component
C27000H125
Public Made by Adomby adom
ECEC(ZheJiang E ast Crystal Elec) 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.
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C27000H125
ECEC(ZheJiang E ast Crystal Elec) · Crystals · HC-49S-SMD
C27000H125 from ECEC(ZheJiang E ast Crystal Elec), 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 | ECEC(ZheJiang E ast Crystal Elec) |
| 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 tolerance | △f | -20 | 20 | ppm | 25±3℃ | 3 | |
| Equivalent resistance | Rr | 40 | Ω | Series, 25±3℃ | 3 | ||
| Temperature drift | TC | -20 | 20 | ppm | -20℃ ~ +75℃ | 3 | |
| Shunt capacitance | C0 | 5 | pF | <5.0pF | 3 | ||
| Insulation resistance | 500 | MΩ | DC 100V±15V (Lead to lead, case to lead) | 3 | |||
| Aging | -3 | 3 | ppm/Year | 3 | |||
| Operation temperature range | T0 | -20 | 75 | ℃ | 3 | ||
| Storage temperature range | Ts | -55 | 125 | ℃ | 3 | ||
| Spurious | 3 | dB | Search range f0 ±500kHz, 3db or more | 3 | |||
| Nominal frequency | F0 | 27 | MHz | Fundamental mode | 3 | ||
| Load capacitance | CL | 16 | pF | 3 | |||
| Drive level | DL | 10 | μW | TYP | 3 |
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 |
|---|---|---|---|---|
| housing | PPA | 7 Insulation spacer PPA | 9 |
CAD (KiCad official)
- Symbol:
C27000H125 - Footprint:
Crystal:Crystal_SMD_HC49-SD - 3D model: HC-49S-SMD (KiCad packages3D, STEP)
- 3D model files:
c27000h125-etched.step/c27000h125-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);c27000h125.step/c27000h125.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: ECEC(ZheJiang E ast Crystal Elec) datasheet (9 pp, sha256 ``, retrieved 2026-10-23, 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).
# C27000H125
**ECEC(ZheJiang E ast Crystal Elec)** · Crystals · HC-49S-SMD
C27000H125 from ECEC(ZheJiang E ast Crystal Elec), 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 | ECEC(ZheJiang E ast Crystal Elec) |
| 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 tolerance | △f | -20 | | 20 | ppm | 25±3℃ | 3 |
| Equivalent resistance | Rr | | | 40 | Ω | Series, 25±3℃ | 3 |
| Temperature drift | TC | -20 | | 20 | ppm | -20℃ ~ +75℃ | 3 |
| Shunt capacitance | C0 | | | 5 | pF | <5.0pF | 3 |
| Insulation resistance | | 500 | | | MΩ | DC 100V±15V (Lead to lead, case to lead) | 3 |
| Aging | | -3 | | 3 | ppm/Year | | 3 |
| Operation temperature range | T0 | -20 | | 75 | ℃ | | 3 |
| Storage temperature range | Ts | -55 | | 125 | ℃ | | 3 |
| Spurious | | 3 | | | dB | Search range f0 ±500kHz, 3db or more | 3 |
| Nominal frequency | F0 | | 27 | | MHz | Fundamental mode | 3 |
| Load capacitance | CL | | 16 | | pF | | 3 |
| Drive level | DL | | 10 | | μW | TYP | 3 |
## 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 |
|---|---|---|---|---|
| housing | PPA | | 7 Insulation spacer PPA | 9 |
## CAD (KiCad official)
- Symbol: `C27000H125`
- Footprint: `Crystal:Crystal_SMD_HC49-SD`
- 3D model: HC-49S-SMD (KiCad packages3D, STEP)
- 3D model files: `c27000h125-etched.step` / `c27000h125-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `c27000h125.step` / `c27000h125.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [ECEC(ZheJiang E ast Crystal Elec) datasheet](docs/c27000h125-datasheet.pdf) (9 pp, sha256 ``, retrieved 2026-10-23, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `crystal numbering` (convention), consensus `off` (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/c27000h125-datasheet.pdf)