Pack of 5 varistors for reliable surge protection - Models: 20D180K and 180KD20 - Size: diameter 20 mm - Tolerance: ±10 percent - Package: DIP2 - Voltage rating: 18 V Why you need these varistors - Protect 18 V circuits from voltage spikes and transients, reducing the risk of component damage - Consistent performance with ±10% tolerance supports predictable clamping behavior - DIP2 package enables easy insertion onto compatible PCBs and breadboard or repair work - Two compatible models (20D180K and 180KD20) provide flexible options for different designs or replacements - Compact 20 mm disc form factor fits many board layouts without crowding Key attributes - Function: surge and transient suppression for 18 V rails - Compatibility: suitable for DIP2 footprint boards and standard varistor applications - Size: 20 mm diameter, compact enough for space-constrained assemblies - Package: DIP2 for straightforward mounting - Performance: reliable clamping action within specified tolerance to protect downstream circuitry Use scenarios - Power supply boards in consumer electronics - Use these varistors on 18 V input or output rails to absorb surges from mains or switching transients, helping to prevent component failure and prolong board life - PCB repair and replacement on DIP2 designs - When servicing equipment with DIP2 style mounting, these 20 mm varistors offer drop-in protection with compatible form factor and voltage rating - 18 V electronics in automotive or industrial environments - Employ these varistors to guard microcontrollers, drivers, and other sensitive components from transient events on 18 V systems Notes - Includes five pieces in total, available in the two models 20D180K and 180KD20 - All specifications reflect a 20 mm disc varistor with 18 V operating characteristics and 10 percent tolerance, housed in a DIP2 package for easy integration