Sensata-Airpax IEG6-1-51-15.0-21-V

TSOP39556TR1

Vishay Semiconductor Opto Division

25QHTF53-186.000-PD

Mercury United Electronics, Inc.

M0815-5-N

RAF Electronic Hardware

126-91-308-41-002000

Mill-Max Manufacturing Corp.

K103J20C0GH53H5G

Vishay Beyschlag/Draloric/BC Components