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Contents

README

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TX49S8.192M2LDBE2S

Yajingxin · Crystals · HC-49S

TX49S8.192M2LDBE2S from Yajingxin, 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 Yajingxin
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 Tolerance at 25℃ (調整頻差) -20 20 ppm at 25℃ 2
Stability over operation temperance (温度频差) -30 30 ppm 2
Aging (老化率) -5 5 ppm/year 2
Shunt Capacitance (Co) (静态电容) Co 0 7 pF 2
Insulation Resistance (绝缘电阻) 500 MΩ at DC 100V 2
Operating Temperature Range (工作温度范围) -20 70 ℃ 2
Storage Temperature Range (储存温度范围) -30 85 ℃ 2
Peak/Classification Temperature (Tp) 260 ℃ suggested reflow profile, Pb-free assembly 3
Total reflow time 200 sec suggested reflow profile 3
Average Ramp-up Rate (Ts max to Tp) 3 ℃/second suggested reflow profile 3
Ramp-down rate 6 ℃/second suggested reflow profile 3
Time 25℃ to Peak Temperature 8 minutes suggested reflow profile 3
Suggested reflow times 3 Times suggested reflow profile 3
Frequency (标称频率) 8.192 MHZ nominal frequency 2
Load Capacitance (CL) (负载电容) CL 20 pF 2
Drive Level (激励功率) 100 uw 2
Equivalent Resistance (谐振电阻) 80 Ω 2

CAD (KiCad official)

  • Symbol: TX49S8.192M2LDBE2S
  • Footprint: Crystal:Crystal_HC49-4H_Vertical
  • 3D model: HC-49S (KiCad packages3D, STEP)
  • 3D model files: tx49s8-192m2ldbe2s-etched.step / tx49s8-192m2ldbe2s-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tx49s8-192m2ldbe2s.step / tx49s8-192m2ldbe2s.glb are the bare package body.

Provenance

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

  • Datasheet: Yajingxin datasheet (5 pp, sha256 ``, retrieved 2026-10-15, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • 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