# [Walkthrough] Transistor Switch Relay p1 ## Project Details - **Owner:** jbreidfjord-dev - **Created:** 10/17/2023 - **Last Updated:** 10/17/2023 - **Visibility:** Public ## Key Components ### B1 — Battery Holder 1 Cell SMD - Manufacturer Name: Keystone Electronics - Voltage: 4.2V - Datasheet URL: https://www.keyelco.com/userAssets/file/M65p27.pdf - Manufacturer Part Number: 1042 **Pins:** - NEGATIVE [pin 2] - POSITIVE [pin 1] ### D2 — [1N4007W](https://www.flux.ai/jbreidfjord-dev/1n4007w~dq.md) - Manufacturer Part Number: 1N4007W - Part Type: Diode - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811031612_Shandong-Jingdao-Microelectronics-1N4007W_C108803.pdf - Manufacturer Name: Shandong Jingdao Microelectronics **Pins:** - A [pin 2] - K [pin 1] ### Q1 — [S8050-JH](https://www.flux.ai/jharwinbarrozo/s8050-jh~k9s.md) - Beta / hFe: 300 - Manufacturer Part Number: S8050 **Pins:** - B - C - E ### SW2 — B3FS-1050P - Manufacturer Part Number: B3FS-1050P - Manufacturer Name: OMRON - Datasheet URL: https://datasheet.lcsc.com/lcsc/1809271215_Omron-Electronics-B3FS-1050P_C231326.pdf - Part Type: Switch **Pins:** - P1 [pin 3] - P2 [pin 1] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/jbreidfjord-dev/walkthrough-transistor-switch-relay-p1~1r](https://www.flux.ai/jbreidfjord-dev/walkthrough-transistor-switch-relay-p1~1r).* --- *Generated from [https://www.flux.ai/jbreidfjord-dev/walkthrough-transistor-switch-relay-p1~1r](https://www.flux.ai/jbreidfjord-dev/walkthrough-transistor-switch-relay-p1~1r)*