Ceramic Resonators (Type EC)
Ceramic Resonators
(Built-In Capacitor Type)
Type:
(2.0 to 50.0 MHz)
EC
Ceramic Resonator, Built-In Capacitor Type, includes
two capacitors constructing “Colpitts oscillation circuits”.
■ Features
■ Recommended Applications
● Wide range of oscillation frequency: 2.0 to 50 MHz
● No need for capacitors in oscillation circuit
● High accuracy, high stability
● Clock pulse generator for micro-processors
● Carrier between telecommunication equipment
(telephone to telephone, personal computer to printer)
±
Initial frequency tolerance: 0.3 to 0.5 %
● Excellent temperature characteristics (Nominal Freq.:
(See Page 187 to 188)
■ Handling Precautions
3.58 to 50 MHz)
±
–
°C
Frequency drift: 0.1 % max. 10 to 60
■ Packaging Specifications
● Saves height on P.C. board (Height: 5 mm max.)
● Taped version is available for automatic insertion
● RoHS compliant
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.
Type
Nominal Oscillation
Frequency
Frequency
Tolerance
Product Code
Packaging Style
Bulk Pack
A
T
S
EFO Ceramic Resonators
EC Built-In Capacitors Type
(Case Type with 3 Terminals)
4004
2005
4.0 MHz
3
0.3 %
0.5 %
1.0 %
Taping
20.0 MHz
4
5
Lead Forming
(Example)
Ratings and Characteristics
■
Part Number
Oscillation
Frequency
Loop Gain
(G)
Temperature
Characteristics
Bulk Pack
Taping
Ma ximum Frequency drift:
± 0.6 %, –10 to 60 °C
(±1.0 %, –20 to 80 °C)
EFOEC2004A5
EFOEC3584A4
EFOEC4004A4
EFOEC4194A4
EFOEC5004A4
EFOEC6004A4
EFOEC8004A4
EFOEC1005A4
EFOEC2005A4
EFOEC3385A4
EFOEC2004T5
EFOEC3584T4
EFOEC4004T4
EFOEC4194T4
EFOEC5004T4
EFOEC6004T4
EFOEC8004T4
EFOEC1005T4
EFOEC2005T4
EFOEC3385T4
2.00 MHz ±1.0 %
3.58 MHz ± 0.5 %
4.00 MHz ± 0.5 %
4.19 MHz ± 0.5 %
5.00 MHz ± 0.5 %
6.00 MHz ± 0.5 %
8.00 MHz ± 0.5 %
10.00 MHz ± 0.5 %
20.00 MHz ± 0.5 %
33.868 MHz ± 0.5 %
14 dB
12 dB
Maximum frequency drift:
± 0.1 %, –10 to 60 °C
(± 0.2 %, –20 to 80 °C)
10 dB
6 dB
14 dB
8 dB
Note : If customer used other frequency, please ask us separately.
–
°C
● Operating Temperature Range: 20 to 80
● Frequency Drift: 0.3 % max./10 years
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