Ceramic Filter
Phone: +86 (10) 5820-3910 Fax: +86 (10) 5820-3915 Email: sales@vanlong.com Web: http://www.vanlong.com
November 15, 2002 Vanlong T echnology Co., Ltd.
LT455_W & LT450_W Series Ceramic Filter
LT455_W and LT450_W series ceramic filters are widely
used in telecommunication, cable, radar, TV set, tape
recorder, video camera and other electronic products due to
its lower price and stable performances.
Specifications: LT_W Series
Frequency Range(fc):
LT455_W Series: 455KHz
LT450_W Series: 450KHz
All dimensions are in mm
Operating Temperature: -20°C ~ +80°C Standard
Storage Temperature: -40°C ~ +85°C
6dB Bandwidth and Attenuation Bandwidth:
B: ± 15KHz ± 30KHz
C: ± 12.5KHz ± 24KHz
D: ± 10KHz ± 20KHz
E: ± 7.5KHz ± 15KHz
F: ± 6KHz ± 12.5KHz
G: ± 4.5KHz ± 10 KHz
H: ± 3KHz ± 9KHz
I: ± 2KHz ± 7.5KHz
Attenuation Specified: 50dB min
Stop Band Attenuation: 40dB min (at fc ± 100KHz)
Insertion Loss: 4.0dB max (B,C,D)
6.0dB max (E,F,G,H,I)
Input/Output Impedance: 1.5KΩ (B,C,D,E)
2.0KΩ (F,G,H,I)
Note:
1. Other frequencies, bandwidth ranges available. Consult VTC Support for
specific requirements.
2.
Not all combinations of the above bandwidth ranges are available. Consult VTC
Support if your requi reme nt is not stand ar d.
3.
All specifications subject to change without notice.
Ordering Information
Product name + Frequency + Bandwidth Code.
i.e. LT455BW
LT455_W
LT450_W
Pin Connection
(1) Input
(2),(3),(4) Ground
(5) Output