SF2235G [RFM]
1542.5 MHz SAW Filter; 1542.5 MHz的SAW滤波器
| 型号： | SF2235G |
| 厂家： | 
RF MONOLITHICS, INC |
| 描述： | 1542.5 MHz SAW Filter |
| 文件： | 总5页 (文件大小：577K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Preliminary
SF2235G
• Low-loss SAW Filter
• 2.5 x 2.0 x 1.0 mm Surface-mount Case
• No Matching Circuit Required
1542.5 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
SM2520-5
Electrical Characteristics
Characteristic
Sym
Notes
Min
Typ
1542.5
2.1
Max
Units
MHz
dB
dB
Nominal Operating Frequency
Passband Insertion Loss, 1525 to 1560 MHz
Amplitude Ripple, 1525 to 1560 MHz
Attenuation Referenced to 0 dB:
DC to 1480 MHz
f
C
IL
3.5
2.0
0.9
P-P
21
26
30
25
41
dB
°C
1630 to 1660 MHz
34
1660 to 2050 MHz
35
50
2050 to 3500 MHz
Source impedance, Single-ended
Load impedance, Balanced
Operating Temperature Range
Z
50 Ω
150 Ω || 33 nH
S
Z
L
T
-10
+75
A
Case Style
SM2520-4
3G, YW
Lid Symbolization (3G = Filter ID, Y = year, W = week)
Electrical Connections
Connection
Terminals
Input, Single-ended
Output, Balanced
Ground
1
3, 4
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.
Page 1 of 5
SF2235G - 6/8/10
Filter Amplitude Plots
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
1492.5 1502.5 1512.5 1522.5 1532.5 1542.5 1552.5 1562.5 1572.5 1582.5 1592.5
Freq.(MHz)
0
-10
-20
-30
-40
-50
-60
1342.5 1382.5 1422.5 1462.5 1502.5 1542.5 1582.5 1622.5 1662.5 1702.5 1742.5
Freq.(MHz)
www.RFM.com E-mail: info@rfm.com
©2010 by RF Monolithics, Inc.
Page 2 of 5
SF2235G - 6/8/10
0
-10
-20
-30
-40
-50
-60
-70
0
350
700
1050 1400 1750 2100 2450 2800 3150 3500
Freq.(MHz)
Filter Tuning Network
4
1
5 0 o h m
a l a n c e d
u t p u t
5
0 o h m
I n p u t
1
3
3
n
H
S
F
2
2
3
5
G
B
O
3
2
,
5
www.RFM.com E-mail: info@rfm.com
©2010 by RF Monolithics, Inc.
Page 3 of 5
SF2235G - 6/8/10
SM2520-5 Case
5-Terminal Ceramic Surface-Mount Case
2.5 X 2.0 mm Nominal Footprint
Case Dimensions
mm
Inches
Nom Max
Dimension
Nom
2.00
2.50
1.00
0.55
0.55
1.40
0.50
0.08
0.90
Max
2.12
2.62
1.08
Min
1.88
2.38
0.92
Min
0.074
0.094
0.036
0.079
0.098
0.039
0.022
0.022
0.055
0.020
0.003
0.035
0.083
0.103
0.043
A
B
C
D
E
F
G
H
I
PCB Footprint
Case Material
Materials
Solder Pad
Plating
0.3 to 1.0 µm Gold over 1.27 to 8.89 µm Nickel
Lid Plating
Body
2.0 to 3.0 µm Nickel
Al O Ceramic
2
3
Pb Free
TOP VIEW
BOTTOM VIEW
F
B
C
D
4
5
5
4
E
1
A
1
G
I
3
2
3
2
H
www.RFM.com E-mail: info@rfm.com
©2010 by RF Monolithics, Inc.
Page 4 of 5
SF2235G - 6/8/10
Reel Dimension
Tape Dimension
www.RFM.com E-mail: info@rfm.com
©2010 by RF Monolithics, Inc.
Page 5 of 5
SF2235G - 6/8/10
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