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10pcs 100% New Original T4148 Imported Straight Plug 1n4148 Fast Switching Diode V4148 Original Do-35 - Computer Cleaners - AliExpress
![reverse engineering - How does this circuit work? DC supply from 230VAC without transformer - Radiator control board - Electrical Engineering Stack Exchange reverse engineering - How does this circuit work? DC supply from 230VAC without transformer - Radiator control board - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/SePrT.png)
reverse engineering - How does this circuit work? DC supply from 230VAC without transformer - Radiator control board - Electrical Engineering Stack Exchange
![10pcs 100% New Original T4148 Imported Straight Plug 1n4148 Fast Switching Diode V4148 Original Do-35 - Computer Cleaners - AliExpress 10pcs 100% New Original T4148 Imported Straight Plug 1n4148 Fast Switching Diode V4148 Original Do-35 - Computer Cleaners - AliExpress](https://ae01.alicdn.com/kf/Ha8ca125bcfcb4f8a83f05d9ca8151e82v/10PCS-100-New-original-T4148-imported-straight-plug-1N4148-fast-switching-diode-V4148-original-DO-35.jpg_220x220.jpg_.webp)
10pcs 100% New Original T4148 Imported Straight Plug 1n4148 Fast Switching Diode V4148 Original Do-35 - Computer Cleaners - AliExpress
![10pcs 100% New Original T4148 Imported Straight Plug 1n4148 Fast Switching Diode V4148 Original Do-35 - Computer Cleaners - AliExpress 10pcs 100% New Original T4148 Imported Straight Plug 1n4148 Fast Switching Diode V4148 Original Do-35 - Computer Cleaners - AliExpress](https://ae01.alicdn.com/kf/Hd4339068e1b143d4b8cbe9260cb56d16d/10PCS-100-New-original-T4148-imported-straight-plug-1N4148-fast-switching-diode-V4148-original-DO-35.jpg_220x220.jpg_.webp)
10pcs 100% New Original T4148 Imported Straight Plug 1n4148 Fast Switching Diode V4148 Original Do-35 - Computer Cleaners - AliExpress
![10pcs 100% New Original T4148 Imported Straight Plug 1n4148 Fast Switching Diode V4148 Original Do-35 - Computer Cleaners - AliExpress 10pcs 100% New Original T4148 Imported Straight Plug 1n4148 Fast Switching Diode V4148 Original Do-35 - Computer Cleaners - AliExpress](https://ae01.alicdn.com/kf/H61187893fb9d4ba2910d1aeffda16e743/10PCS-100-New-original-T4148-imported-straight-plug-1N4148-fast-switching-diode-V4148-original-DO-35.jpg_Q90.jpg_.webp)