ECM Standard Crystal

ECM Electronics Limited, Penmaen House, Ashington, West Sussex, RH20 3JR, UK

Tel: +44(0)1903 892810: Fax: +44(0)1903 892738. Email: ecm@ecmelectronics.co.uk

Although we have attempted to accurately reflect the products we market. ECM reserve the right without prior notice to

discontinue any product or make design changes we believe necessary.

Issue 1

HC49/U Case

Dimensions in mm

Parameter

HC49/U – ECM11E

Frequency Range

1.8432MHz to 225.00MHz

Calibration Tolerance

@25

+/- 20ppm standard

other options available

Specify

Temperature

Tolerance

+/- 50ppm

other options available

Specify

Operating

Temperature

-10

other options available

Specify

Storage Temp

-55

Load Capacitance

10pf to

∞ or Series

Specify

ESR

20

Ω to 200Ω

Frequency Dependant

Shunt Capacitance

7.0pf max

Drive Level

1.0mW max

Ageing

+/-3ppm First year

+/-1ppm Available

Specify

§ In Depth Stock

§ Standard Frequencies

§ Fast Delivery

§ Competitive Prices For Volume Users

§ Custom Options Available

Environmental & Mechanical

Temperature

Cycle

MIL-STD-883C

Method 1010.7

Shock

MIL-STD-883C

Method 2002

Vibration

MIL-STD-883C

Method 2007.2

Humidity

JIS C 5021-22

Gross Leak

Test

MIL-STD-883C

Method 1014.9 Condition A

Standard Frequencies in MHz.

3.579545

8.192

18.432

3.6864

9.8304

19.6608

4.00

10.00

20.00

4.032

10.752

22.1184

4.096

11.0592

24.00014

4.194304

12.00

24.576

4.433619

12.288

28.224

4.9152

14.31818

29.4912

6.00

14.7456

32.00

6.144

15.36

32.768

7.3728

16.00

35.2512

7.68

16.384

40.32

8.00

16.9344

56.448

A

B

C

D

E

F

11.20

4.65

13.46

12.70

4.90

0.43