Wearable projects present unique challenges: demanding the smallest, lowest power consumption and best value parts.

All of the components within our wearables collection have been specially chosen for their combination of tiny form-factor, low power consumption and competitive price to make choosing these parts easy.

Get more space for your board and your budget with our specially chosen wearables-recommended parts.

Find the Golledge wearables component collection within our component model libraries

To make life a little easier for the design engineer we’ve put together a library of parts we specially recommend for new designs. Within the Golledge part libraries you can find schematics, package drawings and further product details to help with designing-in Golledge components. All of our wearables parts are available within the libraries, suitable for use with Autodesk Eagle, Altium Design and Pulsonix, along with other industry favourites from our product range.

Crystals for Wearable Applications

So small they're almost not there: these tiny form-factor crystals are perfect for microcontroller, module, and SoC pairing.

Golledge recommended crystal products for wearable projects

GSX-315

Miniature SM 32.768kHz Watch Crystal


Our most popular 32.768kHz solution, the GSX-315 offers highly competitive pricing and low power consumption (just 0.1uW typical) in a miniature vacuum sealed ceramic package.

  • 32.768kHz
  • Miniature ceramic package with metal lid
  • Vacuum seal for excellent long-term stability
  • Low cost for volume applications
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CM8V-T1A

Ultra-Miniature 2012 Package 32.768kHz SM Watch Crystal


The ultra-miniature CM8V-T1A offers a 32.768kHz solution with ultra-low profile package and high shock and vibration resistance. The CM8V-T1A is available in automotive and extended operating temperature ranges, with full AEC-Q200 qualification on request, and features low drive level.

  • 32.768kHz
  • Ultra low profile - 0.6mm
  • High shock & vibration resistance
  • Extended temperature range option
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GSX-211

Ultra-miniature 1.6x1.2mm SM Crystal


One of our smallest crystals, the GSX-211 features an ultra-miniature 1.6x1.2mm package, perfect for space-dependant applications such as bluetooth, wearables and asset tracking. Discover more here, or if you need AEC-Q200 qualification check out our specialist GRX-210 here.

  • 24.0 ~ 54.0MHz
  • Ultra-miniature for maximum space saving
  • Ideal for space-dependent applications
  • Metal lid grounded to minimise EMI
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GSX-221

Ultra-miniature SM Crystal


The GSX-221 ultra-miniature crystal is ideal for wireless and bluetooth applications and is particularly competitive for this size range. Offering tight stability and high reliabilty due to its seam sealed package and tight calibration tolerance and temparture stability options, this crystal is ideal for new designs requiring an ultra-miniature crystal footprint.

  • 16.0 ~ 56.0MHz
  • Ultra-miniature for maximum space saving
  • Ideal for Bluetooth / Wireless applications
  • High reliability & tight stability
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GSX-331

3.2 x 2.5mm High Frequency SM Crystal with Tight Specifications


The GSX-331 miniature surface mount crystal is available over wide available frequency range from 10.0 ~ 125MHz. GSX-331 features a miniature package measuring 3.2 x 2.5 x 0.8mm, and is available in a choice of operating temperature ranges and with a range of temperature stabilities. Find more information and configure your product here.

  • 10.0 ~ 125MHz
  • Metal lid can be grounded to minimise EMI
  • Seam sealed for excellent stability
  • Tight specifications available
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Oscillators for Wearables Designs

Chosen for their high reliability and tiny form-factors, these robust oscillators perfect for the high-mobility, high-demand lifestyle of a wearable product.

Our recommended oscillators for wearable applications

GAO-3201

1.8~5.0V 32.768kHz Oscillator


The GAO-3201 2.5x2.0mm 32.768kHz oscillator solution has excellent temperature stability specifications and is operable with any supply voltage within the 1.8V-5.0V range.

  • 32.768kHz
  • Excellent temperature stability
  • Low current consumption
  • AT-cut resonator + dividing circuit
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GFO-3301

1.5~5.5V 32.768kHz Low Power Oscillator


The GFO-3301 32.768kHz oscillator solution uses a tuning fork resonator to produce CMOS output whilst consuming very low supply current of only 1.5µA. This miniature oscillator also features very low standby current consumption of only 1.0µA.

  • 32.768kHz
  • Extremely low current consumption
  • Operational from 1.5V ~ 5.5V
  • Tuning fork resonator
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OV7604C7

Low Power 32.768kHz SM Oscillator


The world's smallest 32.768kHz oscillator, the OV7604C7 is operable from 1.2-5.5V, and features tight calibration tolerance and ultra-low current consumption of 0.3μA typical. 

  • 32.768kHz
  • Ultra low power consumption
  • World's smallest 32.768kHz oscillator
  • Tight frequency tolerance
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GXO-2201G

1.8V CMOS Oscillator with Low Jitter


Competitively priced for high volume projects, the 1.8V ultra-miniature GXO-2201G oscillator is available at frequencies from 1.50 ~ 54.0MHz. The GXO-2201G requires low supply voltage and offers tight frequency stability options over -20 to +70°C operating temperature range.

  • 1.5 ~ 54.0MHz
  • Competitive pricing for high volumes
  • Miniature ceramic package with metal lid
  • Low voltage supply
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GXO-2201J

2.5V CMOS Oscillator with Low Jitter


Competitively priced for high volume projects, the 2.5V ultra-miniature GXO-2201J oscillator is available at frequencies from 1.50 ~ 54.0MHz. The GXO-2201J requires low supply voltage and offers tight frequency stability options over -20 to +70°C operating temperature range.

  • 1.5 ~ 54.0MHz
  • Competitive pricing for high volumes
  • Miniature ceramic package with metal lid
  • Low voltage supply
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GXO-2201L

3.3V CMOS Oscillator with Low Jitter


Competitively priced for high volume projects, the 3.3V ultra-miniature GXO-2201L oscillator is available at frequencies from 1.50 ~ 54.0MHz. The GXO-2201L requires low supply voltage and offers tight frequency stability options over -20 to +70°C operating temperature range.

  • 1.5 ~ 54.0MHz
  • Competitive pricing for high volumes
  • Miniature ceramic package with metal lid
  • Low voltage supply
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GXO-3201L

2.5-3.3V SM Oscillator with Low Current Consumption


The ultra-miniature oscillator GXO-3201L is available from low frequencies of 0.75MHz with industrial operating temperature range and tight stability options.

  • 750kHz ~ 50.0MHz
  • Low current consumption
  • Enable / disable tristate function
  • Miniature ceramic package with metal lid
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GXO-3301G

1.8V High Stability SM Oscillator


The GXO-3301G oscillator is available with 1.8V supply voltage over frequency range 0.625 ~ 50.0MHz. This oscillator features tight frequency stability and low current consumption as standard.

  • 625kHz ~ 50.0MHz
  • High stability for WiMAX, LAN etc
  • Low current consumption
  • Miniature ceramic package with metal lid
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GXO-3301L

2.5V-3.3V High Stability SM Oscillator


The GXO-3301L oscillator is available at frequencies within the 0.625 ~ 50.0MHz range and is operable at any supply voltage from 2.5V-3.3V. This oscillator features tight frequency stability and low current consumption as standard.

  • 625kHz ~ 75.0MHz
  • High stability for WiMAX, LAN etc
  • Low current consumption
  • Miniature ceramic package with metal lid
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Temperature Compensated Oscillators (TCXOs) for Wearable Applications

High accuracy when you need it most - these TCXOs combine a highly accurate signal with small form-factor and low power consumption, the perfect match for those additional functions like GPS that demand the best performance.

TCXOs perfect for wearable projects

GTXO-203T

1.8V ~ 3.6V SM TCXO


GTXO-203T features an ultra-miniature 2016 package with maximum height of 0.8mm. This TCXO also offers a range of tight stability and other specification options including operating temperature range. You can find full specifications, and configurable options, here.

  • 26.0 ~ 52.0MHz
  • Ideally suited for wearable applications
  • Supply voltages from 1.8V ~ 3.6V
  • Low power consumption
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GTXO-203V

1.8V ~ 3.6V SM VCTCXO


GTXO-203V features an ultra-miniature 2016 package with maximum height of 0.8mm and built-in frequency adjustment. This TCXO also offers a range of tight stability and other specification options including operating temperature range. You can find full specifications, and configurable options, here.

  • 26.0 ~ 52.0MHz
  • Ideally suited for wearable applications
  • Supply voltages from 1.8V ~ 3.6V
  • Low power consumption
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GTXO-253T

1.8V ~ 3.6V Ultra-tight Stability TCXO for GPS


The GTXO-253T temperature compensated oscillator is entirely suited for GPS applications, featuring frequency stability as tight as ±0.5ppm, fast start up time of 3ms maximum, and a miniature 2.5 x 2.0mm package.

  • 10.0 ~ 52.0MHz
  • Ideally suited for GPS applications
  • ±0.5ppm frequency stability option
  • Supply voltage from 1.8V ~ 3.6V
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GTXO-253V

1.8V ~ 3.6V Ultra-tight Stability VCTCXO for GPS


The GTXO-253V temperature compensated oscillator is entirely suited for GPS applications, featuring frequency stability as tight as ±0.5ppm, fast start up time of 3ms maximum, voltage controlled frequency adjustment, and a miniature 2.5 x 2.0mm package.

  • 10.0 ~ 52.0MHz
  • Ideally suited for GPS applications
  • ±0.5ppm frequency stability option
  • Voltage contolled frequency adjustment
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GTXO-93V

1.8V ~ 3.6V SM VCTCXO for GPS


Ideal for GPS applications the GTXO-93V with voltage control also features analogue compensation, ensuring smooth output at variable temperatures. This miniature 3.2 x 2.5mm footprint component also features exceptional stability performance, with options as good as ±0.5ppm and power consumption as low as 1.5mA.

  • 10.0 ~ 52.0MHz
  • ±0.5ppm stability available
  • In-built voltage control
  • Low power consumption
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GTXO-93T

1.8V ~ 3.6V SM TCXO for GPS


Ideal for GPS applications the GTXO-93T TCXO features analogue compensation, ensuring smooth output at variable temperatures. This miniature 3.2 x 2.5mm footprint component also features exceptional stability performance, with options as good as ±0.5ppm and power consumption as low as 1.5mA.

  • 10.0 ~ 52.0MHz
  • Analogue compensation - no steps
  • Ideally suited for GPS applications
  • Supply voltage from 1.8V ~ 3.6V
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RTC Modules for Wearables

With class-leading low power consumption, these RTC Modules provide extra functionality where it's needed most.

RTC Modules we recommend for Wearables projects

RV1805C3

RTC I2C Bus Low Power


With ultra-low current consumption of only 17nA the RV1805C3 boasts the lowest power consumption of our entire range of real time clock modules. This RTC with miniature 3.7 x 2.5mm package and I2C bus interface offers excellent stability for an uncompensated part and incorporates many additional functions including alarm, timer, interupt, power management and trickle charge.

  • 1.0Hz ~ 32.768kHz
  • Extremely low current consumption
  • Miniature package with integrated crystal
  • Trickle charger, power management & switch
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RV8803C7

RTC I2C bus High Accuracy


A highly accurate RTC module with I2C bus interface providing timing accuracy of ±3ppm (or ±1.81 seconds per day), the RV8803C7 is also the world's smallest RTC module, with a package footprint of only 3.5 x 1.5mm. In addition to providing excellent frequency stability this real time clock module is also one of the lowest power temperature compensated RTC modules in the world with back up power requirement of only 240nA with automotive grade options available.

  • 1.0Hz ~ 32.768kHz
  • Temperature compensated
  • Ultra-low Power
  • I2C-Bus
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SAW Filters for Wearables Projects

The smallest products in our filters range, SAW filters offer precise filtering and high selectivity. Golledge specialise in custom SAW filters and also stock a wide selection of standard parts.

Check out our full range of SAW filters here and use our product search to find the model you need for your specific requirements