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CJ13-250001510B20

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Changjing Crystals, SMD3225-4P. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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CJ13-250001510B20

Changjing · Crystals · SMD3225-4P

CJ13-250001510B20 from Changjing, 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 (pad 1, chamfered pad marking pin 1) connected to one side of the 25MHz, 15pF load, fundamental-mode resonator element in the suggested pad layout drawing.
2 NC unconnected Pad 2 is shown in the drawing with no connection to the resonator symbol; its function is not stated in the datasheet.
3 XTAL2 passive Crystal terminal (pad 3) connected to the other side of the 25MHz, 15pF load, fundamental-mode resonator element in the suggested pad layout drawing.
4 NC unconnected Pad 4 is shown in the drawing with no connection to the resonator symbol; its function is not stated in the datasheet.

Key specifications

Parameter Value
Manufacturer Changjing
Package SMD3225-4P
Category Crystal Oscillator/Oscillator/Resonator
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 f 25 MHz 2
Load Capacitance CL 15 pF 2
Frequency Tolerance Δf/f -10 10 ppm 2
Frequency Temperature Stability -20 20 ppm 2
Resonance Resistance 60 ohm 2
Shunt Capacitance C0 2 pF 2
Drive Level DL 100 μW 2
Operating Temperature Range TOPR -40 85 °C 2
Storage Temperature Range TSTG -55 125 °C 2
Insulation Resistance IR 500 M ohms 2
Aging ΔfA -3 3 ppm per Year 2

CAD (KiCad official)

  • Symbol: CJ13-250001510B20
  • Footprint: Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm
  • 3D model: SMD3225-4P (KiCad packages3D, STEP)
  • 3D model files: cj13-250001510b20-etched.step / cj13-250001510b20-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cj13-250001510b20.step / cj13-250001510b20.glb are the bare package body.

Provenance

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

  • Datasheet: Changjing datasheet (6 pp, sha256 b376e91c4272f3c7, retrieved 2026-10-23, 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