Joyous Crystal

Z49U Series Microprocessor Crystal Units


Electrical Specifications

Parameter Specification
Frequency Range 1.000MHz to 60.000MHz
Frequency Tolerance/Stability

±15ppm at 25°C / ±30ppm Over Operating Temperature
±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 or -20°C to +70°C
Mode of Operation

Fundamental from 1MHz to 24.999MHz
Third Overtone from 25MHz to 60MHz

Crystal Cut Angle AT Cut

Equivalent Series Resistance

Frequency
(MHz)

Maximum ESR
(Ohms)
Mode of Operation
1.000 - 1.799 2000 Fundamental
1.800 - 1.999 650 Fundamental
2.000 - 2.399 550 Fundamental
2.400 - 2.999 350 Fundamental
3.000 - 3.199 270 Fundamental
3.200 - 3.499 220 Fundamental
3.500 - 3.899 180 Fundamental
3.900 - 4.099 120 Fundamental
4.100 - 5.999 80 Fundamental
6.000 - 7.999 50 Fundamental
8.000 - 12.999 35 Fundamental
13.000 - 24.999 25 Fundamental
25.000 - 29.999 80 Third Overtone
30.000 - 60.000 50 Third Overtone

Mechanical Dimensions

14 Pin DIP Oscillator

All Dimensions in Millimeters


Part Numbering Guide

Z49U 1 A 18 C - 20.000 M - CL100
                  Value Added Options
CL100 = Cut Leads to 2.540mm
CL125 = Cut Leads to 3.175mm
CL150 = Cut Leads to 3.810mm
CL175 = Cut Leads to 4.445mm
CL200 = Cut Leads to 5.080mm
CL225 = Cut Leads to 5.715mm
CL250 = Cut Leads to 6.350mm
CL275 = Cut Leads to 6.985mm
CL300 = Cut Leads to 5.715mm
CL325 = Cut Leads to 8.255mm
CL350 = Cut Leads to 8.890mm
CL375 = Cut Leads to 9.525mm
CL400 = Cut Leads to 10.160mm
I = Insulator Tab
Value Added Options Prefix
M = MHz
Frequency Unit of Measure
M = MHz
Frequency
Entire Frequency with Decimal
Frequency Prefix
Frequency Tolerance / Stability
A = ±15ppm / ±30ppm
B = ±30ppm / ±50ppm
C = ±50ppm / ±100ppm
Load Capacitance
XX = XXpF
SR = Series
Operating Temperature Range
A = 0°C to +70°C
B = -20°C to +70°C
Mode of Operation
1 = Fundamental
3 = Third Overtone
Series
Z49U = HC-49/U

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