Datasheet > 250421B

250421B

更新时间： 2022-05-28 17:02:44

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描述
140.0 MHz SAW Filter

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250421B 数据手册

140.0 MHz SAW Filter

Part Number 250421B

1. Features

ꢀ

Typical 2dB bandwidth of 4.2 MHz

Single Ended Operation

Dip Package

2. Electrical Specifications

Source and Load Impedance = 50ꢁ

Room Temperature : +25℃

Minimum

Typical

140.0

24.5

4.19

4.27

4.91

5.08

0.5

Maximum

Center Frequency (fo)

Insertion Loss

MHz

ꢀ

26.5

2dB Bandwidth

MHz

4.16

ꢀ

3dB Bandwidth

ꢀ

25dB Bandwidth

5.0

ꢀ

40dB Bandwidth

ꢀ

Amplitude Ripple (fo ± 1.9 MHz)

Group Delay Variation (fo ± 1.9 MHz)

Absolute Delay

ꢀ

1.0

230

ꢀ

nsec

usec

ꢀ

125

ꢀ

3.08

Ultimate Rejection

ꢀ

Temperature Coefficient of Frequency

ppm/℃²

ꢀ0.03

ꢀ

D3512 Package Dimension

Matching Schematic

12.8±0.5

5.5max 6.0max

7.6±0.2

100 nH

Input

Output

39 pF

51 pF

Pin Configuration

Dimensions shown are nominal in millimeters

Input

Output

Ground

Others

2,4

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

Cap : Cu & Cr Alloy, Ni Plated

Termination : Kovar, Au Plated

Ground

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. 04. 05

Rev 1.0

GyounggiꢀDo, Korea 421ꢀ809

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