The P4SMA170AE3/61 DO214AC2 is a surfacemount transient voltage suppressor (TVS) diode designed to protect electronic circuits from transient overvoltage events. The device is packaged in the DO214AC2 (SMA) package and is supplied in a 19piece pack, making it suitable for stocking and multipleboard protection applications. Key benefits Protects sensitive electronics from transient voltage spikes and ESD, helping to reduce device damage and downtime. Fast response time to limit overvoltage exposure and safeguard power rails and signal lines. Compact SMA package (DO214AC2) enables dense PCB layouts and supports automated assembly. Robust surfacemount form factor suitable for standard reflow soldering processes and reliable operation in a variety of environments. Key attributes Function: Transient voltage suppressor diode for surge and overvoltage protection. Package: DO214AC2 (SMA) surfacemount package. Model: P4SMA170AE3/61. Pack size: 19 pieces per pack. Compatibility: Designed for SMT assembly and integration in electronics using SMApackage TVS devices. Performance characteristics: Provides transient suppression to protect connected circuitry from voltage transients and surges (exact electrical ratings are defined by the P4SMA170AE3/61 specification). Use cases and applications Power input protection: Protect DC power supplies and adapter circuits from input surges and spikes on the supply rail. Automotive and industrial electronics: Safeguard controllers, sensors, and power management modules in environments with higher transient activity. Data and interface lines: Provide ESD and surge protection for PCB interfaces such as USB, Ethernet, or other speed signal paths where rugged protection is required. Notes Pack quantity: 19 pieces per package. Package/contact format: DO214AC2 (SMA), suitable for surfacemount assembly. The description reflects the model, packaging, and primary protective function as specified by the P4SMA170AE3/61 in DO214AC2.