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ECS-.327-12.5-34R-C-TR
Public Made by Adomby adom
ECS Pre-ordered Products, SMD3215-2P. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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ECS-.327-12.5-34R-C-TR
ECS · Pre-ordered Products · SMD3215-2P
ECS-.327-12.5-34R-C-TR 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 electrical limits stated for it in the datasheet. |
| 2 | Out/In | passive | Pad 2 is labelled Out/In in the PAD CONNECTIONS table, with no electrical limits stated for it in the datasheet. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | ECS |
| Package | SMD3215-2P |
| Category | Electronic Tools/Instruments/Consumables |
| 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 @ +25°C | -10 | 10 | ppm | @ +25°C, suffix C (±10 ppm) | 1 | ||
| Aging (First Year) | -3 | 3 | ppm | First year @ +25°C ±3°C | 1 | ||
| Temperature Coefficient | -0.028 | -0.034 | -0.04 | ppm/°C² | 1 | ||
| Insulation Resistance | 500 | MΩ | @ 100V DC | 1 | |||
| Turnover Temperature | 20 | 25 | 30 | °C | 1 | ||
| Operating Temperature | Topr | -40 | 85 | °C | 1 | ||
| Storage Temperature | Tstg | -55 | 125 | °C | 1 | ||
| Frequency | Fo | 32.768 | KHz | 1 | |||
| Shunt Capacitance | Co | 1.3 | pF | 1 | |||
| Load Capacitance | 12.5 | pF | Specify in P/N | 1 | |||
| Drive Level | DL | 0.5 | μW | 1 | |||
| Equivalent Series Resistance | R1 | 50 | KΩ | Max. ESR | 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:
ECS-.327-12.5-34R-C-TR - Footprint:
Crystal:Crystal_SMD_3215-2Pin_3.2x1.5mm - 3D model: SMD3215-2P (KiCad packages3D, STEP)
- 3D model files:
ecs-327-12-5-34r-c-tr-etched.step/ecs-327-12-5-34r-c-tr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ecs-327-12-5-34r-c-tr.step/ecs-327-12-5-34r-c-tr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: ECS datasheet (2 pp, sha256
4c0e31016ce295e2, retrieved 2026-10-27, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).
# ECS-.327-12.5-34R-C-TR
**ECS** · Pre-ordered Products · SMD3215-2P
ECS-.327-12.5-34R-C-TR 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 electrical limits stated for it in the datasheet. |
| 2 | Out/In | passive | Pad 2 is labelled Out/In in the PAD CONNECTIONS table, with no electrical limits stated for it in the datasheet. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | ECS |
| Package | SMD3215-2P |
| Category | Electronic Tools/Instruments/Consumables |
| 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 @ +25°C | | -10 | | 10 | ppm | @ +25°C, suffix C (±10 ppm) | 1 |
| Aging (First Year) | | -3 | | 3 | ppm | First year @ +25°C ±3°C | 1 |
| Temperature Coefficient | | -0.028 | -0.034 | -0.04 | ppm/°C² | | 1 |
| Insulation Resistance | | 500 | | | MΩ | @ 100V DC | 1 |
| Turnover Temperature | | 20 | 25 | 30 | °C | | 1 |
| Operating Temperature | Topr | -40 | | 85 | °C | | 1 |
| Storage Temperature | Tstg | -55 | | 125 | °C | | 1 |
| Frequency | Fo | | 32.768 | | KHz | | 1 |
| Shunt Capacitance | Co | | 1.3 | | pF | | 1 |
| Load Capacitance | | | 12.5 | | pF | Specify in P/N | 1 |
| Drive Level | DL | | 0.5 | | μW | | 1 |
| Equivalent Series Resistance | R1 | | | 50 | KΩ | Max. ESR | 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: `ECS-.327-12.5-34R-C-TR`
- Footprint: `Crystal:Crystal_SMD_3215-2Pin_3.2x1.5mm`
- 3D model: SMD3215-2P (KiCad packages3D, STEP)
- 3D model files: `ecs-327-12-5-34r-c-tr-etched.step` / `ecs-327-12-5-34r-c-tr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ecs-327-12-5-34r-c-tr.step` / `ecs-327-12-5-34r-c-tr.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [ECS datasheet](docs/ecs-327-12-5-34r-c-tr-datasheet.pdf) (2 pp, sha256 `4c0e31016ce295e2`, retrieved 2026-10-27, 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/ecs-327-12-5-34r-c-tr-datasheet.pdf)