# AC Dimmer Module ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** fazlurdrasis - **Created:** 3/27/2026 - **Last Updated:** 3/27/2026 - **Visibility:** Public ## Key Components ### F1 — [01110501Z](https://www.flux.ai/jecstronic/01110501z~dfa.md) - Manufacturer Name: Littelfuse - Part Type: Fuse Holder - Datasheet URL: https://datasheet.lcsc.com/lcsc/1810281720_Littelfuse-01110501Z_C151075.pdf - Role: Fuse Holder - Role Details: Series fuse holder on AC Line input for overcurrent protection - Package: THT - Manufacturer Part Number: 01110501Z **Pins:** - P1 [pin 1] - P1 [pin 1] - P2 [pin 2] - P2 [pin 2] ### J1 — [2-Position Top Entry Screw Terminal](https://www.flux.ai/corynrobinson/2-position-top-entry-screw-terminal~yr.md) - Part Type: Connector - Role: AC Input Connector - Manufacturer Part Number: 1935310 - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Phoenix%20Contact%20PDFs/1935310.pdf - Package: THT - Manufacturer Name: Phoenix - Role Details: 2-position screw terminal for mains Line and Neutral input **Pins:** - P1 [pin 1] - P2 [pin 2] ### J2 — [2-Position Top Entry Screw Terminal](https://www.flux.ai/corynrobinson/2-position-top-entry-screw-terminal~yr.md) - Manufacturer Name: Phoenix - Role: AC Output Connector - Role Details: 2-position screw terminal for switched load output - Part Type: Connector - Package: THT - Manufacturer Part Number: 1935310 - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Phoenix%20Contact%20PDFs/1935310.pdf **Pins:** - P1 [pin 1] - P2 [pin 2] ### J3 — [5-146256-2](https://www.flux.ai/adrian95/5-146256-2~qmp.md) - Manufacturer Name: TE Connectivity - Implementation Details: Pin 1=VCC, Pin 2=GND, Pin 3=ZC, Pin 4=DIM - Role Details: 4-pin header carrying VCC, GND, ZC, and DIM signals - Role: Control Header - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.te.com/usa-en/product-5-146256-2.datasheet.pdf - Package: THT - Package or Case Code: HDRV4W77P254_2X2_467X488X821P - Manufacturer Part Number: 5-146256-2 **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### LED1 — [LED-THT-5MM](https://www.flux.ai/vasy_skral/led-tht-5mm~od.md) - Part Type: LED - Role Details: Low-voltage side status indicator - Role: Status LED - Package: THT **Pins:** - A [pin 2] - K [pin 1] ### Q1 — [BT136-600E,127](https://www.flux.ai/adrian95/bt136-600ec127~cvx.md) - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/NXP%20PDFs/BT136-600E.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Role: TRIAC Power Stage - Manufacturer Name: WeEn Semiconductors - Package: TO-220AB - Manufacturer Part Number: BT136-600E,127 - Role Details: Main bidirectional switch for phase-angle AC dimming - Part Type: Thyristors **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] ### U1 — [MOC3021](https://www.flux.ai/adrian95/moc3021~gly.md) - Package: DIP-6 - Manufacturer Part Number: MOC3021 - Manufacturer Name: Lite-On Inc. - Datasheet URL: https://optoelectronics.liteon.com/upload/download/DS-70-99-0019/MOC302X%20series%20201606.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: Random-phase optocoupler used to trigger the main triac from DIM input - Part Type: iso - Role: Optotriac Driver **Pins:** - ANODE [pin 1] - CATHODE [pin 2] - MAIN_TERMINAL_1 [pin 4] - MAIN_TERMINAL_2 [pin 6] - NC [pin 3] - SUBSTRATE [pin 5] ### U2 — [PC817](https://www.flux.ai/kicad-part-library/pc817~0c.md) - Package: DIP-4 - Manufacturer Part Number: PC817 - Role Details: Optocoupler output provides isolated mains zero-cross signal to controller - Role: Zero-Cross Detector - Package or Case Code: DIP-4_W7.62mm - Datasheet URL: http://www.soselectronic.cz/a_info/resource/d/pc817.pdf **Pins:** - ~ [pin 1] - ~ [pin 3] - ~ [pin 2] - ~ [pin 4] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/fazlurdrasis/ac-dimmer-module~ua](https://www.flux.ai/fazlurdrasis/ac-dimmer-module~ua).* --- *Generated from [https://www.flux.ai/fazlurdrasis/ac-dimmer-module~ua](https://www.flux.ai/fazlurdrasis/ac-dimmer-module~ua)*