C38

Crystal Series C38

Features:

Tuning Fork Watch Crystals
3mm x 8mm Cylindrical
Low Cost
32.768KHz Only

Electrical Specifications

Frequency Range32.768KHz
Frequency Tolerance/Stability±20ppm (-0.042ppm/(change in °C)2 Maximum, Parabolic; Turn over temperature at 25°C ±5°C)
Turnover Temperature Toblank
Operating Temperature Range-40°C to +85°C
Storage Temperature Range-40°C to +85°C
Aging±5ppm/year Maximum
Shunt Capacitance0.85pF Typical, 2pF Maximum
Load CapacitanceChoose from available options
Mode of Operation2.0fF Typical
Capacitance Ratioblank
Quality Factorblank
Equivalent Series Resistance35,000 Ohms Maximum
Mode of Operationblank
Drive Level1 µWatt Maximum
Insulation Resistance500 Megaohms Minimum at 100Vdc
Spurious Responseblank
Termination Finishblank

Equivalent Series Resistance Table

Frequency RangeESR(ohms)Mode / Cut
32.768KHz35,000 MaxWatch Crystal
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Mechanical Dimensions

Part Numbering Guide

Environmental Specifications

Fine Leak TestMIL-STD-883, Method 1014, Condition A
Gross Leak TestMIL-STD-883, Method 1014, Condition C
Mechanical ShockMIL-STD-883, Method 1004
FlammabilityUL94-V0
Moisture ResistanceMIL-STD-883, Method 1004
Moisture SensitivityJ-STD-020, MSL 1
Resistance to Soldering HeatMIL-STD-202, Method 210, Condition K
Resistance to SolventsMIL-STD-202, Method 215
Solderability MIL-STD-883, Method 2003
ESD SusceptibilityMIL-STD-883, Method 3015, Class 1, HBM: 1500V
Temperature CyclingMIL-STD-883, Method 1010, Condition B
VibrationMIL-STD-883, Method 2007, Condition A

Add Your Part Number to a Quote

Options for adding Part Numbers to your quote:

Option 1: You can create additional Part Numbers using the Part Number Constructor form. Once a Part Number is created, it can then be added to your quote request by clicking the “Add to Quote” button. You may use this form as many times as needed and each submission will be saved to your quote.

Option 2: If you already know your Part Numbers, you may add them using the Add to Quote by Part Number simplified form.

Part Number Constructor - Add to Quote by Selecting Features
Add to Quote by Part Number - Simplified Form

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