component
49ASC28800202040
Public Made by Adomby adom
JGHC 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
Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
PCB Footprint
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Datasheet
Open in new tab ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
README
markdown49ASC28800202040
JGHC · Crystals · HC-49S
49ASC28800202040 from JGHC, 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 | JGHC |
| 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 range | f | 3.2 | 90 | MHz | Fundamental, per datasheet frequency range | 1 | |
| Frequency tolerance | -30 | 30 | ppm | at 25℃; printed as ±30 ppm, or specify | 1 | ||
| Max. aging | -5 | 5 | ppm/year | at 25℃; printed as ±5 ppm/year max | 1 | ||
| Drive level | 1 | 100 | 500 | μW | Printed as 1 ~ 500 μW (100 μW typical) | 1 | |
| Shunt capacitance | C0 | 7 | pF | Printed as 7 pF Max | 1 | ||
| Equivalent series resistance, 3.2-3.686 MHz band | ESR | 200 | Ω | Fundamental; 3.2-3.686 MHz band | 1 | ||
| Equivalent series resistance, 3.686-5 MHz band | ESR | 150 | Ω | Fundamental; 3.686-5 MHz band | 1 | ||
| Equivalent series resistance, 5-10 MHz band | ESR | 80 | Ω | Fundamental; 5-10 MHz band | 1 | ||
| Equivalent series resistance, 10-14 MHz band | ESR | 40 | Ω | Fundamental; 10-14 MHz band | 1 | ||
| Equivalent series resistance, 14-30 MHz band | ESR | 30 | Ω | Fundamental; 14-30 MHz band | 1 | ||
| Equivalent series resistance, 27-30 MHz band | ESR | 100 | Ω | Fundamental; 27-30 MHz band (overlaps the 14-30 MHz row as printed) | 1 | ||
| Equivalent series resistance, 30-50 MHz band | ESR | 80 | Ω | Fundamental; 30-50 MHz band | 1 | ||
| Equivalent series resistance, 50-90 MHz band | ESR | 60 | Ω | Fundamental; 50-90 MHz band | 1 | ||
| Operating temperature range | -20 | 70 | ℃ | Operating Temperature Range as printed; value sits in scrambled layout | 1 | ||
| Storage temperature range | -40 | 85 | ℃ | Storage Temperature Range as printed; value sits in scrambled layout | 1 |
CAD (KiCad official)
- Symbol:
49ASC28800202040 - Footprint:
Crystal:Crystal_HC49-4H_Vertical - 3D model: HC-49S (KiCad packages3D, STEP)
- 3D model files:
49asc28800202040-etched.step/49asc28800202040-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);49asc28800202040.step/49asc28800202040.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: JGHC datasheet (1 pp, sha256 ``, retrieved 2026-10-14, 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).