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DSB221SDN 38.400MHZ 3.3V 0.5PPM

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

componentcrystals, oscillators, resonatorsdsb221sdn 38.400mhz 3.3v 0.5ppmfactory-2.0.0extractor-text
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DSB221SDN 38.400MHZ 3.3V 0.5PPM

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

DSB221SDN 38.400MHZ 3.3V 0.5PPM 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 On the TCXO DSB221SDN without stand-by this pin is connected to GND; on the VC-TCXO it is Vcont and on the DSB221SDNB it is ENABLE/DISABLE.
2 GND power_in Ground connection of the oscillator.
3 Output output Clipped sine, DC-coupled frequency output of 0.8Vp-p min. (f≦52MHz) into a 10kΩ//10pF load.
4 Vcc power_in Supply voltage pin for a range of +1.68 to +3.5V (3.3V nominal for this MPN), with max. 2.0mA consumption for 26MHz<f≦52MHz.

Key specifications

Parameter Value
Manufacturer KDS Daishinku
Package SMD2520-4P
Category Crystals, Oscillators, Resonators
Pins 4

CAD (KiCad official)

  • Symbol: DSB221SDN 38.400MHZ 3.3V 0.5PPM
  • Footprint: Crystal:Crystal_SMD_2520-4Pin_2.5x2.0mm
  • 3D model: SMD2520-4P (KiCad packages3D, STEP)
  • 3D model files: dsb221sdn-38-400mhz-3-3v-0-5ppm-etched.step / dsb221sdn-38-400mhz-3-3v-0-5ppm-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); dsb221sdn-38-400mhz-3-3v-0-5ppm.step / dsb221sdn-38-400mhz-3-3v-0-5ppm.glb are the bare package body.

Provenance

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

  • Datasheet: KDS Daishinku datasheet (2 pp, sha256 f7af7fc17899ef3d, retrieved 2026-10-26, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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