Monolithic Crystal Filters

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

ECM 45.0MHz Series

§ Fundamental Mode

§ Small Size

§ Cost Effective Design

§ Surface Mount Options

§ Custom Options

Type

Centre

Frequency

Ripple

(max)

Number

Of Poles

Passband

Width

Termination

Impedance

Case Style

Fundamental

F45M08B1

45.0MHz

1.0dB

4

3dB +/-3.75kHz

330

Ω//7pF

UM-1 x 2

F45M10B1

45.0MHz

1.0dB

4

3dB +/-5.00kHz

390

Ω//4pF

UM-1 x 2

F45M12B1

45.0MHz

1.0dB

4

3dB +/-6.00kHz

390

Ω//4pF

UM-1 x 2

F45M13B1

45.0MHz

1.0dB

4

3dB +/-6.50kHz

390

Ω//4pF

UM-1 x 2

F45M15A1

45.0MHz

0.5dB

2

3dB +/-7.50kHz

470

Ω//6pF

UM-1

F45M15B1

45.0MHz

1.0dB

4

3dB +/-7.50kHz

470

Ω//3pF

UM-1 x 2

F45M15C1

45.0MHz

2.0dB

6

6dB +/-7.50kHz

470

Ω//3pF

M-107

F45M18A1

45.0MHz

0.5dB

2

3dB +/-9.00kHz

470

Ω//6pF

UM-1

F45M18B1

45.0MHz

1.0dB

4

3dB +/-9.00kHz

500

Ω//3pF

UM-1 x 2

F45M35B1

45.0MHz

1.0dB

4

3dB +/-17.5kHz

1000

Ω//1pF

UM-1 x 2

F45M20A1

45.0MHz

0.5dB

2

3dB +/-10.0kHz

560

Ω//5pF

UM-1

F45M20B1

45.0MHz

1.0dB

4

3dB +/-10.0kHz

560

Ω//2pF

UM-1 x 2

MF45MB2

45.0MHz

1.5dB

2

3dB +/-3.75kHz

330

Ω//6.5pF

TR-6 x 2

MF45R2

45.0MHz

0.5dB

1

3dB +/-7.50kHz

560

Ω//6pF

TR6

MF45RB2

45.0MHz

1.0dB

2

3dB +/-7.50kHz

560

Ω//2.5pF

TR-6 x 2

MF45RBB

45.0MHz

1.0dB

2

3dB +/-7.50kHz

800

Ω//1.7pF

TR-6 x 2

MF45SBA

45.0MHz

1.0dB

2

3dB +/-10.0kHz

730

Ω//2pF

TR-6 x 2

MF45U9

45.0MHz

1.0dB

1

3dB +/-15.0kHz

1200

Ω//0

TR-6

Overtone Series

F45M15A

45.0MHz

0.5dB

2

3dB +/-7.50kHz

3000

Ω//-1pF

HC49/U

F45M15AU

45.0MHz

1.0dB

2

3dB +/-7.50kHz

4000

Ω//-1pF

UM-1

F45M15BU

45.0MHz

1.0dB

4

3dB +/-7.50kHz

3500

Ω//-1pF

UM-1 x 2

F45M20A

45.0MHz

0.5dB

2

3dB +/-10.0kHz

3900

Ω//-1pF

HC49/U

MF49P

45.0MHz

1.0dB

1

3dB +/-5.00kHz

3300

Ω//-1pF

TR-1