DESCRIPTION
   The TCET1200 consists of a phototransistor optically coupled to a gallium arsenide infrared-emitting diode in a 4 pin plastic dual inline package.

FEATURES
• High common mode rejection
• CTR offered in 5 groups
• Low temperature coefficient of CTR
• Material categorization:
   for definitions of compliance please see
   www.vishay.com/doc?99912

APPLICATIONS
• Switch-mode power supplies
• Line receiver
• Computer peripheral interface
• Microprocessor system interface
• Reinforced isolation provides circuit protection against
   electrical shock (safety class II)
• Circuits for safe protective separation against electrical
   shock according to safety class II (reinforced isolation):
   - for appl. class I - IV at mains voltage ≤ 300 V
   - for appl. class I - III at mains voltage ≤ 600 V
   according to DIN EN 60747-5-5 (VDE 0884-5)