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EFOS Datasheet, PDF (3/5 Pages) Panasonic Semiconductor – Ceramic Res o na tors, Chip Type (3 Array Type) RoHS compliant | |||
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â Dimensions in mm (not to scale)
Recommended Land Dimensions
[Type EFOBM]·····12.0 to 20.0 MHz
Oscillating Frequency
Serial No.
Terminal
Electrodes
(3.70)
(2.40)
4.10±0.20
2.90±0.30
6âR(0.20)
3â(0.80)
2â1.35±0.20
Ceramic Resonators, Chip Type
[Type EFOBM]
1.351.35
3-0.8
[Type EFOJM]·····16.0 to 20.0, 30.0 to 50.0 MHz
Oscillating Frequency
Serial No.
Terminal
Electrodes
(3.90)
(3.10)
4.40
+0.50
â0.20
3.60
+0.30
â0.20
6âR(0.20)
3â(0.80)
2â1.60±0.20
[Type EFOJM]
1.6 1.6
3-0.7 to 1.0
â Test Circuits Diagram
For Oscillation Circuit
+5 V
IC 14 13
11
9
For Loop Gain
+5 V
IC 14 13
11
9
123 4 5 7
1 MÈ
0.01
IN
V1
Frequency Counter T.G.
Output
=â 20dBm
Ceramic Resonator
123
1 MÈ
45 7
G=20 log (V0/ V1)
OUT
FET probe
V0 10 MÈ min.
2 pF max.
Ceramic Resonator
Frequency
2.00 to 8.39 MHz
8.40 to 50.0 MHz
IC
µPD4069UBC,
TC4069UBP
or similar
µPD74HCU,
TC74 HCU04AP
or similar
Design and speciï¬cations are each subject to change without notice. Ask factory for the current technical speciï¬cations before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
â EC168 â
01 Feb. 2009
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