component

9AC37500121040

Public Made by Adom

by adom

JGHC Crystals, HC-49S. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

componentcrystal oscillator-oscillator-resonator9ac37500121040factory-2.0.0extractor-text
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3D Model

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Symbol & Footprint

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PCB Footprint

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Datasheet

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Contents

README

markdown

9AC37500121040

JGHC · Crystals · HC-49S

9AC37500121040 from JGHC, 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 JGHC
Package HC-49S
Category Crystal Oscillator/Oscillator/Resonator
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℃ -10 10 ppm 25℃ 2
Temperature Frequency Stability -30 30 ppm -40~85℃ 2
Operating Temperature Range -40 85 ℃ 2
Storage Temperature Range -40 90 ℃ 2
Shunt capacitance C0 7 pF 2
Equivalent Series Resistance ESR 40 Ω 2
Insulation Resistance 500 MΩ DC100V 2
Drop test frequency change 5 ppm Free drop from 75cm height, 3 times 4
Mechanical shock frequency change 5 ppm Half sine wave, 1000G, 0.5mS, three times for all 3 directions 4
Vibration frequency change 5 ppm 10~55hz, amplitude 1.52mm 4
Resistance to soldering heat frequency change 10 ppm 260℃±5℃, 10±1sec. 4
High temp & humidity frequency change 10 ppm 85±3℃ & RH85%, 500±12 hours 4
Low temperature storage frequency change 10 ppm -40±3℃, 500±12 hours 4
High temperature storage frequency change 10 ppm +85±3℃, 500±12 hours 4
Temperature cycling frequency change 10 ppm -40±3℃/10min~+85±3℃/10min, 100cycles 4
Nominal Frequency 37.5 MHz 2
Load Capacitance CL 12 pF 2
Drive Level 50 uW 2

CAD (KiCad official)

  • Symbol: 9AC37500121040
  • Footprint: Crystal:Crystal_HC49-4H_Vertical
  • 3D model: HC-49S (KiCad packages3D, STEP)
  • 3D model files: 9ac37500121040-etched.step / 9ac37500121040-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 9ac37500121040.step / 9ac37500121040.glb are the bare package body.

Provenance

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

  • Datasheet: JGHC datasheet (6 pp, sha256 ``, retrieved 2026-10-22, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • 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