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. 144-2330
BrandRS PRO
PHP41.439
Each (In a Pack of 20)
units
32.768kHz Surface Mount 7pF SMT 2 3.2mm 1.5mm 0.8mm 3.2 x 1.5 x 0.8mm ±50ppm - 90kΩ -40°C -
RS Stock No. 144-2291
BrandRS PRO
PHP50.66
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. 144-5055
BrandRS PRO
PHP32.217
Each (In a Pack of 20)
units
12MHz Surface Mount 12pF SMT 4 3.2mm 2.5mm 0.7mm 3.2 x 2.5 x 0.7mm ±30ppm ±30ppm 100Ω -40°C -
RS Stock No. 144-5064
BrandRS PRO
PHP32.217
Each (In a Pack of 20)
units
16MHz Surface Mount 18pF SMT 4 3.2mm 2.5mm 0.7mm 3.2 x 2.5 x 0.7mm ±20ppm ±30ppm 80Ω -40°C -
RS Stock No. 144-2288
BrandRS PRO
PHP55.251
Each (In a Pack of 10)
units
40MHz Surface Mount 10pF SMT 4 2mm 1.6mm 0.5mm 2 x 1.6 x 0.5mm ±10ppm ±10ppm 60Ω -10°C -
RS Stock No. 144-5030
BrandRS PRO
PHP83.40
Each (In a Pack of 5)
units
6MHz Surface Mount 20pF SMT 4 7mm 5mm 1.1mm 7 x 5 x 1.1mm ±30ppm ±30ppm 100Ω -10°C -
RS Stock No. 144-1078
BrandRS PRO
PHP20.731
Each (In a Pack of 25)
units
25MHz Surface Mount 18pF - 2 12mm 3.8mm 4.6mm 12 x 3.8 x 4.6mm ±30ppm ±50ppm - -20°C -
RS Stock No. 144-1086
BrandRS PRO
PHP20.731
Each (In a Pack of 25)
units
4MHz Surface Mount 30pF - 2 12mm 3.8mm 4.6mm 12 x 3.8 x 4.6mm ±30ppm ±50ppm 130Ω -20°C -
RS Stock No. 144-1074
BrandRS PRO
PHP20.731
Each (In a Pack of 25)
units
20MHz Surface Mount 18pF - 2 12mm 3.8mm 4.6mm 12 x 3.8 x 4.6mm ±30ppm ±50ppm 40Ω -20°C -
RS Stock No. 144-2346
BrandRS PRO
PHP87.692
Each (In a Pack of 5)
units
3.57MHz Surface Mount 18pF SMT 4 12.5mm 4.6mm 3.7mm 12.5 x 4.6 x 3.7mm ±50ppm ±50ppm 200Ω -20°C -
RS Stock No. 144-5027
BrandRS PRO
PHP55.251
Each (In a Pack of 10)
units
8MHz Surface Mount 18pF SMT 4 6mm 3.5mm 1mm 6 x 3.5 x 1mm ±20ppm ±30ppm 100Ω -40°C -
RS Stock No. 144-2350
BrandRS PRO
PHP83.40
Each (In a Pack of 5)
units
8MHz Surface Mount 18pF SMT 4 12.5mm 4.6mm 3.7mm 12.5 x 4.6 x 3.7mm ±50ppm ±50ppm 100Ω -20°C -
RS Stock No. 144-2276
BrandRS PRO
PHP55.251
Each (In a Pack of 10)
units
24MHz Surface Mount 8pF SMT 4 2mm 1.6mm 0.5mm 2 x 1.6 x 0.5mm ±20ppm ±30ppm 180Ω -40°C -
RS Stock No. 144-2301
BrandRS PRO
PHP61.243
Each (In a Pack of 10)
units
32MHz Surface Mount 9pF SMT 4 2.5mm 2mm 0.5mm 2.5 x 2 x 0.5mm ±10ppm ±20ppm 50Ω -40°C -
RS Stock No. 144-2284
BrandRS PRO
PHP55.251
Each (In a Pack of 10)
units
32MHz Surface Mount 10pF SMT 4 2mm 1.6mm 0.5mm 2 x 1.6 x 0.5mm ±10ppm ±10ppm 50Ω -30°C -
RS Stock No. 144-5071
BrandRS PRO
PHP32.217
Each (In a Pack of 20)
units
20MHz Surface Mount 18pF SMT 4 3.2mm 2.5mm 0.7mm 3.2 x 2.5 x 0.7mm ±20ppm ±20ppm - -20°C -
RS Stock No. 144-1067
BrandRS PRO
PHP20.731
Each (In a Pack of 25)
units
16MHz Surface Mount 16pF - 2 12mm 3.8mm 4.6mm 12 x 3.8 x 4.6mm ±30ppm ±50ppm 40Ω -20°C -
RS Stock No. 144-1064
BrandRS PRO
PHP20.731
Each (In a Pack of 25)
units
12MHz Surface Mount 18pF - 2 12mm 3.8mm 4.6mm 12 x 3.8 x 4.6mm ±30ppm ±50ppm 50Ω -20°C -
RS Stock No. 144-1062
BrandRS PRO
PHP20.731
Each (In a Pack of 25)
units
12MHz Surface Mount 16pF - 2 12mm 3.8mm 4.6mm 12 x 3.8 x 4.6mm ±30ppm ±50ppm 50Ω -20°C -
RS Stock No. 144-2321
BrandRS PRO
PHP141.80
Each (In a Pack of 5)
units
32.768kHz Surface Mount 12.5pF SMT 2 1.6mm 1mm 0.5mm 1.6 x 1 x 0.5mm ±20ppm - 90kΩ -40°C -