AKER HC-49 U-Through Hole Quartz Crystal Unit handbook(5) User Guide
Summary
A high-precision Quartz Crystal Unit engineered for stable timing applications across demanding environments. This manual provides comprehensive specifications, including electrical parameters (24.576 MHz frequency), temperature tolerance ranges, load capacitance details, and robust lead-free compatibility (RoHS compliant). It is essential reading for electronics designers, engineers, and hardware developers integrating precision oscillators into industrial equipment or specialized timing circuits requiring reliable performance from -40°C to +85°C.
Page 1 Text Content
Revisions Ltr Date Appr
Ro HS Compliant Pb - Lead Free
Electrical Specifi cations: Nominal Frequency 24.576 MHz Mode of Oscillation Fundamental Frequency Tolerance at 25°C ±30
PPM Max
Frequency Stability over Temperature Range ±50 Operating Temperature Range (Extended) -40 to +85
Storage Temperature Range -55 to +125 Aging per Year ±3 PPM Max Load Capacitance
Shunt Capacitance (Maximum) Equivalent Series Resistance (ESR) Ohms Max Drive Level 100 Typ - 500 Max u W Solder Reflow Characteristics +260 for 10 s Max º C Mechanical Specifi cations:
Specifi cation Title:
Quartz Crystal Unit HC-49/U-Through Hole
11-3 Chien-Kuo Rd T.E.P.Z. 4027 Taiwan, ROC
Product Specifi cation
All dimensions are millimeters.
Farnell Order Code: 1538726TR
Review: KG
Appr: EG
Part Number: C-24.576-18-3050-X
Page: 1/1 Date: Jan. 18, 2008
www.aker-usa.com
Page Summary Contents For AKER HC-49 U-Through Hole Quartz Crystal Unit handbook(5) User Guide
Manual Details
| Brand | Crystal |
|---|---|
| Pages | 1 |
| File Size | 49.89 KB |
| Published | May 18, 2026 |
Enter the captcha to get the download link:
Frequently Asked Questions
What are the operational temperature limits for this crystal oscillator?
The extended operating temperature range is from -40 to +85 degrees Celsius.
What capacitance values can I connect using this unit?
It supports a Max Load Capacitance of 18 pF and a maximum Shunt Capacitance of 7 pF.
What soldering profile should I use when installing the crystal?
The recommended solder reflow characteristics are +260 degrees Celsius for 10 seconds.
How much frequency drift can I expect over varying temperatures?
The maximum frequency stability over the temperature range is rated at ±50 ppm.