2-pad 3.3x1.6mm crystal


Low Profile SM 32.768Khz Watch Crystal with Military Temperature Range

  • Ultra low profile (0.35mm)
  • Miniature ceramic package with metal lid
  • High shock & vibration resistance
  • Low power consumption
Configurable Options
ParameterOption Code
Operating temperature range
Circuit condition
Quantity / Special Request

Please specify the quantity you require below.

The CM7V03-T1A is supplied on tape and reel. 1k, 3k or 14k pcs per reel are the standard T&R pack sizes for this product. Partial quantities may be supplied on tape (no reel), or in bulk.

Product Description

The CM7V03-T1A surface mount watch crystal is ideal for military and automotive projects and offers high shock and vibration resistance within a miniature ceramic package with metal lid. 

The CM7V-T1A can be configured to your choice of a range of specifications, including operating temperature range, circuit condition and calibration tolerance. This 32.768kHz crystal has low power consumption as standard and features miniature 3.2 x 1.5 x 0.35mm footprint package.

Optional automotive and military operating temperature ranges and ultra-low-profile of just 0.35mm, mean this 32.768kHz crystal is suitable for a wide range of applications, including extremely close board stacking.

Frequency 32.768kHz
Dimensions 3.2 x 1.5 x 0.35mm
Calibration tolerance ±20ppm
Operating temperature range -40 to +85°C
Storage temperature range -55 to +125°C
Static capacitance (C0) 1.4pF typ
Motional capacitance (C1) 3.5fF typ
Equivalent series resistance 55kΩ typ, 80kΩ max @ 25°C
Ageing ±3ppm max first year
Drive level 0.5µW max
Turnover temperature (T0) +25°C ±5°C
Frequency / temp coefficient -0.035ppm/°C2 ±10%
Shock resistance ±5ppm, 5,000g, 0.3ms, ½ sine
Vibration resistance ±5ppm, 20g, 10.0 ~ 2,000Hz
Terminations Gold plated pads
Soldering condition Reflow, 260°C, 20 sec max
Package Drawing
Package footprint and pad configuration drawing for the Golledge CC7 Crystals showing full dimensions.
Ordering Information

To request a quotation for the CM7V03-T1A 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.

Tape & Reel Specification
Tape and Reel specifications

A:178* B:12 C:3.5 D:1.8 E:4 F:1.1 G:80 H:21
*Larger reel size available. Please ask for details

Handling & Storage

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

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


Ceramic base with metal lid


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

Other Information

The CM7V03-T1A was previously named CM7V04-T1A.