component
ECS-80-18-5P-TR
Public Made by Adomby adom
ECS 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
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
markdownECS-80-18-5P-TR
ECS · Crystals · HC-49S-SMD
ECS-80-18-5P-TR from ECS, 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 | ECS |
| 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 range | fo | 3.57 | 70 | MHz | 1 | ||
| Frequency tolerance @ +25˚C | -30 | 30 | PPM | @ +25˚C | 1 | ||
| Frequency stability (Standard) | -50 | 50 | PPM | Standard, -10 to +70 ˚C, ref @ 25˚C | 1 | ||
| Operating temperature (Standard) | -10 | 70 | ˚C | Standard | 1 | ||
| Storage temperature | TSTG | -40 | 105 | ˚C | 1 | ||
| Shunt capacitance | C0 | 7 | pF | 1 | |||
| Load capacitance (customer specified, standard series) | CL | 10 | 20 | pF | Customer Specified; standard Series | 1 | |
| Drive level | 0.5 | mW | 3.570 - 70.000 MHz | 1 | |||
| Aging (first year) | -5 | 5 | PPM | @ +25˚C | 1 | ||
| Equivalent series resistance (ESR) | ESR | 60 | Ω | Fundamental mode, 7.000 ~ 8.999 MHz | 1 | ||
| Nominal frequency (decoded from part number ECS-80) | fo | 8 | MHz | 1 |
CAD (KiCad official)
- Symbol:
ECS-80-18-5P-TR - Footprint:
Crystal:Crystal_SMD_HC49-SD - 3D model: HC-49S-SMD (KiCad packages3D, STEP)
- 3D model files:
ecs-80-18-5p-tr-etched.step/ecs-80-18-5p-tr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ecs-80-18-5p-tr.step/ecs-80-18-5p-tr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: ECS datasheet (1 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).