Joyous Crystal

ZPSM Series Plastic Surface Mount Crystal Units


Electrical Specifications

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

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

Drive Level

0.5mWatt Maximum

Load Capacitance 20pF, 18pF or Series
Shunt Capacitance 7pF Maximum
Operating Temperature Range -20°C to +70°C
Mode of Operation

Fundamental from 3.579545MHz to 29.999MHz
Third Overtone from 30MHz to 70MHz


Equivalent Series Resistance

Frequency
(MHz)

Maximum ESR
(Ohms)
Mode of Operation
3.579545 - 4.999 200 Fundamental
5.000 - 5.999 130 Fundamental
6.000 - 8.999 100 Fundamental
9.000 - 12.999 70 Fundamental
13.000 - 19.999 60 Fundamental
20.000 - 29.999 50 Fundamental
30.000 - 70.000 100 Third Overtone

Mechanical Dimensions

14 Pin DIP Oscillator

All Dimensions in Millimeters


Pad Connection
1 Crystal
2 Ground / Case Ground
3 Ground / Case Ground
4 Crystal

Part Numbering Guide

ZPSM 1 A 20 C - 20.000 M TR
                Packaging Options
Blank = Bulk
TR = Tape & Reel
Frequency Unit of Measure
M = MHz
Frequency
Entire Frequency with Decimal
Frequency Prefix
Frequency Tolerance / Stability
C = ±50ppm / ±100ppm
Load Capacitance
20 = 20pF
18 = 18pF
SR = Series
Operating Temperature Range
A = -20°C to +70°C
Mode of Operation
1 = Fundamental
3 = Third Overtone
Series
ZPSM = Plastic Surface Mount

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