12.94461

Overview

The Geyer Electronic America, Inc. model 12.94461 is a CMOS clock oscillator from the KXO-V99 series, designed for surface-mount applications. It features a ceramic package with four pads and measures 5.0 mm x 3.2 mm x 1.2 mm. The device operates within a frequency range of 1.0 MHz to 200 MHz and supports power supply voltages of +1.8V, +2.5V, or +3.3V. It maintains a frequency tolerance of ±25 ppm across an operating temperature range of -40°C to +125°C. The output waveform exhibits a 45%/55% duty cycle with a load capacitance of 15 pF.

Feature Summary

• Provides precise quartz-based frequency control for signal conditioning in complex digital systems
• Supports multiple voltage levels including 1.8V, 2.5V, and 3.3V for flexible integration
• Engineered for high-temperature stability and reliability in demanding environments

Applications

• Microcontroller (MCU) and microprocessor (MPU) clock generation
• Field-programmable gate array (FPGA) timing support
• Application-specific integrated circuit (ASIC) synchronization
• Networking and telecommunications infrastructure equipment
• Automotive and aviation avionics systems

Procurement Notes

Verify that the specific part number matches the required frequency specification, as the KXO-V99 series covers a broad range. Confirm package compatibility with the target PCB footprint. Ensure the selected variant meets the necessary voltage and temperature requirements for the intended application environment before finalizing procurement.

Selection Notes

Select this component when a compact, low-power CMOS oscillator is required for MCU, MPU, FPGA, or ASIC applications. Consider the wide operating temperature range and stable frequency tolerance for industrial or automotive use cases. Evaluate the available voltage options to ensure compatibility with the system's power distribution network.

Part Context

This oscillator belongs to the KXO-V99 series, which consists of SMD ceramic CMOS clock oscillators. The series is noted for its availability in legacy applications and long-term supply commitments. Geyer Electronic positions these devices as reliable solutions for maintaining clock tree integrity in various electronic systems.

Replacement Considerations

Consult official manufacturer documentation to identify direct substitutes within the KXO-V99 series or compatible families. Verify that any replacement matches the electrical parameters and physical dimensions. Cross-reference pinouts and voltage specifications to ensure functional equivalence.