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XO PRODUCTS

Q-Tech Corporation's Crystal Oscillator (XO) products are offered in various package sizes, voltages, and logic types.
We provide oscillators for all high reliability markets: Space, Aerospace, Military/Avionics, and High Temperature/Down Hole.
Data SheetImagePackageDimensions (mm)MarketDevice TypeLogic TypeSupply VoltagePackage TypeStabilityPhase Noise FloorView Outline
B+ ProductsB+ QT101, QT106, QT141, QT142, QT122, QT128, QT125, QT127, QT126, QT129, QT130, QT178, QT188, QT189, QT190, QT192, QT193, QT194, QT180, QT181, QT182, QT183, QT184, QT185, QT186, QT187See Data SheetSpaceXOACMOS, HCMOS, LVCMOS, TTL, LVDS, LVPECL2.5 to 5.0VdcSee Data Sheet±25ppm to ±100ppmContact Q-TechView
QTCC230QTCC2302.50 x 3.20 x 1.15Miniature OscillatorsXOCMOS1.8 to 3.3VdcSurface Mount (Miniature SMD) 2.5 x 3.2mm 4 Pad±50ppm to ±100ppmContact Q-TechView
QTCC356QTCC3563.20 x 5.00 x 1.20Miniature OscillatorsXOLVDS or LVPECL2.5 to 3.3VdcSurface Mount (Miniature SMD) 3.2 x 5mm 6 Pads±25ppm to ±100ppmContact Q-TechView
QTCC353QTCC353 3-POINT MOUNT3.20 x 5.00 x 1.20Miniature OscillatorsXOLVDS or LVPECL2.5 to 3.3VdcSurface Mount (Miniature SMD) 3.2 x 5mm 6 Pads±25ppm to ±100ppmContact Q-TechView
QTCC350QTCC3503.20 x 5.00 x 1.20Miniature OscillatorsXOCMOS1.8 to 5VdcSurface Mount (Miniature SMD) 3.2 x 5mm 4 Pads±20ppm to ±100ppmContact Q-TechView
QCC325QCC3253.20 x 5.00 x 1.20Miniature OscillatorsXOCMOS1.8 to 5VdcSurface Mount (Miniature SMD) 3.2 x 5mm 4 Pads±25ppm to ±100ppmContact Q-TechView
QTCC353QTCC353 3-POINT MOUNT3.20 x 5.00 x 1.20Miniature OscillatorsXOCMOS1.8 to 5VdcSurface Mount (Miniature SMD) 3.2 x 5mm 4 Pads±50ppm to ±100ppmContact Q-TechView
QTCC570QTCC5705.00 x 7.00 x 1.40Miniature OscillatorsXOCMOS1.8 to 5VdcSurface Mount (Miniature SMD) 5 x 7mm 4 Pads±20ppm to ±100ppmContact Q-TechView
QTCC576QTCC5765.00 x 7.00 x 1.50Miniature OscillatorsXOLVDS or LVPECL2.5 to 3.3VdcSurface Mount (Miniature SMD) 5 x 7mm 6 Pads±25ppm to ±100ppmContact Q-TechView
QTCH High Temperature OscillatorsQTCH2302.50 x 3.20 x 1.15High TempXOCMOS1.8 to 3.3VdcSurface Mount (Miniature SMD) 2.5 x 3.2mm 4 Pad±150ppm to ±250ppmContact Q-TechView
QTCH High Temperature Oscillators (32K768)QTCH230 (32K768)2.50 x 3.20 x 1.15High TempXOCMOS2.5 to 3.3VdcSurface Mount (Miniature SMD) 2.5 x 3.2mm 4 Pad±150ppm to ±250ppmContact Q-TechView
QTCH High Temperature OscillatorsQTCH3503.20 x 5.00 x 1.20High TempXOCMOS1.8 to 3.3VdcSurface Mount (Miniature SMD) 3.2x5mm 4 pads±150ppm to ±250ppmContact Q-TechView
QTCH High Temperature Oscillators (32K768)QTCH350 (32K768)3.20 x 5.00 x 1.20High TempXOCMOS2.5 to 3.3VdcSurface Mount (Miniature SMD) 3.2 x 5mm 4 Pads±150ppm to ±250ppmContact Q-TechView
QTCH High Temperature OscillatorsQTCH5705.00 x 7.00 x 1.40High TempXOCMOS1.8 to 3.3VdcSurface Mount (Miniature SMD) 5 x 7mm 4 Pads±150ppm to ±250ppmContact Q-TechView
QTCH High Temperature Oscillators (32K768)QTCH570 (32K768)5.00 x 7.00 x 1.40High TempXOCMOS2.5 to 3.3VdcSurface Mount (Miniature SMD) 5 x 7mm 4 Pads±150ppm to ±250ppmContact Q-TechView
Transistor OutlineQT1, QT2, QT3, QT14, QS1, QS2, QS3, QS149.14 x 9.14 x 6.60Military & AvionicsXOACMOS, CMOS, HCMOS, LVHCMOS, TTL, Z1.8 to 15VdcTransistor Outline (TO) 8 Pin±5ppm to ±100ppm-168 dBc/Hz @ 40MHzView
QT1123L RTCQT1123L, QS1123L, QG1123L22.35 x 12.83 x 5.08High TempXO - RTCCMOS-5.2 to -4.5Vdc & 1.8 to 15VdcDual In-line (DIP-14) 14 Pin±40ppm to ±250ppmContact Q-TechView
B+ ProductsQT180, QT181, QT182, QT183, QT184, QT185, QT186, QT187, QS180, QS181, QS182, QS183, QS184, QS185, QS186, QS1875.00 x 7.00Space5x7 w/ 4pt MountACMOS, HCMOS, LVCMOS, TTL, LVDS, LVPECL2.5 to 5.0Vdc5 x 7mm 4-Point Mount±25ppm to ±100ppmContact Q-TechView
QT2010QT201025.4 x 25.4 x 13.5Military & AvionicsMCXOCMOS3.3VdcThrough Hole±5ppb to ±30ppb-176 dBc/Hz @ 10MHzView
QT2010QT201025.4 x 25.4 x 13.5Military & AvionicsMCXOSINE3.3VdcThrough Hole±5ppb to ±30ppb-166 dBc/Hz @ 81.27MHzView
QT2020QT202025.40 x 50.80 x 8.26SpaceMCXOCMOS, SINE3.3VdcDual In-line 38 Pin±5ppb to ±30ppb-176 dBc/Hz @ 10MHzView
QT2021QT202125.40 x 50.80 x 8.26SpaceMCXOCMOS, SINE3.3VdcDual In-line 38 Pin±5ppb to ±30ppb-176 dBc/Hz @ 10MHzView
QT2024QT202412.8 x 12.8 x 5.08High TempXO - RTCCMOS3.3VdcThrough Hole±40ppm to ±250ppmContact Q-TechView
Flat Pack OscillatorsQT21, QS2115.88 x 15.88 x 3.56Military & AvionicsXOACMOS, CMOS, ECL/PECL, HCMOS, LVHCMOS, TTL, Z-5.2 to -4.5Vdc & 1.8 to 15VdcFlat Pack (FP) 20 Pin±25ppm to ±100ppm-168 dBc/Hz @ 24MHzView
Flat Pack OscillatorsQT22, QS229.53 x 12.7 x 3.05Military & AvionicsXOACMOS, CMOS, ECL/PECL, HCMOS, LVHCMOS, TTL, Z-5.2 to -4.5Vdc & 1.8 to 15VdcFlat Pack (FP) 16 Pin±25ppm to ±100ppm-168 dBc/Hz @ 24MHzView
Flat Pack OscillatorsQT24, QS2415.88 x 15.88 x 3.05Military & AvionicsXOACMOS, CMOS, ECL/PECL, HCMOS, LVHCMOS, TTL, Z-5.2 to -4.5Vdc & 1.8 to 15VdcFlat Pack (FP) 20 Pin±25ppm to ±100ppm-168 dBc/Hz @ 24MHzView
Flat Pack OscillatorsQT25, QS2515.88 x 15.88 x 3.81Military & AvionicsXOACMOS, CMOS, ECL/PECL, HCMOS, LVHCMOS, TTL, Z-5.2 to -4.5Vdc & 1.8 to 15VdcFlat Pack (FP) 20 Pin±25ppm to ±100ppm-168 dBc/Hz @ 24MHzView
Flat Pack OscillatorsQT26, QS2614.99 x 20.07 x 4.06Military & AvionicsXOACMOS, CMOS, ECL/PECL, HCMOS, LVHCMOS, TTL, Z-5.2 to -4.5Vdc & 1.8 to 15VdcFlat Pack (FP) 14 Pin±25ppm to ±100ppm-168 dBc/Hz @ 24MHzView
Flat Pack OscillatorsQT28, QS289.53 x 12.7 x 3.05Military & AvionicsXOACMOS, CMOS, ECL/PECL, HCMOS, LVHCMOS, TTL, Z-5.2 to -4.5Vdc & 1.8 to 15VdcFlat Pack (FP) 16 Pin±25ppm to ±100ppm-168 dBc/Hz @ 24MHzView
QT38x RTCQT380, QT381, QT382, QT383, QT384, QT385, QT386, QT387, QS380, QS381, QS382, QS383, QS384, QS385, QS386, QS3875.0 x 7.0 x 2.54High TempXO - RTCCMOS2.5 to 3.3VdcSurface Mount (Miniature SMD) 5 x 7mm Thru Hole 6 Pin±150ppm to ±250ppmContact Q-TechView
Dual Inline PackagesQT41, QS41, QT42, QS42, QT47, QS4720.32 x 12.83 x 5.08Military & AvionicsXOACMOS, CMOS, ECL/PECL, HCMOS, LVHCMOS, TTL, Z-5.2 to -4.5Vdc & 1.8 to 15VdcDual In-line (DIP-14) 4 Pin±5ppm to ±100ppm-170 dBc/Hz @ 24MHzView
Dual Inline PackagesQT50, QS50, QT51, QS51, QT55, QS5512.83 x 12.83 x 5.08Military & AvionicsXOACMOS, CMOS, ECL/PECL, HCMOS, LVHCMOS, TTL, Z-5.2 to -4.5Vdc & 1.8 to 15VdcDual In-line (DIP-8) 4 Pin±5ppm to ±100ppm-170 dBc/Hz @ 24MHzView
QTCH500 High Temperature DIPQTCH500, QTCH510, QTCH55012.83 x 12.83 x 5.08High TempXOACMOS, CMOS, ECL/PECL, HCMOS, LVHCMOS, TTL, Z1.8 to 5VdcDual In-line (DIP-8) 4 Pin±100ppm to ±250ppmContact Q-TechView
QT58x and QT59xQT581, QT582, QT583, QT584, QT588, QT589, QT590, QT592, QS581, QS582, QS583, QS584, QS588, QS589, QS590, QS5925.00 x 7.00 x 2.00High TempXO - RTCCMOS2.5 to 3.3VdcSurface Mount (Miniature SMD) 5 x 7mm Thru Hole 6 Pin±40ppm to ±250ppmContact Q-TechView
Dual Inline PackagesQT4, QS4, QT6, QS6, QT10, QS10, QT12, QS12 QT48, QS4822.35 x 12.83 x 5.08Military & AvionicsXOACMOS, CMOS, ECL/PECL, HCMOS, LVHCMOS, TTL, Z-5.2 to -4.5Vdc & 1.8 to 15VdcDual In-line (DIP-14) 14 Pin±5ppm to ±100ppm-170 dBc/Hz @ 24MHzView
QT606CQT606C22.35 x 12.83 x 5.08SpaceXOCMOS4.5 to 5.5Vdc14 Pin (DIP)±5ppm to ±65ppmContact Q-TechView
QT606LQT606L22.35 x 12.83 x 5.08SpaceXOCMOS3.3Vdc14 Pin (DIP)±5ppm to ±65ppmContact Q-TechView
Leadless Chip CarrierQT62, QS6216.51 x 16.51 x 2.16Military & AvionicsXOACMOS, CMOS, HCMOS, LVHCMOS, TTL, Z1.8 to 15VdcLeadless Chip Carrier (LCC) 44 Pin±5ppm to ±100ppm-165 dBc/Hz @ 24MHzView
QT625CQT625C15.88 x 15.88 x 3.81SpaceXOCMOS4.5 to 5.5Vdc20 Pin (FP)±5ppm to ±65ppmContact Q-TechView
QT625LQT625L15.88 x 15.88 x 3.81SpaceXOCMOS3.3Vdc20 Pin (FP)±5ppm to ±65ppmContact Q-TechView
QT625NCQT625NC15.88 x 15.88 x 3.81SpaceXOCMOS5.0Vdc20 Pin (FP)±5ppm to ±65ppmContact Q-TechView
Multiple Output LVDSQT625LW, QS625LW15.88 x 15.88 x 3.81SpaceXOLVDS - 1 to 4 Differential Outputs3.3VdcFlat Pack (FP) 20 Pin±50ppm to ±100ppmContact Q-TechView
Multiple Output LVDSQT627LW, QS627LW15.88 x 15.88 x 3.81SpaceXOLVDS - 1 to 4 Differential Outputs3.3VdcFlat Pack (FP) 20 Pin (Formed Leads)±50ppm to ±100ppmContact Q-TechView
Multiple Output CMOSQT625xL, QS625xL, QT625xN, QS625xN15.88 x 15.88 x 3.81SpaceXOCMOS - 1 to 4 Outputs3.3Vdc, 2.5VdcFlat Pack (FP) 20 Pin±50ppm to ±100ppmContact Q-TechView
Multiple Output CMOSQT627xL, QS627xL, QT627xN, QS627xN15.88 x 15.88 x 3.81SpaceXOCMOS - 1 to 4 Outputs3.3Vdc, 2.5VdcFlat Pack (FP) 20 Pin (Formed Leads)±50ppm to ±100ppmContact Q-TechView
QT625SQT625S15.88 x 15.88 x 3.81SpaceSAWSINE3.3 or 5.0V20 Pin (FP)-200ppm to +50ppm-170 dBc/Hz @ 500MHzView
QT641CQT641C20.32 x 12.83 x 5.08SpaceXOCMOS4.5 to 5.5Vdc14 Pin (DIP)±5ppm to ±65ppmContact Q-TechView
QT641LQT641L20.32 x 12.83 x 5.08SpaceXOCMOS3.3Vdc14 Pin (DIP)±5ppm to ±65ppmContact Q-TechView
Leadless Chip CarrierQT66, QS6612.19 x 12.19 x 2.16Military & AvionicsXOACMOS, CMOS, HCMOS, LVHCMOS, TTL, Z1.8 to 15VdcLeadless Chip Carrier (LCC) 40 Pin±5ppm to ±100ppm-165 dBc/Hz @ 24MHzView
Multiple Output LVDSQT697LW, QS697LW31.75 x 41.9 x 5.10SpaceXOLVDS - 6, 8, or 12 Differential Output3.3VdcFlat Pack (FP) 62 Pin±50ppm to ±65ppmContact Q-TechView
Leadless Chip CarrierQT70, QS7014.22 x 14.22 x 2.16Military & AvionicsXOACMOS, CMOS, HCMOS, LVHCMOS, TTL, Z1.8 to 15VdcLeadless Chip Carrier (LCC) 48 Pin±5ppm to ±100ppm-165 dBc/Hz @ 24MHzView
Leadless Chip CarrierQT71, QS7111.43 x 11.43 x 2.16Military & AvionicsXOACMOS, CMOS, HCMOS, LVHCMOS, TTL, Z1.8 to 15VdcLeadless Chip Carrier (LCC) 28 Pin±5ppm to ±100ppm-165 dBc/Hz @ 24MHzView
Leadless Chip CarrierQT75, QS7513.97 x 8.89 x 2.92Military & AvionicsXOACMOS, CMOS, HCMOS, LVHCMOS, TTL, Z1.8 to 15VdcLeadless Chip Carrier (LCC) 4 Pin±5ppm to ±100ppm-165 dBc/Hz @ 24MHzView
QT780 SeriesQT778, QT780, QT781, QT782, QT783, QT784, QT785, QT786, QT787, QT788, QT789, QT790, QT792, QT793, QT794, QS778, QS780, QS781, QS782, QS783, QS784, QS785, QS786, QS787, QS788, QS789, QS790, QS792, QS793, QS794See Data SheetSpaceXOCMOS1.8 to 5VdcSee Data Sheet±25ppm to ±100ppm-162 dBc/Hz @ 40MHzView
QT723QT723, QS7232.50 x 3.20 x 0.90New SpaceXOCMOS1.8 to 3.3VdcSee Data Sheet±50ppm to ±100ppmContact Q-TechView
QT735QT735, QS7353.20 x 5.00 x 1.20New SpaceXOCMOS, LVDS, LVPECL1.8 to 5VdcSee Data Sheet±25ppm to ±100ppmContact Q-TechView
QT78QT78, QS7813.97 x 8.89 x 4.32Military & AvionicsXOACMOS, HCMOS, LVHCMOS, TTL1.8 to 5VdcSurface Mount (SMD) J-Lead 4 Pin±25ppm to ±100ppm-166 dBc/Hz @ 80MHzView
High Shock 5x7QT80F, QT81F, QT82F, QT83F, QT84F, QT85F, QT86F, QT87F, QS80F, QS81F, QS82F, QS83F, QS84F, QS85F, QS86F, QS87F, QG80F, QG81F, QG82F, QG83F, QG84F, QG85F, QG86F, QG87F 5.00 x 7.00 x 2.00Military & Avionics5x7 w/ 4pt MountCMOS, HCMOS, TTL1.8 to 5VdcSurface Mount (Miniature SMD) 5 x 7mm Thru Hole 4 Pin±50ppm to ±100ppm-162 dBc/Hz @ 40MHzView
High Temperature 5x7QT81, QS815.00 x 7.00 x 2.00High Temp5x7 w/ 4pt MountCMOS, LVHCMOS, TTL1.8 to 5VdcSurface Mount (Miniature SMD) 5 x 7mm Thru Hole 4 Pin±175ppm to ±450ppmContact Q-TechView
QT81 - QT83QT81, QT82, QT83, QS81, QS82, QS83, QG81, QG82, QG835.0 x 7.0 x 2.54Military & AvionicsXOHCMOS, LVHCMOS1.8 to 5VdcSurface Mount (Miniature SMD) 5 x 7mm Thru Hole 4 Pin±75ppm to ±100ppm-152 dBc/Hz @ 40MHzView
QT84QT84, QS84, QG845.00 x 7.00 x 2.00Military & AvionicsXOCMOS1.8 to 5VdcSurface Mount (Miniature SMD) 5 x 7mm 4 Pads±50ppm to ±75ppm-166 dBc/Hz @ 16MHzView
High Temperature 5x7QT865.00 x 7.00 x 2.00High Temp5x7 w/ 4pt MountCMOS, LVHCMOS, TTL1.8 to 5VdcSurface Mount (Miniature SMD) 5 x 7mm Thru Hole 6 Pin±175ppm to ±450ppmContact Q-TechView
5x7 LVDS-LVPECLQT80F, QT85F, QT86F, QT87F, QS80F, QS85F, QS86F, QS87F, 5.00 x 7.00 x 2.00Military & Avionics5x7 w/ 4pt MountLVDS, LVPECL2.5 to 3.3VdcSurface Mount (Miniature SMD) 5 x 7mm Thru Hole 6 Pin±50ppm to ±100ppm-143 dBc/Hz @ 125MHzView
5x7 LVDS-LVPECLQT80, QT85, QT86, QT87, QS80, QS85, QS86, QS875.00 x 7.00 x 2.00Military & AvionicsXOLVDS, LVPECL2.5 to 3.3VdcSurface Mount (Miniature SMD) 5 x 7mm Thru Hole 6 Pin±50ppm to ±100ppm-143 dBc/Hz @ 125MHzView
QT88QT88, QS888.89 x 7.37 x 4.32Military & AvionicsXOACMOS, HCMOS, LVHCMOS, TTL1.8 to 5VdcSurface Mount (SMD) J-Lead 4 Pin±25ppm to ±100ppm-163 dBc/Hz @ 20MHzView
QT89QT89, QS898.89 x 7.37 x 3.30Military & AvionicsXOACMOS, HCMOS, LVHCMOS, TTL1.8 to 5VdcSurface Mount (SMD) Thru Hole 4 Pin±25ppm to ±100ppm-162 dBc/Hz @ 50MHzView
QT90QT90, QS908.89 x 7.37 x 4.83Military & AvionicsXOACMOS, HCMOS, LVHCMOS, TTL1.8 to 5VdcSurface Mount (SMD) Gull Wing 4 Pin±25ppm to ±100ppm-163 dBc/Hz @ 20MHzView
Sine Wave DIPQT901S27.4 x 12.8 x 5.08Military & AvionicsXOSINE15VdcDual In-Line (DIP-18) 18 Pin±5ppm to ±100ppm-162 dBc/Hz @ 69.4MHzView
Sine Wave DIPQT906S22.35 x 12.83 x 5.08Military & AvionicsXOSINE5VdcDual In-line (DIP-14) 14 Pin±5ppm to ±100ppm-162 dBc/Hz @ 69.4MHzView
QT92QT92, QS928.89 x 7.37 x 4.83Military & AvionicsXOACMOS, HCMOS, LVHCMOS, TTL1.8 to 5VdcSurface Mount (SMD) Formed Lead 4 Pin±25ppm to ±100ppm-167 dBc/Hz @ 40MHzView
QT93QT93P, QS93P, QT93W, QS93W8.89 x 7.37 x 4.83Military & AvionicsXOLVDS, LVPECL40MHz to 250MHzSurface Mount (SMD) Formed Lead 6 Pin±25ppm to ±100ppm-144 dBc/Hz @ 250MHzView
QT93 and QT94QT93, QS93, QT94, QS948.89 x 7.37 x 3.30Military & AvionicsXOCMOS, LVHCMOS, TTL-5.2 to -4.5Vdc & 1.8 to 15VdcSurface Mount (SMD) Gull Wing 6 Pin±25ppm to ±100ppm-144 dBc/Hz @ 250MHzView
QT94W and QT94PQT94W, QT94P, QS94W, QS94P8.89 x 7.37 x 3.30Military & AvionicsXOLVDS, LVPECL2.5 to 3.3VdcSurface Mount (SMD) Gull Wing 6 Pin±20ppm to ±100ppm-144 dBc/Hz @ 250MHzView
Sine Wave DIPQT941S20.32 x 12.83 x 5.08Military & AvionicsXOSINE5VdcDual In-line (DIP-14) 4 Pin±5ppm to ±100ppm-162 dBc/Hz @ 69.4MHzView
Sine Wave DIPQT957S24.9 x 20.5 x 5.08Military & AvionicsXOSINE5VdcDual In-Line (DIP-16) 16 Pin±5ppm to ±100ppm-162 dBc/Hz @ 69.4MHzView
MIL-PRF-55310/16
QT6T22.35 x 12.83 x 5.08QPLM55310/16KTTL5VdcDual In-line (DIP-14) 14 Pin
MIL-PRF-55310/16
QT6T22.35 x 12.83 x 5.08QPLM55310/16KTTL5VdcDual In-line (DIP-14) 14 Pin
MIL-PRF-55310/26
QT41HC20.70 x 13.08 x 5.08QPLM55310/26DHCMOS5VdcDual In-line (DIP-14) 14 Pin
MIL-PRF-55310/26
QT41HC20.70 x 13.08 x 5.08QPLM55310/26DHCMOS5VdcDual In-line (DIP-14) 4 Pin