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.

3507 Products showing for Crystal Units

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Currently unavailable
RS PRO 32.768kHz Crystal ±20ppm Cylindrical 2-Pin 2.1 x 6.2mm
  • RS Stock No. 144-2308
Subtotal (1 pack of 50 units)
MYR64.85
MYR1.297/unit
In Stock
Abracon 12 MHz Crystal Unit ±20 ppm HC-49-US 2-Pin 11.5 mm 5mm
  • RS Stock No. 240-0790
  • Mfr. Part No. ABL-12.000MHZ-B2
Subtotal (1 pack of 50 units)
MYR59.80
MYR1.196/unit
In Stock
Epson 32.768 kHz Crystal Unit ±20 ppm MC-306 4-Pin 2.38 mm 8 mm 3.2mm
  • RS Stock No. 904-7409
  • Mfr. Part No. Q13MC3061000112
Subtotal (1 bag of 5 units)
MYR33.50
MYR6.70/unit
In Stock
Epson 32.768 kHz Crystal ±20 ppm Surface Mount 2-Pin 0.8 mm 3.2 mm 1.5mm
  • RS Stock No. 667-6094
  • Mfr. Part No. Q13FC1350000212
Subtotal (1 pack of 5 units)
MYR27.19
MYR5.438/unit
In Stock
Epson 24 MHz Crystal Unit ±10 ppm SMT 4-Pin 0.5 mm 2 mm 1.6mm
  • RS Stock No. 205-3406
  • Mfr. Part No. Q22FA1280024912
Subtotal (1 pack of 5 units)
MYR15.93
MYR3.186/unit
In Stock
Epson 32.768 MHz Crystal Unit ±20 ppm SMT 2-Pin 0.6 mm 2.05 mm 1.2mm
  • RS Stock No. 205-3451
  • Mfr. Part No. X1A000141000112
Subtotal (1 pack of 5 units)
MYR18.92
MYR3.784/unit
In Stock
Epson 32.768 MHz Crystal Unit ±20 ppm SMT 2-Pin 0.6 mm 2.05 mm 1.2mm
  • RS Stock No. 205-3448
  • Mfr. Part No. X1A000141000612
Subtotal (1 pack of 5 units)
MYR19.86
MYR3.972/unit
In Stock
Epson 32.768 kHz Crystal Unit ±20 ppm Surface Mount 4-Pin 2.38 mm 8 mm 3.2mm
  • RS Stock No. 667-6117
  • Mfr. Part No. Q13MC3061000311
Subtotal (1 pack of 5 units)
MYR30.51
MYR6.102/unit
Limited stock
Epson 24 MHz Crystal Unit ±10 ppm TSX-3225 4-Pin 0.6 mm 3.2 mm 2.5mm
  • RS Stock No. 904-7522
  • Mfr. Part No. X1E000021012912
Subtotal (1 bag of 5 units)
MYR40.80
MYR8.16/unit
In Stock
Epson 32.768 kHz Crystal Unit ±20 ppm Surface Mount 4-Pin 2.38 mm 8 mm 3.2mm
  • RS Stock No. 667-6120
  • Mfr. Part No. Q13MC3061000611
Subtotal (1 pack of 5 units)
MYR29.05
MYR5.81/unit
In Stock
Epson 16 MHz Crystal ±10 to ±30 ppm Surface Mount 4-Pin 0.55 mm 2.5 mm 2mm
  • RS Stock No. 667-6195
  • Mfr. Part No. Q24FA20H0004411
Subtotal (1 unit)
MYR5.41
MYR5.41/unit
In Stock
Epson 32.768 kHz Crystal ±20 ppm Surface Mount 4-Pin 1.4 mm 6.7 mm 1.5mm
  • RS Stock No. 667-6114
  • Mfr. Part No. Q13MC1461000111
Subtotal (1 pack of 5 units)
MYR21.59
MYR4.318/unit
In Stock
Micro Crystal 32.768 kHz Crystal ±20 ppm SMD 2-Pin 0.9 mm 5 mm 1.9mm
  • RS Stock No. 672-7622
  • Mfr. Part No. CC4V-T1A 32.768kHz 12.5pF +-20ppm
Subtotal (1 pack of 5 units)
MYR32.44
MYR6.488/unit
In Stock
AKER 25 MHz Crystal ±50 ppm Surface Mount 4-Pin 0.75 mm 3.2 mm 2.5mm
  • RS Stock No. 672-0151
  • Mfr. Part No. C3E-25.000-12-50100-X1
Subtotal (1 unit)
MYR3.59
MYR3.59/unit
In Stock
IQD 8 MHz Crystal Unit ±20 ppm SMD 4-Pin 1 mm 5 mm 3.2mm
  • RS Stock No. 735-546
  • Mfr. Part No. LFXTAL055663
Subtotal (1 pack of 5 units)
MYR24.51
MYR4.902/unit
Last RS stock
Epson 32 MHz Crystal Unit ±10 ppm SMT 4-Pin 0.5 mm 2 mm 1.6mm
  • RS Stock No. 205-3419
  • Mfr. Part No. Q22FA1280053012
Subtotal (1 pack of 5 units)
MYR21.75
MYR4.35/unit
In Stock
Micro Crystal 32.768 kHz Crystal ±20 ppm Surface Mount 2-Pin 0.6 mm 2 mm 1.2mm
  • RS Stock No. 729-3259
  • Mfr. Part No. CM8V-32.768-TA-020-12.5
Subtotal (1 bag of 5 units)
MYR21.85
MYR4.37/unit
In Stock
AKER 20 MHz Crystal ±30 ppm Surface Mount 4-Pin 0.75 mm 3.2 mm 2.5mm
  • RS Stock No. 671-9536
  • Mfr. Part No. C3E-20.000-12-3030-X
Subtotal (1 pack of 5 units)
MYR17.10
MYR3.42/unit
In Stock
Ecliptek 32.768 MHz Crystal Unit 20 ppm Tape & Reel 4-Pin 2.5 mm 3.7 mm 7.9mm
  • RS Stock No. 219-1968
  • Mfr. Part No. E1WSDA12-32.768K TR
Subtotal (1 pack of 10 units)
MYR21.84
MYR2.184/unit
In Stock
Ecliptek 12 MHz Crystal Unit 30 ppm Tape & Reel 3.2 mm 13.3 mm 4.85mm
  • RS Stock No. 219-1957
  • Mfr. Part No. E1SEA18-12.000M TR
Subtotal (1 pack of 10 units)
MYR12.90
MYR1.29/unit
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