Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.

Should a safety concern arise regarding this product, please be sure to contact us immediately.

Ceramic Resonators, Chip Type

– EC168 –

(3.90)

(3.10)

3–(0.80)

2–1.60

±0.20

6–R(0.20)

+0.30

–0.20

3.60

+0.50

–0.20

4.40

Serial No.

Oscillating Frequency

Terminal

Electrodes

4.10

±0.20

(2.40)

6–R(0.20)

(3.70)

2.90

±0.30

3–(0.80)

2–1.35

±0.20

Serial No.

Oscillating Frequency

Terminal

Electrodes

3-0.8

1.351.35

3-0.7 to 1.0

1.6 1.6

Ceramic Resonator

+5V

14 13

11

9

7

5

2

For Oscillation Circuit

Frequency Counter

1M

3

1

IC

4

Ceramic Resonator

+5V

14 13

11

9

7

5

2

For Loop Gain

1M

1

IN

0.01

G=20 log (V0/ V1)

V0

V1

OUT

FET probe

10 M

min.

2pF max.

T.G.

Output

=–20dBm

IC

4

3

[Type EFOJM]

[Type EFOBM]

[Type EFOJM]·····16.0 to 20.0, 30.0 to 50.0 MHz

Recommended Land Dimensions

[Type EFOBM]·····12.0 to 20.0 MHz

Frequency

IC

2.00 to 8.39 MHz

µPD4069UBC,

TC4069UBP

or similar

8.40 to 50.0 MHz

µPD74HCU,

TC74 HCU04AP

or similar

01 Feb. 2009