converters, and battery charging circuits from transient spikes on supply lines. Industrial and communications equipment: Provide rugged protection for 12 V racks, cabinets, and embedded controllers exposed to transient events on power or interface lines. Notes The device is compatible with standard SMA/DO214AC2 footprints, enabling straightforward replacement or parallel protection on existing designs. This listing contains 19 pieces, suitable for multiple boards or replacement needs across projects requiring reliable transient suppression on 12 V systems.