Datasheet > SF2247E

SF2247E

更新时间： 2024-11-07 12:23:11

品牌	Logo	应用领域
RFM		/
页数	文件大小	规格书
5页	790K
描述
422 MHz SAW Filter

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数据手册

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SF2247E 数据手册

SF2247E

• Low-loss 422 MHz SAW Filter

• No Matching Required for Operation in 50Ω Environment

• Complies with Directive 2002/95/EC (RoHS)

422 MHz

SAW Filter

Absolute Maximum Ratings

Rating

Value

Units

dBm

Input Power Level

DC Voltage on any Non-ground Terminal

Operating Temperature Range

-40 to +85

265

°C

Storage Temperature Range in Tape and Reel

Maximum Soldering Profile, 5 cycles/10 seconds Maximum

°C

SM3030-6

Electrical Characteristics

Characteristic

Sym

Notes

Min

Typ

Max

Units

Center Frequency

Insertion Loss, 420 to 424 MHz

Amplitude Ripple, 420 to 424 MHz

VSWR, 420 to 424 MHz

Attenuation Referenced to 0 dB:

10 to 300 MHz

422

1.9

MHz

3.0

1.6

0.3

P-P

1.5:1

2.4:1

300 to 380 MHz

380 to 405 MHz

414 MHz

440 to 450 MHz

450 to 700 MHz

700 to 1000 MHz

Source Impedance

Load Impedance

Ω

Case Style

SM3030-6 3.0 x 3.0 mm Nominal Footprint

985, YWWS

Lid Symbolization, Y=year, WW=week, S=shift, Dot=pin 1 indicator

Standard Reel Quantity

Reel Size 7 Inch

Reel Size 13 Inch

500 Pieces/Reel

3000 Pieces/Reel

Electrical Connections

Connection

Input

Terminals

Output

Case Ground

All others

CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.

Notes:

Unless noted otherwise, all specifications apply over the operating temperature range with filter soldered to the specified demonstration board with impedance

matching to 50 Ω and measured with 50 Ω network analyzer.

Unless noted otherwise, all frequency specifications are referenced to the nominal center frequency, fc.

Rejection is measured as attenuation below the minimum IL point in the passband. Rejection in final user application is dependent on PCB layout and external

impedance matching design. See Application Note No. 42 for details.

The design, manufacturing process, and specifications of this filter are subject to change.

US and international patents may apply.

RFM, stylized RFM logo, and RF Monolithics, Inc. are registered trademarks of RF Monolithics, Inc.

www.RFM.com E-mail: info@rfm.com

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