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8122S-26.000NQ33DTL

Public Made by Adom

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

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8122S-26.000NQ33DTL

HCI · Temperature Compensated Crystal Oscillators (TCXOs) · SMD2520-4P

8122S-26.000NQ33DTL from HCI, 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/NC power_in Ground (GND) or no connect (N.C.), per the pad function table.
2 GND power_in Ground; the metal lid is connected to this ground pin.
3 OUTPUT output Clipped sine wave RF output, 0.8Vp-p minimum into a 10kΩ/10pF load.
4 VCC power_in Supply voltage Vcc; the datasheet lists 1.8V, 2.5V, 2.8V, 3.0V and 3.3V options.

Key specifications

Parameter Value
Manufacturer HCI
Package SMD2520-4P
Category Resonators/Oscillators
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
Frequency tolerance (initial) -2 2 ppm Initial tol. @+25°C 1
Aging per year -1 1 ppm @+25°C 1
Output voltage level 0.8 Vp-p Minimum; load 10kΩ/10pF 1
Nominal frequency 26 MHz 26.000 from MPN 1

CAD (KiCad official)

  • Symbol: 8122S-26.000NQ33DTL
  • Footprint: Crystal:Crystal_SMD_2520-4Pin_2.5x2.0mm
  • 3D model: SMD2520-4P (KiCad packages3D, STEP)
  • 3D model files: 8122s-26-000nq33dtl-etched.step / 8122s-26-000nq33dtl-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 8122s-26-000nq33dtl.step / 8122s-26-000nq33dtl.glb are the bare package body.

Provenance

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

  • Datasheet: HCI datasheet (1 pp, sha256 0f281b2939e0aa6c, retrieved 2026-10-22, tier: lcsc)
  • 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