# ACE10W_MW ## Description 10 W IEC 62368 Class II Isolated Flyback AC/DC Converter (85–305 Vac to 5 V @ 2 A, 80% Efficiency, 6 mm Creepage, EE-Core Transformer, 90 °C Ambient) #flyback #classII #EEcore ## Project Details - **Owner:** hkpopat - **Created:** 1/26/2026 - **Last Updated:** 2/21/2026 - **Visibility:** Public - **ICE3AR4780JZ Package:** 16-SOP - **System Architecture:** ```mermaid flowchart TD AC_Input["AC Input 85-305 Vac"] Rectifier["Mains Rectifier / HVDC Bus"] U1["ICE3AR4780JZ Switch"] T1["Flyback Transformer"] Sec_Rect["Secondary Rectifier / Filter"] Output5V["5 V Output"] AC_Input --> Rectifier Rectifier --> U1 U1 --> T1 T1 --> Sec_Rect Sec_Rect --> Output5V ``` - **Creepage Distance:** 4mm ## Key Components ### -Vo — SOURCE PIN_D1.3mm_PAD2.5mm_L **Pins:** - P ### +Vo — SOURCE PIN_D1.3mm_PAD2.5mm_L **Pins:** - P ### BD1 — [ABS10](https://www.flux.ai/adrian95/abs10.md) - Manufacturer Part Number: ABS10 - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://octopart.com/datasheet/abs10-diotec-31407485 - Part Type: Diode - Manufacturer Name: Diotec Semiconductor **Pins:** - - [pin 2] - + [pin 1] - P3 [pin 3] - P4 [pin 4] ### D100 — [SBR10A45SP5-13](https://www.flux.ai/lcsc/sbr10a45sp5-13.md) - Package or Case Code: POWERDI-5_L5.4-W4.0-LS6.5-RD - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409300133_Diodes-Incorporated-SBR10A45SP5-13_C780892.pdf - LCSC Part Number: C780892 - Manufacturer Part Number: SBR10A45SP5-13 - Product Info Url: https://lcsc.com/product-detail/Diodes-Rectifiers-Fast-Recovery_Diodes-Incorporated-SBR10A45SP5-13_C780892.html - Part Type: Super Barrier Rectifier (SBR) - Manufacturer Name: DIODES(美台) - JLCPCB Part Class: Extended Part **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] ### D2 — [Generic Diode](https://www.flux.ai/jharwinbarrozo/generic-diode-1l3gh.md) - Package: THT_DO-41_SOD81_P5.08mm_Vertical_AnodeUp - Part Type: Diode **Pins:** - A [pin 2] - K [pin 1] ### D3 — [1A Rectifier Diode](https://www.flux.ai/corynrobinson/1a-rectifier-diode.md) - Manufacturer Name: Vishay - Manufacturer Part Number: S1J-E3_61T - Capacitance: 12pF - Package or Case Code: D_SOD-123F - Current: 1A - Purchase Url: https://octopart.com/s1j-e3%2F61t-vishay-39552151#CadModels - Max Reverse Voltage: 600V - Part Type: Diode - Forward Voltage: 1.1V - Datasheet URL: https://datasheet.octopart.com/S1J-E3-61T-Vishay-datasheet-10950683.pdf **Pins:** - ANODE [pin 2] - CATHODE [pin 1] ### FL1 — SOURCE PIN_D1mm_PAD2mm_FL **Pins:** - P ### FL2 — SOURCE PIN_D1mm_PAD2mm_FL **Pins:** - P ### FL3 — SOURCE PIN_D1.3mm_PAD2.5mm_L **Pins:** - P ### FL4 — SOURCE PIN_D1.3mm_PAD2.5mm_L **Pins:** - P ### FS1 — [MST 2A 250V](https://www.flux.ai/lcsc/mst-2a-250v.md) - JLCPCB Part Class: Extended Part - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_CONQUER-MST-2A-250V_C388802.pdf - Part Type: Fuses with Leads (Through Hole) - Manufacturer Part Number: MST 2A 250V - LCSC Part Number: C388802 - Manufacturer Name: CONQUER(功得) - Product Info Url: https://lcsc.com/product-detail/Fuses-with-Leads-Through-Hole_CONQUER-MST-2A-250V_C388802.html - Package or Case Code: FUSE-TH_L8.4-W4.3-P5.08-D1.0 **Pins:** - 1 [pin 1] - 2 [pin 2] ### N — SOURCE PIN_D1.3mm_PAD2.5mm_L **Pins:** - P ### RTH1 — NTC_D5MM_P5MM - Manufacturer Name: RUILON(瑞隆源) - Part Type: NTC Thermistors - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2303310930_RUILON-Shenzhen-Ruilongyuan-Elec-NTC-5D-07_C436793.pdf - Manufacturer Part Number: NTC_5D-07 - Package or Case Code: RES-TH_L8.5-W5.5-P5.00-D0.6-S5.50 - LCSC Part Number: C436793 - Product Info Url: https://lcsc.com/product-detail/New-Arrivals_Shenzhen-Ruilongyuan-Elec-NTC-5D-07_C436793.html - JLCPCB Part Class: Extended Part **Pins:** - 1 [pin 1] - 2 [pin 2] ### SHR1 — [AZ431BN-ATRG1](https://www.flux.ai/lcsc/az431bn-atrg1.md) - Part Type: Voltage References - Manufacturer Name: DIODES(美台) - Manufacturer Part Number: AZ431BN-ATRG1 - Product Info Url: https://lcsc.com/product-detail/Voltage-References_Diodes-Incorporated-AZ431BN-ATRG1_C507896.html - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_Diodes-Incorporated-AZ431BN-ATRG1_C507896.pdf - JLCPCB Part Class: Extended Part - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR - LCSC Part Number: C507896 **Pins:** - ANODE [pin 3] - CATHODE [pin 2] - REF [pin 1] ### T1_1 — SOURCE PIN_D1mm_PAD2mm_FL **Pins:** - P ### T1_2 — SOURCE PIN_D1mm_PAD2mm_FL **Pins:** - P ### U1 — [ICE3AR4780JZ](https://www.flux.ai/lcsc/ice3ar4780jz.md) - Vds_rating: 650V - Package or Case Code: PG-DIP-7_L9.5-W6.4-P2.54-LS7.6-BL-PE6 - Manufacturer Name: Infineon(英飞凌) - Part Type: AC-DC Controllers & Regulators - Drain to Source Voltage: 650V - switching_frequency: 100kHz - demag_timing_min: 20000us - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2005291833_Infineon-Technologies-ICE3AR4780JZ_C535782.pdf - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/Switching-Controllers_Infineon-Technologies-ICE3AR4780JZ_C535782.html - current_limit: 1.06V - switching_frequency_jitter_period: 4ms - switching_frequency_range: 96kHz–104kHz - switching_frequency_jitter: ±4% - LCSC Part Number: C535782 - demag_timing_max: 1000000 - Manufacturer Part Number: ICE3AR4780JZ **Pins:** - BBA [pin 1] - CS [pin 3] - Drain [pin 5] - FBB [pin 2] - GND [pin 8] - n.c. [pin 4] - VCC [pin 7] ### U2 — [CT817C(SL)(T1)-H](https://www.flux.ai/lcsc/ct817cslt1-h.md) - Product Info Url: https://lcsc.com/product-detail/Others_CT-Micro-International_CT817C-SL-T3-H_CT-Micro-International-CT817C-SL-T3-H_C191932.html - Part Type: Optocouplers - Phototransistor Output - LCSC Part Number: C191932 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410121452_CT-Micro-International-CT817C-SL-T1-H_C191932.pdf - Package or Case Code: SOP-4_L6.4-W4.6-P2.54-LS10.2-TL - JLCPCB Part Class: Extended Part - Manufacturer Name: CT MICRO - Manufacturer Part Number: CT817C(SL)(T1)-H **Pins:** - ANODE [pin 1] - CATHODE [pin 2] - COLLECTOR [pin 4] - EMITTER [pin 3] ### ZD1 — [MMSZ5239B-7-F](https://www.flux.ai/adrian95/mmsz5239b-7-f.md) - Datasheet URL: https://www.diodes.com/assets/Datasheets/ds18010.pdf - Manufacturer Name: Diodes Incorporated - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: MMSZ5239B-7-F - Part Type: Diode **Pins:** - A [pin 2] - K [pin 1] ### ZD41 — [M7-Diode](https://www.flux.ai/openpartlist/m7-diode.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Diode - Manufacturer Part Number: M7 - Manufacturer Name: Diotec Semiconductor - Datasheet URL: https://https://diotec.com/tl_files/diotec/files/pdf/datasheets/m1.pdfwww.taiwansemi.com/assets/uploads/datasheet/SK32A%20SERIES_V2102.pdf **Pins:** - A [pin 2] - K [pin 1] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/hkpopat/ace10wmw](https://www.flux.ai/hkpopat/ace10wmw).* --- *Generated from [https://www.flux.ai/hkpopat/ace10wmw](https://www.flux.ai/hkpopat/ace10wmw)*