Ceramic Resonators (Chip Type)
Ceramic Resonators, Chip Type
(Built-In Capacitors Type)
Type:
JC
( 16 to 50 MHz)
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Features
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Low Profile Type (1.2 mm maximum in thickness)
Designed for lead free soldering
Wide Oscillation Frequency : 16 to 50 MHz
High reliability against soldering heat and mechanical
stress
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Contributes simplification of oscillation circuits and
reduces the numbers of circuit parts
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Recommended Applications
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Clock generator for microprocessers
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Carrier between telecommunication equipment
(Telephone to telephone, personal computer to
printer)
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Precautions for Safety
(See Page 218 to 219)
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Explanation of Part Numbers
E
F
J
C
2
0
0
5
5
B
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Ratings and Characteristics
Part Number
Bulk Pack
EFJC2505B5B
EFJC3205B5B
EFJC3385B5B
EFJC4005B5B
EFJC1695C5B
EFJC2005C5B
Embossed Taping
EFJC2505E5B
EFJC3205E5B
EFJC3385E5B
EFJC4005E5B
EFJC1695F5B
EFJC2005F5B
Oscillation
Frequency
(fo)
25.00 MHz ±0.5 %
32.00 MHz ±0.5 %
33.868 MHz ±0.5 %
40.00 MHz ±0.5 %
16.93 MHz ±0.5 %
20.00 MHz ±0.5 %
14 dB min.
10 dB min.
Maximum frequency drift
±0.2 %, Ð20 to 80 ¡C
8 pF
Loop Gain
(G)
Temperature
Characteristics
Built-in
Capacitors
(Reference)
16 pF
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Operating Temperature Range: Ð20 to 80 ûC
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Frequency Drift : 0.3% max./10 years
Note:
Also available are types other than above standard products in the
frequency range of 16.0 to 50.0 MHz.
Ceramic Resonators (Chip Type)
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Dimensions in mm (not to scale)
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Bulk
[Type JC] EFJC111111B
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Embossed Taping
EFJC111111B
Thickness changes with
Products
(40 MHz : 0.90 mm)
Dim.
(mm)
Dim.
(mm)
A
2.3
P
2
B
2.8
P
0
W
8.0±0.2
fD
0
1.5
+0.1
0
F
3.5±0.1
t
1
0.35
E
1.75±0.1
t
2
1.65
P
1
4.0±0.1
fC
1.0
2.0±0.1 4.0±0.1
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Test Circuits Diagram
For Oscillation Circuit
For Loop Gain
IC
:
µPD 74HCU04
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Typical Characteristics
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Recommended Land Dimensions
[Type JC]
a
b
c
d
Type JC
1.0
0.5
2.0
0.8
(mm)
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Packaging Specifications
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Standard Packing Quantity
Type
JC
Supplied in bulk or taped & reel packing style
Embossed Taping
3000 pcs./reel
Bulk
500 pcs./bag
[Type JC]
Dim.
(mm)
Dim.
(mm)
fA
180±5
W
9.0
+1.0
Ð0.5
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Dimensions for Reel in mm (not to scale)
fB
60 min.
T
14.0 max.
C
13±0.2
t
2.5 max.
D
21±0.8
r
1.0
E
2.0±0.5
Embedded System
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