BT139-800E 800 V 16A Triac TO-220 recovery diode This Koptan 12mm wide High-Temperature

This Koptan 12mm wide High-Temperature Resistant Tape for 3D Printers is a polyester film tape with a high-temperature resistant adhesive

200 mV Input Range with a Single 5 V Supply

Diameter at base 15mm

It's not difficult to etch PCBs at home

BT139-800E 800 V 16A Triac TO-220 recovery diode This Koptan 12mm wide High-TemperatureIts BT139 800E 800 V 16A Triac TO 220, four quadrant sensitive gate triac in a TO 220 plastic package for general purpose bidirectional switching and phase control Applications. This sensitive gate "series E" triac is designed to be directly interfaced to microcontrollers, logic integrated circuits, and other low power gate trigger circuits. Specification Type Triac Non Repetitive On State Current 155 170 A RMS on state current 16A Rated Repetitive