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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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CARDINAL COMPONENTSCARDINAL COMPONENTS
011703-REV2.0
Specifications:
Frequency Range: 32.768 KHz
Operating Temperature: -40°C ~ +85°C
Standard
Temperature Coefficient: -(0.035 ± 0.008) ppm/°C2
Frequency Tolerance: ± 20 ppm
(at 25°C)
Load Capacitance: 12.5 pF
Typical
Shunt Capacitance: 1.35 pF
Typical
Resistance: 50,000Ω Max
Drive Level: 1.0 µW Max
Aging: ± 3.0 ppm per year
Packaging: Tape and Reel (3K per Reel)
Plastic Tuning Fork Crystals
Cardinal’s CPF crystals offer real time frequency control in
a sturdy thermoplastic encasement with a 2.5 mm height.
CPFB
CPFA
P art Numbering Example: CPFA Z - A1 C5 - 32.768K D12.5
*
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.
Series
SERIES
CPFA
CPFB
CPFA
ADDED FEA TURES
BLANK = BULK PACK
Z = TAPE AND REEL
Z
OPERATING TEMP .
A2 = -40°C ~ +85°C
A2*
TOLERANCE
C5 = ± 20
C5
FREQUENCY
32.768
LO AD CAP .
D 6 = 6.0 pF
D12.5 = 12.5 pF
D12.5
CPFA
CPFB
