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49ASC28800202040

JGHC · Crystals · HC-49S

49ASC28800202040 from JGHC, in a HC-49S. 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 1 passive Terminal 1 of a two-terminal crystal; either orientation.
2 2 passive Terminal 2 of a two-terminal crystal; either orientation.

Key specifications

Parameter Value
Manufacturer JGHC
Package HC-49S
Category Crystals, Oscillators, Resonators
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 range f 3.2 90 MHz Fundamental, per datasheet frequency range 1
Frequency tolerance -30 30 ppm at 25℃; printed as ±30 ppm, or specify 1
Max. aging -5 5 ppm/year at 25℃; printed as ±5 ppm/year max 1
Drive level 1 100 500 μW Printed as 1 ~ 500 μW (100 μW typical) 1
Shunt capacitance C0 7 pF Printed as 7 pF Max 1
Equivalent series resistance, 3.2-3.686 MHz band ESR 200 Ω Fundamental; 3.2-3.686 MHz band 1
Equivalent series resistance, 3.686-5 MHz band ESR 150 Ω Fundamental; 3.686-5 MHz band 1
Equivalent series resistance, 5-10 MHz band ESR 80 Ω Fundamental; 5-10 MHz band 1
Equivalent series resistance, 10-14 MHz band ESR 40 Ω Fundamental; 10-14 MHz band 1
Equivalent series resistance, 14-30 MHz band ESR 30 Ω Fundamental; 14-30 MHz band 1
Equivalent series resistance, 27-30 MHz band ESR 100 Ω Fundamental; 27-30 MHz band (overlaps the 14-30 MHz row as printed) 1
Equivalent series resistance, 30-50 MHz band ESR 80 Ω Fundamental; 30-50 MHz band 1
Equivalent series resistance, 50-90 MHz band ESR 60 Ω Fundamental; 50-90 MHz band 1
Operating temperature range -20 70 ℃ Operating Temperature Range as printed; value sits in scrambled layout 1
Storage temperature range -40 85 ℃ Storage Temperature Range as printed; value sits in scrambled layout 1

CAD (KiCad official)

  • Symbol: 49ASC28800202040
  • Footprint: Crystal:Crystal_HC49-4H_Vertical
  • 3D model: HC-49S (KiCad packages3D, STEP)
  • 3D model files: 49asc28800202040-etched.step / 49asc28800202040-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 49asc28800202040.step / 49asc28800202040.glb are the bare package body.

Provenance

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

  • Datasheet: JGHC datasheet (1 pp, sha256 ``, retrieved 2026-10-14, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary crystal numbering (convention), consensus off (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