Part Datasheet Audit

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I’ll audit the part metadata, locate the official Abracon datasheet if needed, then verify the symbol, footprint, and pin descriptions against it and update the Datasheet property.

flux

I’m reading the part project and footprint now, while checking Abracon’s official documentation for the exact ordering code.

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Reviewed ABLS-4.897MHZ-20-R70-D-T against Abracon’s official ABLS datasheet. The Datasheet URL was already correct, and the footprint matches the specified 5.6 × 2.1 mm pads at 9.5 mm center spacing.
Key specs: 4.897 MHz fundamental crystal, 20 pF load, 70 Ω maximum custom ESR, ±50 ppm tolerance/stability, −40°C to +85°C, 11.4 × 4.7 × 4.2 mm HC-49/US SMD package.
Flagged mismatches:
  • Schematic symbol has no visible crystal body.
  • Both passive terminals lack pin descriptions and are typed Unspecified.
  • Part Type is blank.
  • Package/case property is missing.
  • Description is broadly correct but should explicitly say “70 Ω max” and “HC-49/US SMD.”
I filed an internal part-quality report covering the incomplete symbol and metadata.
Fix metadata and review
Fix part metadata
Improve crystal symbol
Run review again
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Pin Number
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Pin Number
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ABLS-4.897MHZ-20-R70-D-T

ABLS-4.897MHZ-20-R70-D-T thumbnail
4.897 MHz Surface-Mount Quartz Crystal – AT-cut fundamental-mode quartz crystal designed for microcontrollers, wireless modules, communication equipment, industrial control systems, timing circuits, embedded electronics, and IoT devices. Part of the Abracon ABLS Series, it provides a 4.897 MHz operating frequency with ±50 ppm frequency tolerance, ±50 ppm frequency stability, 20 pF load capacitance, and 70 Ω maximum ESR for reliable clock generation. Features a 100 µW typical drive level (1 mW max), HC-49/US low-profile SMD package, and fundamental resonance mode for stable oscillator performance. Designed for surface-mount assembly, it operates over a −40°C to +85°C temperature range and is suitable for general-purpose embedded and industrial timing applications.
#Abracon #ABLS4897MHZ20R70DT #QuartzCrystal #49MHzCrystal #ClockCrystal #TimingDevice #HC49US #SMDCrystal #Microcontroller #IndustrialElectronics #EmbeddedSystems

Properties

ABLS-4.897MHZ-20-R70-D-T

Abracon

Oscillator

abracon.com/Resonators/abls.pdf

Y

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