component
9AC28322202040C3
Public Made by Adomby 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.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdown9AC28322202040C3
JGHC · Crystals · HC-49S
9AC28322202040C3 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 | 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℃ | -20 | 20 | ppm | at 25℃ | 2 | ||
| Temperature Frequency Stability | -30 | 30 | ppm | 2 | |||
| Equivalent Series Resistance | 40 | Ω | 2 | ||||
| Shunt capacitance | 7 | pF | 2 | ||||
| Insulation Resistance | 500 | MΩ | DC100V | 2 | |||
| Operating Temperature Range | -40 | 85 | ℃ | 2 | |||
| Storage Temperature Range | -40 | 90 | ℃ | 2 | |||
| Drop Test frequency change | 5 | ppm | Free drop 50 cm on hard wooden board, 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 | Frequency range 10~55Hz, amplitude 1.52mm, 2Hrs per perpendicular axis | 4 | |||
| Resistance to Soldering Heat frequency change | 10 | ppm | Test temperature 260℃±5℃, time 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, 100 cycles | 4 | |||
| Drive Level | 50 | uW | 2 | ||||
| Load Capacitance | 20 | pF | 2 | ||||
| Nominal Frequency | 28.322 | MHz | 2 |
CAD (KiCad official)
- Symbol:
9AC28322202040C3 - Footprint:
Crystal:Crystal_HC49-4H_Vertical - 3D model: HC-49S (KiCad packages3D, STEP)
- 3D model files:
9ac28322202040c3-etched.step/9ac28322202040c3-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);9ac28322202040c3.step/9ac28322202040c3.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: JGHC datasheet (6 pp, sha256 ``, retrieved 2026-10-14, 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, primarycrystal numbering(convention), consensusoff(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).