Vishay is a Fortune 1,000 international manufacturer of discrete semiconductors and passive and electromechanical components, specialized in the production of resistors, capacitors, and other components. The 2222, 370, and 51332 products are part of their portfolio of resistors specifically designed for use in high-reliability and critical applications. The 2222 is a high stability silicon planar resistor, with a 0.1% tolerance for a wide range of temperature coefficients and temperature tracking. The 370 is a wirewound resistor with a long history of reliability and tolerance down to 0.05%. The 51332 is a trusted side-contact resistor, tested and approved for use in a variety of qualities and temperatures.