251458B datasheet, PDF - EEWORLD Datasheet

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251458B: DescriptionTypical 1dB bandwidth of 14.1 MHz; File Size168KB，3 Pages; ManufacturerITF; Websitehttp://www.itf.co.kr/

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251458B Overview

Typical 1dB bandwidth of 14.1 MHz

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155.5 MHz SAW Filter

Part Number

251458B

1. Features

Typical 1dB bandwidth of

14.1 MHz

High attenuation

Single Ended Operation

Surface Mounted Package (SMD)

2. Electrical Specifications

Source and Load Impedance = 50

Operating Temperature : +25℃

℃

Center Frequency (fo)

Insertion Loss

1 dB Bandwidth

3dB Bandwidth

40dB Bandwidth

Amplitude Ripple (fo ± 6.75 MHz)

Group Delay Variation (fo ± 6.75 MHz)

Absolute Delay

Ultimate Rejection

Maximum input Power

Temperature Coefficient of Frequency

MHz

nsec

usec

dBm

ppm/℃

℃

Minimum

13.95

Typical

157.5

26.5

14.1

14.5

16.3

0.45

2.27

-18

Maximum

28.0

16.45

1.0

S2098 Package Dimension

2.30±0.1

Matching Schematic

20.00±0.2

7.62±0.1

Output

ITF 13A001

251458B

。

157.5-14.1M

1.02±0.1

Input

9.80±0.2

1.91±0.1

1.56±0.2

L1 = 56nH, L2 = 47nH, C1 = 33pF, C2 = 39pF

Dimensions shown are nominal in millimeters

Body : Al

Lid : Kovar, Ni Plated

Termination : Au plating 0.3 ~ 1.0um, over a 1.27 ~ 8.89um Ni Plating

Pin Configuration

Input

Output

Ground

Others

1,6

Ground

I T F Co., Ltd.

102-901, Bucheon Technopark 364, Samjeong-Dong,

Ojeong-Gu, Bucheon-City,

Gyounggi-Do, Korea 421-809

Tel: 82-32-621-1213

Fax: 82-32-621-1218

http://www.itf.co.kr

sales@itf.co.kr

2013. 04. 01

Rev 1.0

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