component
1XXD38400MLC
Public Made by Adomby adom
KDS Daishinku Temperature Compensated Crystal Oscillators (TCXO), SMD2016-4P. Pinout cross-checked by two models against the datasheet, 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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Contents
README
markdown1XXD38400MLC
KDS Daishinku · Temperature Compensated Crystal Oscillators (TCXO) · SMD2016-4P
1XXD38400MLC from KDS Daishinku, in a SMD2016-4P. 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 | GND | power_in | Ground terminal (listed as #1 GND in Pin Connections; index mark on pin 1 per the outline drawing), with no further electrical limits stated. |
| 2 | GND | power_in | Ground terminal (listed as #2 GND in Pin Connections), with no further electrical limits stated. |
| 3 | Output | output | Clipped sine wave output (DC-coupled) at 38.4 MHz, with output level of at least 0.8 VP-P into the specified load of 10 kΩ // 10 pF. |
| 4 | VCC | power_in | Supply voltage input; recommended 2.75 V to 2.85 V (2.8 V typical), absolute maximum rating -0.3 V to +4.6 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | KDS Daishinku |
| Package | SMD2016-4P |
| Category | Crystals, Oscillators, Resonators |
| Pins | 4 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Supply Voltage | VCC | -0.3 | 4.6 | V | 2 | ||
| Storage Temperature Range | T_STG | -55 | 125 | C | 2 | ||
| Supply Voltage | VCC | 2.75 | 2.8 | 2.85 | V | 2 | |
| Load Impedance (resistance part) | LOAD_R | 9 | 10 | 11 | kΩ | 2 | |
| Load Impedance (parallel capacitance) | LOAD_C | 9 | 10 | 11 | pF | 2 | |
| Operating Temperature Range | T_OPR | -40 | 85 | C | 2 | ||
| Current Consumption | 2 | mA | 2 | ||||
| Output Level | 0.8 | VP-P | Note 1: clipped sine wave (DC-coupled) | 2 | |||
| Symmetry | 40 | 50 | 60 | % | GND level (DC cut) | 2 | |
| Harmonics | -10 | dBc | 2 | ||||
| Frequency Stability - Tolerance | -2 | 2 | ppm | After 2 times reflow; ref. to nominal frequency | 2 | ||
| Frequency Stability - vs Temperature | -0.5 | 0.5 | ppm | TA=-40~+85C; ref. to frequency (TA=+25C) | 2 | ||
| Frequency Stability - vs Slope | -0.1 | 0.1 | ppm/C | TA=-40~+85C | 2 | ||
| Frequency Stability - vs Supply Voltage | VCC | -0.2 | 0.2 | ppm | VCC=+2.8V±0.05V | 2 | |
| Frequency Stability - vs Load Variation | LOAD_R//C | -0.2 | 0.2 | ppm | LOAD_R//C=(10kΩ//10pF)±10% | 2 | |
| Frequency Stability - vs Aging (1 year) | -1 | 1 | ppm/year | TA=Room ambient | 2 | ||
| Frequency Stability - vs Aging (10 years) | -3 | 3 | ppm/10years | TA=Room ambient | 2 | ||
| Frequency Drift Rate | -0.1 | 0.1 | ppm/s | From 0.1s to 0.5s | 2 | ||
| Frequency Drift Rate | -0.015 | 0.015 | ppm/s | From 0.5s to 1.5s | 2 | ||
| Frequency Drift Rate | -0.005 | 0.005 | ppm/s | From 1.5s onwards | 2 | ||
| Start Up Time | 2 | ms | @90% of final Vout level | 2 | |||
| SSB Phase Noise | -135 | dBc/Hz | Relative to f0 level, offset 1kHz | 2 | |||
| SSB Phase Noise | -149 | dBc/Hz | Relative to f0 level, offset 10kHz | 2 | |||
| SSB Phase Noise | -156 | dBc/Hz | Relative to f0 level, offset 100kHz | 2 |
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 | PET | Cover Tape : PET + Olefin Resin (Conductivity) | 8 | |
| contacts | silver | Leads, such as solder, are not used for this product. (Lead Free) 17.6 About the existence of silver and mercury use | 13 |
CAD (KiCad official)
- Symbol:
1XXD38400MLC - Footprint:
Crystal:Crystal_SMD_2016-4Pin_2.0x1.6mm - 3D model: SMD2016-4P (KiCad packages3D, STEP)
- 3D model files:
1xxd38400mlc-etched.step/1xxd38400mlc-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);1xxd38400mlc.step/1xxd38400mlc.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: KDS Daishinku datasheet (14 pp, sha256
2ad217f82452caa1, retrieved 2026-10-16, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-5-5(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).