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RO3075E-1

更新时间： 2024-11-21 20:46:11
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 275K
描述
1-Port Saw Resonator,

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中文翻译

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RO3075E-1 技术参数

生命周期：End Of LifeReach Compliance Code：unknown
Factory Lead Time：20 weeks风险等级：5.61
其他特性：TR, 7/13 INCH晶体/谐振器类型：1-PORT
频率稳定性：0.0205%频率容差 (MHz)：0.05
插入损耗：2.2 dB安装特点：SURFACE MOUNT
标称工作频率：345 MHz最高工作温度：105 °C
最低工作温度：-40 °C并联电容：4.25 pF
物理尺寸：L3.13XB3.13XH1.38 (mm)/L0.123XB0.123XH0.054 (inch)表面贴装：YES
Base Number Matches：1

RO3075E-1 数据手册

 浏览型号RO3075E-1的Datasheet PDF文件第2页 
RoHS Compliance  
This component is compliant  
with RoHS directive.  
This component was always  
RoHS compliant from the first  
date of manufacture.  
RO3075E-1  
•
•
•
Ideal for 345 MHz Automotive-Keyless-Entry Transmitters  
Very Low Series Resistance  
Quartz Stability  
345.0 MHz  
The RO3075E-1 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 345 MHz. The RO3075E-1 is designed for wireless remote control and security transmitters  
operating in the USA under FCC Part 15.  
SAW Resonator  
Absolute Maximum Ratings  
Rating  
Value  
Units  
Input Power Level  
0
dBm  
VDC  
°C  
DC Voltage  
12  
Storage Temperature Range  
Operating Temperature Range  
Soldering Temperature (10 seconds / 5 cycles max.)  
-40 to +125  
-40 to +105  
260  
SM3030-6 Case  
3.0 X 3.0  
°C  
°C  
Characteristic  
Sym  
Notes  
Minimum  
Typical  
Maximum  
Units  
MHz  
fC  
fC  
IL  
344.950  
345.050  
Frequency (+25 °C)  
Absolute Frequency  
2, 3, 4, 5  
2, 5, 6  
Tolerance from 345.0 MHz  
±50  
2.2  
kHz  
dB  
Insertion Loss  
Quality Factor  
1.4  
27000  
4200  
25  
QU  
QL  
TO  
fO  
Unloaded Q  
50W Loaded Q  
Temperature Stability  
Turnover Temperature  
Turnover Frequency  
10  
35  
°C  
fC  
6, 7, 8  
ppm/°C2  
ppm/yr  
Frequency Temperature Coefficient  
Absolute Value during the First Year  
FTC  
|fA|  
0.032  
10  
Frequency Aging  
1, 6  
5
DC Insulation Resistance between Any Two Terminals  
1.0  
M  
RM  
LM  
RF Equivalent RLC Model  
Motional Resistance  
Motional Inductance  
Motional Capacitance  
Shunt Static Capacitance  
18  
240  
0.9  
4.3  
50  
5, 7, 9  
µH  
fF  
CM  
CO  
5, 6, 9  
2, 7  
pF  
nH  
LTEST  
Test Fixture Shunt Inductance  
Lid Symbolization  
743 // YWWS  
500 Pieces / Reel  
3000 Pieces / Reel  
Reel Size 7 Inch  
Reel Size 13 Inch  
StandardReelQuantity  
10  
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.  
7.  
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)  
Aging may exceed the specification for prolonged temperatures above +65°C.  
Typically, aging is greatest the first year after manufacture, decreasing in  
subsequent years.  
8.  
frequency, fO. The nominal frequency at any case temperature, TC, may be  
The center frequency, fC, is measured at the minimum insertion loss point, ILMIN  
,
calculated 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  
resonant frequency and is provided for reference only. The capacitance CO is  
the static (nonmotional) capacitance between the two terminals measured at low  
frequency (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.  
with the resonator in the 50 test system (VSWR 1.2:1). The shunt  
inductance, LTEST, is tuned for parallel resonance with CO at fC. Typically,  
9.  
fOSCILLATOR or fTRANSMITTER is approximately equal to the resonator fC.  
3.  
4.  
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  
government approval, which is the responsibility of the equipment manufacturer.  
Unless noted otherwise, case temperature TC = +25°C±2°C.  
5.  
6.  
The design, manufacturing process, and specifications of this device are subject  
to change without notice.  
10. Tape and Reel Standard Per ANSI / EIA 481.  
Copyright © Murata Manufacturing Co., Ltd. All rights reserved. 2004  
RO3075E-1 (R) 4/18/19 Page 1 of 2  
www.murata.com  
12

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