IQD Frequency Products

Crystal Clock Oscillators

IQD IQXO-691, IQXO-54x, IQXO-951, IQXC-90, IQXC-42, IQXC-240, HC49, and IQXO-40x series crystal clock oscillators are designed for IoT applications

Image of IQD Crystal Clock OscillatorsIQD IQXO-691, IQXO-54x, IQXO-951, IQXC-90, IQXC-42, IQXC-240, HC49, and IQXO-40x series crystal clock oscillators offer solutions tailored to IoT applications, such as low-power oscillation, compact size with wide operating temperatures, and optimization for Wi-Fi® and Bluetooth® connectivity.

Features
  • Low power consumption (IQXO-691 and IQXO-54x series)
  • Variable voltage supply (IQXO-951 series)
  • Compact quartz crystals (IQXC-90 series)
  • Wide operating temperatures (IQXC-42, IQXC-240, HC49, and IQXO-40x series)
  • RoHS and REACH compliant
Applications
  • Smart meters
  • Wearable health monitors
  • Asset trackers
  • Smart home devices
  • Vehicle telematics
  • Wireless sensor networks

IQXC-42 Series

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
WE-XTAL QUARTZ CRYSTAL 32.0 MHZ;830108212909WE-XTAL QUARTZ CRYSTAL 32.0 MHZ;8666 - Immediate$0.53View Details
WE-XTAL QUARTZ CRYSTAL 16.0 MHZ;830108178109WE-XTAL QUARTZ CRYSTAL 16.0 MHZ;10142 - Immediate$0.53View Details
WE-XTAL QUARTZ CRYSTAL 40.0 MHZ;830108213209WE-XTAL QUARTZ CRYSTAL 40.0 MHZ;5965 - Immediate$0.53View Details
WE-XTAL QUARTZ CRYSTAL 24.0 MHZ;830108212309WE-XTAL QUARTZ CRYSTAL 24.0 MHZ;2110 - Immediate$0.53View Details
WE-XTAL QUARTZ CRYSTAL 25.0 MHZ;830108212509WE-XTAL QUARTZ CRYSTAL 25.0 MHZ;3620 - Immediate$0.53View Details
WE-XTAL QUARTZ CRYSTAL 16.0 MHZ;830108288709WE-XTAL QUARTZ CRYSTAL 16.0 MHZ;2982 - Immediate$0.69View Details
CRYSTAL 40.0000MHZ 10PF SMDLFXTAL071265CRYSTAL 40.0000MHZ 10PF SMD0 - Immediate$0.79View Details
CRYSTAL 25.0000MHZ 10PF SMDLFXTAL071259CRYSTAL 25.0000MHZ 10PF SMD5376 - Immediate$1.26View Details
WE-XTAL QUARTZ CRYSTAL 48.0 MHZ;830108213509WE-XTAL QUARTZ CRYSTAL 48.0 MHZ;513 - Immediate$0.53View Details
WE-XTAL QUARTZ CRYSTAL 38.4 MHZ;830108213109WE-XTAL QUARTZ CRYSTAL 38.4 MHZ;833 - Immediate$0.53View Details

IQXO-54x Series

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
XTAL OSC XO 32.7680MHZ CMOS830208215609XTAL OSC XO 32.7680MHZ CMOS4062 - Immediate$1.95View Details
XTAL OSC XO 8.0000MHZ CMOS830208214709XTAL OSC XO 8.0000MHZ CMOS1791 - Immediate$1.95View Details
XTAL OSC XO 19.2000MHZ CMOS830208217009XTAL OSC XO 19.2000MHZ CMOS2993 - Immediate$1.70View Details
XTAL OSC XO 50.0000MHZ CMOS830208215809XTAL OSC XO 50.0000MHZ CMOS3034 - Immediate$1.95View Details
XTAL OSC XO 12.0000MHZ CMOS830208214809XTAL OSC XO 12.0000MHZ CMOS3317 - Immediate$1.95View Details
XTAL OSC XO 24.0000MHZ CMOS830208215109XTAL OSC XO 24.0000MHZ CMOS2509 - Immediate$1.95View Details
XTAL OSC XO 12.2880MHZ CMOS830208214909XTAL OSC XO 12.2880MHZ CMOS1078 - Immediate$1.95View Details
XTAL OSC XO 4.0000MHZ CMOS830208214609XTAL OSC XO 4.0000MHZ CMOS1798 - Immediate$1.95View Details
XTAL OSC XO 10.0000MHZ CMOS SMDLFSPXO071190XTAL OSC XO 10.0000MHZ CMOS SMD596 - Immediate$2.76View Details
XTAL OSC XO 24.0000MHZ CMOS830208217109XTAL OSC XO 24.0000MHZ CMOS2986 - Immediate$1.70View Details

IQXC-90 Series

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
CRYSTAL 32.7680KHZ 9PF SMDLFXTAL066198CRYSTAL 32.7680KHZ 9PF SMD5541 - Immediate$1.36View Details
CRYSTAL 32.7680KHZ 7PF SMDLFXTAL066431CRYSTAL 32.7680KHZ 7PF SMD4343 - Immediate$1.36View Details
CRYSTAL 32.7680KHZ 12.5PF SMDLFXTAL065253CRYSTAL 32.7680KHZ 12.5PF SMD4236 - Immediate$1.29View Details
20/-/-/4LFXTAL07088520/-/-/40 - Immediate$0.92View Details
20/-/-/6LFXTAL08214020/-/-/60 - Immediate$0.82View Details

IQXC-240 Series

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
IQXC-240 1.2 X 1.0MM 32.0MHZLFXTAL090986IQXC-240 1.2 X 1.0MM 32.0MHZ145 - Immediate$2.56View Details

IQXO-951 Series

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
XTAL OSC 25.0000MHZ CMOS SMD 1.LFSPXO083820XTAL OSC 25.0000MHZ CMOS SMD 1.8936 - Immediate$1.45View Details
XTAL OSC 24.0000MHZ CMOS SMD 1.LFSPXO083818XTAL OSC 24.0000MHZ CMOS SMD 1.5765 - Immediate$1.45View Details
XTAL OSC 50.0000MHZ CMOS SMD 1.LFSPXO083822XTAL OSC 50.0000MHZ CMOS SMD 1.2723 - Immediate$1.45View Details
XTAL OSC 12.0000MHZ CMOS SMD 1.LFSPXO083813XTAL OSC 12.0000MHZ CMOS SMD 1.2995 - Immediate$1.45View Details
XTAL OSC 16.0000MHZ CMOS SMD 1.LFSPXO083815XTAL OSC 16.0000MHZ CMOS SMD 1.8 - Immediate$1.45View Details
XTAL OSC 25.0000MHZ CMOS SMD 1.LFSPXO083826XTAL OSC 25.0000MHZ CMOS SMD 1.4588 - Immediate$1.58View Details
XTAL OSC 25.0000MHZ CMOS SMD 1.LFSPXO083832XTAL OSC 25.0000MHZ CMOS SMD 1.2820 - Immediate$1.76View Details
XTAL OSC 24.0000MHZ CMOS SMD 1.LFSPXO083830XTAL OSC 24.0000MHZ CMOS SMD 1.167 - Immediate$1.86View Details
XTAL OSC 50.0000MHZ CMOS SMD 1.LFSPXO083828XTAL OSC 50.0000MHZ CMOS SMD 1.0 - Immediate$1.49View Details
XTAL OSC 16.0000MHZ CMOS SMD 1.LFSPXO083824XTAL OSC 16.0000MHZ CMOS SMD 1.0 - Immediate$1.49View Details

IQXO-691 Series

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
XTAL OSC XO 24.0000MHZ CMOS SMDLFSPXO076023XTAL OSC XO 24.0000MHZ CMOS SMD915 - Immediate$3.05View Details
XTAL OSC XO 40.0000MHZ CMOS SMDLFSPXO076027XTAL OSC XO 40.0000MHZ CMOS SMD1694 - Immediate$3.05View Details
XTAL OSC XO 26.0000MHZ CMOS SMDLFSPXO076025XTAL OSC XO 26.0000MHZ CMOS SMD1038 - Immediate$3.05View Details
XTAL OSC XO 25.0000MHZ CMOS SMDLFSPXO076024XTAL OSC XO 25.0000MHZ CMOS SMD7016 - Immediate$3.05View Details
XTAL OSC XO 24.0000MHZ CMOS SMDLFSPXO076039XTAL OSC XO 24.0000MHZ CMOS SMD0 - Immediate$2.09View Details

HC49 Series

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
CRYSTAL 8.0000MHZ 30PF SMDLFXTAL011301CRYSTAL 8.0000MHZ 30PF SMD5641 - Immediate$0.37View Details
CRYSTAL 6.0000MHZ 30PF SMDLFXTAL016788CRYSTAL 6.0000MHZ 30PF SMD2802 - Immediate$0.37View Details
CRYSTAL 20.0000MHZ 16PF SMDLFXTAL003181CRYSTAL 20.0000MHZ 16PF SMD1392 - Immediate$0.51View Details
CRYSTAL 8.0000MHZ 16PF SMDLFXTAL003151CRYSTAL 8.0000MHZ 16PF SMD3692 - Immediate$0.50View Details
CRYSTAL 4.0000MHZ 16PF SMDLFXTAL003071CRYSTAL 4.0000MHZ 16PF SMD1667 - Immediate$0.50View Details
CRYSTAL 6.0000MHZ 16PF SMDLFXTAL026900CRYSTAL 6.0000MHZ 16PF SMD1319 - Immediate$0.50View Details
CRYSTAL 12.0000MHZ 16PF SMDLFXTAL003210CRYSTAL 12.0000MHZ 16PF SMD4441 - Immediate$0.50View Details
CRYSTAL 11.0592MHZ 16PF SMDLFXTAL003519CRYSTAL 11.0592MHZ 16PF SMD1011 - Immediate$0.50View Details
CRYSTAL 16.0000MHZ 16PF SMDLFXTAL003237CRYSTAL 16.0000MHZ 16PF SMD9748 - Immediate$0.47View Details
CRYSTAL 25.0000MHZ 16PF SMDLFXTAL010595CRYSTAL 25.0000MHZ 16PF SMD5558 - Immediate$0.50View Details
Published: 2025-05-06

Related Videos

IQD Miniature SPXO for Low-Power, Space-Saving Applications
IQD Miniature SPXO for Low-Power, Space-Saving Applications

Publish Date: 2026-04-07

IQXC-240 Miniature Quartz Crystal from IQD Frequency for IoT, smart-home and wearable devices
IQXC-240 Miniature Quartz Crystal from IQD Frequency for IoT, smart-home and wearable devices

Publish Date: 2025-12-09

Quartz Crystals & Oscillators - Frequency Products Back to Basics
Quartz Crystals & Oscillators - Frequency Products Back to Basics

Publish Date: 2025-04-14

Related Product Highlight

LFXTAL090xxx Quartz Crystals IQD LFXTAL090xxx quartz crystals are meticulously designed to deliver reliable performance across a wide range of applications.
IQXC-42 and CFPX-180 Extended Temperature Range Crystals IQD’s IQXC-42 and CFPX-180 crystals are ideal for a variety of applications including IoT and RFID.
IQXO-691 Low-Voltage Clock Oscillators IQD's IQXO-691 series of low-voltage clock oscillators is ideal for use in portable designs where improved battery life is critical.

Related Articles and Blogs

Pandemic Project – Deck & Hot Tub During our “Stay at Home” time here in Minnesota, my husband and I decided to complete some long postponed tasks at our home.
Why My Crystal Does Not Start Up and How it is Related, Surprisingly, to the MCU Itself My timing crystal doesn’t start up when it has always done so before? Find out why and what to do about it in this blog.
The Differences Between Standby (ST) and Output Enable (OE) Options in Oscillators Most oscillators reserve pin 1 to a function called Output Enable (OE) or Enable/Disable (E/D). Find out what these functions do in this blog.

Related Product Training Modules

IQXO-951 Clock Oscillators IQD's variable supply voltage clock oscillators offer standard stability of ±25 ppm over the industrial temperature range of - 40 to 85°C.
Terms & Conditions Privacy Notice Trade Compliance Accessibility Statement Cookie Settings Do Not Sell / Do Not Share My Personal Information
Local Support: 701 Brooks Avenue South, Thief River Falls, MN 56701 USA Copyright © 1995-2026, DigiKey. All Rights Reserved.
ECIA Member
ECIA Member