LTU-455 Datasheet, PDF (1/1 Pages) EUROQUARTZ limited – CERAMIC FILTER

EURO QUARTZ
•High selectivity type ceramic filters
•Pass bandwidths from 30kHz to 4MHz
•Easily mounted to PCB
•Miniature size
LTU-455 2 CERAMIC FILTER
4 Element
SPECIFICATION
21
3
4.3
0.8
2.7
Actual size
(outline top view)
7.0 8.0
8.2
4.0
Connections
1 Input
2 Ground
3 Output
Outline and Dimensions
Frequency v. Attenuation Characteristics
0
LTU-450B2
10
LTU-450D2
20
LTU-450H2
Attenuation ³⁰
(dB) ₄₀
50
60
410 420 430 440 450 460 470 480 490 ₅₀₀
Frequency (kHz)
ELECTRICAL CHARACTERISTICS
Part
Number
Centre Insertion Pass Band
6dB
Frequency Loss
Ripple Bandwidth
(kHz) (dB max.) (dB max.) (kHz min.)
40dB
Bandwidth
(kHz min.)
Stop Band
Att. ±100kHz
(dB min.)
Input/Output
Impedance
(W)
LTU-455B2
455±2.0
4
LTU-455C2
455±2.0
4
LTU-455D2
455±1.5
4
LTU-455E2
455±1.5
6
LTU-455F2
455±1.5
6
LTU-455G2
455±1.0
6
LTU-455H2
455±1.0
6
LTU-455I2
455±1.0
6
LTU-455HT
455±1.0
6
LTU-455IT
455±1.0
6
2
±15
±30
27
2
±12.5
±24
27
2
±10
±20
27
2
±7.5
±15
27
2
±6
±12.5
27
2
±4.5
±10
25
2
±3
±9
25
2
±2
±7.5
25
2
±3
±9
35
2
±2
±7.5
35
1500
1500
1500
1500
2000
2000
2000
2000
2000
2000
TEST CIRCUIT
Input 1
LT U
R1
2
RG
Ground
SSG
Output 3
R2
RF
V .M.
RG+R1=R2=Input/Output Impedance
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: [phone] Fax: [phone] Email: [e-mail] www.euroquartz.co.uk