component
72012000RW1
Public Made by Adomby adom
HD 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
markdown72012000RW1
HD · Crystals · HC-49S-SMD
72012000RW1 from HD, 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 | HD |
| Package | HC-49S-SMD |
| 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 | Δf/f | -20 | 20 | ppm | 1 | ||
| Frequency Temperature Stability | -20 | 20 | ppm | 1 | |||
| Aging | ΔfA | -5 | 5 | ppm/Year | 1 | ||
| Shunt Capacitance | C0 | 7 | pF | 1 | |||
| Resonance Resistance | 40 | ohms | 1 | ||||
| Insulation Resistance | IR | 500 | M ohms | 1 | |||
| Operating Temperature Range | TOPR | -20 | 70 | °C | 1 | ||
| Storage Temperature Range | TSTG | -55 | 125 | °C | 1 | ||
| Drop characteristics, frequency change | -5 | 5 | ppm | Free drop from 75cm on hard wooden board, 3 times; frequency change | 2 | ||
| Mechanical shock, frequency change | -5 | 5 | ppm | Half sine wave 1000g, three mutually perpendicular axes, 3 times each; frequency change | 2 | ||
| Shake characteristics, frequency change | -5 | 5 | ppm | Shake 10~55Hz, swing 1.5mm, x/y/z, 30 minutes, tested after 1 hour; frequency change | 2 | ||
| Humidity characteristics, frequency change | -5 | 5 | ppm | +40±2°C, 90%~95% R.H., 250 hours; frequency change | 2 | ||
| Low temperature characteristics, frequency change | -5 | 5 | ppm | -40±2°C, 250 hours, tested after 1 hour at room temperature; frequency change | 2 | ||
| High temperature characteristics, frequency change | -5 | 5 | ppm | +85±2°C, 250 hours, tested after 1 hour at room temperature; frequency change | 2 | ||
| Temperature cycling, frequency change | -5 | 5 | ppm | -30±3°C/30±3 min to +85±2°C/30±3 min, 5 cycles; frequency change | 2 | ||
| Reflow examination, frequency change | -5 | 5 | ppm | Reflow examination; frequency change | 2 | ||
| Nominal Frequency | f | 12 | Hz | 1 | |||
| Load Capacitance | CL | 20 | pF | 1 | |||
| Drive Level | DL | 100 | µW | typical | 1 |
CAD (KiCad official)
- Symbol:
72012000RW1 - Footprint:
Crystal:Crystal_SMD_HC49-SD - 3D model: HC-49S-SMD (KiCad packages3D, STEP)
- 3D model files:
72012000rw1-etched.step/72012000rw1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);72012000rw1.step/72012000rw1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: HD datasheet (4 pp, sha256 ``, retrieved 2026-10-15, tier: lcsc)
- 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).