Crystal unit
SMALL CYLINDER LOW/MEDIUM-FREQUENCY
CRYSTAL UNIT
C-4-TYPE
• Photolithography finished allows uniform and stable
performance.
• Small and light weight. (ø1.5 x 6mm)
• Excellent shock resistance and environmental capability.
• Most suitable for pagers and card products like PCMCIA.
Actual size
Specifications (characteristics)
Symbol
Specifications
Remarks
Item
32.000 kHz to 120.000 kHz
192 kHz
f
Nominal frequency
Please refer to frequency list below
Storage temperature
Operating temperature
TSTG
TOPR
GL
DL
TSOL
∆f/f
θT
-20˚C to +70˚C
-10˚C to +60˚C
1.0µW max.
0.1µW typ.
Temperature
range
Maximum drive level
Recommended drive level (characteristics)
Soldering condition
Under 280˚C with in 5 sec.
±50ppm,±100ppm
Do not heat the package at more than 150˚C
Ta=25˚C, DL=0.1µW
Frequency tolerance (standard)
Peak temperature (frequency)
Temperature coefficient (frequency)
Load capacitance
25˚C ±5˚C
2
-0.04ppm/˚C max.
a
6pF to ∞
CL
Please specify
32 kHz ≤ f < 40 kHz: 55 kΩ max.
40 kHz ≤ f < 60 kHz: 30 kΩ max.
60 kHz ≤ f < 70 kHz: 25 kΩ max.
70 kHz ≤ f ≤ 100 kHz: 22 kΩ max.
100 kHz < f ≤ 120 kHz: 15 kΩ max.
192 kHz: 10 kΩ max.
R1
Series resistance
3.0fF max.
1.5pF max.
C1
C0
IR
fa
Motional capacitance
Shunt capacitance
Insulation resistance
Aging
500 MΩ min.
±5ppm/year max.
Ta=25˚C±3˚C, first year
Three drops on a hard board from 75 cm or excitation
test with 3000G x 0.3ms x 1/2 sine wave x 3 directions
±5ppm max.
Shock resistance
S.R.
Frequency example
(Unit: mm)
External dimensions
Frequency
26.6667 kHz
32.5600 kHz
36.8640 kHz
38.4000 kHz
44.7340 kHz
48.0000 kHz
75.0000 kHz
77.5030 kHz
76.8000 kHz
96.0000 kHz
153.6000 kHz
307.2000 kHz
38.4000 kHz
50.0000 kHz
76.8000 kHz
77.5030 kHz
192.0000 kHz
Type
CL Value
10.0pF, 11.0pF
7.0pF
B
D2
13.5pF
D1
10.0pF
10.0pF
C-2-TYPE
15.0pF
6.5pF, 9.0pF,20.0pF
10.0pF, 20.0pF
6.0pF, 10.0pF,11.0pF
6.0pF, 8.4pF,11.0pF
11.0pF
L1
L2
Model
C-2-TYPE
C-001R
L1
L2
D1
D2
B
6.0 max. 4.0 min. ø2.0 max.
8.0 max. 9.0 min. ø3.1 max.
6.0 max. 4.0 min. ø2.0 max.
5.0 max. 4.0 min. ø1.5 max.
4.6 max. 4.0 min. ø1.2 max.
5.0 max. 4.0 min. ø1.5 max.
ø0.2
ø0.3
ø0.2
ø0.2
ø0.15
ø0.2
0.7
1.1
0.7
0.5
0.3
0.5
11.0pF
C-002RX
C-004R
11.0pF
9.0pF
C-4-TYPE
C-005R
11.0pF
C-4-TYPE
10.0pF
(160 to 165kHz, 307.2 kHz: D =ø2.2 max.)
1
11.0pF
15