Footprints

THT3 pads

Barrel Jack (Horizontal) 13.8 x 8.9mm DC power barrel jack — 5.5/2.1mm, the standard DC power input connector

SMD2 pads

CP_Elec 6.3x5.4 6.3 x 5.4mm SMD aluminum electrolytic capacitor — bulk decoupling for power supplies

SMD2 pads

C_0402 (1005 Metric) 1.0 x 0.5mm Tiny 0402 passive footprint — standard for high-density production boards

SMD2 pads

C_0603 (1608 Metric) 1.6 x 0.8mm Popular 0603 passive footprint — balances density and manufacturability

SMD2 pads

C_1210 (3225 Metric) 3.2 x 2.5mm Large SMD capacitor — high-value MLCC for bulk bypass and power filtering

SMD2 pads

Crystal SMD 3215 3.2 x 1.5mm Compact 2-pin SMD crystal — 32.768kHz RTC and MHz oscillators

SMD9 pads

DFN-8-1EP (3x2mm) 3.0 x 2.0mm · 0.5mm pitch Dual Flat No-lead — ultra-compact 8-pin leadless package with exposed pad

THT14 pads

DIP-14 (W7.62mm) 6.35 x 19.05mm · 2.54mm pitch Classic 14-pin through-hole IC — logic gates, op-amps, and comparators

THT16 pads

DIP-16 (W7.62mm) 6.35 x 21.59mm · 2.54mm pitch Standard 16-pin through-hole IC — shift registers, multiplexers, and drivers

THT8 pads

DIP-8 (W7.62mm) 6.35 x 9.27mm · 2.54mm pitch Classic 8-pin through-hole IC package — 300-mil row spacing

SMD2 pads

D_SMA (DO-214AC) 4.3 x 2.6mm SMA diode package — standard surface mount diode for rectifiers and TVS protection

SMD2 pads

D_SMB (DO-214AA) 5.3 x 3.6mm Medium-power SMD diode — TVS protection and rectifiers up to 3A

SMD2 pads

D_SOD-123 3.68 x 1.17mm Small Outline Diode 123 — compact SMD diode for signal and switching applications

SMD2 pads

D_SOD-323 1.7 x 1.25mm Tiny SMD diode — signal switching, ESD protection, and Schottky rectifiers

THT4 pads

JST XH 4-Pin 12.35 x 5.75mm · 2.50mm pitch JST XH connector — 2.50mm pitch, popular for battery and sensor wiring

THT2 pads

LED 5mm (Through-Hole) 5.0mm diameter · 2.54mm pitch Classic 5mm round LED — the most iconic indicator light in electronics

SMD2 pads

LED_0805 (2012 Metric) 2.0 x 1.25mm Standard 0805 SMD LED footprint — status indicators and panel lights

SMD100 pads

LQFP-100 14.0 x 14.0mm · 0.5mm pitch High pin-count QFP — 100-pin for STM32F7, ethernet controllers, and FPGAs

SMD48 pads

LQFP-48 7.0 x 7.0mm · 0.5mm pitch Low-profile Quad Flat Package — 48-pin IC package for microcontrollers

SMD64 pads

LQFP-64 10.0 x 10.0mm · 0.5mm pitch Low-profile Quad Flat Package — 64-pin for STM32F4 and mid-range microcontrollers

SMD2 pads

L_0805 (2012 Metric) 2.0 x 1.25mm Standard 0805 inductor footprint — ferrite beads, RF chokes, and filter inductors

SMD10 pads

MSOP-10 3.0 x 3.0mm · 0.5mm pitch Micro Small Outline Package — 10-pin miniature IC for ADCs, DACs, and sensors

SMD2 pads

Omron B3U-1000P 3.0 x 2.5mm · 3.50mm pitch Ultra-small tactile switch — 3x2.5mm SMD pushbutton for reset and mode select

THT4 pads

Pin Header 1x04 2.54 x 10.16mm · 2.54mm pitch Standard 4-pin 2.54mm header — I2C, SPI, UART, and sensor connections

THT10 pads

Pin Header 2x05 5.08 x 12.70mm · 2.54mm pitch Dual-row 10-pin header — JTAG/SWD debug, ISP programming, and ribbon cables

SMD21 pads

QFN-20-1EP 4.0 x 4.0mm · 0.5mm pitch Quad Flat No-lead — 20-pin leadless package with exposed thermal pad

SMD49 pads

QFN-48-1EP 7.0 x 7.0mm · 0.5mm pitch Dense 48-pin QFN — STM32, ESP32-S3, and wireless SoCs

SMD57 pads

QFN-56-1EP (RP2040 / RP2350) 7.0 x 7.0mm · 0.4mm pitch Dense 56-pin QFN — the Raspberry Pi RP2040 and RP2350 microcontroller package

SMD2 pads

R_0201 (0603 Metric) 0.6 x 0.3mm Smallest standard passive — 0.6 x 0.3mm for smartphones and ultra-dense boards

SMD2 pads

R_0805 (2012 Metric) 2.0 x 1.25mm Standard 0805 resistor/capacitor footprint — the most popular passive component size

SMD2 pads

R_1206 (3216 Metric) 3.2 x 1.6mm Larger SMD passive — higher power rating for current sense and power resistors

SMD14 pads

SOIC-14 3.9 x 8.7mm · 1.27mm pitch Standard 14-pin SOIC — quad op-amps, logic ICs, and motor drivers

SMD16 pads

SOIC-16W (Wide Body) 7.5 x 10.3mm · 1.27mm pitch Wide-body 16-pin SOIC — RS-485 transceivers, motor drivers, and ADCs

SMD8 pads

SOIC-8 3.9 x 4.9mm · 1.27mm pitch Small Outline IC — the most popular 8-pin surface mount IC package

SMD4 pads

SOT-223-3 6.5 x 3.5mm · 2.30mm pitch Medium-power SMD package — popular for LDO regulators like AMS1117 and AP2112

SMD3 pads

SOT-23-3 2.9 x 1.3mm · 0.95mm pitch Small Outline Transistor — 3-pin SMD package, the most common transistor footprint

SMD5 pads

SOT-23-5 2.9 x 1.6mm · 0.95mm pitch 5-pin SOT-23 variant — used for LDO regulators, op-amps, and voltage references

SMD6 pads

SOT-23-6 2.9 x 1.6mm · 0.95mm pitch 6-pin SOT-23 variant — USB ESD protection, LDOs with enable, and small logic

SMD6 pads

SOT-363 (SC-70-6) 2.0 x 1.25mm · 0.65mm pitch Ultra-compact 6-pin package — dual transistors, analog switches, and tiny logic ICs

SMD3 pads

SOT-89-3 4.5 x 2.5mm · 1.50mm pitch Medium-power SMD transistor package — better thermal than SOT-23, smaller than SOT-223

SMD28 pads

SSOP-28 5.3 x 10.2mm · 0.65mm pitch Shrink Small Outline Package — 28-pin IC for FTDI, USB bridges, and ADCs

THT3 pads

TO-220-3 Vertical 10.0 x 4.5mm · 2.54mm pitch Standard 3-pin through-hole power package — voltage regulators and power transistors

SMD3 pads

TO-252 (DPAK) 6.5 x 6.0mm · 2.28mm pitch Surface-mount power package — MOSFETs and voltage regulators up to 2W

SMD3 pads

TO-263 (D2PAK) 15.2 x 10.2mm · 2.54mm pitch High-power SMD package — up to 3W, for power MOSFETs and linear regulators

SMD32 pads

TQFP-32 7.0 x 7.0mm · 0.8mm pitch Thin Quad Flat Package — 32-pin for ATmega328P, STM32, and small MCUs

SMD44 pads

TQFP-44 10.0 x 10.0mm · 0.8mm pitch Thin Quad Flat Package — 44-pin for ATmega32, PIC18, and sensor ICs

SMD14 pads

TSSOP-14 4.4 x 5.0mm · 0.65mm pitch Thin Shrink Small Outline Package — 14-pin IC package with 0.65mm pitch

SMD20 pads

TSSOP-20 4.4 x 6.5mm · 0.65mm pitch Thin Shrink Small Outline — 20-pin IC for shift registers, I/O expanders, and drivers

Mixed12 pads

USB-C Receptacle (HRO TYPE-C-31-M-12) 8.94 x 7.30mm · 0.5mm pitch USB Type-C receptacle — 12-pin mid-mount connector for USB 2.0

SMD11 pads

microSD Card Slot (Molex) 14.0 x 14.6mm · 1.10mm pitch Molex microSD HC card connector — push-push ejection, SMD mounting