Datasheet > 251920B

251920B

更新时间： 2024-11-05 12:31:27

品牌	Logo	应用领域
ITF		/
页数	文件大小	规格书
2页	206K
描述
140.0 MHz SAW Filter

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251920B 数据手册

140.0 MHz SAW Filter

Part Number 251920B

1. Features

ꢀ

Typical 1dB bandwidth of 19.79 MHz

High attenuation

Single Ended Operation

Dual Inꢀline Package (DIP)

2. Electrical Specifications

Source and Load Impedance = 50ꢁ

Operating Temperature : +25℃

Minimum

Typical

140.0

25.5

19.79

20.57

20.75

0.7

Maximum

Center Frequency (fo)

Insertion Loss

MHz

ꢀ

27.0

19.85

20.65

ꢀ

2dB Bandwidth

MHz

19.75

25dB Bandwidth

ꢀ

40dB Bandwidth

Amplitude Ripple (fo ± 9.65 MHz)

Group Delay Variation (fo ± 9.65 MHz)

Absolute Delay

ꢀ

1.0

150

ꢀ

nsec

usec

ꢀ

2.92

Ultimate Rejection

ꢀ

Temperature Coefficient of Frequency

ppm/℃

ꢀ84

ꢀ

D3512 Package Dimension

Matching Schematic

12.8±0.5

5.5max 6.0max

7.6±0.2

39nH

Input

Output

22pF

Pin Configuration

Dimensions shown are nominal in millimeters

Input

Output

Ground

Others

2,4

Ground

Base : Fe(SPCC), Au plating over Ni plated

Cap : Cu & Cr Alloy, Ni Plated

Termination : Kovar, Au Plated

I T F Co., Ltd.

102ꢀ901, Bucheon Technopark 364, SamjeongꢀDong,

OjeongꢀGu, BucheonꢀCity,

Tel: 82-32-621-1213

Fax: 82-32-621-1218

http://www.itf.co.kr

sales@itf.co.kr

2010. 09.14

Rev 1.0

GyounggiꢀDo, Korea 421ꢀ809

中文翻译

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