Ceramic Filter

Phone: +86 10 6301 4184

Fax: +86 10 6301 9167

Email: sales@vanlong.com

Web: http://www.vanlong.com

November15,2002

Vanlong Technology 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

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:

1.5K

Ω (B,C,D,E)

2.0K

Ω (F,G,H,I)

All dimensions are in mm

Ordering Information

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 requirement is not standard.

3.

All specifications subject to change without notice.

Product name + Frequency + Bandwidth Code.

i.e. LT455BW

LT455_W

LT450_W

Pin

Connection

(1)

Input

(2),(3),(4)

Ground

(5)

Output