ECS-21K-30A ECS Inc, ECS-21K-30A Datasheet

MONO CRYST FILTER 50KHZ 2POLE

ECS-21K-30A

Manufacturer Part Number
ECS-21K-30A
Description
MONO CRYST FILTER 50KHZ 2POLE
Manufacturer
ECS Inc
Datasheet

Specifications of ECS-21K-30A

Frequency
21.4MHz Center
Impedance
1.5K Ohm
Filter Type
Monolythic Crystal
Insertion Loss
1.5dB
Ripple
0.5dB
Package / Case
3 Pin SIP
Mounting Type
Through Hole
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
X711
MONOLITHIC CRYSTAL FILTERS
ELECTRICAL CHARACTERISTICS (10.7 and 21.4 MHz)
For 12.5 KHz Channel Spacing (Operating Temperature -20 to +70˚C)
For 20 KHz Channel Spacing (Operating Temperature -20 to +70˚C)
ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM
MODEL
ECS-10.7-7.5A
ECS-10.7-7.5B
ECS-10.7-7.5C
ECS-10.7-7.5D
ECS-21K7.5A
ECS-21K7.5B
ECS-21K7.5C
ECS-21K7.5D
ECS-21K7.5E
MODEL
ECS-10.7-12A
MF 10.7-12B
MF 10.7-12C
MF 10.7-12D
ECS-21K12A
ECS-21K12B
ECS-21K12C
ECS-21K12D
FREQ. (f
NOMINAL
FREQ. (f
NOMINAL
(MHz)
(MHz)
10.7
10.7
10.7
10.7
21.4
21.4
21.4
21.4
10.7
10.7
10.7
10.7
21.4
21.4
21.4
21.4
21.4
O
O
)
)
NUMBER
NUMBER
POLES
POLES
OF
10
OF
2
4
6
8
2
4
6
8
2
4
6
8
2
4
6
8
PASSBAND
PASSBAND
3dB MIN.
3dB MIN.
(KHz)
±3.75
±3.75
±3.75
±3.75
±3.75
±3.75
±3.75
±3.75
±3.75
(KHz)
±6.0
±6.0
±6.0
±6.0
±6.0
±6.0
±6.0
±6.0
ECS’s Monolithic Crystal Filters have very
high Q’s and excellent temperature and
aging characteristics. These filters offer
narrow and intermediate bandwidths. The
monolithic crystal filter is smaller and more
cost effective than a discrete crystal
filter. With the addition of coupling
capacitors between two-pole sections, they
can be cascaded to produce four, six and
eight (or more) pole filter responses.
CRYSTAL FILTERS
RIPPLE
RIPPLE
MAX.
MAX.
(dB)
(dB)
0.5
1.0
2.0
2.0
0.5
1.0
2.0
2.0
2.0
0.5
1.0
2.0
2.0
0.5
1.0
2.0
2.0
LOSS MAX.
INSERTION
LOSS MAX.
INSERTION
(dB)
(dB)
1.5
2.5
3.5
4.0
2.0
2.5
3.0
4.0
4.5
2.0
2.5
3.0
4.0
2.0
2.5
3.0
4.0
74
STOPBAND
STOPBAND
(dB) (KHz)
35 ±12.5
(dB) (KHz)
45 ±8.75
65 ±8.75
18 ±12.5
45 ±8.75
75 ±8.75
20 ±18
40 ±14
18 ±23
40 ±20
45 ±14
65 ±14
18 ±23
40 ±20
45 ±14
65 ±14
65 ±9
CRYSTAL FILTERS
MAX.
MAX.
STOPBAND
STOPBAND
(dB) (KHz)
(dB) (KHz)
65 ±12.5
90 ±12.5
65 ±12.5
90 ±12.5
90 ±10.5
60 ±20
90 ±20
65 ±20
90 ±20
• High stability for wide temperature ranges
• Sharp cut-off
• RoHS Compliant (Pb Free)
MAX.
MAX.
FEATURES
35 +300 ~ +1000
65 +300 ~ +1000
35 +300 ~ +1000
65 +300 ~ +1000
35 +350 ~ +1000
65 +350 ~ +1000
50 -200 ~ -1000
80 -200 ~ -1000
65 ±12.5 ~ ±300
90 ±12.5 ~ ±300
65 ±12.5 ~ ±300
90 ±12.5 ~ ±300
90 ±12.5 ~ ±300
40 -200 ~ -1000
80 -200 ~ -1000
50 -200 ~ -1000
70 -200 ~ -1000
(dB) (f
(dB) (f
65 ±20 ~ ±300
90 ±20 ~ ±300
65 ±20 ~ ±300
90 ±20 ~ ±300
GUARANTEED
ATTENUATION
ATTENUATION
GUARANTEED
90 ±910
75 -910
O
O
±KHz)
±KHz)
TERMINATING
TERMINATING
IMPEDANCE
IMPEDANCE
(Ohms/pF)
(Ohms/pF)
1800//5.0
1800//4.0
1800//3.5
1800//3.5
1500//6.0
2500//2.5
2500//1.5
2800//1.0
2800//1.0
1200//3.0
1200//2.5
1200//2.5
1200//2.5
850//5.0
850//5.0
850//5.0
850//5.0
HC-49/U x 2
HC-49/U x 2
UM-1 x 2
UM-1 x 2
HC-49/U
HC-49/U
UM-1
CASE
CASE
UM-1
SC-3
SC-4
SC-1
SC-1
SC-2
SC-3
SC-4
SC-1
SC-1

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... ECS-21K12D 21.4 8 ±6.0 ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM ECS’s Monolithic Crystal Filters have very high Q’s and excellent temperature and aging characteristics. These filters offer narrow and intermediate bandwidths. The ...

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... GND SC-3 SC-4 18.5 12.0 15.0 SC-5 23.0 12.0 15 GND Figure 4) SC Pkg with Dimensional Chart ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM RIPPLE INSERTION STOPBAND MAX. LOSS MAX. MAX. (dB) (dB) (dB) (KHz) 1 ...

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