ACTR4024 datasheet(2/5 Pages) ACT

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Electrical Characteristics

Characteristic

Sym

Minimum

Typical

Maximum

Unit

Absolute Frequency

433.345

433.495

MHz

Center Frequency

(+25℃)

Tolerance from 433.420 MHz

kHz

Insertion Loss

1.6

2.0

Unloaded Q

9,900

Quality Factor

 Loaded Q

1,650

Turnover Temperature

℃

Turnover Frequency

kHz

Temperature

Stability

Frequency Temperature Coefficient

FTC

0.032

ppm/℃2

Frequency Aging

Absolute Value during the First Year

|fA|

≤

ppm/yr

DC Insulation Resistance Between Any Two Terminals

1.0



Motional Resistance



Motional Inductance

72.7439

H

Motional Capacitance

1.8555

RF Equivalent

RLC Model

Shunt Static Capacitance

1.80

2.10

2.40

RoHS Compliant

Electrostatic Sensitive Device

NOTE:

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

The center frequency, fC, is measured at the minimum insertion loss point with the resonator in the 50Ω test system.

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.

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].

This equivalent RLC model approximates resonator performance near the resonant frequency and is provided for

reference only. The capacitance CO is the static capacitance between the two terminals measured at low frequency

(10MHz) with a capacitance meter. The measurement includes case parasitic capacitance.

Test Circuit

Temperature Characteristics

- 2 -

Issue 1 / C1u

Date 2-6-2011

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