component
ECS-163.8-18-4XEN
Public Made by Adomby adom
ECS 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.
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ECS-163.8-18-4XEN
ECS · Crystals · HC-49S
ECS-163.8-18-4XEN from ECS, 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 | ECS |
| 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 | Fo | 3.57 | 70 | MHz | 1 | ||
| Frequency tolerance (standard, no tolerance letter in P/N) | -30 | 30 | ppm | @ +25°C | 1 | ||
| Frequency stability (option E) | -50 | 50 | ppm | -10 ~ +70°C | 1 | ||
| Aging (first year) | -5 | 5 | ppm | First year, @ +25°C ±3°C | 1 | ||
| Operating temperature (option N) | Topr | -40 | 85 | °C | P/N option N: -40 ~ +85°C | 1 | |
| Storage temperature | Tstg | -55 | 125 | °C | 1 | ||
| Shunt capacitance | Co | 7 | pF | 1 | |||
| Drive level | DL | 500 | μW | 1 | |||
| Equivalent series resistance (ESR) | ESR | 40 | Ω | 13.000 ~ 19.999 MHz band, fundamental mode | 1 | ||
| Nominal frequency (this MPN) | Fo | 16.384 | MHz | P/N 163.8 = 16.384 MHz per Developed Frequencies table | 2 | ||
| Load capacitance (this MPN) | 18 | pF | P/N 18 = 18 pF; table prints 'Specify in P/N' | 1 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | tin | MSL 1, Lead Finish Sn/Cu Matte HC-49USX | 2 |
CAD (KiCad official)
- Symbol:
ECS-163.8-18-4XEN - Footprint:
Crystal:Crystal_HC49-4H_Vertical - 3D model: HC-49S (KiCad packages3D, STEP)
- 3D model files:
ecs-163-8-18-4xen-etched.step/ecs-163-8-18-4xen-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ecs-163-8-18-4xen.step/ecs-163-8-18-4xen.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: ECS datasheet (2 pp, sha256 ``, retrieved 2026-10-16, 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).
# ECS-163.8-18-4XEN
**ECS** · Crystals · HC-49S
ECS-163.8-18-4XEN from ECS, 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 | ECS |
| 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 | Fo | 3.57 | | 70 | MHz | | 1 |
| Frequency tolerance (standard, no tolerance letter in P/N) | | -30 | | 30 | ppm | @ +25°C | 1 |
| Frequency stability (option E) | | -50 | | 50 | ppm | -10 ~ +70°C | 1 |
| Aging (first year) | | -5 | | 5 | ppm | First year, @ +25°C ±3°C | 1 |
| Operating temperature (option N) | Topr | -40 | | 85 | °C | P/N option N: -40 ~ +85°C | 1 |
| Storage temperature | Tstg | -55 | | 125 | °C | | 1 |
| Shunt capacitance | Co | | | 7 | pF | | 1 |
| Drive level | DL | | | 500 | μW | | 1 |
| Equivalent series resistance (ESR) | ESR | | | 40 | Ω | 13.000 ~ 19.999 MHz band, fundamental mode | 1 |
| Nominal frequency (this MPN) | Fo | | 16.384 | | MHz | P/N 163.8 = 16.384 MHz per Developed Frequencies table | 2 |
| Load capacitance (this MPN) | | | 18 | | pF | P/N 18 = 18 pF; table prints 'Specify in P/N' | 1 |
## Materials and finish
As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | | tin | MSL 1, Lead Finish Sn/Cu Matte HC-49USX | 2 |
## CAD (KiCad official)
- Symbol: `ECS-163.8-18-4XEN`
- Footprint: `Crystal:Crystal_HC49-4H_Vertical`
- 3D model: HC-49S (KiCad packages3D, STEP)
- 3D model files: `ecs-163-8-18-4xen-etched.step` / `ecs-163-8-18-4xen-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ecs-163-8-18-4xen.step` / `ecs-163-8-18-4xen.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [ECS datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590002460103782400) (2 pp, sha256 ``, retrieved 2026-10-16, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `crystal numbering` (convention), consensus `off` (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).
[Datasheet PDF](docs/ecs-163-8-18-4xen-datasheet.pdf)