Monolithic Crystal Filters
ECM 70.0MHz
Small Size
Cost Effective Design
Surface Mount Available
Custom Options
Type
3
rd
Overtone
F70M7.5A
F70M7.5B
F70M12A
F70M12B
F70M15A
F70M15B
F70M20A
F70M20B
F70M30A
F70M30B
Centre
Frequency
70.0MHz
70.0MHz
70.0MHz
70.0MHz
70.0MHz
70.0MHz
70.0MHz
70.0MHz
70.0MHz
70.0MHz
Ripple
(max)
1.0dB
1.0dB
1.0dB
1.0dB
1.0dB
1.0dB
1.0dB
1.0dB
1.0dB
1.0dB
Number
Of Poles
2
4
2
4
2
4
2
4
2
4
Passband
Width
3dB +/-3.75kHz
3dB +/-3.75kHz
3dB +/-6.00kHz
3dB +/-6.00kHz
3dB +/-7.50kHz
3dB +/-7.50kHz
3dB +/-10kHz
3dB +/-10kHz
3dB +/-15kHz
3dB +/-15kHz
Termination
Impedance
2000鈩?/0pF
1800鈩?/0pF
2000鈩?/-0.4pF
2000鈩?/-0.2pF
2000鈩?/-0.9pF
2000鈩?/-0.4pF
2500鈩?/-0.1pF
2500鈩?/-0.8pF
4000鈩?/-0.7pF
4000鈩?/-0.8pF
Case Style
UM a ~ f
UM a ~ f
UM a ~ f
UM a ~ f
UM a ~ f
UM a ~ f
UM a ~ f
UM a ~ f
UM a ~ f
UM a ~ f
Code Case
A
UM a UM-1
8.0
UM b UM-1S 8.0
UM c UM-5
8.0
UM d UM-5S 8.0
UM e UM-4
8.0
UM f
UM-4S 8.0
Dimensions in mm
B
3.0
2.5
3.0
2.5
3.0
2.5
C
8.0
8.0
6.0
6.0
4.5
4.5
D
20.0
20.0
20.0
20.0
20.0
20.0
E
3.75
3.75
3.75
3.75
3.75
3.75
F
0.35
0.35
0.35
0.35
0.35
0.35
ECM Electronics Limited, Penmaen House, Ashington, West Sussex, RH20 3JR, UK
Tel: +44(0)1903 892810: Fax: +44(0)1903 892738. Email: sales@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
1
