425F11A019M9990 [CTS]

Parallel - Fundamental Quartz Crystal, 19.999MHz Nom, GREEN COMPLIANT, CERAMIC, METAL, 4 PIN;


型号：	425F11A019M9990
厂家：	CTS
描述：	Parallel - Fundamental Quartz Crystal, 19.999MHz Nom, GREEN COMPLIANT, CERAMIC, METAL, 4 PIN
文件：	总3页 (文件大小：227K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

Model 425

Surface Mount Quartz Crystal

FEATURES

• Standard 2.5x2.0mm Surface Mount Footprint

• Stable Frequency Over Temperature and

Drive Level

• Fundamental Crystal Design

• Frequency Range 16 – 54 MHz

• Frequency Tolerance, ±30 ppm Standard

(±10 ppm, ±15 ppm and ±20 ppm available)

• Frequency Stability, ±50 ppm Standard

(±10,±15,±20,±30 and ±40 ppm available)

• Operating Temperature to –40°C to +85°C

• Tape & Reel Packaging, EIA-481-2 Compliant

• RoHS/Green Compliant (6/6)

DESCRIPTION

The Model 425 is a ceramic packaged Crystal

offering reduced size, ideal for high-density

circuit board applications. The Model 425 offers

reliable precision and excellent shock

performance in wireless telecommunication

devices.

ORDERING INFORMATION

425

FREQUENCY IN MHz

MODE OF OSCILLATION

F = Fundamental

M - indicates MHz and decimal point.

Frequency is recorded with minimum 4

significant digits to the right of the "M".

FREQUENCY TOLERANCE @ 25°C

LOAD CAPACITANCE

1 = ± 10 ppm

X = ± 15 ppm

2 = ± 20 ppm

3 = ± 30 ppm (standard)

A = 10 pF

B = 13 pF

C = 16 pF

D = 18 pF

E = 20 pF

F = 24 pF

G = 30 pF

H = 32 pF

J = 9 pF

K = 8 pF

L = 12 pF

S = Series

STABILITY TOLERANCE/TEMPERATURE RANGE

Over Operating Temperature Range

(Referenced to 25°C Reading)

1 = ± 10 ppm, -20°C to +70°C

X = ± 15 ppm, -20°C to +70°C

2 = ± 20 ppm, -20°C to +70°C

3 = ± 30 ppm, -20°C to +70°C

4 = ± 40 ppm, -20°C to +70°C

5 = ± 50 ppm, -20°C to +70°C (standard)

6 = ± 20 ppm, -40°C to +85°C

7 = ± 30 ppm, -40°C to +85°C

8 = ± 40 ppm, -40°C to +85°C

9 = ± 50 ppm, -40°C to +85°C

Example Part Numbers:

425F35E014M3181

425FX9A050M0000

Custom performance characteristics are available upon request.

Use form C052 to detail non-standard parameters.

Not all performance combinations and frequencies may be available.

Contact your local CTS Representative or CTS Customer Service for availability.

Document No. 008-0332-0

Page 1 - 3

Rev. B

CTS Electronic Components, Inc.

171 Covington Drive

Bloomingdale, IL 60108

www.ctscorp.com

Model 425

2.5x2.0mm Low Cost

Surface Mount Crystal

ELECTRICAL CHARACTERISTICS

PARAMETER

Operating Mode

Crystal Cut

VALUE

Fundamental

AT-Cut

Frequency Range

16.0 MHz to 54.0 MHz

± 30 ppm Standard

(± 10 ppm, ±15 ppm and ± 20 ppm Available)

Frequency Tolerance @ 25°C

Frequency Stability Tolerance

± 50 ppm Standard

(Operating Temperature Range, Referenced to 25°C Reading)

(± 10 ppm, ±15 ppm, ± 20 ppm, ± 30 ppm and ± 40 ppm Available)

-20°C to +70°C Standard

(-40°C to +85°C Available)

Operating Temperature Range

Storage Temperature Range

Equivalent Series Resistance

Load Capacitance or Resonance Mode

Shunt Capacitance (C₀)

Drive Level

-40°C to +85°C

See ESR Table

See Ordering Information

5.0 pF Maximum

10 µW Typical, 100 µW Maximum

± 3 ppm/year maximum

+255°C ± 5°C, 10 Seconds Maximum

Aging @ 25°C

Reflow Condition, per JEDEC J-STD-020

EQUIVALENT SERIES RESISTANCE TABLE

FREQUENCY RANGE

16.00 MHz - 19.999 MHz

20.00 MHz - 29.999 MHz

30.00 MHz - 39.999 MHz

40.00 MHz - 54.000 MHz

MODE of OSCILLATION ESR Maximum

Fundamental

100 Ohms

80 Ohms

60 Ohms

MECHANICAL SPECIFICATIONS

PACKAGE DRAWING

( 2.50 ±0.10 )

MARKING INFORMATION

0.098 ±0.004

1. XX.XX – Frequency in MHz.

Top View

2. C – CTS and Pin 1 identifier.

3. ** – Manufacturing Site Code.

4. D – Manufactured Date Code. See Table I for

codes.

( 2.00 ±0.10 )

XX.XX

0.079 ±0.004

5. Complete CTS part number, frequency value and

date code information must appear on reel and

box labels.

C**D

( 0.65 )

MAX

0.026

SUGGESTED SOLDER PAD GEOMETRY

( 0.725 )

0.029

( 0.675 )

0.027

0.039 [1.00]

0.035 [0.90]

( 0.700 )

0.028

Bottom View

0.061 [1.55]

( MM )

Inch

Key:

( 1.625 )

0.064

Notes:

[mm]

Key:

1. Termination pads (e4), barrier-plating is nickel (Ni) with gold (Au) flash plate.

2. Terminations #2, #4 and the metal lid are connected internally.

End user may connect these pins to circuit ground.

0.073 [1.85]

Inch

Document No. 008-0332-0

Page 2 - 3

Rev. B

CTS Electronic Components, Inc.

171 Covington Drive

Bloomingdale, IL 60108

Model 425

2.5x2.0mm Low Cost

Surface Mount Crystal

TABLE I

MONTH

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

YEAR

2001

2002

2003

2004

2005

2006

2007

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

2018

2019

2020

TAPE AND REEL INFORMATION

DIMENSIONS IN MILLIMETERS

11.50

1.75

Ø1 3

Ø1 . 5 5

4.00

1.75

1.55

120°

8.00

2.70

Ø178

Ø6 0

2.25

DIRECTION OF FEED

Ø2 3

Device quantity is 3,000 pieces mimimum per 178mm reel.

ENVIRONMENTAL SPECIFICATIONS

Temperature Cycle:

Mechanical Shock:

Sinusoidal Vibration:

400 cycles from –55°C to +125°C, 10 minute dwell at each temperature, 1 minute transfer time

between temperatures.

1,500g’s, 0.5mS duration, ½ sinewave, 3 shocks each direction along 3 mutually perpendicular

planes (18 total shocks).

0.06 inches double amplitude, 10 to 55 Hz and 20g’s, 55 to 2,000 Hz, 3 cycles each in 3 mutually

perpendicular planes (9 times total).

Gross Leak:

No leak shall appear while immersed in an FC40 or equivalent liquid at +125°C for 20 seconds.

Mass spectrometer leak rates less than 2x10^-8ATM cc/sec air equivalent.

Product must survive 3 reflows of +260°C peak, 10 seconds maximum.

2,000 hours at +125°C, disregarding frequency shift.

1,000 hours at +85°C, maximum ±5 ppm shift.

Fine Leak:

Resistance to Solder Heat:

High Temperature Operating Bias:

Frequency Aging:

Insulation Resistance:

Moisture Sensitivity Level:

500M Ohms @ 100V_DC±15V_DC.

Level 1 per JEDEC J-STD-020.

Document No. 008-0332-0

Page 3 - 3

Rev. B

CTS Electronic Components, Inc.

171 Covington Drive

Bloomingdale, IL 60108

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