STEVAL-ISA122V1 BOM Part reference Description Part name Manufacturer BR1 Bridge diodes DF06M Fairchild/ Vishay C1,C13 100 nF X2 capacitor C3 33 µF 450 V electrolytic cap. C4 22 µF 35 V electrolytic cap. C5 N.M C6 1.8 nF ceramic cap C7 15 nF C8 2.2 nF Y1 capacitor C9, C14 ZL 1000 µF 16 V electrolytic cap. C10 YXF 47 µF 25 V electrolytic cap. YXF 47 µF 25 V C11 22 nF ceramic cap 22 nF C12 10 nF ceramic cap 10 nF D1 100 V small signal Schottky diode BAT46 D2 100 V small signal fast diode 1N4148 D3 600 V 1 A ultra-fast diode STTH1L06 STMicroelectronics D4 Power Schottky diode STPS745 STMicroelectronics D5 250 V Transil 1.5KE250 STMicroelectronics D6 18 V Zener F1 1 A Fuse HS1 Heat sink J7 Selector L1 3.3 µH 3 A inductor NTC1 15 Ω OPTO1 Opto-coupler R1 3.3 Ω resistor R3 33 kΩ 1% precision resistor R6 1 2kΩ 1% precision resistor R8 120 kΩ 1% precision resistor R9 39 kΩ 1% precision resistor R10 270 kΩ R12 47 kΩ R13 1.5 kΩ R14 180 kΩ 1% precision resistor R15 3.3 Meg 1% precision resistor R16, R17 2.7 Meg 1% precision resistor R18 47 kΩ 1% precision resistor R19 220 Ω T1 RUBYCON RUBYCON STMicroelectronics EPCOS PC817 SHARP Switch mode transformer WE - 750871012 Würth Elektronik T2 Common mode line filter BU15-4530R4BL Coilcraft U1 Offline switching regulator VIPER27HN STMicroelectronics VR1 Voltage reference TS431 STMicroelectronics