component
ECS-.327-12.5-34QCS-TR9
Public Made by Adomby adom
ECS Crystals, SMD3215-2P. 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.
Contents
README
markdownECS-.327-12.5-34QCS-TR9
ECS · Crystals · SMD3215-2P
ECS-.327-12.5-34QCS-TR9 from ECS, in a SMD3215-2P. 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 | SMD3215-2P |
| Category | Resonators/Oscillators |
| 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 | -10 | 10 | ppm | @ +25°C, C option (±10 ppm) | 1 | ||
| Aging (First Year) | -3 | 3 | ppm | @ +25°C ±3°C | 1 | ||
| Operating Temperature | -40 | 125 | °C | S option | 1 | ||
| Storage Temperature | -55 | 125 | °C | 1 | |||
| Turnover Temperature | 20 | 25 | 30 | °C | 1 | ||
| Temperature Coefficient | -0.028 | -0.034 | -0.04 | Ppm/°C | 1 | ||
| Drive Level | DL | 0.1 | 0.5 | µW | 1 | ||
| Equivalent Series Resistance | R1 | 70 | KΩ | 1 | |||
| Shunt Capacitance | CO | 1.1 | pF | 1 | |||
| Motional Capacitance | C1 | 3.5 | fF | 1 | |||
| Frequency | Fo | 32.768 | KHz | 1 | |||
| Load Capacitance | 12.5 | pF | Specified in P/N | 1 | |||
| Peak solder temperature | 260 | °C | Max 10 sec, 2 cycles max | 2 |
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 | gold | MSL 1, Lead Finish Au POCKET TAPE DIMENSIONS (mm) | 2 |
CAD (KiCad official)
- Symbol:
ECS-.327-12.5-34QCS-TR9 - Footprint:
Crystal:Crystal_SMD_3215-2Pin_3.2x1.5mm - 3D model: SMD3215-2P (KiCad packages3D, STEP)
- 3D model files:
ecs-327-12-5-34qcs-tr9-etched.step/ecs-327-12-5-34qcs-tr9-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ecs-327-12-5-34qcs-tr9.step/ecs-327-12-5-34qcs-tr9.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: ECS datasheet (2 pp, sha256 ``, retrieved 2026-10-27, 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).