component
1XXB38400MEA
Public Made by Adomby adom
KDS Daishinku Temperature Compensated Crystal Oscillators (TCXO), SMD2520-4P. 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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README
markdown1XXB38400MEA
KDS Daishinku · Temperature Compensated Crystal Oscillators (TCXO) · SMD2520-4P
1XXB38400MEA from KDS Daishinku, in a SMD2520-4P. 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 connection; pin #1 is also the index corner (#1 Index) and is one of two GND pins listed in the Pin Connections table. |
| 2 | GND | power_in | Ground connection; listed as GND in the Pin Connections table alongside pin #1. |
| 3 | Output | output | TCXO clipped sine wave output (DC-coupled) with minimum output level 0.8 VP-P, measured into LOAD_R 10 kΩ ±10% // LOAD_C 10 pF ±10%. |
| 4 | VCC | power_in | Supply voltage input; recommended VCC is +1.7 V min, +1.8 V typ, +3.3 V max, with absolute maximum rating -0.3 to +4.6 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | KDS Daishinku |
| Package | SMD2520-4P |
| 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 | 1 | ||
| Storage Temperature Range | T_STG | -30 | 85 | °C | 1 | ||
| Supply Voltage | VCC | 1.7 | 1.8 | 3.3 | V | 1 | |
| Load Impedance (resistance part) | LOAD_R | 9 | 10 | 11 | kΩ | 1 | |
| Load Impedance (parallel capacitance) | LOAD_C | 9 | 10 | 11 | pF | 1 | |
| Operating Temperature Range | T_OPR | -30 | 85 | °C | 1 | ||
| Current Consumption | 2 | mA | 1 | ||||
| Output Level | 0.8 | VP-P | Note 1: clipped sine wave (DC-coupled) | 1 | |||
| Harmonics | -5 | dBc | 1 | ||||
| Frequency Stability - Tolerance | -1.5 | 1.5 | ppm | After 2 times reflow; ref. to frequency before reflow; notes 2 and 3 | 1 | ||
| Frequency Stability - vs Temperature | -0.5 | 0.5 | ppm | TA=-30~+85°C; ref. to frequency at TA=+25°C | 1 | ||
| Frequency Stability - vs Supply Voltage | -0.2 | 0.2 | ppm | VCC=+1.8V±5% | 1 | ||
| Frequency Stability - vs Load Variation | -0.2 | 0.2 | ppm | LOAD_R//C=(10kΩ//10pF)±10% | 1 | ||
| Frequency Stability - vs Aging | -1 | 1 | ppm/year | TA=Room ambient | 1 | ||
| Start Up Time | 2 | ms | @90% of final Vout level | 1 | |||
| SSB Phase Noise | -125 | dBc/Hz | Relative to f0 level, offset 1kHz | 1 |
CAD (KiCad official)
- Symbol:
1XXB38400MEA - Footprint:
Crystal:Crystal_SMD_2520-4Pin_2.5x2.0mm - 3D model: SMD2520-4P (KiCad packages3D, STEP)
- 3D model files:
1xxb38400mea-etched.step/1xxb38400mea-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);1xxb38400mea.step/1xxb38400mea.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: KDS Daishinku datasheet (2 pp, sha256
8b979f83a0da1688, 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).