TIG & Stick Welder, Migatronic Pilot 1800 Teardown

A teardown of a Migatronic Pilot 1800, a combined TIG & stick welder. TIG is short for Tungsten Inert Gas and refers to the tip of the welding handle, which is made out of tungsten. A inert gas comes from …

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Where To Get “Free” TO-247 IGBTs and MOSFETs

A look at a box of IGBTs and MOSFETs that I have salvaged from household electronics like microwave ovens, induction stoves, solar inverters, welding machines, car and battery charges and other common high power electronics with switching inverters. The TO-247 …

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Fujifilm FCR XG-1 X-ray Laser Module Teardown (Part 2 of 3)

Part 2: Teardown of the laser scanner module from a Fujifilm FCR XG-1 x-ray image scanner / digitizer. Also known as Computerized Radiography (CR), it fulfills the job of scanning a x-ray exposed image plate. It uses a laser beam …

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Power Diodes and Diodes In Power Electronics – Isolation, Day 13

A talk about diodes of various sizes, from different ages, development in technology and power levels. The only things missing would be selenium diodes as I forgot where I put them and I do unfortunately not own a mercury arc …

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ABB TRIO 20 kW Solar Inverter – Unboxing and Teardown

Teardown of a large solar inverter. The ABB TRIO 20 kW inverter is a three-phased inverter built around many TO-247 IGBT & Schottky diodes. Three-phase string inverter, 20000Wac, 2 MPPT, 4 DC inputs for each MPPT, RS485 communication interface, IP65 …

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