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Crystal Part Numbering Guide
1105 South Ridgeview Road z Olathe, KS 66062 z Phone: 913.782.7787 z Fax: 913.782.6991 z www.ecsxtal.com
Example: P/N ECS-160-20-5PX (Std P/N)
P/N ECS-160-20-5PX-ADN (Custom P/N)
Custom/Value Added Options
* Discontinued
** Please consult ECS for available Temp Range options of tight stability crystals.
Note 1: Crystals over 24.000 MHz will be 3rd overtone (if available on data sheet) unless fundamental
mode is requested. An "F" suffix after the package type indicates a fundamental mode i.e. ECS-300-S-1-F
would be a 30.000 MHz Fundamental mode crystal.
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ECS 160 20 5P AX D
Frequency
Abbreviation
160=16.000 MHz
(See page 2 for list of
std frequencies)
Load
Capacitance
20=20 pF
S=Series
Packaging
TR=Tape
& Reel
Frequency
Tolerance
@ +25° (Max)
Blank =Std
A =±25 ppm
J = ±20 ppm
R =±15 ppm
C =±10 ppm
Operating Temperature
Blank =Std
L = -10 ~+70°C
M = -20 ~+70°C
N = -40 ~ +85°C
P = -40 ~ +105°C
S = -40 ~ +125°C
U = -55 ~ +125°C
Frequency
Stability (Max)
Over Temp (
**)
Blank =Std
D =±100 ppm
E =±50 ppm
G =±30 ppm
H =±25 ppm
T =±20 ppm
W =±15 ppm
K =±10 ppm
Options
Blank = Std
3IL=3rd In
Line Lead
SL=Sleeved
B=Insulator
3L=3rd Lead
F=Fund (Note 1)
X=Pb Free/RoHS
ECS INC.
N TR
(Package Suffix) Model Types
(4X) HC-49USX 3.5H
(3X) CSM-3X
(4LX) HC-49USX 2.5H
(1X) HC-49UX
(4VX) HC-49USSX
(5PX) CSM-7X 4.3H
(5PLX) CSM-7X 3.2H
(5PV) CSM-7SSX 2.6H
(5G3X) CSM-7X-3L
(6) ECX-206*
(24) ECX-3TA* (7SX) ECX-3SX
(8X) ECS-3x8X
(9X) ECS-3x9X
(10X) ECS-3x10X
(11) ECX-205*
(12) ECX-12
(13X) ECS-2x6X
(13FLX) ECS-2x6-FLX
(14X) ECS-1x5X
(16) ECX-16
(17X) ECX-306X
(18) CSM-12
(19A) ECX-19A
(20A) CSM-8A
(20BQ) CSM-8Q
(20BM) CSM-8M
(21) UM-5
(25) UM-4
(28AX) CSM-4A
(28ALX) CSM-4ALX
(30) ECX-53
(30B) ECX-53B
(33) ECX-32
(33Q) ECX-33Q
(30BQ) ECX-53BQ
(34B) ECX-31B
(34S) ECX-34S
(34Q) ECX-34Q
(35) CSM-9
(36) ECX-2236
(36Q) ECX-2236Q
(37) ECX-1637
(37Q) ECX-1637Q
(38) ECX-71
(39) ECX-39
(42) ECX-42
(46X) HC-46X
(47) ECX-1247
(47Q) ECX-1247Q
(22) UM-1
(22SMJ)ECX-UM-1
(23A) ECX-64A
(23B) ECX-64
(23C) ECX-64C
