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1XTW16368MAA

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

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1XTW16368MAA

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

1XTW16368MAA 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 connection; pin #1 is marked by the index on the package outline.
2 GND power_in Ground connection, bypassed with 1000pF/10000pF capacitors in the measurement circuit.
3 Output output Clipped sine wave (DC-coupled) output, min 0.8 Vp-p into a 10kΩ//10pF load.
4 VCC power_in Supply voltage input, +2.66 to +2.94 V (typ +2.8 V), absolute maximum -0.3 to +4.6 V.

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
Nominal Frequency 16.368 MHz 2
Supply Voltage (absolute maximum) VCC -0.3 4.6 V 2
Storage Temperature Range T_STG -40 85 C 2
Supply Voltage VCC 2.66 2.8 2.94 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=+2.8V 2
Output Level 0.8 VP-P Clipped sine wave (DC-coupled) 2
Symmetry 40 60 % GND level (DC cut) 2
Frequency Tolerance at shipping -0.5 0.5 ppm At shipping, ref. to nominal frequency, TA=+25C 2
Frequency Tolerance after 2 times reflow -1 1 ppm Ref. to before reflow frequency, TA=+25C 2
Frequency vs Temperature -0.5 0.5 ppm TA=-30~+85C, ref. to frequency (TA=+25C) 2
Frequency vs Supply Voltage -0.2 0.2 ppm VCC=+2.8V±5% 2
Frequency vs Load Variation -0.2 0.2 ppm LOAD_R//C=(10kΩ//10pF)±10% 2
Frequency vs Aging -1 1 ppm/year TA=Room ambient 2
Start Up Time 2 ms @90% of final Vout level 2
SSB Phase Noise offset 1Hz -57 dBc/Hz Relative to f0 level offset 1Hz 2
SSB Phase Noise offset 10Hz -85 dBc/Hz Relative to f0 level offset 10Hz 2
SSB Phase Noise offset 100Hz -110 dBc/Hz Relative to f0 level offset 100Hz 2
SSB Phase Noise offset 1kHz -130 dBc/Hz Relative to f0 level offset 1kHz 2
SSB Phase Noise offset 10kHz -140 dBc/Hz Relative to f0 level offset 10kHz 2
Root Allan Variance 1 ppb Tau=1s 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: 1XTW16368MAA
  • Footprint: Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm
  • 3D model: SMD3225-4P (KiCad packages3D, STEP)
  • 3D model files: 1xtw16368maa-etched.step / 1xtw16368maa-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 1xtw16368maa.step / 1xtw16368maa.glb are the bare package body.

Provenance

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

  • Datasheet: KDS Daishinku datasheet (14 pp, sha256 d790ea441e1e6047, retrieved 2026-10-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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