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ECS-3X8
Public Made by Adomby adom
ECS Crystals, DT-38. 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
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownECS-3X8
ECS · Crystals · DT-38
ECS-3X8 from ECS, in a DT-38. 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 | DT-38 |
| 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 TOLERANCE | ∆f/fo | -20 | 20 | PPM | 1 | ||
| SHOCK RESISTANCE | -5 | 5 | PPM | Drop test 3 times on hard wooden board from height of 75cm | 1 | ||
| AGING (FIRST YEAR) | ∆f/fo | -3 | 3 | PPM | First year, @ +25˚C ±3˚C | 1 | |
| TURNOVER TEMPERATURE | TM | -5 | 25 | 5 | ˚C | Printed as +25 ±5 ˚C | 1 |
| TEMPERATURE COEFFICIENT | ß | -0.04 | ppm/˚C2 | 1 | |||
| RESISTANCE AT SERIES RESONANCE | R1 | 35 | KΩ | 1 | |||
| DRIVE LEVEL | DL | 1 | µW | 1 | |||
| OPERATING TEMP. RANGE | TOPR | -10 | 60 | ˚C | 1 | ||
| STORAGE TEMP. RANGE | TSTG | -40 | 85 | ˚C | 1 | ||
| INSULATION RESISTANCE | IR | 500 | MΩ | DC100V | 1 | ||
| NOMINAL FREQUENCY | Fo | 32.768 | KHz | 1 | |||
| LOAD CAPACITANCE | CL | 12.5 | pF | 1 | |||
| Q-FACTOR | Q | 90000 | 1 | ||||
| SHUNT CAPACITANCE | Co | 1.6 | pF | 1 | |||
| CAPACITANCE RATIO | 460 | 1 | |||||
| MOTIONAL CAPACITANCE | C1 | 0.0035 | pF | 1 |
CAD (KiCad official)
- Symbol:
ECS-3X8 - Footprint:
Crystal:Crystal_C38-LF_D3.0mm_L8.0mm_Vertical - 3D model: DT-38 (KiCad packages3D, STEP)
- 3D model files:
ecs-3x8-etched.step/ecs-3x8-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ecs-3x8.step/ecs-3x8.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: ECS datasheet (1 pp, sha256 ``, retrieved 2026-10-15, 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).