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C3SB12.800F20M13

CJKJ · Crystals · SMD3225-4P

C3SB12.800F20M13 from CJKJ, 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 XTAL1 passive Crystal terminal connected to one side of the resonator in the Connection diagram (12.800000 MHz, CL 20 pF, drive level 100 uW typ, 200 uW max).
2 GND power_in Marked GND in the Connection diagram, not connected to the resonator element.
3 XTAL2 passive Crystal terminal connected to the other side of the resonator in the Connection diagram (12.800000 MHz, CL 20 pF, ESR 60 ohm max).
4 GND power_in Marked GND in the Connection diagram, not connected to the resonator element.

Key specifications

Parameter Value
Manufacturer CJKJ
Package SMD3225-4P
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 at 25°C -10 10 ppm At 25℃ 3
Frequency stability over temperature Topr -30 30 ppm -40 ~ 85 ℃ 3
Equivalent series resistance Rr 60 Ω MAX 3
Shunt capacitance C0 5 pF MAX 3
Insulation resistance Rins 500 MΩ at DC 100V 3
Aging per year -3 3 ppm Per year 3
Operating temperature range Topr -40 85 ℃ ±30ppm 3
Storage temperature range Tstg -55 125 ℃ 3
Drive level DL 100 200 uW MAX 200uW 3
Nominal frequency FL 12.8 MHz Fundamental 3
Load capacitance CL 20 pF 3
Product weight 0.02 g MAX 3

CAD (KiCad official)

  • Symbol: C3SB12.800F20M13
  • Footprint: Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm
  • 3D model: SMD3225-4P (KiCad packages3D, STEP)
  • 3D model files: c3sb12-800f20m13-etched.step / c3sb12-800f20m13-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); c3sb12-800f20m13.step / c3sb12-800f20m13.glb are the bare package body.

Provenance

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

  • Datasheet: CJKJ datasheet (8 pp, sha256 9448908a608838d2, retrieved 2026-10-23, 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