RO2073A-6 RFM, RO2073A-6 Datasheet

RO2073A-6

Manufacturer Part Number

RO2073A-6

Description

RESONATOR 315 MHZ SMD

Manufacturer

RFM

Series

RO2073A-6r

Type

SAWr

Datasheet

1.RO2073A-6.pdf (2 pages)

Specifications of RO2073A-6

Frequency

315MHz

Features

without Capacitor

Frequency Stability

±0.032ppm

Frequency Tolerance

±50kHz

Operating Temperature

-40°C ~ 85°C

Mounting Type

Surface Mount

Package / Case

4-SMD

Size / Dimension

0.236" L x 0.158" W (6.00mm x 4.00mm)

Height

0.090" (2.29mm)

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Other names

Q4809195
R02073A-6

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Download datasheet (134Kb)

Electrical Characteristics

www.RFM.com

• Ideal for 315.0 MHz Automotive-Keyless-Entry Transmitters

• Very Low Series Resistance

• Quartz Stability

• Surface-Mount Ceramic Case with 21 mm

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

The RO2073A-6 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 315.0 MHz. This SAW is designed for AM transmitters in automotive keyless-entry applications

operating in the USA under FCC Part 15, in Canada under DoC RSS-210, and in Italy.

Absolute Maximum Ratings

Rating

CW RF Power Dissipation (See: Typical Test Circuit)

DC voltage Between Terminals

Case Temperature

Soldering Temperature (10 seconds / 5 cycles max.)

Characteristic

Center Frequency (+25 °C)

Insertion Loss

Quality Factor

Temperature Stability

Frequency Aging

DC Insulation Resistance between Any Two Terminals

RF Equivalent RLC Model

Test Fixture Shunt Inductance

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

Frequency aging is the change in f

+65°C. Typically, aging is greatest the first year after manufacture, decreasing in subsequent years.

The center frequency, f

inductance, L

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 T

The design, manufacturing process, and specifications of this device are subject to change without notice.

Derived mathematically from one or more of the following directly measured parameters: f

Turnover temperature, T

calculated from: f = f

This equivalent RLC model approximates resonator performance near the resonant frequency and is provided for reference only. The capacitance C

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: C

Notes:

CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.

E-mail: info@rfm.com

TEST

, is tuned for parallel resonance with C

[1 - FTC (T

, is measured at the minimum insertion loss point, IL

, is the temperature of maximum (or turnover) frequency, f

≈ C

Absolute Frequency

Tolerance from 315.000 MHz

Unloaded Q

50 Ω Loaded Q

Turnover Temperature

Turnover Frequency

Frequency Temperature Coefficient

Absolute Value during the First Year

Motional Resistance

Motional Inductance

Motional Capacitance

Shunt Static Capacitance

- 0.05 pF.

-T

with time and is specified at +65°C or less. Aging may exceed the specification for prolonged temperatures above

)

]. Typically oscillator T

= +25°C±2°C.

Footprint

at f

. Typically, f

is approximately equal to the specified resonator T

Sym

FTC

TEST

∆f

-40 to +85

Value

±30

260

OSCILLATOR

MIN

, with the resonator in the 50 Ω test system (VSWR ≤ 1.2:1). The shunt

Notes

2,3,4,5

5, 7, 9

5, 6, 9

2,5,6

5,6,7

6,7,8

2, 7

. The nominal frequency at any case temperature, T

or f

TRANSMITTER

, IL, 3 dB bandwidth, f

Units

Minimum

dBm

VDC

314.950

°C

1.0

2.0

is approximately equal to the resonator f

164

Typical

127.450

2.00299

15,300

2,100

0.032

≤10

110

1.3

2.3

RO2073A-6

Resonator

versus T

315.0 MHz

Maximum

SM-2 Case

SAW

315.050

±50

, and C

2.2

2.6

RO2073A-6 - 1/7/10

ppm/°C

Page 1 of 2

ppm/yr

Units

, may be

MHz

kHz

MΩ

µH

°C

Ω

Related parts for RO2073A-6

RO2073A-6 Summary of contents

Page 1

... Surface-Mount Ceramic Case with 21 mm • Complies with Directive 2002/95/EC (RoHS) The RO2073A 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 315.0 MHz. This SAW is designed for AM transmitters in automotive keyless-entry applications operating in the USA under FCC Part 15, in Canada under DoC RSS-210, and in Italy ...

Page 2

... K 0.43 0.59 0.017 M 5.08 5.33 0.200 N 0.38 0.64 0.015 P 3.05 3.30 0.120 + 0.05 pF *Case Parasitics -50 -100 -150 -200 0 +20 +40 +60 + ° Inches Max 0.236 0.157 0.090 0.043 0.047 0.060 0.043 0.023 0.023 0.210 0.025 0.130 Page RO2073A-6 - 1/7/10 ...

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