3215 SM watch crystal


Automotive Watch Crystal (AEC-Q200)

  • AEC-Q200 automotive qualified
  • Miniature ceramic package with metal lid
  • Vacuum seal for excellent long-term stability
  • Low cost for volume applications
  • Low power consumption
Configurable Options
ParameterOption Code
Calibration tolerance
Quantity / Special Request

Please specify the quantity you require below.

The GRX-315 is supplied on tape and reel. 3k pcs per reel is the standard T&R pack size for this product. Partial quantities may be supplied on tape (no reel), or in bulk.

Product Description

The GRX-315 is a dedicated automotive 32.768kHz solution and comes with full AEC-Q200 qualification as standard.

This surface mount watch crystal offers a choice of calibration tolerances and circuit conditions and comes with good ±3ppm per year ageing performance as standard. 

The GRX-315 also offers particularly competitive pricing for volume applications and low power consumption for minimal impact on design power budgets.

Frequency 32.768kHz
Dimensions 3.2 x 1.5 x 0.9mm
Operating temperature range -40 to +85°C
Storage temperature range -55 to +125°C
Circuit condition 12.5pF
Static capacitance (C0) 2.0pF max
Motional capacitance (C1) 3.0fF min
Equivalent series resistance 50kΩ typ, 70kΩ max @ 25°C
Ageing ±3ppm max first year
Drive level 0.1µW typ, 0.5µW max
Turnover temperature (T0) +25°C ±5°C
Frequency / temp coefficient -0.04ppm/°C2 max
Soldering condition Reflow, 260°C, 20 sec max
Qualification AEC-Q200 (Automotive)
Package Drawing
Package footprint and pad configuration drawing for the Golledge GRX-315 / GRX-315 Crystal showing full dimensions.
Ordering Information

To request a quotation for the GRX-315 please use the configurable options form to choose the options you require and then submit your configured product to our team. Our expert advisers are always happy to help with your requirements and can be contacted on +44 1460 256 100 or at sales@golledge.com.

Following product selection you will be issued with a seven character Golledge part number. Your Golledge part number is the internationally accepted Golledge manufacturing part number (MPN) that should be used for all project documentation, including bills of materials (BoMs) and purchase orders.

If you have any queries regarding any of our documentation our dedicated sales team will be happy to help.

  • Vehicle telematics
  • Connected car
  • Remote keyless entry (RKE)
  • Audio (DAB/Bluetooth)
  • Camera
Soldering Profile
Solder reflow profile for the GTXO-C77V
Tape & Reel Specification
Tape and Reel specifications
Handling & Storage

ESD-HBM-1A Human Body Model (HBM) 1A (250V to <500V)

MSL1 Moisture Sensitivity Level (MSL): 1 (or not applicable)

  • Ceramic body with gold-plated pads
  • Metal lid, seam sealed

PbFree Lead-free (< 0.1% by weight )

RoHS compliant with no exemptions RoHS compliant with no exemptions. See our declaration

REACH REACH compliant. See our statement

Conflict Minerals Statement Free of conflict minerals. See our declaration

Halogen Free Statement Free of Halogens. See our declaration

Ozone Depletion Statement Free of Ozone-depleting substances. See our declaration



Automotive Crystals and AEC-Q200 Qualified Components


Automotive projects provide a challenge for designers and often require components with stringent AEC-Q200 qualification. Discover our range of components developed specifically for automotive projects here and find what you need for your next project.