ECS-270-20-28ALX-ATS-TR datasheet, PDF

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ECS-270-20-28ALX-ATS-TR: DescriptionParallel - 3Rd Overtone Quartz Crystal,; CategoryPassive components Crystal/resonator; File Size790KB，1 Pages; ManufacturerECS; Websitehttp://www.ecsxtal.com/; Environmental Compliance

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ECS-270-20-28ALX-ATS-TR Overview

Parallel - 3Rd Overtone Quartz Crystal,

ECS-270-20-28ALX-ATS-TR Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Objectid	7071724704
package instruction	SMD, 4 PIN
Reach Compliance Code	compliant
Country Of Origin	Taiwan
YTEOL	6.35
Other features	TR
Ageing	5 PPM/YEAR
Crystal/Resonator Type	PARALLEL - 3RD OVERTONE
Drive level	500 µW
frequency stability	0.002%
frequency tolerance	25 ppm
JESD-609 code	e4
load capacitance	20 pF
Installation features	SURFACE MOUNT
Nominal operating frequency	27 MHz
Maximum operating temperature	125 °C
Minimum operating temperature	-40 °C
physical size	L12.5XB4.85XH4.0 (mm)/L0.492XB0.191XH0.157 (inch)
Series resistance	100 Ω
surface mount	YES
Terminal surface	Silver (Ag)

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Cost effective

Low profile

Industry Standard Footprint

Pb Free/RoHS Compliant

MSL 1

CSM-4AX

SMD Quartz Crystal

The CSM-4AX is an excellent choice for a low cost SMD

crystal. The CSM-4AX (28AX) has a case height of 5.0 mm

Max. in a resistance weld metal package. Lower profile package

height of 4.0 mm Max. is available with the (28ALX) package.

OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS

PARAMETERS

Frequency Range

Frequency Tolerance

Frequency Stability

Shunt Capacitance

Load Capacitance (CL)

Drive Level

Operating Temperature

Storage Temperature

Aging (Per Year)

CONDITIONS

at +25°C

Standard -10 to +70°C

Specify in P/N

CSM-4AX

MIN

3.57

TYP

MAX

70.00

± 30

± 50

Series

500

+70

+125

±5

UNITS

MHz

ppm

µW

°C

ppm

-10

-55

@ +25°C ±3°C

EQUIVALENT SERIES RESISTANCE/MODE OF OSCILLATION

FREQUENCY RANGE

(MHz)

MODE OF OSC MAX ESR

Ω

FREQUENCY RANGE

(MHz)

MODE OF OSC MAX ESR

Ω

3.57 ~ 4.999

Fundamental

200

9.000 ~ 12.999

Fundamental

5.000 ~ 5.999

Fundamental

150

13.000 ~ 19.999

Fundamental

6.000 ~ 6.999

Fundamental

100

20.000 ~ 30.000

Fundamental

7.000 ~ 8.999

Fundamental

27.000 ~ 80.000

3rd Overtone

100

PACKAGE DIMENSIONS (mm)

Height "H" MAX

-28AX

-28ALX

-5.0 mm

-4.0 mm

Figure 2) Crystal Connectrions

Figure 1) Top, Side, Bottom and End

views

Figure 3) Land Pattern

PART NUMBERING GUIDE: Example ECS-200-20-28AX-TR

ECS - Frequency Abbreviation - Load Capacitance

200 = 20.000 MHz

See P/N Guide

20 =20 pF

S=Series

- Package

28AX = 5.0 mm

28ALX= 4.0 mm

Custom Options

Tolerance

A= ± 25 ppm

J= ± 20 ppm

R= ± 15 ppm

C= ± 10 ppm

*Stability

D= ± 100 ppm

E= ± 50 ppm

G= ± 30 ppm

H= ± 25 ppm

T= ± 20 ppm

W= ± 15 ppm

K= ± 10 ppm

Temperature

M= -20 ~ +70°C

N= -40 ~ +85°C

P= -40 ~ +105°C

S= -40 ~ +125°C

U= -55 ~ +125°C

Packaging

TR= Tape

& Reel

1K/Reel

1105 South Ridgeview Road

Olathe, KS 66062

Phone: 913.782.7787

Fax: 913.782.6991

www.ecsxtal.com

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