HC49USM-FF3F18-20.0000 datasheet, PDF

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HC49USM-FF3F18-20.0000: DescriptionCrystal 20MHz ±30ppm (Tol) ±30ppm (Stability) 18pF FUND 30Ohm 2-Pin HC-49/USM SMD; File Size313KB，2 Pages; ManufacturerILSI; Websitehttp://www.ilsiamerica.com

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HC49USM-FF3F18-20.0000 Overview

Crystal 20MHz ±30ppm (Tol) ±30ppm (Stability) 18pF FUND 30Ohm 2-Pin HC-49/USM SMD

HC49USM-FF3F18-20.0000 Parametric

Parameter Name	Attribute value
EU restricts the use of certain hazardous substances	Compliant
ECCN (US)	EAR99
Part Status	Unconfirmed
HTS	8541.60.00.80
Type	Crystal
Standard Frequency (MHz)	20
Frequency Tolerance (ppm)	±30
Frequency Stability (ppm)	±30
Frequency Aging (ppm/Year)	±5
Load Capacitance (pF)	18
Series Resistance (Ohm)	30
Mode of Oscillation	Fundamental
Minimum Operating Temperature (°C)	-20
Maximum Operating Temperature (°C)	70
Supplier Package	HC-49/USM SMD
Pin Count	2
Mounting	Surface Mount
Package Height	4.5(Max)
Package Length	11.4
Package Width	4.73
PCB changed	2

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HC49USM Series

Product Feature:

Low Cost SMD Package

Low ESR

Compatible with Leadfree

Processing

Applications:

Fibre Channel

Server & Storage

Sonet /SDH

802.11 / Wifi

T1/E1.T3/E3

System Clock

Frequency

ESR (Equivalent Series

Resistance)

3.2 MHz - 3.49 MHz

3.5 MHz - 3.99 MHz

4.0 MHz - 4.99 MHz

5.0 MHz - 5.99 MHz

6.0 MHz - 6.99 MHz

7.0 MHz - 8.9 MHz

9.0 MHz - 12.9 MHz

13 MHz- 19.9 MHz

20 MHz - 36 MHz

36 MHz – 100.0 MHz (3rd O.T.)

Shunt Capacitance (C0)

3.2 MHz to 100 MHz

300

Ω

Max.

200

Ω

Max.

150

Ω

Max.

120

Ω

Max.

100

Ω

Max.

Ω

Max.

Ω

Max.

Ω

Max.

Ω

Max.

100

Ω

Max.

7 pF Max.

Frequency Tolerance @ 25° C

±30 ppm Standard

(see Part Number Guide for more options)

Frequency Stability over

Temperature

Crystal Cut

Load Capacitance

Drive Level

Aging

Temperature

Operating

Storage

0° C to +70° C Standard

(see Part Number Guide for more options)

-40° C to +85° C Standard

Dimension Units: mm

±50 ppm Standard

(see Part Number Guide for more options)

AT Cut

18 pF Standard

(see Part Number Guide for more options)

1 mW Max.

±5 ppm Max. / Year Standard

Part Number Guide

Package

Tolerance

(ppm) at Room

Temperature

B = ±50ppm

F = ±30ppm

G = ±25ppm

H = ±20ppm

I = ±15ppm

J = ±10ppm*

HC49USM-

(4.5 mm H)

HC49USM2-

(3.5 mm H)

HC49USM3-

(3.1 mm H)-

Sample Part Number:

HC49USM - FB1F18 - 20.000

Stability

Operating

Mode

Load

(ppm) over Operating

Temperature Range

(overtone)

Capacitance

Temperature

(pF)

A = ±100ppm

B = ±50ppm

0 = 0°C to +50°C

F = Fundamental

F = ±30ppm

1 = 0°C to +70°C

3 = Third Overtone

18pF Standard

G = ±25ppm

2 = -10°C to +60°C

Or Specify

H = ±20ppm

3 = -20°C to +70°C

I = ±15ppm

5 = -40°C to +85°C

J = ±10ppm

9 = -10°C to +50°C

Frequency

-20.000 MHz

* Not available at all frequencies.

Revised B: 09/20

Page 2 of 6

www.ilsiamerica.com

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