51
MARKING: See Page 52, Format A
MARKING: See Page 52, Format A
Dimensions:
I n c h e s
(mm)
No.
Pass
Attenuation
Insertion Guaranteed Terminating
No.
of
Band Width Band Width Ripple Loss Attenuation Impedance
of
Model
Poles
dB (kHz)
dB (kHz)
dB
dB
dB
Ohms // pF
Units
21M7. 5A
2
3 ( 3.75)
18 ( 14)
0.5
2.0
20
0.85 // 5
1
21M7.5B
4
3 ( 3.75)
40 ( 14) 1.0
2.5
40
0.85 // 5
2
21M12A
2
3 ( 6.0)
18 ( 23)
0.5
2.0
20
1.2 // 2.5
1
21M12B
4
3 ( 6.0)
40 ( 20) 1.0
2.5
40
1.2 // 2.5
2
21M15A
2
3 ( 7.5)
18 ( 25)
0.5
1.5
20
1.5 // 2.0
1
21M15B
4
3 ( 7.5)
40 ( 25) 1.0
2.0
40
1.5 // 2.0
2
21M20A
2
3 ( 10 )
18 ( 34)
0.5
1.5
20
2.2 // 1
1
21M20B
4
3 ( 10)
40 (34)
1.0
2.0
40
2.2 // 1
2
21M30A
2
3 ( 15)
15 ( 50) 0.5
1.5
20
3.0 // 0
1
21M30B
4
3 ( 15)
30 ( 45) 1.0
2.0 40
3.0 // 0
2
45M15A
2
3 ( 3.75)
18 ( 28)
1.0
2.0
40
3.0 // -1..5
1
45M15B
4
3 ( 3.75)
40 ( 30) 1.0
3.0
70
3.0 //-1
2
45M20B
4
3 ( 10)
30 ( 35)
1.0
3.0
70
5..0 //-1.0
2
45M30A
2
3 ( 15)
18 ( 32) 1.0
2.0
40
8.0 //-1.5
1
45M30B
4
3 ( 15)
30 ( 50) 1.0
3.0
70
8.0//-1.5
2
SPECIFICATIONS
SPECIFICATIONS
FMXF
FMXF U1
U1 21M15A
21M15A - - XX.XXXXXXM
XX.XXXXXXM - - T R
T R
15302 Bolsa Chica St., Huntington Beach, CA. 92649
Tel.: 714-892-3234 Fax: 714-890-1832
E-mail: sales@frequencymanagement.com
www.frequencymanagement.com
See Specifications
PART NUMBERING SYSTEM
PART NUMBERING SYSTEM
Model
UM-1
UM-5
1-800-800-XTAL
(9825)
TR - Tape & Reel
LT - Lead Trimming
LF - Lead Forming
Options
FMXFU
SERIES
Monolithic Crystal Filters
UM-1/UM-5
2 and 4 Poles
3 - Lead Packages
Thru-Hole Packages
Multiple Packages Available
UM-1 / UM-5
UM-1 0.319" (8.10 mm)
UM-5 0.236" (6.00mm)
Package
Max. Height
DIMENSION "H" TABLE
fo
Nominal Frequency
a
Pass Bandwidth
b
Ripple
c
Insertion Loss
d
Stop Bandwidth
e
Stop Band Atten.
f
Spurious Response
g
Guaranteed Atten.
h
Group Delay
* STANDARD PRODUCT LIST. CUSTOM PRODUCTS AVAILABLE UPON REQUEST.
c
fo
e
g
b
a
d
h
f
g
Waveform
Filter
Zt:Terminating Impedance(Rt+Ro)//Ct
Rt
S.G
Ro
Zt
Ct
L.M
Ro
Zt
Rt
Test fixture
Ct
Test Circuit
Item
Description
WAVEFORM TERMS
Standard Frequencies
21.400000 MHz
21.450000 MHz
21.600000 MHz
21.700000 MHz
44.962500 MHz
45.000000 MHz
45.037500 MHz
Package
All specifications subject to change without notice.
Frequency (MHz)
MARKING: See Page 56, Format B, (UM-1); C, (UM-5)
MARKING: See Page 56, Format B, (UM-1); C, (UM-5)
Monolithic Crystal Filter
Product Family
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