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1XTW26000MAA

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KDS Daishinku Temperature Compensated Crystal Oscillators (TCXO), SMD3225-4P. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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1XTW26000MAA

KDS Daishinku · Temperature Compensated Crystal Oscillators (TCXO) · SMD3225-4P

1XTW26000MAA from KDS Daishinku, in a SMD3225-4P. 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 marked as #1 (index corner) in the pin connection table; the datasheet specifies no separate electrical limit for it.
2 GND power_in Ground terminal listed as GND in the pin connection table; the datasheet specifies no separate electrical limit for it.
3 Output output Clipped sine wave DC-coupled output at the 26.000 MHz nominal frequency, with output level minimum 0.8 Vp-p, measured into 10 kΩ // 10 pF load.
4 VCC power_in Supply input with recommended range 1.7 V to 1.9 V (typical 1.8 V) and absolute maximum rating -0.3 V to +4.6 V; current consumption is max +1.5 mA.

Key specifications

Parameter Value
Manufacturer KDS Daishinku
Package SMD3225-4P
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 -40 85 C 2
Supply Voltage VCC 1.7 1.8 1.9 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 -30 85 C 2
Current Consumption 1.5 mA TA=-30~+85C, LOAD_R//C=10kΩ//10pF, VCC=+1.8V 2
Output Level VP-P 0.8 VP-P Note 1: clipped sine wave (DC-coupled) 2
Symmetry 40 60 % GND level (DC cut); printed as 40/60 - 60/40 2
Harmonics -5 dBc 2
Frequency Stability, Tolerance -1.5 1.5 ppm After 2 times reflow; ref. to nominal frequency 2
Frequency Stability, vs Temperature -0.5 0.5 ppm TA=-30~+85C; ref. to frequency (TA=+25C) 2
Frequency Stability, vs Supply Voltage -0.2 0.2 ppm VCC=+1.8V±0.1V 2
Frequency Stability, vs Load Variation -0.2 0.2 ppm LOAD_R//C=(10kΩ//10pF)±10% 2
Frequency Stability, vs Aging -1 1 ppm/year TA=Room ambient 2
Start Up Time 2 ms @90% of final Vout level 2
SSB Phase Noise -130 dBc/Hz Relative to f0 level, offset 1kHz 2

CAD (KiCad official)

  • Symbol: 1XTW26000MAA
  • Footprint: Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm
  • 3D model: SMD3225-4P (KiCad packages3D, STEP)
  • 3D model files: 1xtw26000maa-etched.step / 1xtw26000maa-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 1xtw26000maa.step / 1xtw26000maa.glb are the bare package body.

Provenance

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

  • Datasheet: KDS Daishinku datasheet (14 pp, sha256 1dd0d6ec80182529, retrieved 2026-10-14, 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