The 201R15C series from Johanson Technology, Inc., consists of surface mount ceramic capacitors with a C0G dielectric. These components are designed for precision timing and filtering applications where stability over temperature is critical. If you're working on projects that require stable capacitance values across a wide temperature range, these capacitors are a great choice. One thing worth noting is their ability to maintain capacitance within ±1% over a -55°C to +125°C temperature range, making them ideal for automotive and industrial applications where thermal stability is paramount. Engineers tend to reach for this type of capacitor when they need reliable performance in environments with significant temperature fluctuations. Additionally, their small form factor and high reliability make them suitable for dense PCB layouts and high-reliability electronics.