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SF2146D (R) 4/29/16 Page 1 of 4
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SM3838-8
• 3.8 X 3.8 X 1.0 mm Surface Mount Case
• Complies with Directive 2002/95/EC (RoHS)
Absolute Maximum Ratings
Rating Value Units
Maximum Incident Power in Passband +15 dBm
Maximum DC Voltage on any Non-ground Terminal 3 VDC
Storage Temperature Range in Tape and Reel -45 to +85 °C
Suitable for Lead-free Soldering - Maximum Soldering Profile 260 °C for 30 s
415.0 MHz
SAW Filter
SF2146D
1. Unless noted otherwise, all specifications apply over the operating temperature range with filter soldered to the specified demonstration board with impedance
matching to 50 and measured with 50 network analyzer.
2. Unless noted otherwise, all frequency specifications are referenced to the nominal center frequency, fc.
3. 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.
4. The design, manufacturing process, and specifications of this filter are subject to change.
5. Either Port 1 or Port 2 may be used for either input or output in the design. However, impedances and impedance matching may vary between Port 1 and Port
2, so that the filter must always be installed in one direction per the circuit design.
6. US and international patents may apply.
7. Murata, stylized Murata logo, and Murata N.A., Inc. are registered trademarks of Murata Manufacturing Co., Ltd.
Pb
Electrical Characteristics
Characteristic Sym Notes Min Typ Max Units
Center Frequency
f
O
1415MHz
3 dB Bandwidth BW
3
25 32 MHz
Maximum Insertion loss at 415 MHz IL
MAX
4.0 4.5 dB
Amplitude Ripple, 403 to 427 MHz 1.5 2.0
dB
P-P
Attenuation:
90 to 290 MHz 41 50
dB
290 to 328 MHz 32 40
328 to 350 MHz 42 50
350 to 375 MHz 30 40
375 to 390 MHz 17 20
445 to 475 MHz 13 20
475 to 485 MHz 35 40
485 to 900 MHz 30 36
Input/Output Impedance
50 / 100
Operating Temperature -30 +85 °C
Case Style SM3838-8 3.8 x 3.8 mm Nominal Footprint
Lid Symbolization (Y=year, WW=week, S=shift) dot=pin 1 indicator 777, YWWS
Standard Reel Quantity Reel Size 7 Inch 500 Pieces/Reel
Reel Size 13 Inch 3000 Pieces/Reel
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.
NOTES:
Copyright © Murata Manufacturing Co., Ltd. All Rights Reserved 2008
