component
3438T-38.000DTTLJJL
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.
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
markdown3438T-38.000DTTLJJL
HCI · Crystals · DT-38
3438T-38.000DTTLJJL 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 | 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 |
|---|---|---|---|---|---|---|---|
| Equivalent series resistance (ESR) | ESR | 30 | kΩ | <40kHz | 1 | ||
| Aging first year | -5 | 5 | ppm | First year, at +25°C | 1 | ||
| Operating temperature range (option A) | -20 | 70 | °C | Printed option -20 to +70°C; grade for this MPN not decoded from the suffix | 1 | ||
| Operating temperature range (option B) | -40 | 85 | °C | Printed option -40 to +85°C; grade for this MPN not decoded from the suffix | 1 | ||
| Load capacitance | 6 | 12.5 | pF | Printed 3438T range; other option 6~32pF or SERIES on request; MPN load code not decoded | 1 | ||
| Turnover temperature | -5 | 25 | 5 | °C | Turnover temperature +25±5°C | 1 | |
| Motional capacitance | 1.5 | 3.2 | 4.5 | fF | Typ 3.2fF for 3438T; range 1.5~4.5fF depending on frequency | 1 | |
| Drive level | 0.2 | 2 | µW | 1 | |||
| Shunt capacitance | 2 | pF | Typical | 1 | |||
| Stability over temperature (parabolic coefficient) | -0.042 | ppm/°C2 | Parabolic coefficient; TYP | 1 |
CAD (KiCad official)
- Symbol:
3438T-38.000DTTLJJL - Footprint:
Crystal:Crystal_C38-LF_D3.0mm_L8.0mm_Vertical - 3D model: DT-38 (KiCad packages3D, STEP)
- 3D model files:
3438t-38-000dttljjl-etched.step/3438t-38-000dttljjl-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);3438t-38-000dttljjl.step/3438t-38-000dttljjl.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: HCI datasheet (1 pp, sha256 ``, retrieved 2026-10-16, 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).