component

1XXA26000MEA

Public Made by Adom

by adom

KDS Daishinku Temperature Compensated Crystal Oscillators (TCXO), SMD2520-4P. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentcrystals, oscillators, resonators1xxa26000meafactory-2.0.0extractor-text
Overview Files Discover Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity
main
Download ZIP Propose a change
Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray 7d ago
viewers 1xxa26000mea: viewers · Ray 7d ago
1xxa26000mea-etched.glb Publish 0.1.0 · Ray 7d ago
1xxa26000mea-etched.step 1xxa26000mea: factory component page (tier=lcsc) · Ray 7d ago
1xxa26000mea-hero.glb 1xxa26000mea: hero GLB from the etched model (keeps the MPN mark) · Ray 7d ago
1xxa26000mea-hero.overlay.json Publish 0.1.0 · Ray 7d ago
1xxa26000mea.glb Publish 0.1.0 · Ray 7d ago
1xxa26000mea.kicad_mod Publish 0.1.0 · Ray 7d ago
1xxa26000mea.kicad_sym Publish 0.1.0 · Ray 7d ago
1xxa26000mea.lbr Publish 0.1.0 · Ray 7d ago
1xxa26000mea.step Publish 0.1.0 · Ray 7d ago
package.json Publish 0.1.0 · Ray 7d ago
page.json Set visibility: public · Ray 7d ago
README.md Publish 0.1.0 · Ray 7d ago

1XXA26000MEA

KDS Daishinku · Temperature Compensated Crystal Oscillators (TCXO) · SMD2520-4P

1XXA26000MEA 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 VCONT input Frequency control voltage input with a range of +0.3 V to +2.0 V (typ. +1.15 V), and an input resistance of at least 100 kΩ; the frequency increases with control voltage (positive slope).
2 GND power_in Ground terminal; the datasheet gives no separate electrical limit for this pin.
3 Output output DC-coupled clipped sine wave output with a level of at least 0.8 Vp-p, measured into a 10 kΩ // 10 pF load.
4 VCC power_in Supply voltage input, recommended at +2.185 V to +2.415 V (typ. +2.3 V), with an absolute maximum rating of -0.3 V 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 2.185 2.3 2.415 V 2
Load Impedance (resistance part) LOAD_R 9 10 11 kΩ 2
Load Impedance (parallel capacitance) LOAD_C 9 10 11 pF 2
Control Voltage Range VCONT 0.3 1.15 2 V 2
Operating Temperature Range T_OPR -40 85 °C 2
Supply Voltage VCC -0.3 4.6 V 2
Storage Temperature Range T_STG -40 85 °C 2
Current Consumption 1.5 mA 3
Output Level 0.8 VP-P Note 1: clipped sine wave (DC-coupled) 3
Symmetry 40 60 % GND level (DC cut) 3
2nd harmonics -8 dBc 52MHz 3
3rd harmonics -10 dBc 78MHz 3
4th harmonics -20 dBc 104MHz 3
Frequency Stability - Tolerance -2 2 ppm After 2 times reflow; ref. to nominal frequency; TA=+25°C (note 2) 3
Frequency Stability - vs Temperature -0.5 0.5 ppm TA=-30~+85°C; VCONT=+1.15V; ref. to frequency (TA=+25°C) 3
Frequency Stability - vs Temperature -3 3 ppm TA=-40~-30°C; VCONT=+1.15V; ref. to frequency (TA=+25°C) 3
Frequency Stability - vs Slope -0.05 0.05 ppm/°C TA=-20~+65°C 3
Frequency Stability - vs Slope -0.1 0.1 ppm/°C TA=-30~+85°C 3
Frequency Stability - vs Slope -0.35 0.35 ppm/°C TA=-40~-30°C 3
Frequency Stability - vs Drift Rate/Slope -10 10 ppb/s @0.3°C/s 3
Frequency Stability - vs Hysteresis -0.6 0.6 ppm 3
Frequency Stability - vs Supply Voltage VCC -0.1 0.1 ppm VCC=+2.3V±5% 3
Frequency Stability - vs Load Variation -0.1 0.1 ppm LOAD_R//C=(10kΩ//10pF)±10% 3
Frequency Stability - vs Aging -1 1 ppm/year TA=Room ambient 3
Frequency Stability - vs Aging -1.5 1.5 ppm/2years TA=Room ambient 3
Frequency Stability - vs Aging -2.5 2.5 ppm/5years TA=Room ambient 3
Frequency Stability - vs Aging -5 5 ppm/10years TA=Room ambient 3
Start Up Time 2 ms @90% of final Vout level 3
G Sensitivity 2 ppb/G within 30 to 1500Hz 3
Frequency Control - Control Range 9 15 ppm VCONT=+1.15V±0.85V; positive slope (note 4) 3
Frequency Control - Input Resistance 100 kΩ 3
SSB Phase Noise -50 dBc/Hz Relative to f0 level, offset 1Hz; TA=-40~+85°C (note 5) 3
SSB Phase Noise -73 dBc/Hz Relative to f0 level, offset 5Hz 3
SSB Phase Noise -80 dBc/Hz Relative to f0 level, offset 10Hz 3
SSB Phase Noise -114 dBc/Hz Relative to f0 level, offset 100Hz 3
SSB Phase Noise -136 dBc/Hz Relative to f0 level, offset 1kHz 3
SSB Phase Noise -148 dBc/Hz Relative to f0 level, offset 10kHz 3
SSB Phase Noise -152 dBc/Hz Relative to f0 level, offset 100kHz 3
Root Allan Variance 0.3 ppb Tau=1sec 3
Nominal Frequency 26 MHz 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) 9
contacts silver Leads, such as solder, are not used for this product. (Lead Free) 17.6 About the existence of silver and mercury use 14

CAD (KiCad official)

  • Symbol: 1XXA26000MEA
  • Footprint: Crystal:Crystal_SMD_2520-4Pin_2.5x2.0mm
  • 3D model: SMD2520-4P (KiCad packages3D, STEP)
  • 3D model files: 1xxa26000mea-etched.step / 1xxa26000mea-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 1xxa26000mea.step / 1xxa26000mea.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: KDS Daishinku datasheet (15 pp, sha256 15943c3e70f369c8, retrieved 2026-10-16, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-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).

Datasheet PDF