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SWS312 Series – 3.2MM X 1.5MM Ceramic SMD 2 Pad Watch Crystal

3D Product View

3D View


• ±10ppm/±10ppm Available
• Ultra-Miniature Package
• Glass Sealed
• AT-Cut Fundamental
• Tape and Reel


• Automotive Applications
• Wireless Applications
• High Density Applications

Part Number Builder

Please choose your parameters to build a part number:

Part Numbering Guide

Part Numbering Guide - SWS312

Electrical Parameters

Frequency RangekHz32.768
Frequency Tolerance at +25ºCppm-20+20See part numbering guide for options.
Frequency Stability vs. Agingppm-3+3First year @ +25ºC.
Frequency Coefficient (ß)ppm/T²-0.040-0.030-0.020
Operating Temperature°C-40+85See part numbering guide for options.
Turnover Temperature°C+20+25+30
Storage Temperature°C-55+125
Load CapacitancepF612.5See part numbering guide for options.
Shunt CapacitancepF1.4
Drive LevelμW1
Insulation Resistance500@ 100VDC ± 15V.
Equivalent Series Resistance70

Outline Drawing & Recommended Landed Pattern

All dimensions are in millimeters (mm) unless otherwise noted. Drawings are not to scale.
2D Drawings for SWS312