# [Walkthrough] Transistor Switch Relay p1 ## Project Details - **Owner:** jaspreetqa - **Created:** 1/20/2023 - **Last Updated:** 1/26/2023 - **Visibility:** Public - **Stars:** 1 - **Forks:** 1 ## Key Components ### B2 — [Battery Holder 1 Cell SMD](https://www.flux.ai/jharwinbarrozo/battery-holder-smd-1-cell-18650~wj1.md) - Manufacturer Part Number: 1042 - Datasheet URL: https://www.keyelco.com/userAssets/file/M65p27.pdf - Manufacturer Name: Keystone Electronics - Voltage: 4.2V **Pins:** - NEGATIVE - POSITIVE ### J2 — [XY301V-A-5.0-3P](https://www.flux.ai/jharwinbarrozo/xy301v-a-50-3p~ox.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/2005271131_Ningbo-Xinlaiya-Elec--XY301V-A-5-0-3P_C557652.pdf - Manufacturer Part Number: XY301V-A-5.0-3P - Manufacturer Name: Microchip **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 - Manufacturer Part Number: LTST-C170CKT - Part Type: LED - Manufacturer Name: Lite-on - Datasheet URL: https://datasheet.lcsc.com/lcsc/2011082106_Lite-On-LTST-C170CKT_C913077.pdf **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 ### SW1 — [B3FS-1050P](https://www.flux.ai/jharwinbarrozo/b3fs-1050p~hog.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/1809271215_Omron-Electronics-B3FS-1050P_C231326.pdf - Manufacturer Part Number: B3FS-1050P - Part Type: Switch - Manufacturer Name: OMRON **Pins:** - P1 - P2 *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/jaspreetqa/walkthrough-transistor-switch-relay-p1~q9](https://www.flux.ai/jaspreetqa/walkthrough-transistor-switch-relay-p1~q9).* --- *Generated from [https://www.flux.ai/jaspreetqa/walkthrough-transistor-switch-relay-p1~q9](https://www.flux.ai/jaspreetqa/walkthrough-transistor-switch-relay-p1~q9)*