CARDINAL COMPONENTS
Tuning Fork Crystals
Cardinal’s tuning fork crystals provide a cost-effective
approach for time-management products.
Series CTF6
CTF8
Part Numbering Example: CTF6 - A1 B2 C3 50 - 32.768K D12.5
CTF6
SERIES
CTF6
CTF8
F
A*
B3
STABILITY
B1 = ±100
B2 = ± 50
B3 = ± 30
B4 = ± 10
C3
TOLERANCE
C1 = ±100
C2 = ± 50
C3 = ± 30
C4 = ± 10
50
RESISTANCE
32.768K
FREQUENCY
D12.5
LOAD CAP.
D6
= 6.0 pF
D12.5
= 12.5 pF
OPERATING TEMP.
ADDED FEATURES
W = VINYL SLEEVING A0 = -10°C ~ +60°C
Z = TAPE AND REEL A1 = -10°C ~ +70°C
A2 = -40°C ~ +85°C
A3 = -55°C ~ +125°C
*NOTE:
The above ABC combinations cover basic specification options. We tailor our crystal specifications
to meet customer requirements. Please contact our sales department if you don’t see exactly what you need.
Specifications:
Frequency Range:
32.768 KHz
30.000 ~ 200.000 KHz
-10°C ~ +60°C
±30 ppm
12.5 pF, 6.0 pF
50,000Ω Max
Shunt Capacitance: 1.7 pF Max
Aging: ± 3 ppm Max first year
Drive Level: 1 µW Max
Formed Leads
Vinyl Sleeves
CTF8
Standard
Available
Operating Temperature:
Frequency Tolerance:
(at 25°C)
Load Capacitance:
Resistance:
Standard:
Standard
Temperature Coefficient:
-(0.035 ± 0.008) ppm/°C
2
Standard
Optional Features:
CTF6
Cardinal Components, Inc., 155 Rt. 46 W, Wayne, NJ. 07470 TEL: (973)785-1333 FAX: (973)785-0053
http://www.cardinalxtal.com
E-Mail: cardinal@cardinalxtal.com
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