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49S-10.7386M-18PF-20PPM

TKD · Crystals · HC-49S

49S-10.7386M-18PF-20PPM from TKD, in a HC-49S. 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 TKD
Package HC-49S
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 at 25±3℃ (20 ppm suffix) dF/Fo -20 20 ppm Refer to Center Frequency@25±3℃ 3
Stability over temperature dF/F25 -30 30 ppm Refer to Operating Temperature 3
Aging dF/F25 -5 5 ppm Per Year 3
Equivalent Series Resistance ESR 70 Ω @Series 3
Insulation Resistance IR 500 MΩ @DC 100 Volt 3
Shunt Capacitance C0 5 pF 3
Load Capacitance (18pF part) CL 18 pF 3
Drive Level DL 0.1 100 uW 3
Nominal Frequency (10.7386 MHz part) 10.7386 MHz 3
Operating Temperature Range Topt -20 75 ℃ 3
Storage Temperature Range Tstg -40 85 ℃ 3

CAD (KiCad official)

  • Symbol: 49S-10.7386M-18PF-20PPM
  • Footprint: Crystal:Crystal_HC49-4H_Vertical
  • 3D model: HC-49S (KiCad packages3D, STEP)
  • 3D model files: 49s-10-7386m-18pf-20ppm-etched.step / 49s-10-7386m-18pf-20ppm-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 49s-10-7386m-18pf-20ppm.step / 49s-10-7386m-18pf-20ppm.glb are the bare package body.

Provenance

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

  • Datasheet: TKD datasheet (7 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