Crystal Units

Quartz crystal units are used as resonators in crystal oscillator circuits.
Crystals have highly accurate frequency, tight tolerance and long-term stability. They come in a wide range of frequencies and provide the clock source. Specifications include resonance frequency, resonance mode, load capacitance and series resistance. Mode of oscillation in the resonance frequency operation is specified at the fundamental frequency or the third overtone.

Crystals have two resonance modes, parallel and series. Load capacitance is an important specification when using parallel-resonant oscillation mode. Oscillator circuits can tolerate some degree of series resistance. Metal, ceramic epoxy and plastic package variety for crystals offer excellent environmental and heat resistance. Applications of a crystal are found in mobile phones, clock circuit for microprocessors, GPS clocks, and ISM band radio frequency communications.

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Description Price Standard Frequency Mounting Type Load Capacitance Package Type Pin Count Length Width Height Dimensions Frequency Tolerance Frequency Stability Series Resistance Minimum Operating Temperature Automotive Standard
RS Stock No. 671-9533
Mfr. Part No.C3E-24.576-12-3030-X
BrandAKER
SGD2.07
Each (In a Pack of 5)
units
24.576MHz Surface Mount 12pF SMD 4 3.2mm 2.5mm 0.75mm 3.2 x 2.5 x 0.75mm ±30ppm ±30ppm 100Ω -40°C -
RS Stock No. 173-4545
Mfr. Part No.C3E-16.000-12-3030-X
BrandAKER
SGD1.043
Each (On a Reel of 250)
units
16MHz Surface Mount 12pF SMD 4 3.2mm 2.5mm 0.75mm 3.2 x 2.5 x 0.75mm ±30ppm ±30ppm 100Ω -40°C -
RS Stock No. 148-5656
Mfr. Part No.LFXTAL011301 830011301
BrandIQD
SGD0.444
Each (In a Pack of 50)
units
8MHz Surface Mount 30pF SMD 2 11.4mm 4.9mm 4.3mm 11.4 x 4.9 x 4.3mm ±30ppm ±50ppm 40Ω -10°C -
RS Stock No. 173-4295
Mfr. Part No.FC4STCBMF12.0‐BAG200
SGD0.299
Each (On a Reel of 1000)
units
12MHz Through Hole 20pF HC-49-SLF 2 11.35mm 4.65mm 3.6mm 11.35 x 4.65 x 3.6mm ±30ppm ±50ppm 60Ω -20°C -
RS Stock No. 148-5332
Mfr. Part No.LFXTAL003185 830003185B
BrandIQD
SGD0.723
Each (In a Pack of 50)
units
20MHz Through Hole 12pF HC49/4H 2 11.05mm 4.7mm 4.1mm 11.05 x 4.7 x 4.1mm ±30ppm ±50ppm 40Ω -20°C -
RS Stock No. 547-6430
Mfr. Part No.FC4SDCBMF7.3728‐T1
SGD0.422
Each (In a Pack of 5)
units
7.3728MHz Surface Mount 20pF SMD 2 11.7mm 5mm 4.5mm 11.7 x 5 x 4.5mm ±30ppm ±50ppm 80Ω -20°C -
RS Stock No. 146-9534
Mfr. Part No.LFXTAL003071 830003071
BrandIQD
SGD0.952
Each (In a Pack of 50)
units
4MHz Surface Mount 16pF SMD 2 11.4mm 4.9mm 4.3mm 11.4 x 4.9 x 4.3mm ±30ppm ±50ppm 130Ω -10°C -
RS Stock No. 167-5524
Mfr. Part No.XRCGB25M000F3M00R0
BrandMurata
SGD0.259
Each (On a Reel of 3000)
units
25MHz Surface Mount 6pF SMD 4 2mm 1.6mm 0.7mm 2 x 1.6 x 0.7mm ±30ppm ±40ppm 150Ω -30°C -
RS Stock No. 671-9595
Mfr. Part No.C3E-26.000-12-1010-X
BrandAKER
SGD2.70
Each
units
26MHz Surface Mount 12pF SMD 4 3.2mm 2.5mm 0.75mm 3.2 x 2.5 x 0.75mm ±10ppm ±10ppm 100Ω -40°C -
RS Stock No. 547-6452
Mfr. Part No.FC4SDCBMF8.0‐T1
SGD0.42
Each (In a Pack of 5)
units
8MHz Surface Mount 20pF SMD 2 11.7mm 5mm 4.5mm 11.7 x 5 x 4.5mm ±30ppm ±50ppm 80Ω -20°C -
RS Stock No. 671-9539
Mfr. Part No.C3E-24.000-12-3030-X
BrandAKER
SGD1.976
Each (In a Pack of 5)
units
24MHz Surface Mount 12pF SMD 4 3.2mm 2.5mm 0.75mm 3.2 x 2.5 x 0.75mm ±30ppm ±30ppm 100Ω -40°C -
RS Stock No. 173-4400
Mfr. Part No.FK255EIHM0.032768-T3
SGD0.764
Each (On a Reel of 3000)
units
32.768kHz Surface Mount 12.5pF SMD 2 4.9mm 1.8mm 1mm 4.9 x 1.8 x 1mm ±20ppm - 70kΩ -40°C -
RS Stock No. 838-6359
Mfr. Part No.XRCGB32M000F2P00R0
BrandMurata
SGD0.56
Each (In a Bag of 5)
units
32MHz Surface Mount 6pF Cap Chip 3 2mm 1.6mm 0.7mm 2 x 1.6 x 0.7mm ±20ppm ±20ppm 100Ω -30°C -
RS Stock No. 146-3910
Mfr. Part No.LFXTAL003151 830003151
BrandIQD
SGD0.505
Each (On a Reel of 1000)
units
8MHz Surface Mount 16pF SMD 2 11.4mm 4.9mm 4.3mm 11.4 x 4.9 x 4.3mm ±30ppm ±50ppm 40Ω -10°C -
RS Stock No. 173-5828
Mfr. Part No.CM7V-T1A 32.768KHZ 7PF +/-10PPM TA QC
SGD1.25
Each (On a Reel of 3000)
units
32.768kHz Surface Mount 7pF SMD 2 3.2mm 1.5mm 0.65mm 3.2 x 1.5 x 0.65mm ±10ppm - 70kΩ -40°C -
RS Stock No. 173-5700
Mfr. Part No.9HT10-32.768KDZF-T
BrandTXC
SGD0.687
Each (On a Reel of 3000)
units
32.768kHz Surface Mount 12.5pF SMD 2 3.2mm 1.5mm 0.75mm 3.2 x 1.5 x 0.75mm ±20ppm - 70kΩ -40°C -
RS Stock No. 814-9513
Mfr. Part No.QCS10.0000F18B23R
BrandQANTEK
SGD0.318
Each (In a Bag of 10)
units
10MHz Surface Mount 18pF HC-49/U-S SMD 2 11.4mm 4.8mm 4.4mm 11.4 x 4.8 x 4.4mm ±20ppm ±30ppm 50Ω -40°C -
RS Stock No. 753-7574
Mfr. Part No.NX3225SA 12MHZ AT-W-STD-CRS-2
BrandNDK
SGD0.465
Each (On a Reel of 1000)
units
12MHz Surface Mount 8pF SMD 4 3.2mm 2.5mm 0.55mm 3.2 x 2.5 x 0.55mm ±15ppm ±50 x 10^-6 ^-6 120Ω -40°C -
RS Stock No. 814-9399
Mfr. Part No.QCL4.194304F18B23B
BrandQANTEK
SGD0.348
Each (In a Bag of 10)
units
4.1943MHz Through Hole 18pF HC-49/U-S 2 11.05mm 4.65mm 3.5mm 11.05 x 4.65 x 3.5mm ±20ppm ±30ppm 120Ω -40°C -
RS Stock No. 672-0299
Mfr. Part No.HUS-16.000-18-30/50/4085
BrandMERCURY
SGD0.556
Each (In a Pack of 5)
units
16MHz Through Hole 18pF HC-49-US 2 10.7mm 4.3mm 3.5mm 10.7 x 4.3 x 3.5mm ±30ppm ±50ppm 40Ω -40°C -