ECS-250-20-28AX-WM-TR datasheet, PDF

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ECS-250-20-28AX-WM-TR: DescriptionParallel - Fundamental Quartz Crystal,; CategoryPassive components Crystal/resonator; File Size578KB，2 Pages; ManufacturerECS; Websitehttp://www.ecsxtal.com/; Environmental Compliance

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ECS-250-20-28AX-WM-TR Overview

Parallel - Fundamental Quartz Crystal,

ECS-250-20-28AX-WM-TR Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Objectid	7203322938
package instruction	SMD, 4 PIN
Reach Compliance Code	compliant
YTEOL	6.45
Other features	TR, 12 INCH
Ageing	5 PPM/FIRST YEAR
Crystal/Resonator Type	PARALLEL - FUNDAMENTAL
Drive level	500 µW
frequency stability	0.0015%
frequency tolerance	30 ppm
JESD-609 code	e4
load capacitance	20 pF
Installation features	SURFACE MOUNT
Nominal operating frequency	25 MHz
Maximum operating temperature	70 °C
Minimum operating temperature	-20 °C
physical size	L12.5XB4.85XH5.0 (mm)/L0.492XB0.191XH0.197 (inch)
Series resistance	30 Ω
surface mount	YES
Terminal surface	Silver (Ag)

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CSM-4AX

SMD 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.

Request a Sample

CSM-4AX SMD CRYSTAL

OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS

PARAMETERS

Frequency

Mode of Oscillation

Frequency Tolerance*

Frequency Stability*

Shunt Capacitance

Load Capacitance

Drive Level

Operating Temperature*

Storage Temperature

Aging (First Year)

Fundamental

@ +25°C

-10 ~ +70°C

CONDITIONS

MIN

CSM-4AX

TYP

MAX

UNITS

30.000

± 30

± 50

MHz

ppm

μW

°C

ppm

3.57

Specify in P/N

opr

stg

@ +25°C ±3°C

Frequency (MHz)

3.57 ~ 4.999

5.000 ~ 5.999

6.000 ~ 6.999

7.000 ~ 8.999

9.000 ~ 12.999

13.000 ~ 19.999

20.000 ~ 30.000

-10

-55



Cost Effective

Low Profile

Industry Standard Footprint

Pb Free/RoHS Compliant

Series

500

+70

+125

±5

DIMENSIONS (mm)

ESR Ω Max.

200

150

100

Figure 1)

Top, Side, and End

Figure 2)

Suggested land

pattern

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

ECS - FREQUENCY ABBREVIATION

LOAD

CAPACITANCE

20 = 20 pF

S = Series

PACKAGE

Tolerance

28AX = 5.0 mm

28ALX = 4.0 mm

Blank = Std

A = ± 25

ppm

J = ± 20

ppm

R = ± 15

ppm

C = ± 10

ppm

AVAILABLE OPTIONS

Stability

Blank= Std

D= ±100 ppm

E = ± 50 ppm

G = ± 30 ppm

H = ± 25 ppm

T = ± 20 ppm †

W = ±15 ppm †

K = ± 10 ppm †

PACKAGING

Temp Range

Blank= Std

L = -10 ~ +70°C

M = -20 ~ +70°C

Y = -30 ~ +85°C

N = -40 ~ +85°C

P = -40 ~ +105°C

S = -40 ~ +125°C

U = -55 ~ +125°C

TR =

Tape

& Reel

1K/Reel

ECS

200 = 20.000 MHz

See P/N Guide

* Specify available options in P/N.

† Contact ECS for availability over extended temp range.

Rev.2017

15351 West 109

Street

Lenexa, KS 66219

Phone: 913.782.7787

Fax: 913.782.6991

www.ecsxtal.com

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