main
Download ZIP Propose a change
Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray 16d ago
viewers 72012000rw1: viewers · Ray 16d ago
72012000rw1-etched.glb Publish 0.1.0 · Ray 16d ago
72012000rw1-etched.step 72012000rw1: factory component page (tier=lcsc) · Ray 16d ago
72012000rw1-hero.glb 72012000rw1: hero GLB from the etched model (keeps the MPN mark) · Ray 16d ago
72012000rw1-hero.overlay.json Publish 0.1.0 · Ray 16d ago
72012000rw1.glb Publish 0.1.0 · Ray 16d ago
72012000rw1.kicad_mod Publish 0.1.0 · Ray 16d ago
72012000rw1.kicad_sym Publish 0.1.0 · Ray 16d ago
72012000rw1.lbr Publish 0.1.0 · Ray 16d ago
72012000rw1.step Publish 0.1.0 · Ray 16d ago
package.json Publish 0.1.0 · Ray 16d ago
page.json Set visibility: public · Ray 16d ago
README.md Publish 0.1.0 · Ray 16d ago

72012000RW1

HD · Crystals · HC-49S-SMD

72012000RW1 from HD, in a HC-49S-SMD. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 1 passive Terminal 1 of a two-terminal crystal; either orientation.
2 2 passive Terminal 2 of a two-terminal crystal; either orientation.

Key specifications

Parameter Value
Manufacturer HD
Package HC-49S-SMD
Category Crystals, Oscillators, Resonators
Pins 2

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Frequency Tolerance Δf/f -20 20 ppm 1
Frequency Temperature Stability -20 20 ppm 1
Aging ΔfA -5 5 ppm/Year 1
Shunt Capacitance C0 7 pF 1
Resonance Resistance 40 ohms 1
Insulation Resistance IR 500 M ohms 1
Operating Temperature Range TOPR -20 70 °C 1
Storage Temperature Range TSTG -55 125 °C 1
Drop characteristics, frequency change -5 5 ppm Free drop from 75cm on hard wooden board, 3 times; frequency change 2
Mechanical shock, frequency change -5 5 ppm Half sine wave 1000g, three mutually perpendicular axes, 3 times each; frequency change 2
Shake characteristics, frequency change -5 5 ppm Shake 10~55Hz, swing 1.5mm, x/y/z, 30 minutes, tested after 1 hour; frequency change 2
Humidity characteristics, frequency change -5 5 ppm +40±2°C, 90%~95% R.H., 250 hours; frequency change 2
Low temperature characteristics, frequency change -5 5 ppm -40±2°C, 250 hours, tested after 1 hour at room temperature; frequency change 2
High temperature characteristics, frequency change -5 5 ppm +85±2°C, 250 hours, tested after 1 hour at room temperature; frequency change 2
Temperature cycling, frequency change -5 5 ppm -30±3°C/30±3 min to +85±2°C/30±3 min, 5 cycles; frequency change 2
Reflow examination, frequency change -5 5 ppm Reflow examination; frequency change 2
Nominal Frequency f 12 Hz 1
Load Capacitance CL 20 pF 1
Drive Level DL 100 µW typical 1

CAD (KiCad official)

  • Symbol: 72012000RW1
  • Footprint: Crystal:Crystal_SMD_HC49-SD
  • 3D model: HC-49S-SMD (KiCad packages3D, STEP)
  • 3D model files: 72012000rw1-etched.step / 72012000rw1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 72012000rw1.step / 72012000rw1.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: HD datasheet (4 pp, sha256 ``, retrieved 2026-10-15, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary crystal numbering (convention), consensus off (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF