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HY8M49SSMDOB2R20
Public Made by Adomby adom
Huiyuan crystal Crystals, HC-49S-SMD. 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
markdownHY8M49SSMDOB2R20
Huiyuan crystal · Crystals · HC-49S-SMD
HY8M49SSMDOB2R20 from Huiyuan crystal, 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 | Huiyuan crystal |
| Package | HC-49S-SMD |
| 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 |
|---|---|---|---|---|---|---|---|
| Normal frequency range | 3.57954 | 32 | MHz | Series range, fundamental mode; the datasheet does not state the frequency for this MPN | 1 | ||
| Frequency tolerance | -20 | 20 | PPM | 25±3℃ | 1 | ||
| Stability over temperature range | -20 | 20 | PPM | -20℃ to+70℃ | 1 | ||
| Aging | -3 | 3 | PPM/Year | 1 | |||
| Effective series resistance | 120 | Ω | 3.579545~4.9152MHZ | 1 | |||
| Effective series resistance | 80 | Ω | 5.7520~6.7458MHZ | 1 | |||
| Effective series resistance | 60 | Ω | 7.2~8.704MHZ | 1 | |||
| Effective series resistance | 40 | Ω | 9.216~11.2896MHZ | 1 | |||
| Effective series resistance | 30 | Ω | 12~32MHZ | 1 | |||
| Shunt capacitance | C0 | 5 | PF | 1 | |||
| Insulation resistance | 500 | MΩ | DC 100V | 1 | |||
| Operation temperature range | -40 | 85 | ℃ | 1 | |||
| Storage temperature | -40 | 85 | ℃ | 1 | |||
| Load capacitance (CL) | CL | 20 | PF | 1 |
CAD (KiCad official)
- Symbol:
HY8M49SSMDOB2R20 - Footprint:
Crystal:Crystal_SMD_HC49-SD - 3D model: HC-49S-SMD (KiCad packages3D, STEP)
- 3D model files:
hy8m49ssmdob2r20-etched.step/hy8m49ssmdob2r20-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);hy8m49ssmdob2r20.step/hy8m49ssmdob2r20.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Huiyuan crystal datasheet (3 pp, sha256 ``, retrieved 2026-10-21, 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).