RO3101A-1 datasheet(1/2 Pages) MURATA

Part #	RO3101A-1

Description	Ideal for European 433.92 MHz Transmitters

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Manufacturer	MURATA [Murata Manufacturing Co., Ltd.]

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RO3101A-1 (R) 4/3/14

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Electrical Characteristics

Characteristic

Sym

Notes

Minimum

Typical

Maximum

Units

Center Frequency, +25 °C

Absolute Frequency

fC

2,3,4,5

433.870

433.970

MHz

Tolerance from 433.920 MHz

fC

±50

kHz

Insertion Loss

IL

2,5,6

1.5

2.2

dB

Quality Factor

Unloaded Q

QU

5,6,7

9000

50

Loaded Q

QL

1458

Temperature Stability

Turnover Temperature

TO

6,7,8

10

25

40

°C

Turnover Frequency

fO

fC

Frequency Temperature Coefficient

FTC

0.032

ppm/°C2

Frequency Aging

Absolute Value during the First Year

|fA|

1

10

ppm/yr

DC Insulation Resistance between Any Two Terminals

5

1.0

M



RF Equivalent RLC Model

Motional Resistance

RM

5, 7, 9

19.4



Motional Inductance

LM

63.8

µH

Motional Capacitance

CM

2.11

fF

Shunt Static Capacitance

CO

5, 6, 9

2.4

pF

Test Fixture Shunt Inductance

LTEST

2, 7

55.1

nH

Lid Symbolization (in addition to Lot and/or Date Codes)

745 // YWWS

• Ideal for European 433.92 MHz Transmitters

• Very Low Series Resistance

• Quartz Stability

• Surface-mount Ceramic Case

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

The RO3101A-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 433.92 MHz. This SAW is designed specifically for remote-control and wireless security

transmitters operating in Europe under ETSI I-ETS 300 220.

Absolute Maximum Ratings

Rating

Value

Units

CW RF Power Dissipation (See: Typical Test Circuit)

+0

dBm

DC Voltage Between Terminals (Observe ESD Precautions)

±30

VDC

Case Temperature

-40 to +85

°C

Soldering Temperature (10 seconds / 5 cycles maximum)

260

°C

433.92 MHz

SAW

Resonator

RO3101A-1

CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.

NOTES:

1.

Frequency aging is the change in fC with time and is specified at +65 °C or

less. Aging may exceed the specification for prolonged temperatures

above +65 °C. Typically, aging is greatest the first year after manufacture,

decreasing in subsequent years.

2.

The center frequency, fC, is measured at the minimum insertion loss point,

ILMIN, 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, fOSCILLATOR or fTRANSMITTER is approximately equal to the

resonator fC.

3.

One or more of the following United States patents apply: 4,454,488 and

4,616,197.

4.

Typically, equipment utilizing this device requires emissions testing and

government approval, which is the responsibility of the equipment

manufacturer.

5.

Unless noted otherwise, case temperature TC = +25 ± 2 °C.

6.

The design, manufacturing process, and specifications of this device are

subject to change without notice.

7.

Derived mathematically from one or more of the following directly

measured parameters: fC, IL, 3 dB bandwidth, fC versus TC, and CO.

8.

Turnover temperature, TO, is the temperature of maximum (or turnover)

frequency, fO. The nominal frequency at any case temperature, TC, may be

calculated from: f = fO [1 - FTC (TO -TC)2]. Typically oscillator TO is

approximately equal to the specified resonator TO.

9.

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 -0.05pF.

10. Tape and Reel standard per ANSI / EIA 481.

SM5035-4

Pb

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