# 555 discrete ## Description A discrete 555 timer plug-in replacement composed of 26 transistors and 16 resistors. ## Project Details - **Owner:** greg - **Created:** 10/13/2021 - **Last Updated:** 1/26/2022 - **Visibility:** Public - **Forks:** 1 ## Key Components ### Q1 — [NPN Transistor](https://www.flux.ai/jharwinbarrozo/npn-transistor.md) - Beta / hFe: 100 - Leakage Current: 5e-8A **Pins:** - B - C - E ### Q10 — [PNP Transistor](https://www.flux.ai/jharwinbarrozo/pnp-transistor.md) - Leakage Current: 5e-8A - Beta / hFe: 100 **Pins:** - B - C - E ### Q11 — [PNP Transistor](https://www.flux.ai/jharwinbarrozo/pnp-transistor.md) - Beta / hFe: 100 - Leakage Current: 5e-8A **Pins:** - B - C - E ### Q12 — [PNP Transistor](https://www.flux.ai/jharwinbarrozo/pnp-transistor.md) - Beta / hFe: 100 - Leakage Current: 5e-8A **Pins:** - B - C - E ### Q13 — [PNP Transistor](https://www.flux.ai/jharwinbarrozo/pnp-transistor.md) - Leakage Current: 5e-8A - Beta / hFe: 100 **Pins:** - B - C - E ### Q14 — [NPN Transistor](https://www.flux.ai/jharwinbarrozo/npn-transistor.md) - Beta / hFe: 100 - Leakage Current: 5e-8A **Pins:** - B - C - E ### Q15 — [PNP Transistor](https://www.flux.ai/jharwinbarrozo/pnp-transistor.md) - Beta / hFe: 100 - Leakage Current: 5e-8A **Pins:** - B - C - E ### Q16 — [NPN Transistor](https://www.flux.ai/jharwinbarrozo/npn-transistor.md) - Beta / hFe: 100 - Leakage Current: 5e-8A **Pins:** - B - C - E ### Q17 — [NPN Transistor](https://www.flux.ai/jharwinbarrozo/npn-transistor.md) - Beta / hFe: 100 - Leakage Current: 5e-8A **Pins:** - B - C - E ### Q18 — [PNP Transistor](https://www.flux.ai/jharwinbarrozo/pnp-transistor.md) - Beta / hFe: 100 - Leakage Current: 5e-8A **Pins:** - B - C - E ### Q19 — [NPN Transistor](https://www.flux.ai/jharwinbarrozo/npn-transistor.md) - Beta / hFe: 100 - Leakage Current: 5e-8A **Pins:** - B - C - E ### Q2 — [PNP Transistor](https://www.flux.ai/jharwinbarrozo/pnp-transistor.md) - Beta / hFe: 100 - Leakage Current: 5e-8A **Pins:** - B - C - E ### Q20 — [NPN Transistor](https://www.flux.ai/jharwinbarrozo/npn-transistor.md) - Beta / hFe: 100 - Leakage Current: 5e-8A **Pins:** - B - C - E ### Q21 — [NPN Transistor](https://www.flux.ai/jharwinbarrozo/npn-transistor.md) - Beta / hFe: 100 - Leakage Current: 5e-8A **Pins:** - B - C - E ### Q22 — [NPN Transistor](https://www.flux.ai/jharwinbarrozo/npn-transistor.md) - Leakage Current: 5e-8A - Beta / hFe: 100 **Pins:** - B - C - E ### Q23 — [PNP Transistor](https://www.flux.ai/jharwinbarrozo/pnp-transistor.md) - Beta / hFe: 100 - Leakage Current: 5e-8A **Pins:** - B - C - E ### Q24 — [PNP Transistor](https://www.flux.ai/jharwinbarrozo/pnp-transistor.md) - Leakage Current: 5e-8A - Beta / hFe: 100 **Pins:** - B - C - E ### Q25 — [NPN Transistor](https://www.flux.ai/jharwinbarrozo/npn-transistor.md) - Leakage Current: 5e-8A - Beta / hFe: 100 **Pins:** - B - C - E ### Q26 — [NPN Transistor](https://www.flux.ai/jharwinbarrozo/npn-transistor.md) - Leakage Current: 5e-8A - Beta / hFe: 100 **Pins:** - B - C - E ### Q3 — [NPN Transistor](https://www.flux.ai/jharwinbarrozo/npn-transistor.md) - Leakage Current: 5e-8A - Beta / hFe: 100 **Pins:** - B - C - E ### Q4 — [PNP Transistor](https://www.flux.ai/jharwinbarrozo/pnp-transistor.md) - Leakage Current: 5e-8A - Beta / hFe: 100 **Pins:** - B - C - E ### Q5 — [PNP Transistor](https://www.flux.ai/jharwinbarrozo/pnp-transistor.md) - Leakage Current: 5e-8A - Beta / hFe: 100 **Pins:** - B - C - E ### Q6 — [PNP Transistor](https://www.flux.ai/jharwinbarrozo/pnp-transistor.md) - Leakage Current: 5e-8A - Beta / hFe: 100 **Pins:** - B - C - E ### Q7 — [NPN Transistor](https://www.flux.ai/jharwinbarrozo/npn-transistor.md) - Leakage Current: 5e-8A - Beta / hFe: 100 **Pins:** - B - C - E ### Q8 — [NPN Transistor](https://www.flux.ai/jharwinbarrozo/npn-transistor.md) - Leakage Current: 5e-8A - Beta / hFe: 100 **Pins:** - B - C - E ### Q9 — [PNP Transistor](https://www.flux.ai/jharwinbarrozo/pnp-transistor.md) - Leakage Current: 5e-8A - Beta / hFe: 100 **Pins:** - B - C - E *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/greg/555-discrete](https://www.flux.ai/greg/555-discrete).* --- *Generated from [https://www.flux.ai/greg/555-discrete](https://www.flux.ai/greg/555-discrete)*