# ECX-.327-CDX-1293

**ECS** · Pre-ordered Products · SMD3215-2P

ECX-.327-CDX-1293 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 | In/Out | passive | Pad 1 is labelled In/Out in the pad connections table, with no further electrical limits stated. |
| 2 | Out/In | passive | Pad 2 is labelled Out/In in the pad connections table, with no further electrical limits stated. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | ECS |
| Package | SMD3215-2P |
| Category | Solders / Accessories / Batteries |
| 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 |  | -5 |  | 5 | ppm | @ +25°C | 1 |
| Temperature Coefficient |  | -0.028 | -0.034 | -0.04 | ppm/°C² |  | 1 |
| Turnover Temperature |  | 20 | 25 | 30 | °C |  | 1 |
| Aging (First Year) |  | -3 |  | 3 | ppm | First year; @ +25°C ±3°C | 1 |
| Drive Level | DL |  | 0.1 | 1 | μW |  | 1 |
| Operating Temperature | Topr | -40 |  | 85 | °C |  | 1 |
| Storage Temperature | Tstg | -55 |  | 125 | °C |  | 1 |
| Peak Solder Temperature |  |  |  | 260 | °C | Max 10 sec; 2 cycles max | 2 |
| Frequency |  |  | 32.768 |  | KHz |  | 1 |
| Load Capacitance |  |  | 12.5 |  | pF | Specify in P/N | 1 |
| Equivalent Series Resistance | R1 |  | 70 |  | KΩ |  | 1 |
| Shunt Capacitance | Co |  | 1.05 |  | pF |  | 1 |
| Insulation Resistance |  |  | 500 |  | MΩ | @ 100V DC | 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 |  | gold | MSL 1, Lead Finish Au POCKET TAPE DIMENSIONS (mm) | 2 |

## CAD (KiCad official)

- Symbol: `ECX-.327-CDX-1293`
- Footprint: `Crystal:Crystal_SMD_3215-2Pin_3.2x1.5mm`
- 3D model: SMD3215-2P (KiCad packages3D, STEP)
- 3D model files: `ecx-327-cdx-1293-etched.step` / `ecx-327-cdx-1293-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ecx-327-cdx-1293.step` / `ecx-327-cdx-1293.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [ECS datasheet](docs/ecx-327-cdx-1293-datasheet.pdf) (2 pp, sha256 `a20088448b4c9d75`, retrieved 2026-11-05, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-5-5` (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/ecx-327-cdx-1293-datasheet.pdf)