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ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM

SAW RESONATORS

SAW RESONATORS

ø 9.5 Max.

ø 0.45

1

2

3

From 50

Ω

Network

Analyzer

LTEST

12

3

To 50

Ω

Network

Analyzer

The ECS-DR2 Series are 2-port 180˚ SAW

(Surface Acoustic Wave) resonators in a

thru-hole TO39-3A package. They offer a

fundamental mode, quartz frequency and

are ideal for remote control and wireless

security transmitters.

FEATURES

• Quartz Stability

• 180˚ nominal insertion phase at resonance

• Ideal for wireless security and

remote control applications

• PbFree/RoHS Compliant

TWO-PORT 180˚ SAW RESONATOR

PART NUMBERING GUIDE

- ECS SERIES

FREQUENCY (433.92 MHz)

ECS-DR2

–

4339

PACKAGE DIMENSIONS (mm)

OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS

PARAMETERS

SYMBOL/NOTES

DR2-3100

DR2-3150

DR2-4073

DR2-4180

DR2-4339

UNITS

CENTER FREQUENCY

310.0 ±0.1

315.0 ±0.075

407.3 ±0.1

418.0 ±0.075

433.92 ±0.075

MHz

INSERTION LOSS

IL

10.0

10.0

10.0

10.0

10.0

dB Max.

UNLOADED Q

12,000

12,000

12,000

12,000

12,000

50 Ohms LOADED Q

7,000

7,000

5,500

5,500

5,500

TURNOVER TEMPERATURE

15/45

15/45

15/45

15/45

15/45

˚C

FREQ. TEMP. COEFFICIENT

FTC

0.037

0.037

0.037

0.037

0.037

ppm/˚C

FREQUENCY AGING

< ±10

< ±10

< ±10

< ±10

< ±10

ppm/year

DC INSULATION RESISTANCE

Between any 2 pins

>1

>1

>1

>1

>1

MΩ

MAX. DC VOLTAGE

Between any 2 pins

10

10

10

10

30

VDC

PIN 1-TO-2 STATIC CAPACITANCE

1.4 ±0.3

1.4 ±0.3

1.4 ±0.3

1.4 ±0.3

1.3 ±0.3

pF

OPERATING TEMPERATURE

-40 to +85

-40 to +85

-40 to +85

-40 to +85

-40 to +85

˚C

STORAGE TEMPERATURE

-40 to +85

-40 to +85

-40 to +85

-40 to +85

-40 to +85

˚C

CASE

TO-39-3A

TO-39-3A

TO-39-3A

TO-39-3A

TO-39-3A

Figure 1) ECS-DR2 - Top, Side and Bottom views

Figure 2) Test Circuit

NO.

FUNCTION

1

INPUT

2

OUTPUT

3

GROUND