# SOT-23-5 ## Description SOT-23-5 is a small 5-pin Surface Mount Device (SMD) package with a body size of 3mm x 1.4mm and a lead pitch of 0.95mm. The package has a low profile and is commonly used for small signal transistors and diodes. #part #template ## Project Details - **Owner:** alldaysblaze - **Created:** 2/17/2025 - **Last Updated:** 7/9/2025 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ - **Stars:** 1 ## Key Components ### U1 — [ATMEGA328-AU](https://www.flux.ai/lcsc/atmega328-au~jv64.md) - Part Type: MICROCHIP - Package or Case Code: TQFP-32_L7.0-W7.0-P0.80-LS9.0-BL - Manufacturer Part Number: ATMEGA328-AU - LCSC Part Number: C618731 - Manufacturer Name: MICROCHIP(美国微芯) - JLCPCB Part Class: Extended Part **Pins:** - (PCINT0/CLKO/ICP1)PB0 [pin 12] - (PCINT1/OC1A)PB1 [pin 13] - (PCINT19/OC2B/INT1)PD3 [pin 1] - (PCINT2/SS/OC1B)PB2 [pin 14] - (PCINT20/XCK/T0)PD4 [pin 2] - (PCINT21/OC0B/T1)PD5 [pin 9] - (PCINT22/OC0A/AIN0)PD6 [pin 10] - (PCINT23/AIN1)PD7 [pin 11] - (PCINT3/OC2A/MOSI)PB3 [pin 15] - (PCINT4/MISO)PB4 [pin 16] - (PCINT6/XTAL1/TOSC1)PB6 [pin 7] - (PCINT7/XTAL2/TOSC2)PB7 [pin 8] - ~{PC6(RESET}/PCINT14) [pin 29] - ADC6 [pin 19] - ADC7 [pin 22] - AREF [pin 20] - AVCC [pin 18] - GND [pin 3] - GND [pin 21] - GND [pin 5] - PB5(SCK/PCINT5) [pin 17] - PC0(ADC0/PCINT8) [pin 23] - PC1(ADC1/PCINT9) [pin 24] - PC2(ADC2/PCINT10) [pin 25] - PC3(ADC3/PCINT11) [pin 26] - PC4(ADC4/SDA/PCINT12) [pin 27] - PC5(ADC5/SCL/PCINT13) [pin 28] - PD0(RXD/PCINT16) [pin 30] - PD1(TXD/PCINT17) [pin 31] - PD2(INT0/PCINT18) [pin 32] - VCC [pin 4] - VCC [pin 6] ### U2 — [GS8551-TR](https://www.flux.ai/lcsc/gs8551-tr~yssv.md) - Part Type: Precision OpAmps - Manufacturer Part Number: GS8551-TR - Manufacturer Name: Gainsil(聚洵) - Product Info Url: https://lcsc.com/product-detail/Precision-OpAmps_Gainsil-GS8551-TR_C157715.html - LCSC Part Number: C157715 - Package or Case Code: SOT-23-5_L3.0-W1.7-P0.95-LS2.8-BR - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2206101816_Gainsil-GS8551-TR_C157715.pdf - JLCPCB Part Class: Extended Part **Pins:** - IN- [pin 4] - IN+ [pin 3] - OUT [pin 1] - VDD [pin 5] - VSS [pin 2] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/alldaysblaze/sot-23-5~k0](https://www.flux.ai/alldaysblaze/sot-23-5~k0).* --- *Generated from [https://www.flux.ai/alldaysblaze/sot-23-5~k0](https://www.flux.ai/alldaysblaze/sot-23-5~k0)*