Joyous Crystal

Z38 Series Cylindrical Crystal Units


Electrical Specifications

Parameter Specification
Frequency Range 3.579545MHz to 70.000MHz
Frequency Tolerance/Stability

±30ppm at 25°C / ±50ppm Over Operating Temperature
±50ppm at 25°C / ±100ppm Over Operating Temperature

Drive Level

1mWatt Maximum

Load Capacitance 12pf to 50pF or Series
Shunt Capacitance 7pF Maximum
Operating Temperature Range

0°C to +70°C

Mode of Operation

Fundamental from 3.579545MHz to 30MHz
Third Overtone from 30MHz to 70MHz

Aging at 25°C ±5ppm / year Maximum
Insulation Resistance 500 Megaohms Minimum at 100VDC
Storage Temperature -40°C to +85°C

Equivalent Series Resistance

Frequency
(MHz)

Maximum ESR
(Ohms)
Mode of Operation
9.8304 - 15.999 60 Fundamental
16.000 - 41.000 40 Fundamental
28.000 - 34.999 100 Third Overtone
35.000 - 70.000 60 Third Overtone

Mechanical Dimensions

14 Pin DIP Oscillator

All Dimensions in Millimeters


Part Numbering Guide

Z38 1 A 20 C - 20.000 M
              Frequency Unit of Measure
M = MHz
Frequency
Entire Frequency with Decimal
Frequency Prefix
Frequency Tolerance / Stability
B = ±30ppm / ±50ppm
C = ±50ppm / ±100ppm
Load Capacitance
XX = XXpF
SR = Series
Operating Temperature Range
A = 0°C to +70°C
Mode of Operation
1 = Fundamental
3 = Third Overtone
Series
Z38 = 3.1mm x 9.14mm Cylindrical

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