RF Components - SAW SF2254E 872 MHz SAW SAW Filter - RF - RFM offers a full set of custom embedded wireless networking solutions like Zigbee wireless mesh sensor networks, RF modules, IC transceiver, IC transmitters and IC receivers. RFM, Inc. manufactures low power wireless and RF radio modules, wireless mesh nodes for distributed sensing on distributed sensor networks. Low Power radio, n../arrowband and short range devices, front end saw filters, active RFID, RFIC, coupled resonator filters, single silicon chips in the 70MHZ and 300-1000Mhz range.

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RF Components
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SF2254E

872 MHz SAW Filter - RF

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� Low-loss RF SAW Filter
� Miniature 3 x 3 mm SMD Package
� Complies with Directive 2002/95/EC (RoHS)
Click here if you need additional technical information,
to inquire about samples or to discuss your custom needs.

download data sheet Rev Date 11/18/10

download RoHS Statement

download Package Specs

Specs
AppNotes
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Electrical Characteristics

Characteristic	Symbol	Minimum	Typical	Maximum	Units
Center Frequency	fC		872.5		MHz
Insertion Loss, 865 to 880 MHz	IL		2.7	3.5	dB
Amplitude Ripple, 865 to 880 MHz			0.7	1.5	dBP-P
VSWR, 865 to 880 MHz			1.5:1	2.0:1
Attenuation, Referenced to 0 dB:					dB
10 to 820 MHz		40	45		dB
820 to 835 MHz		35	40		dB
912 to 927 MHz		25	32		dB
927 to 972 MHz		35	40		dB
972 to 1300 MHz		40	45		dB
Source Impedance	ZS		50		Ohm
Load Impedance	ZL		50		Ohm