# Transistor Switch Relay ## Description Demo Transistor Switch Relay | Forked Design ## Project Details - **Owner:** fapulito - **Created:** 3/11/2022 - **Last Updated:** 3/26/2025 - **Visibility:** Public - **Stars:** 1 - **Forks:** 26 ## Key Components ### B1 — [Battery Holder SMD 1 Cell 18650](https://www.flux.ai/jharwinbarrozo/battery-holder-smd-1-cell-18650~wj1.md) - Manufacturer Name: Keystone Electronics - Manufacturer Part Number: 1042 - Datasheet URL: https://www.keyelco.com/userAssets/file/M65p27.pdf - Voltage: 4.2V **Pins:** - NEGATIVE [pin 2] - POSITIVE [pin 1] ### D1 — [1N4007W](https://www.flux.ai/jharwinbarrozo/1n4007w~zz.md) - Manufacturer Name: Shandong Jingdao Microelectronics - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811031612_Shandong-Jingdao-Microelectronics-1N4007W_C108803.pdf - Manufacturer Part Number: 1N4007W - Part Type: Diode **Pins:** - A [pin 2] - K [pin 1] ### J1 — [XY301V-A-5.0-3P](https://www.flux.ai/jharwinbarrozo/xy301v-a-50-3p~ox.md) - Manufacturer Part Number: XY301V-A-5.0-3P - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2411121455_Ningbo-Xinlaiya-Elec--XY301V-A-5-0-3P_C557652.pdf - Manufacturer Name: Ningbo Xinlaiya Elec. **Pins:** - PIN1 [pin 1] - PIN2 [pin 2] - PIN3 [pin 3] ### LED1 — [LED 0805 (2012 Metric)](https://www.flux.ai/jharwinbarrozo/led-0805-2012-metric~ph.md) - Forward Voltage: 1.8V - Part Type: LED **Pins:** - A - K ### Q1 — [S8050-JH](https://www.flux.ai/jharwinbarrozo/s8050-jh~k9s.md) - Manufacturer Part Number: S8050 - Beta / hFe: 300 **Pins:** - B [pin 2] - C [pin 3] - E [pin 1] ### S1 — [Push Button](https://www.flux.ai/jharwinbarrozo/push-button~eqk.md) - Manufacturer Name: OMRON - Manufacturer Part Number: B3FS-1050P - Part Type: Switch - Datasheet URL: https://datasheet.lcsc.com/lcsc/1809271215_Omron-Electronics-B3FS-1050P_C231326.pdf **Pins:** - P1 [pin 1] - P2 [pin 3] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/fapulito/transistor-switch-relay~66](https://www.flux.ai/fapulito/transistor-switch-relay~66).* --- *Generated from [https://www.flux.ai/fapulito/transistor-switch-relay~66](https://www.flux.ai/fapulito/transistor-switch-relay~66)*