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RO3156A-3

更新时间： 2024-10-02 15:49:55
品牌 Logo 应用领域
村田 - MURATA 晶体谐振器
页数 文件大小 规格书
2页 67K
描述
1-PORT SAW RESONATOR, 868.95 MHz, ROHS COMPLIANT, CERAMIC, CASE SM5035-4

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RO3156A-3 技术参数

生命周期：Obsolete包装说明：ROHS COMPLIANT, CERAMIC, CASE SM5035-4
Reach Compliance Code：unknown风险等级：5.84
晶体/谐振器类型：1-PORT频率容差 (MHz)：0.075
插入损耗：2 dB安装特点：SURFACE MOUNT
标称工作频率：868.95 MHz并联电容：2.05 pF
物理尺寸：L5.13XB3.63XH1.6 (mm)/L0.202XB0.143XH0.063 (inch)表面贴装：YES
Base Number Matches：1

RO3156A-3 数据手册

 浏览型号RO3156A-3的Datasheet PDF文件第2页 
RO3156A-3  
•
•
•
Ideal for European 868.95 MHz Transmitters  
Very Low Series Resistance  
Quartz Stability  
Surface-Mount Ceramic Case with 21 mm2 Footprint  
Complies with Directive 2002/95/EC (RoHS)  
868.95 MHz  
SAW  
•
•
The RO3156A-3 is a true one-port, surface-acoustic-wave (SAW) resonator in a surface-mount ceramic  
case. It provides reliable, fundamental-mode, quartz frequency stabilization of fixed-frequency transmitters  
operating at 868.95 MHz. This SAW is designed specifically for remote-control and wireless security trans-  
mitters operating under ETSI-ETS 300 220 in Europe and under FTZ 17 TR 2100 in Germany.  
Resonator  
Absolute Maximum Ratings  
Rating  
Value  
+5  
Units  
dBm  
VDC  
°C  
CW RF Power Dissipation  
DC Voltage Between Terminals  
Case Temperature  
±30  
-40 to +85  
260  
SM5035-4  
Soldering Temperature (10 seconds / 5 cycles max.)  
°C  
Electrical Characteristics  
Characteristic  
Frequency (+25 °C) Nominal Frequency  
Tolerance from 868.95 MHz  
Sym  
Notes  
Minimum  
Typical  
Maximum  
869.025  
±75  
Units  
MHz  
kHz  
dB  
f
868.875  
C
2,3,4,5  
∆f  
C
Insertion Loss  
IL  
2,5,6  
5,6,7  
1.2  
7500  
700  
25  
2.0  
Q
Quality Factor  
Unloaded Q  
U
Q
T
50 Ω Loaded Q  
L
Temperature Stability  
Turnover Temperature  
10  
40  
°C  
kHz  
O
f
f
Turnover Frequency  
6,7,8  
O
C
2
Frequency Temperature Coefficient  
Absolute Value during the First Year  
FTC  
|fA|  
0.032  
<±10  
ppm/°C  
Frequency Aging  
1
5
ppm/yr  
MΩ  
Ω
DC Insulation Resistance between Any Two Terminals  
1.0  
R
RF Equivalent RLC Model  
Motional Resistance  
Motional Inductance  
Motional Capacitance  
Shunt Static Capacitance  
10.2  
14.0  
2.0  
M
L
5, 6, 7, 9  
µH  
M
C
fF  
M
C
5, 6, 9  
2, 7  
2.1  
pF  
O
L
Test Fixture Shunt Inductance  
14.3  
nH  
TEST  
Lid Symbolization (in addition to Lot and/or Date Codes)  
808 // YWWS  
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.  
Notes:  
1.  
2.  
Frequency aging is the change in fC with time and is specified at +65°C or less.  
to change without notice.  
Derived mathematically from one or more of the following directly measured  
parameters: fC, IL, 3 dB bandwidth, fC versus TC, and CO.  
Turnover temperature, TO, is the temperature of maximum (or turnover) fre-  
quency, fO. The nominal frequency at any case temperature, TC, may be calcu-  
7.  
8.  
Aging may exceed the specification for prolonged temperatures above +65°C.  
Typically, aging is greatest the first year after manufacture, decreasing in subse-  
quent years.  
The center frequency, fC, is measured at the minimum insertion loss point, ILMIN  
,
with the resonator in the 50 Ω test system (VSWR ≤ 1.2:1). The shunt induc-  
lated from: f = fO [1 - FTC (TO -TC)2]. Typically oscillator TO is approximately  
equal to the specified resonator TO.  
This equivalent RLC model approximates resonator performance near the reso-  
nant frequency and is provided for reference only. The capacitance CO is the  
static (nonmotional) capacitance between the two terminals measured at low fre-  
quency (10 MHz) with a capacitance meter. The measurement includes parasitic  
capacitance with "NC” pads unconnected. Case parasitic capacitance is  
approximately 0.05 pF. Transducer parallel capacitance can by calculated as:  
CP ≈ CO - 0.05 pF.  
tance, LTEST, is tuned for parallel resonance with CO at fC. Typically, fOSCILLA-  
TOR or fTRANSMITTER is approximately equal to the resonator fC.  
One or more of the following United States patents apply: 4,454,488 and  
4,616,197.  
Typically, equipment utilizing this device requires emissions testing and govern-  
ment approval, which is the responsibility of the equipment manufacturer.  
Unless noted otherwise, case temperature TC = +25°C±2°C.  
9.  
3.  
4.  
5.  
6.  
The design, manufacturing process, and specifications of this device are subject  
www.RFM.com E-mail: info@rfm.com  
©2008 by RF Monolithics, Inc.  
Page 1 of 2  
RO3156A-3 - 9/24/08  
12

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