component
RC035791115
Public Made by Adomby adom
TROQ 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
markdownRC035791115
TROQ · Crystals · HC-49S-SMD
RC035791115 from TROQ, 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 | TROQ |
| 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 |
|---|---|---|---|---|---|---|---|
| Operating Temperature Range | -20 | 70 | ℃ | or specify | 1 | ||
| Storage temperature Range | -40 | 85 | ℃ | 1 | |||
| Storage temperature Range (alternative) | -40 | 125 | ℃ | 1 | |||
| Aging Rate | -3 | 3 | ppm/year | Maximum | 1 | ||
| Load Capacitance | 4 | pF | Series; 4PF ~ ∞ | 1 | |||
| Static Capacitance | 7 | pF | 1 | ||||
| Resonance Resistance | 120 | Ω | 3.5790MHz ~ 8.000MHz | 1 | |||
| Resonance Resistance | 60 | Ω | 8.0MHz ~ 16.0MHz | 1 | |||
| Resonance Resistance | 40 | Ω | 16.0MHz ~ 30.0MHz | 1 | |||
| Resonance Resistance | 50 | Ω | 30.0MHz ~ 54.0MHz (Third Overtone) | 1 |
CAD (KiCad official)
- Symbol:
RC035791115 - Footprint:
Crystal:Crystal_SMD_HC49-SD - 3D model: HC-49S-SMD (KiCad packages3D, STEP)
- 3D model files:
rc035791115-etched.step/rc035791115-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);rc035791115.step/rc035791115.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: TROQ datasheet (1 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).