Разчитам на твърд основен 1n540x идеален изправяне бегъл поглед
1N5402 200V~3A Rectifier/20pcs – HandsOn Tech
1N5400 Rectifier Diode
2PCS) S3M DIODE GEN PURP 1KV 3A SMC = SMD 1N540X RoHS ''UK COMPANY SINCE1983' | eBay
On semiconductor 1N540X.pdf | Rectifier | Soldering
1N540x General Semiconductor GENERAL PURPOSE PLASTIC RECTIFIER Reverse Voltage - 50 to 1000 Volts Документация и описания электронных компонентов | ChipFind.ru
آشنایی با دیودهای 1N5400 تا 1N5408 | اِمیک - آموزش الکترونیک و میکروکنترلر