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12.85518 is listed in the Crystals range at ChipApex. The manufacturer field lists Geyer Electronic America, Inc.. Its product description is CYSTAL 20.0MHZ 8PF SMD. Review the specifications below when checking this part for your BOM.
Crystals specifications for 12.85518
- Description：CYSTAL 20.0MHZ 8PF SMD
- Series：KX-5
- Mfr：Geyer Electronic America, Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：MHz Crystal
- Frequency：24 MHz
- Frequency Stability：±30ppm
- Frequency Tolerance：±50ppm
- Load Capacitance：8pF
- ESR (Equivalent Series Resistance)：100 Ohms
- Operating Mode：Fundamental
- Operating Temperature：-40°C ~ 105°C
- Ratings：-
- Mounting Type：Surface Mount
- Package / Case：4-SMD, No Lead
- Size / Dimension：0.079" L x 0.063" W (2.00mm x 1.60mm)
- Height - Seated (Max)：0.018" (0.45mm)
Crystals datasheet and documents for 12.85518
Crystals Overview
The Geyer Electronic America, Inc. model 12.85518 is a quartz crystal component designed for frequency control applications. It operates at a nominal frequency of 24 MHz with a tolerance of ±50 ppm and stability of ±50 ppm. The device features an 8 pF load capacitance and a series resistance of 100 Ohms. It utilizes a fundamental mode of operation and is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly.
Crystals Feature Summary
- Super ultra-miniature footprint design
- Fundamental mode quartz construction
- Surface-mount compatible packaging
Crystals Applications
- Hearing aids
- Earbuds
- Wireless applications
Crystals Procurement Notes
Verify the specific operating frequency and package dimensions against the official datasheet before procurement. Confirm that the 24 MHz specification aligns with system requirements, as part numbers in this series may vary by frequency. Ensure compatibility with the 4-SMD no-lead form factor for PCB layout integration.
Crystals Selection Notes
Select this component for designs requiring a 24 MHz reference signal in space-constrained environments. The 8 pF load capacitance must match the oscillator circuit's external capacitors to ensure accurate frequency generation. Consider the 100 Ohm series resistance when evaluating drive level sensitivity and power consumption constraints.
Crystals Part Context
This part belongs to the KX-2 series of quartz crystals from Geyer Electronic America, Inc., characterized by a super ultra-miniature footprint. The series is engineered for high-density electronics where size reduction is critical. It represents a specialized solution within the manufacturer's portfolio of frequency control products.
Crystals Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Verify direct replacement compatibility by matching the 24 MHz frequency, 8 pF load capacitance, 100 Ohm resistance, and 4-SMD no-lead package specifications with alternative suppliers.
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