Crystal Units

Crystal units are used as resonators in crystal oscillator circuits and have a 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. The mode of oscillation in the resonance frequency operation is specified at the fundamental frequency or the third overtone.

Crystal Unit Modes

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.

3448 Products showing for Crystal Units

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Currently unavailable
RS PRO 4 MHz Crystal ±50 ppm 2-Pin 10.5 mm
  • RS Stock No. 144-5019
Subtotal (1 pack of 20 units)
HK$65.00
HK$3.25/unit
Currently unavailable
RS PRO 4.9152 MHz Crystal ±30 ppm 2-Pin 4.6 mm 12 mm 3.8mm
  • RS Stock No. 144-1088
Subtotal (1 pack of 25 units)
HK$38.10
HK$1.524/unit
Currently unavailable
RS PRO 32.768 kHz Crystal ±10 ppm SMT 2-Pin 0.8 mm 3.2 mm 1.5mm
  • RS Stock No. 144-2326
Subtotal (1 pack of 20 units)
HK$141.60
HK$7.08/unit
In Stock
Murata 40 MHz Crystal Unit Surface Mount 4-Pin 0.65 mm 1.6 mm 2mm
  • RS Stock No. 276-3860
  • Mfr. Part No. XRCGB40M000F5A00R0
Subtotal (1 tape of 10 units)
HK$32.20
HK$3.22/unit
In Stock
Wurth Elektronik 32.768 kHz Crystal ±20.00 ppm Cylindrical 2-Pin 4.7 mm 6 mm 2mm
  • RS Stock No. 197-708
  • Mfr. Part No. 830014219B
Subtotal (1 tape of 10 units)
HK$24.10
HK$2.41/unit
In Stock
Abracon 25 MHz Crystal ±50 ppm Surface Mount 4-Pin 0.8 mm 3.2 mm 2.5mm
  • RS Stock No. 240-3466
  • Mfr. Part No. ABM8-25.000MHZ-10-D1G-T
Subtotal (1 pack of 25 units)
HK$90.50
HK$3.62/unit
In Stock
Euroquartz 4 MHz Crystal ±30 ppm HC-49 2-Pin 3.5 mm 10.77 mm 4.34mm
  • RS Stock No. 693-8774
  • Mfr. Part No. 4.000MHz HC49/4H/30/50/-40+85/18pF/ATF
Subtotal (1 unit)
HK$4.80
HK$4.80/unit
Last RS stock
RS PRO 12 MHz Crystal ±20 ppm SMT 4-Pin 0.7 mm 3.2 mm 2.5mm
  • RS Stock No. 144-5057
Subtotal (1 pack of 20 units)
HK$33.40
HK$1.67/unit
Currently unavailable
RS PRO 4.1943 MHz Crystal ±30 ppm 2-Pin 4.6 mm 12 mm 3.8mm
  • RS Stock No. 144-1087
Subtotal (1 pack of 25 units)
HK$37.00
HK$1.48/unit
In Stock
QANTEK 8 MHz Crystal ±20 ppm HC-49 2-Pin 3.5 mm 11.05 mm 4.65mm
  • RS Stock No. 814-9412P
  • Mfr. Part No. QCL8.00000F18B23B
Subtotal 10 units (supplied on a continuous strip)
HK$15.10
HK$1.51/unit
Currently unavailable
RS PRO 32 MHz Crystal ±10 ppm SMT 4-Pin 0.5 mm 2 mm 1.6mm
  • RS Stock No. 144-2284
Subtotal (1 pack of 10 units)
HK$35.00
HK$3.50/unit
In Stock
Abracon 20 MHz Crystal ±20 ppm Surface Mount 1.3 mm 5 mm 3.2mm
  • RS Stock No. 171-0498
  • Mfr. Part No. ABM3-20.000MHZ-D2Y-T
Subtotal (1 pack of 5 units)
HK$21.10
HK$4.22/unit
Currently unavailable
RS PRO 12 MHz Crystal ±20 ppm SMT 4-Pin 0.7 mm 3.2 mm 2.5mm
  • RS Stock No. 144-5056
Subtotal (1 pack of 20 units)
HK$31.80
HK$1.59/unit
In Stock
Abracon 24 MHz Crystal ±20 ppm Surface Mount 1.4 mm 6 mm 3.5mm
  • RS Stock No. 171-0293
  • Mfr. Part No. ABM7-24.000MHZ-D2Y-T
Subtotal (1 reel of 1000 units)
HK$3,176.00
HK$3.176/unit
In Stock
Abracon 8 MHz Crystal ±20 ppm Surface Mount 1.1 mm 5 mm 3.2mm
  • RS Stock No. 171-0644
  • Mfr. Part No. ABM3B-8.000MHZ-B2-T
Subtotal (1 pack of 10 units)
HK$46.70
HK$4.67/unit
Temporarily out of stock
Abracon 25 MHz Crystal ±50 ppm Ceramic package 4-Pin 0.8 mm 3.2 mm 2.5mm
  • RS Stock No. 240-3487
  • Mfr. Part No. ABM8AIG-25.000MHZ-8-T
Subtotal (1 reel of 1000 units)
HK$3,823.00
HK$3.823/unit
In Stock
Abracon 48 MHz Crystal Unit ±50 ppm Surface Mount 4-Pin 1.1 mm 5 mm 3.2mm
  • RS Stock No. 241-3005P
  • Mfr. Part No. ABM3B-48.000MHZ-10-1-U-T
Subtotal 10 units (supplied on a continuous strip)
HK$53.90
HK$5.39/unit
Temporarily out of stock
RALTRON 14.7456 MHz Crystal ±30 ppm HC-49 2-Pin 3.5 mm 11.35 mm 5mm
  • RS Stock No. 693-6977
  • Mfr. Part No. AS-14.7456-18
Subtotal (1 bag of 10 units)
HK$42.60
HK$4.26/unit
In Stock
Abracon 32.76 kHz Crystal Unit ±20 ppm Surface Mount 2-Pin 0.9 mm 3.2 mm 1.5mm
  • RS Stock No. 187-5923
  • Mfr. Part No. ABS07-32.768kHz-9-H-T
Subtotal (1 pack of 10 units)
HK$97.50
HK$9.75/unit
Temporarily out of stock
ILSI 16 MHz Crystal Unit ±30 ppm SMD 2-Pin 4.5 mm 13.3 mm 4.73mm
  • RS Stock No. 219-2131
  • Mfr. Part No. HC49USM-FB5F20-16.000MHz
Subtotal (1 tape of 25 units)
HK$46.90
HK$1.876/unit
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