SF2042C - RFM (RF Monolithics, Inc.)

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1. Unless noted othe rwise, all specifica tio ns apply ov er the opera tin g tempera tu re range with f ilter so lder ed to the spec ified d emons tr ation bo ard with i mpeda nce

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

2. Rejectio n is me asure d as a tten uation bel ow t he mi nimum IL poi nt in t he p ass band. Rej ectio n in final us er appl ica tion i s dependent on PCB layout and e xter nal

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

3. The desi gn, manufact uring proce ss, and specifications of this filter are subject to change.

4. Tape and Reel Standard ANSI / EIA 481.

5. Eith er Port 1 or Por t 2 ma y be us ed for ei the r inp ut o r output in t he des ign. However, impedances and impeda nce mat chi ng may var y betwe en Po rt 1 and Port

2, so that the filter mus t always be inst alled in one direc tion per the ci rcuit design .

6. US and international patents may apply.

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

8. The center of the bandwidths wi ll move with ambient temperature.

Electrical Characteristics

Characteristic Sym Notes Min Typ Max Units

Nominal Center Frequency CF 1, 10 456.00 MHz

Insertion Loss @ 25°C 12 14 dB

Differential Impedance line-to-line 200 ohms

1 dB Bandwidth BW110 ±6.4 ±8 MHz

3 dB Bandwidth BW310 ±7.5 ±9

Group Delay Variation, CF ±6.4 MHz 20 150 nsP-P

Return Loss 815 dB

Rejection Referenced to 0 dB:

DC to 256 MHz 40 55

256 to 360 MHz 40 60

360 to 416 MHz 40 50

416 to 443 MHz 32 40

470 to 656 MHz 35 40

656 to 946 MHz 35 60

Equivalent Input Circuit 250 ohm ||4.8 pF

Equivalent Output Circuit 220 ohm ||5.2 pF

Frequency Temperature Coefficient 10 -15 kHz/°C

Operating Temperature Range -40 85 °C

Storage Temperature Range in Tape and Reel -40 85

Case Style SM5050-8 5 x 5 mm Nominal Footprint

Lid Symbolization (YY=year , WW=week, S=shift) RFM 557 YYWWS

SM5050-8

• Designed for 802.16 and WIMAX Receiver IF Application

• Low Insertion Loss

• 5.0 X 5.0 mm Surface-mount Case

• Differential Input and Output

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

Absolute Maximum Ratings

Rating Value Units

Maximum Incident Power in Passband +13 dBm

Maximum DC Voltage on any Non-ground Terminal 30 VDC

Storage Temperature Range -40 to +85 °C

Suitable for Lead-free Soldering - Maximum Soldering Profile 260°C for 30 s

456.00 MHz

SAW Filter

SF2042C

CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.

Notes:

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Dimension mm Inches

Min Nom Max Min Nom Max

A4.80 5.00 5.20 0.189 0.197 0.205

B4.80 5.00 5.20 0.189 0.197 0.205

C1.30 1.50 1.70 0.050 0.060 0.067

D1.98 2.08 2.18 0.078 0.082 0.086

E1.07 1.17 1.27 0.042 0.046 0.050

F0.50 0.64 0.70 0.020 0.025 0.028

G2.39 2.54 2.69 0.094 0.100 0.106

H1.27 0.050

I0.76 0.030

J1.55 0.061

K2.79 0.110

L0.76 0.030

M2.36 0.093

N1.55 0.061

O2.79 0.110

P2.79 0.110

Q2.79 0.110

8-Terminal Ceramic Surface-Mount Case

5.0 X 5.0 mm Nominal Footprint

SM5050-8 Case

Case Dimensions

Case Ma ter ial s

Materials

Solder Pad

Plating 0.3 to 1.0 µm Gold over 1.27 to 8.89 µm Nickel

Lid Plating 2.0 to 3.0 µm Nickel

Body Al2O3 Ceramic

Pb Free

PCB Footprint

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