Ceramic Resonators (Type EC)
Ceramic Resonators
(Built-In Capacitor Type)
Type:
EC
(2.0 to 50.0 MHz)
Ceramic Resonator, Built-In Capacitor Type, includes
two capacitors constructing “Colpitts oscillation circuits”.
■
Features
●
Wide range of oscillation frequency: 2.0 to 50 MHz
●
No need for capacitors in oscillation circuit
●
High accuracy, high stability
Initial frequency tolerance: ±0.3 to 0.5 %
●
Excellent temperature characteristics (Nominal Freq.:
3.58 to 50 MHz)
Frequency drift: ±0.1 % max. –10 to 60 °C
●
Saves height on P.C. board (Height: 5 mm max.)
●
Taped version is available for automatic insertion
●
RoHS compliant
■
Recommended Applications
●
Clock pulse generator for micro-processors
●
Carrier between telecommunication equipment
(telephone to telephone, personal computer to printer)
■
Handling Precautions
(See Page 187 to 188)
■
Packaging Specifications
See Page 208
■
Explanation of Part Numbers
1
2
3
4
5
6
7
8
9
10
11
12
E
F
O
E
C
Design No.
Product Code
EFO Ceramic Resonators
Type
EC Built-In Capacitors Type
(Case Type with 3 Terminals)
Nominal Oscillation
Frequency
4004
2005
4.0 MHz
20.0 MHz
(Example)
Packaging Style
A
Bulk Pack
T
Taping
S
Lead Forming
Frequency
Tolerance
3
4
5
±0.3
%
±0.5
%
±1.0
%
■
Ratings and Characteristics
Part Number
Bulk Pack
EFOEC2004A5
EFOEC3584A4
EFOEC4004A4
EFOEC4194A4
EFOEC5004A4
EFOEC6004A4
EFOEC8004A4
EFOEC1005A4
EFOEC2005A4
EFOEC3385A4
Taping
EFOEC2004T5
EFOEC3584T4
EFOEC4004T4
EFOEC4194T4
EFOEC5004T4
EFOEC6004T4
EFOEC8004T4
EFOEC1005T4
EFOEC2005T4
EFOEC3385T4
Oscillation
Frequency
2.00 MHz ±1.0 %
3.58 MHz ±0.5 %
4.00 MHz ±0.5 %
12 dB
4.19 MHz ±0.5 %
5.00 MHz ±0.5 %
6.00 MHz ±0.5 %
10 dB
8.00 MHz ±0.5 %
10.00 MHz ±0.5 %
20.00 MHz ±0.5 %
33.868 MHz ±0.5 %
6 dB
14 dB
8 dB
Maximum frequency drift:
±0.1 %, –10 to 60 °C
(±0.2 %, –20 to 80 °C)
Loop Gain
(G)
14 dB
Temperature
Characteristics
Maximum Frequency drift:
±0.6 %, –10 to 60 °C
(±1.0 %, –20 to 80 °C)
●
Operating Temperature Range: –20 to 80 °C
●
Frequency Drift: 0.3 % max./10 years
Note : If customer used other frequency, please ask us separately.
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.
Feb. 2006
Ceramic Resonators (Type EC)
■
Test Circuit Diagram
For Oscillation Circuit
+5 V
IC
+5 V
For Loop Gain
IC
14
13
11
9
14
13
11
9
1
2
1M
3
4
5
7
IN
0.01
1
2
1M
3
4
5
7
Frequency Counter
T.G.
Output
=
–
20 dBm
V
1
G=20 log (V
0
/ V
1
)
Ceramic
Resonator
OUT
FET probe
V
0
10 M min.
2 pF max.
Ceramic Resonator
Frequency
IC
2.00 to 12.9 MHz µPD 4069UBC or similar
13 to 50 MHz
µPD 74HCU04 or similar
■
Dimensions in mm (not to scale)
Bulk Pack
EFOEC
A
Type
3.5 min. 5.0 max.
4000 A
Date code
1.0 max.
8.5 max.
8000 A
5.0 max.
Lead Forming
EFOEC
S
Oscillation Frequency(kHz)
T
+0.4
Oscillation Frequency(kHz)
Date code
1.0 max.
Resin
3-
f
0.50±0.05
(2.5) (2.5)
5.0±0.4
8.5 max.
0
– 0.1
Ground Terminations
2-2.5±0.3
Ground Terminations
3-
f
0.50±0.05
■
Dimensions for Taping in mm (not to scale)
EFOEC
T
P
Dimensions
∆h
1
0
∆h
2
P
P
0
W
W
0
H
0
fD
0
F
12.7±1.0
12.7±0.3
18.0±1.0
6.0 min.
18.5±0.5
4.0±0.2
5.0±0.4
1.5 max.
2.0 max.
A
B
C
B
A
C
F
W
0
H
0
W
1.5±0.5
T
Resin
Dimensions
½
160 to 170
40 to 45
330
P
0
f
D
0
t
0
t
0
∆h
1
,
∆h
2
■
Typical Characteristics (EFOEC4004A4)
Temperature Characteristics
0.4
Oscillation Frequency Drift (%)
½Tolerance:
±3 mm
0.2
●
Standard Packing Quantity
Taping Pack
Bulk Pack
4000 pcs./box
1000 pcs./box
0
–
0.2
–
0.4
–
20
0
20
40
60
80
Temperature (
˚c
)
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.
Feb. 2006
MicroPython Open Source section
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