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AKER 25MHz Crystal ±30ppm SMD 4-Pin 6 x 3.5 x 1mm

AKER 20MHz Crystal ±30ppm SMD 4-Pin 6 x 3.5 x 1mm


Crystal units are used as resonators in [crystal oscillator](/web/c/semiconductors/crystals-oscillators-resonators/crystal-oscillators/) 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.



Crystal Units

Crystals, Oscillators & Resonators

Passive Components

1228569899

1419482333

1422205366

1492797549

1805640584

1872595187

1950438482

2099506070

2277269800

2911534392

2972144945

3047907070

3089561311

3379516231

3437032725

3702440375

3893962904

3999174723

4084450865

4269790141

482906937

595160564

607105215

630592386

836591139

1337321341

1713511683

1953764780

215561600

2212326362

245755136

2675376924

2694081498

2854130884

3031041232

3141911626

3479376779

3537785963

3606191116

3676807775

3694170890

3696367266

3871454867

3980878867

4239710393

730636658

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AKER Crystal Units

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