FUJITSU SEMICONDUCTOR
DATA SHEET
DS07-10205-1E
Resonator
Piezoelectric Resonator
(4 to 20 MHz)
FAR Family (C3 series M/N type)
s
DESCRIPTION
The features of the C3 series (M,N Type) resonators are compact and high stability. They are fabricated on a
lithium tantalate (LitaO
3
) substrate, producing resonators with ultra compact and superior stability due to the
high electromechanical coupling coefficient of the material.
They include two loading capacitors inside and are housed in chip type of package for surface mount. These
contribute saving mount space and reducing cost.
s
FEATURES
•
•
•
•
•
•
High stability (Overall frequency deviation; 0.10% max)
Ultra small package
Wide frequency range in 4 MHz to 20 MHz
Suitable for microcomputer clock
Emboss-typed pack for automatic mounting
Superior shock and vibration resistance, preventing damage during automatic mounting
s
PACKAGE
F
4.00
FH
16.0FH
F
FAR Family (C3 series M/N type)
s
STANDARD CHARACTERISTICS
Series
Item
Material
Frequency
Standard frequency
Initial frequency deviation
C3 series
Lithium Tantalate (LiTaO
3
)
4 MHz to 20 MHz
See “s Standard Frequency.”
+0.025%
(F),
±0.05%
(G)
–0.035%
+0.035%
–0.025%
(Within –10°C to +60°C)
20
±8
pF (Standard)
±0.1%
(J) and
±
0.3% (K) are also
available upon request.
Reference temperature: +25°C
Remarks
Temperature characteristics
Capacity of built-in capacitor
10
±4
pF are also available.
Capacity is specified by Fujitsu,
considering matching data with
applied IC (mainly microcomputer).
Operating temperature
Storage temperature
Standard measuring circuit
–30°C to +85°C
–40°C to +100°C
• Oscillation frequency
1 MΩ
R
Microcomputer
1/6MC74ACO4
×
2
(4 MHz to 8 MHz)
1/6TC74ACO4
×
2
(8 MHz to 20 MHz)
•
V
CC
= 5.0 V DC
•
R: Resonator
•
C
1
, C
2
: Loading capacitors (built-in)
C
1
C
2
FAR
• Serial resonant resistance
R
75
Ω
OSC
C
1
C
2
75
Ω
LM
R: Resonator
Measuring equipment: Spectrum analyzer
2
FAR Family (C3 series M/N type)
s
STANDARD FREQUENCY
Standard frequency (kHz)
4,000
4,194
6,000
8,000
10,000
12,000
16,000
16,934
20,000
Package size
M
Resonant resistance
300
Ω
max.
(Symbol: 0)
N
150
Ω
max.
(Symbol: 1)
Notes:
• Fujitsu can also develop another frequency device besides standard devices within 4 MHz to 20 MHz.
• Regarding resonant resistance, maximum standard values are specified depending on frequency.
s
NOTES ON USE
• Handle carefully.
• Solder heat resistance.
5 seconds max. at +230°C (on PCB)
Recommended preheating is +150°C for one minute for avoiding giving extreme heat fluctuation to resonator.
• Avoid using resonator under condition of extreme temperature fluctuation.
• There is no specific direction in resonator mounting.
• Oscillation data must be considered in case that this resonator is used as microcomputer clock.
• Resonator is designed for reflow solder, not for flow solder.
3
FAR Family (C3 series M/N type)
s
PART NUMBERING SYSTEM
FAR — C 3 C
—
(1) (2) (3)
—
(4)
—
(5) (6) (7) (8) (9)
(1) Series
Series
C3
(2) Package type
Symbol
C
(3) Package size
Symbol
M
N
(4) Oscillation frequency
Frequency is specified with 5-digit in kHz of unit.
Frequency
[Example] 8.000 MHz
See “s Standard Frequency.”
(5) Initial frequency deviation
Symbol
F
G
J
K
(6) Built-in capacitors
Symbol
0
1
Capacitor
20
±8
pF
10
±4
pF
Deviation
+0.025%
–0.035%
±0.05%
±0.1%
±0.3%
Symbol
08000
Size
4.5
×
10.0
×
2.0 mm (4.0 MHz to 5.9 MHz)
3.2
×
8.0
×
1.6 mm (6.0 MHz to 20.0 MHz)
Type
Chip
Material
LiTaO
3
Capacitators
Built-in type
4
FAR Family (C3 series M/N type)
(7) Resonant resistance
Symbol
0
1
(8) Special mark
Symbol
Space
—
H to Z
(9) Taping specification
Symbol
R
Content
16 mm width emboss tape (3,000 pcs/reel)
Content
Standard device, no taping specification
Standard device, with Tape & Reel
Serial number for custom design
Resistance
300
Ω
max.
150
Ω
max.
5
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