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Contents

README

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SWXJEBCVE0-23.020000

Starwave(思大) · IC · HC-49S-SMD

SWXJEBCVE0-23.020000 from Starwave(思大), in a HC-49S-SMD. 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 First crystal terminal of the 3.290 MHz unit, with 18 pF load capacitance unless otherwise specified and 1500 µW drive level (100 µW typical).
2 XTAL2 passive Second crystal terminal of the 3.290 MHz unit, with 18 pF load capacitance unless otherwise specified and 1500 µW drive level (100 µW typical).

Key specifications

Parameter Value
Manufacturer Starwave(思大)
Package HC-49S-SMD
Category
Pins 2

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 ºC) -20 20 ppm at 25 ºC; printed as '±20 ppm, or specify' 1
Frequency Stability Over Operating Temperature Range -30 30 ppm -40 ~ +85 ºC; printed as '± 30 ppm, or specify' 1
Aging (at 25 ºC) -3 3 ppm/year at 25 ºC; Max. 1
Equivalent Series Resistance (ESR) 30 Ω Fundamental, 14 ~ 30 MHz; Max. 1
Shunt Capacitance (C0) C0 7 pF Max. 1
Drive Level 1 100 500 μW printed as '1 ~ 500 μW (100 μW typical)' 1
Load Capacitance 18 pF printed as '18 pF, or specify' 1
Operating Temperature Range -40 85 ºC 1
Storage Temperature Range -55 125 ºC 1

CAD (KiCad official)

  • Symbol: SWXJEBCVE0-23.020000
  • Footprint: Crystal:Crystal_SMD_HC49-SD
  • 3D model: HC-49S-SMD (KiCad packages3D, STEP)
  • 3D model files: swxjebcve0-23-020000-etched.step / swxjebcve0-23-020000-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); swxjebcve0-23-020000.step / swxjebcve0-23-020000.glb are the bare package body.

Provenance

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

  • Datasheet: Starwave(思大) datasheet (1 pp, sha256 436cac4404e78f41, retrieved 2026-10-21, 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