Crydom is a brand specializing in solid-state switching technology, known for its solid-state relays (SSRs) and contactors. It is a part of Sensata Technologies. Crydom offers a wide range of standard off-the-shelf products and also specializes in custom-designed solutions for various load control applications. 
Here's a more detailed breakdown:

• Solid-State Relays (SSRs):
  Crydom is a major player in the SSR market, offering a broad selection of AC and DC output SSRs in different mounting styles (panel, PCB, and DIN rail). 
• Solid-State Contactors:
  They also provide solid-state contactors, which are used for switching higher currents. 
• Custom Solutions:
  Crydom excels in developing customized solid-state switching solutions to meet specific customer needs. 
• Sensata Technologies:
  Crydom is a brand within Sensata Technologies, a global company specializing in sensing, electrical protection, control, and power management solutions. 
• Applications:
  Crydom products are used in various industries, including automotive, industrial, medical, and HVAC. 
• Key Features:
  SSRs offer advantages like longer life, faster switching speeds, and greater resistance to shock and vibration compared to traditional electromechanical relays. 
• Approvals and Compliance:
  Crydom products are designed to meet global safety and standards agency requirements, including CE, RoHS, UL, and IEC.