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. 144-2315
BrandRS PRO
$1.077
Each (In a Pack of 20)
units
32.768kHz Surface Mount 12.5pF SMT 4 6.7mm 1.4mm 1.3mm 6.7 x 1.4 x 1.3mm ±10ppm - 65kΩ -40°C -
RS Stock No. 144-2316
BrandRS PRO
$1.077
Each (In a Pack of 20)
units
32.768kHz Surface Mount 6pF SMT 4 6.7mm 1.4mm 1.3mm 6.7 x 1.4 x 1.3mm ±50ppm - 65kΩ -40°C -
RS Stock No. 144-5095
BrandRS PRO
$0.887
Each (In a Pack of 20)
units
8MHz Surface Mount 8pF SMT 4 3.2mm 2.5mm 0.7mm 3.2 x 2.5 x 0.7mm ±20ppm ±20ppm 100Ω -20°C -
RS Stock No. 144-2324
BrandRS PRO
$2.298
Each (In a Pack of 10)
units
32.768kHz Surface Mount 7pF SMT 2 2mm 1.2mm 0.6mm 2 x 1.2 x 0.6mm ±50ppm - 90kΩ -40°C -
RS Stock No. 144-5067
BrandRS PRO
$0.887
Each (In a Pack of 20)
units
18.432MHz Surface Mount 20pF SMT 4 3.2mm 2.5mm 0.7mm 3.2 x 2.5 x 0.7mm ±10ppm ±10ppm 80Ω -20°C -
RS Stock No. 144-5024
BrandRS PRO
$1.835
Each (In a Pack of 10)
units
24MHz Surface Mount 18pF SMT 4 6mm 3.5mm 1mm 6 x 3.5 x 1mm ±20ppm ±30ppm 40Ω -40°C -
RS Stock No. 144-1032
BrandRS PRO
$0.564
Each (In a Pack of 25)
units
10MHz Through Hole 18pF - 2 11.35mm 5mm 3.5mm 11.35 x 5 x 3.5mm ±30ppm ±50ppm 50Ω -20°C -
RS Stock No. 144-1082
BrandRS PRO
$0.596
Each (In a Pack of 25)
units
3.6864MHz Surface Mount 18pF - 2 12mm 3.8mm 4.6mm 12 x 3.8 x 4.6mm ±30ppm ±50ppm 150Ω -20°C -
RS Stock No. 144-5068
BrandRS PRO
$0.887
Each (In a Pack of 20)
units
19.2MHz Surface Mount 12pF SMT 4 3.2mm 2.5mm 0.7mm 3.2 x 2.5 x 0.7mm ±10ppm ±10ppm 80Ω -40°C -
RS Stock No. 144-1087
BrandRS PRO
$0.57
Each (In a Pack of 25)
units
4.1943MHz Surface Mount 18pF - 2 12mm 3.8mm 4.6mm 12 x 3.8 x 4.6mm ±30ppm ±50ppm 130Ω -40°C -
RS Stock No. 144-5056
BrandRS PRO
$0.887
Each (In a Pack of 20)
units
12MHz Surface Mount 18pF SMT 4 3.2mm 2.5mm 0.7mm 3.2 x 2.5 x 0.7mm ±20ppm ±30ppm 100Ω -40°C -
RS Stock No. 144-2280
BrandRS PRO
$1.567
Each (In a Pack of 10)
units
26MHz Surface Mount 8pF SMT 4 2mm 1.6mm 0.5mm 2 x 1.6 x 0.5mm ±10ppm ±10ppm 180Ω -10°C -
RS Stock No. 144-5036
BrandRS PRO
$1.835
Each (In a Pack of 10)
units
12MHz Surface Mount 20pF SMT 4 5mm 3.2mm 1mm 5 x 3.2 x 1mm ±30ppm ±50ppm 35Ω -40°C -
RS Stock No. 144-1047
BrandRS PRO
$0.564
Each (In a Pack of 25)
units
3.57MHz Through Hole 18pF - 2 11.35mm 5mm 3.5mm 11.35 x 5 x 3.5mm ±30ppm ±50ppm 180Ω -20°C -
RS Stock No. 144-5073
BrandRS PRO
$0.887
Each (In a Pack of 20)
units
24MHz Surface Mount 12pF SMT 4 3.2mm 2.5mm 0.7mm 3.2 x 2.5 x 0.7mm ±30ppm ±30ppm - -40°C -
RS Stock No. 144-1095
BrandRS PRO
$0.57
Each (In a Pack of 25)
units
8MHz Surface Mount 20pF - 2 12mm 3.8mm 4.6mm 12 x 3.8 x 4.6mm ±30ppm ±50ppm 60Ω -40°C -
RS Stock No. 144-2291
BrandRS PRO
$1.437
Each (In a Pack of 10)
units
12MHz Surface Mount 10pF SMT 4 2.5mm 2mm 0.5mm 2.5 x 2 x 0.5mm ±30ppm ±30ppm 90Ω -10°C -
RS Stock No. 144-2294
BrandRS PRO
$1.437
Each (In a Pack of 10)
units
25MHz Surface Mount 18pF SMT 4 2.5mm 2mm 0.5mm 2.5 x 2 x 0.5mm ±30ppm ±30ppm 60Ω -40°C -
RS Stock No. 144-5040
BrandRS PRO
$1.835
Each (In a Pack of 10)
units
20MHz Surface Mount 12pF SMT 4 5mm 3.2mm 1mm 5 x 3.2 x 1mm ±30ppm ±30ppm 20Ω -40°C -
RS Stock No. 144-5091
BrandRS PRO
$0.887
Each (In a Pack of 20)
units
40MHz Surface Mount 16pF SMT 4 3.2mm 2.5mm 0.7mm 3.2 x 2.5 x 0.7mm ±10ppm ±10ppm - -20°C -
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