component
49S012288CQ
Public Made by Adomby adom
huaxindianzi 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
markdown49S012288CQ
huaxindianzi · Crystals · HC-49S
49S012288CQ from huaxindianzi, 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 | huaxindianzi |
| 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℃±℃ | 4 | ||
| Temperature frequency deviation (table label: Equivalent Series Resistance) | -30 | 30 | ppm | 4 | |||
| Operating Temperature | TC | -40 | 85 | ℃ | 4 | ||
| Resonant resistance | RR | 70 | Ω | 4 | |||
| Direct capacitance | C0 | 3 | pF | 4 | |||
| Insulation resistance | IR | 500 | MΩ | At DC 100V | 4 | ||
| Parasitic attenuation | SPDB | -3 | dB | -1000ppm～6500ppm | 4 | ||
| Aging rate | -2 | 2 | ppm | 1st year max | 4 | ||
| Storage temperature range | -55 | 125 | ℃ | 4 | |||
| Nominal Frequency | F0 | 12.288 | MHz | 4 | |||
| Load Capacitance | CL | 20 | pF | 4 | |||
| Drive Level | DL | 350 | μW | 4 |
CAD (KiCad official)
- Symbol:
49S012288CQ - Footprint:
Crystal:Crystal_HC49-4H_Vertical - 3D model: HC-49S (KiCad packages3D, STEP)
- 3D model files:
49s012288cq-etched.step/49s012288cq-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);49s012288cq.step/49s012288cq.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: huaxindianzi datasheet (10 pp, sha256 ``, retrieved 2026-10-13, 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).