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AKER HC-49 U-SS-SMD - 4 Pad Quartz Crystal Unit Handbook

Summary

This robust SMD Quartz Crystal Unit offers highly precise frequency stability for integrating reliable timing into modern electronic devices. The comprehensive manual provides detailed electrical parameters—including operational temperature ranges, capacitance values, and mechanical specifications—ensuring seamless integration into complex circuit designs. This component is ideal for embedded systems engineers and manufacturers requiring high-performance, RoHS compliant oscillators in compact applications.

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Revisions Ltr Date Appr

Ro HS Compliant Pb - Lead Free

Electrical Specifi cations: Nominal Frequency 32.000 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-SMD - 4 Pad

11-3 Chien-Kuo Rd T.E.P.Z. 4027 Taiwan, ROC

Product Specifi cation

All dimensions are millimeters. CAD: Farnell Order Code: 1538805TR Review: SL Appr: AL

Part Number: CA4-32.000-18-3050-X

Page: 1/1 Date: Jan. 16, 2008

www.aker-usa.com

Page Summary Contents For AKER HC-49 U-SS-SMD - 4 Pad Quartz Crystal Unit Handbook

Page 1 Revisions Ltr Date Appr Ro HS Compliant Pb - Lead Free Electrical Specifi cations: Nominal Frequency 32.000 MHz Mode of Oscillation Fundamental Frequency Tolerance at 25°C ±30 PPM Max Frequency Stabil...

Manual Details

Brand Crystal
Pages 1
File Size 45.02 KB
Published May 18, 2026
49 views

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Frequently Asked Questions

What is the intended operating temperature range for this crystal unit?

The specified Operating Temperature Range is -40 to +85 °C.

Does the crystal comply with lead-free regulations?

Yes, it is RoHS Compliant and Pb - Lead Free.

How does the frequency tolerance behave at 25°C?

The Frequency Tolerance at 25°C is stated as ±30 PPM.

What are the maximum electrical specifications for this component?

It has a Max Load Capacitance of 18 pF and handles a Max Drive Level of 100 Typ - 500 max uW.