component
FL38T2-32.768-NTLLLDT
Public Made by Adomby adom
HCI 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.
main
FL38T2-32.768-NTLLLDT
HCI · Crystals · DT-38
FL38T2-32.768-NTLLLDT from HCI, 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 | HCI |
| Package | DT-38 |
| Category | Crystal Oscillator/Oscillator/Resonator |
| 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 |
|---|---|---|---|---|---|---|---|
| Nominal frequency | 32.768 | kHz | 1 | ||||
| Frequency tolerance | -20 | 20 | ppm | ±20ppm option; other options ±30/±50/±100ppm | 1 | ||
| Stability over temperature (parabolic coefficient) | -0.042 | ppm/°C2 | Parabolic coefficient | 1 | |||
| Operating temperature range | -40 | 85 | °C | -20 to +70°C or -40 to +85°C options | 1 | ||
| Turnover temperature | 20 | 25 | 30 | °C | +25±5°C | 1 | |
| Equivalent series resistance | ESR | 30 | kΩ | <40kHz | 1 | ||
| Shunt capacitance | C0 | 2 | pF | Typical | 1 | ||
| Motional capacitance | C1 | 3.2 | fF | Depending on frequency | 1 | ||
| Load capacitance | CL | 6 | 12.5 | pF | Please specify | 1 | |
| Drive level | 0.1 | 1 | µW | 1 | |||
| Aging first year | -5 | 5 | ppm | At +25°C | 1 |
CAD (KiCad official)
- Symbol:
FL38T2-32.768-NTLLLDT - Footprint:
Crystal:Crystal_C38-LF_D3.0mm_L8.0mm_Vertical - 3D model: DT-38 (KiCad packages3D, STEP)
- 3D model files:
fl38t2-32-768-ntllldt-etched.step/fl38t2-32-768-ntllldt-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);fl38t2-32-768-ntllldt.step/fl38t2-32-768-ntllldt.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: HCI datasheet (1 pp, sha256 ``, retrieved 2026-10-22, 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).
# FL38T2-32.768-NTLLLDT
**HCI** · Crystals · DT-38
FL38T2-32.768-NTLLLDT from HCI, 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 | HCI |
| Package | DT-38 |
| Category | Crystal Oscillator/Oscillator/Resonator |
| 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 |
|---|---|---|---|---|---|---|---|
| Nominal frequency | | | 32.768 | | kHz | | 1 |
| Frequency tolerance | | -20 | | 20 | ppm | ±20ppm option; other options ±30/±50/±100ppm | 1 |
| Stability over temperature (parabolic coefficient) | | | -0.042 | | ppm/°C2 | Parabolic coefficient | 1 |
| Operating temperature range | | -40 | | 85 | °C | -20 to +70°C or -40 to +85°C options | 1 |
| Turnover temperature | | 20 | 25 | 30 | °C | +25±5°C | 1 |
| Equivalent series resistance | ESR | | | 30 | kΩ | <40kHz | 1 |
| Shunt capacitance | C0 | | 2 | | pF | Typical | 1 |
| Motional capacitance | C1 | | 3.2 | | fF | Depending on frequency | 1 |
| Load capacitance | CL | 6 | | 12.5 | pF | Please specify | 1 |
| Drive level | | | 0.1 | 1 | µW | | 1 |
| Aging first year | | -5 | | 5 | ppm | At +25°C | 1 |
## CAD (KiCad official)
- Symbol: `FL38T2-32.768-NTLLLDT`
- Footprint: `Crystal:Crystal_C38-LF_D3.0mm_L8.0mm_Vertical`
- 3D model: DT-38 (KiCad packages3D, STEP)
- 3D model files: `fl38t2-32-768-ntllldt-etched.step` / `fl38t2-32-768-ntllldt-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `fl38t2-32-768-ntllldt.step` / `fl38t2-32-768-ntllldt.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [HCI datasheet](docs/fl38t2-32-768-ntllldt-datasheet.pdf) (1 pp, sha256 ``, retrieved 2026-10-22, 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/fl38t2-32-768-ntllldt-datasheet.pdf)