That means the ESP8266
Century Precision Optics 0FA-8XLC-II Sunshade for 0WA-8XLC-00 Zoom-Thru Wide Angle Converter
Isolation 1500 VAC Signal Ringer: 0
This feature provides an easy way to test the continuity of long cables that have been run through walls or ceilings as well as cables that have been put into audio or home theater installations
Brand MULTICOMP Part Number MC000040 Quantity Each Technical Data Sheet EN
STMICROELECTRONICS BZW50-39 TVS Diode, BZW50 Series, Unidirectional, 39 V, 69.4 V, Axial Leaded, 2 Pins Astatic AS915 That means the ESP8266This is a TVS Diode, BZW50 Series, Unidirectional, 39 V, 69. 4 V, Axial Leaded, 2 Pins product from STMICROELECTRONICS with the model number BZW50 39Product details Product Range BZW50 Series TVS Polarity Unidirectional Reverse Stand Off Voltage Vrwm 39V Clamping Voltage Vc Max 69. 4V Diode Case Style Axial Leaded No. of Pins 2Pins Breakdown Voltage Min 43. 3V Breakdown Voltage Max 43. 3V Peak Pulse Power Dissipation 5kW Packaging Each Automotive