AKER - Quartz Crystal Unit HC-49 U- S - Through Hole User's Manual
Summary
Discover detailed specifications for a high-precision Quartz Crystal Unit, optimized for reliable electronic timing applications at 27 MHz. This comprehensive document provides essential electrical, mechanical, and environmental data, including frequency tolerance, load capacitance, and stringent temperature ranges. Ideal for electronics engineers and designers who require durable, lead-free components (RoHS Compliant) for developing mission-critical equipment needing maximum stability and accurate operation.
Page 1 Text Content
Revisions Ltr Date Appr
Ro HS Compliant Pb - Lead Free
Electrical Specifi cations: Nominal Frequency 27.000 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-S - Through Hole
11-3 Chien-Kuo Rd T.E.P.Z. 4027 Taiwan, ROC
Product Specifi cation
All dimensions are millimeters.
Farnell Order Code: 1538753TR
Review: SL
Appr: AL
Part Number: CA-27.000-18-3050-X
Page: 1/1 Date: Jan. 16, 2008
www.aker-usa.com
Page Summary Contents For AKER - Quartz Crystal Unit HC-49 U- S - Through Hole User's Manual
Manual Details
| Brand | Crystal |
|---|---|
| Pages | 1 |
| File Size | 50.91 KB |
| Published | May 18, 2026 |
Enter the captcha to get the download link:
Frequently Asked Questions
What operating temperature range does the crystal unit support?
The extended operating temperature range is -40 to +85 °C.
Is this quartz crystal unit environmentally compliant and lead free?
Yes, it is indicated as RoHS Compliant and Lead Free.
What soldering parameters should be used for reflow characteristics?
The recommended reflow profile is +260 °C for 10 seconds.