Dielectric Filter (MF Type)
Features
DF Series
•
•
•
•
•
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Small and light size
Low insertion loss for using high Q-value resonators
Excellent temperature stability
Excellent mechanical structure
Good selectivity
Suitable for surface mount and reflow soldering
Electronic Characteristics
Pass
Bandwidth
(MHz)
Insertion
Loss
(dB max)
Center Freq.
fO (MHz)
VSWR
max
Stop Band Attenuation
Dimension
W x L x H (mm)
Part Number
(dB min)
DF2C620P10ASNS
DF2C670P10ASNS
DF2C796P06ASNS
DF2C903P02ACNS
DF2C927P02ACNS
DF2C2403P06ACNS
DF2C2475P06ACNS
DF2C808P02AENS
DF2C818P02AENS
DF2C903P02AENS
DF2C927P02AENS
DF2C907P02CNU
DF2C903P02BESS
DF2C927P02BESS
DF2C914P01BCSS
DF2C959P01BCSS
DF2C2403P06BESS
DF2C2475P06BESS
DF2C903P02BCSS
DF2C927P02BCSS
DF2C915P26BSSS
DF2C2442P83BSSL
DF2C2442P85BSSS
DF2C2442P84ASSS
DF2C1575P10ACNS
DF2C1890P20ACNS
620.00
670.00
796.60
903.00
927.00
2403.75
2475.75
808.35
817.95
903.00
927.00
906.50
903.00
927.00
914.50
959.50
2403.75
2475.75
903.00
927.00
915.00
2442.0
2442.0
2442.0
1575.4
1890.0
fO ± 5.0
fO ± 5.0
fO ± 3.0
fO ± 1.0
fO ± 1.0
fO ± 3.0
fO ± 3.0
fO ± 1.0
fO ± 1.0
fO ± 1.0
fO ± 1.0
fO ± 1.0
fO ± 1.0
fO ± 1.0
fO ± 0.5
fO ± 0.5
fO ± 3.0
fO ± 3.0
fO ± 1.0
fO ± 1.0
fO ± 13.0
fO ± 41.5
fO ± 42.5
fO ± 42.0
fO ± 5.0
fO ± 10.0
2.5
2.5
2.0
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.0
3.5
3.5
3.5
3.5
3.2
3.2
3.5
3.5
2.5
1.5
2.5
3.2
2.6
2.5
2.0
2.0
1.5
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
40(fO-117.5)/20(fO+117.5)
40(fO-117.5)/20(fO+117.5)
30(fO-65)/20(fO+65)
25(fO-24)/20(fO+24)
25(fO-24)/20(fO+24)
35(fO+72)
7.4x10.9x3.7
7.4x10.0x3.7
7.4x8.5x3.7
7.4x8.8x3.7
7.4x8.6x3.7
7.4x7.0x3.7
7.4x6.8x3.7
7.4x10.0x3.7
7.4x9.9x3.7
7.4x8.8x3.7
7.4x8.7x3.7
7.4x9.1x3.7
6.0x8.8x3.0
6.0x8.6x3.0
6.0x8.7x3.0
6.0x8.2x3.0
6.0x7.0x3.0
6.0x6.8x3.0
6.0x8.8x3.0
6.0x8.6x3.0
5.8x7.3x2.9
5.05x3.2x1.9
5.7x4.4x2.0
5.7x3.3x1.9
5.7x5.2x2.85
5.7x4.3x2.85
35(fO-72)
35(fO+25)/15(fO-25)
35(fO+25)/15(fO-25)
35(fO+24)/15(fO-24)
35(fO+24)/15(fO-24)
35(926.50)
15(fO-24)/30(fO+24)
15(fO+24)/30(fO-24)
24(fO-44)/30(fO+44)
24(fO-44)/30(fO+44)
33(fO+72)
33(fO-72)
20(fO+24)/15(fO-24)
20(fO-24)/15(fO+24)
27(fO-77.5)/17(fO+77.5)
35(fO-291.5)
40(fO-500)/38(fO+500)
40(fO-500)/38(fO+500)
30(fO-140)/28(fO+140)
25(fO-100)/20(fO+100)
Note: Please consult VTC support for other frequencies and specification that is not listed above.
Method of Definition
DF 2 C 903 P 02 A C N S
DF : Dielectric Filter
02
A
: Bandwidth in MHz
: Product series
2
: Number of holes
: SMD type
C
C
N
S
: Hole structure
903 : Center frequency in MHz
: Filter type, i.e. P - Band pass
: Part type, i.e. N - Normal, S - Small
: Electrode type
P
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Email: sales@vanlong.com
Web: http://www.vanlong.com
DF Series
© April 2004 by Vanlong Technology Co., Ltd.