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HC49US

2 Lead Metal Package Quartz Crystal, 4.7 mm x 11 mm

ILSI America LLC 

2 Lead Metal Package Quartz Crystal, 4.7 mm x 11 mm

Product Features:

Low Cost Package

RoHs Compliant

Compatible with Leadfree Processing

Applications:

Fibre Channel

Server & Storage

Sonet /SDH

802.11 / Wifi

T1/E1, T3/E3

Frequency

3.2 MHz to 100.000 MHz

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

27 MHz – 100 MHz (3rd O.T.)

Shunt Capacitance (C0)

Frequency Tolerance @ 25° C

Frequency Stability over

Temperature

Crystal Cut

Load Capacitance

Drive Level

Aging

Temperature

Operating

Storage

300 Ω Max.

200 Ω Max.

150 Ω Max.

120 Ω Max.

100 Ω Max.

80 Ω Max.

60 Ω Max.

40 Ω Max.

30 Ω Max.

100 Ω Max.

7 pF Max.

±30 ppm Standard (see Part Number Guide for more options)

±50 ppm Standard (see Part Number Guide for more options)

AT Cut Standard

18 pF Standard (see Part Number Guide for more options)

1 mW Max.

±5 ppm Max. / Year Standard

0° C to +70° C Standard (see Part Number Guide for more

options)

-40° C to +85° C Standard

HC49US Series

H Max.

12 Min.

4.88

±0.2

11.1 Max.

4.7 Max.

0.43

±0.03

HC49US, H Max. = 3.5

HC49US2, H Max. = 2.5

HC49US3, H Max. = 2.0

Dimension Units: mm

Part Number Guide

Sample Part Number:

HC49US - FB1F18 - 20.000

Package

Tolerance

(ppm) at Room

Temperature

Stability

(ppm) over Operating

Temperature

Operating

Temperature Range

Mode

(overtone)

Load Capacitance

(pF)

HC49US -

(3.5 mm H)

HC49US2 -

(2.5 mm H)

HC49US3 -

(2.0 mm H)

B = ±50 ppm

F = ±30 ppm

G = ±25 ppm

H = ±20 ppm

I = ±15 ppm

J = ±10 ppm*

B = ±50 ppm

F = ±30 ppm

G = ±25 ppm

H = ±20 ppm

I = ±15 ppm**

J = ±10 ppm**

0 = 0°C to +50°C

1 = 0°C to +70°C

2 = -10°C to +60°C

3 = -20°C to +70°C

5 = -40°C to +85°C

9 = -10°C to +50°C

F = Fundamental

3 = 3rd overtone

18 pF Standard

Or Specify

* Not available at all frequencies. ** Not available for all temperature ranges.

Frequency

- 20.000 MHz

06/09_A

ILSI America Phone: 775-851-8880 • Fax: 775-851-8882• e-mail: e-mail@ilsiamerica.com • www.ilsiamerica.com

Specifications subject to change without notice

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