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Contents

README

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SWXJ8BCVH0-9.810000

Starwave(思大) · IC · HC-49S-SMD

SWXJ8BCVH0-9.810000 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 One of the two crystal terminals of the 3.290 MHz unit (18 pF load capacitance typical, drive level 1500 µW, 100 µW typical); the terminal is not polarized.
2 XTAL2 passive The other crystal terminal of the 3.290 MHz unit (18 pF load capacitance typical, drive level 1500 µW, 100 µW typical); the terminal is not polarized.

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, or specify 1
Frequency Stability Over Operating Temperature Range -30 30 ppm -40 ~ +85 ºC, or specify 1
Aging -3 3 ppm/year at 25 ºC, Max. 1
Equivalent Series Resistance (ESR), fundamental ESR 80 Ω Fundamental, 5 ~ 10 MHz band, Max. 1
Shunt Capacitance C0 7 pF Max. 1
Drive Level 1 100 500 μW 1
Load Capacitance 18 pF 18 pF, or specify 1
Frequency Range 3.2 90 MHz Series range across all listed bands 1
Operating Temperature Range -40 85 ºC 1
Storage Temperature Range -55 125 ºC 1

CAD (KiCad official)

  • Symbol: SWXJ8BCVH0-9.810000
  • Footprint: Crystal:Crystal_SMD_HC49-SD
  • 3D model: HC-49S-SMD (KiCad packages3D, STEP)
  • 3D model files: swxj8bcvh0-9-810000-etched.step / swxj8bcvh0-9-810000-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); swxj8bcvh0-9-810000.step / swxj8bcvh0-9-810000.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