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TAXD12M2GLDBET8S
Public Made by Adomby adom
Yajingxin 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
markdownTAXD12M2GLDBET8S
Yajingxin · Crystals · HC-49S
TAXD12M2GLDBET8S from Yajingxin, 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 | Yajingxin |
| 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 |
|---|---|---|---|---|---|---|---|
| Operating Temperature Range | -20 | 70 | ℃ | 2 | |||
| Storage Temperature Range | -30 | 85 | ℃ | 2 | |||
| Frequency Tolerance at 25℃ | -20 | 20 | ppm | at 25℃ | 2 | ||
| Stability over operation temperature | -30 | 30 | ppm | over operation temperature range | 2 | ||
| Aging | -5 | 5 | ppm/year | 2 | |||
| Shunt Capacitance | Co | 0 | 7 | pF | 2 | ||
| Peak/Classification Temperature (Tp) | 260 | ℃ | Pb-free reflow profile | 3 | |||
| Average Ramp-up Rate (Ts max to Tp) | 3 | ℃/second | Pb-free reflow profile | 3 | |||
| Ramp-down rate | 6 | ℃/second | Pb-free reflow profile | 3 | |||
| Time 25℃ to Peak Temperature | 8 | minutes | Pb-free reflow profile | 3 | |||
| Suggested reflow times | 3 | Times | 3 | ||||
| Frequency (nominal) | 12 | MHZ | 2 | ||||
| Load Capacitance | CL | 20 | pF | 2 |
CAD (KiCad official)
- Symbol:
TAXD12M2GLDBET8S - Footprint:
Crystal:Crystal_HC49-4H_Vertical - 3D model: HC-49S (KiCad packages3D, STEP)
- 3D model files:
taxd12m2gldbet8s-etched.step/taxd12m2gldbet8s-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);taxd12m2gldbet8s.step/taxd12m2gldbet8s.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Yajingxin datasheet (5 pp, sha256 ``, retrieved 2026-10-15, 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).