Preliminary
SF2236G
• Low-loss SAW Filter
• 2.5 x 2.0 x 1.0 mm Surface-Mount Case
• No Matching Circuit Required
1642.5 MHz
SAW Filter
Absolute Maximum Ratings
Rating
Value
Units
dBm
VDC
°C
Maximum Input Power
+5
5
Maximum DC Voltage on any Non-ground Terminal
Storage Temperature Range in Tape and Reel
Maximum Soldering Profile, 5 cycles maximum
-40 to +85
265 °C for 10 s
SM2520-4
Electrical Characteristics
Characteristic
Sym
Notes
Min
Typ
1642.5
2.1
Max
Units
MHz
dB
dB
Nominal Operating Frequency
Passband Insertion Loss, 1625 to 1660 MHz
Amplitude Ripple, 1625 to 1660 MHz
Attenuation Referenced to 0 dB:
DC to 1500 MHz
f
C
IL
3.5
2.0
0.9
P-P
21
30
30
25
28
34
dB
1525 to 1559 MHz
1700 to 2050 MHz
33
2050 to 3500 MHz
33
VSWR, 1625 to 1660 MHz
Source impedance
1.5:1
50
2.3:1
+75
Z
Ω
Ω
°C
S
Load impedance
Z
50
L
Operating Temperature Range
T
-20
A
Single-ended Input / Output Impedance Match
Case Style
No matching network required for operation at 50 ohms
SM2520-4
3K, YW
Lid Symbolization (3K = Filter ID, Y = year, W = week)
Electrical Connections
Connection
Input
Terminals
1
3
Output
Ground
All others
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.
Notes:
1.
2.
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
©2010 by RF Monolithics, Inc.
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SF2236G - 6/8/10