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1TC125DFNS019
Public Made by Adomby adom
KDS Daishinku 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.
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1TC125DFNS019
KDS Daishinku · Crystals · DT-38
1TC125DFNS019 from KDS Daishinku, 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 | KDS Daishinku |
| 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 |
|---|---|---|---|---|---|---|---|
| Series resistance | 30 | kΩ | DT-38, per individual spec (※2) | 1 | |||
| Drive level | 1 | 2 | μW | 1 | |||
| Turnover temperature | 20 | 25 | 30 | °C | +25°C ±5°C | 1 | |
| Second-order temperature coefficient | -0.04 | ×10^-6/℃² | 1 | ||||
| Operating temperature range | -10 | 60 | °C | 1 | |||
| Storage temperature range | -20 | 70 | °C | 1 | |||
| Nominal frequency | 32.768 | kHz | DT-38 | 1 | |||
| Load capacitance | CL | 12.5 | pF | may be changed on request (※1) | 1 | ||
| Shunt capacitance | C0 | 1.3 | pF | DT-38, per individual spec (※2) | 1 |
CAD (KiCad official)
- Symbol:
1TC125DFNS019 - Footprint:
Crystal:Crystal_C38-LF_D3.0mm_L8.0mm_Vertical - 3D model: DT-38 (KiCad packages3D, STEP)
- 3D model files:
1tc125dfns019-etched.step/1tc125dfns019-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);1tc125dfns019.step/1tc125dfns019.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: KDS Daishinku datasheet (1 pp, sha256 ``, retrieved 2026-10-22, tier: lcsc)
- Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- 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).
# 1TC125DFNS019
**KDS Daishinku** · Crystals · DT-38
1TC125DFNS019 from KDS Daishinku, 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 | KDS Daishinku |
| 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 |
|---|---|---|---|---|---|---|---|
| Series resistance | | | | 30 | kΩ | DT-38, per individual spec (※2) | 1 |
| Drive level | | | 1 | 2 | μW | | 1 |
| Turnover temperature | | 20 | 25 | 30 | °C | +25°C ±5°C | 1 |
| Second-order temperature coefficient | | | | -0.04 | ×10^-6/℃² | | 1 |
| Operating temperature range | | -10 | | 60 | °C | | 1 |
| Storage temperature range | | -20 | | 70 | °C | | 1 |
| Nominal frequency | | | 32.768 | | kHz | DT-38 | 1 |
| Load capacitance | CL | | 12.5 | | pF | may be changed on request (※1) | 1 |
| Shunt capacitance | C0 | | 1.3 | | pF | DT-38, per individual spec (※2) | 1 |
## CAD (KiCad official)
- Symbol: `1TC125DFNS019`
- Footprint: `Crystal:Crystal_C38-LF_D3.0mm_L8.0mm_Vertical`
- 3D model: DT-38 (KiCad packages3D, STEP)
- 3D model files: `1tc125dfns019-etched.step` / `1tc125dfns019-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `1tc125dfns019.step` / `1tc125dfns019.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [KDS Daishinku datasheet](docs/1tc125dfns019-datasheet.pdf) (1 pp, sha256 ``, retrieved 2026-10-22, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **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/1tc125dfns019-datasheet.pdf)