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Product Detailed Parameters
- Description：XTAL OSC XO 40.0000MHZ HCMOS TTL
- Series：CFPS-72
- Mfr：IQD Frequency Products
- Package：Bulk
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：40 MHz
- Function：Enable/Disable
- Output：HCMOS, TTL
- Voltage - Supply：5V
- Frequency Stability：±50ppm
- Absolute Pull Range (APR)：-
- Operating Temperature：0°C ~ 70°C
- Spread Spectrum Bandwidth：-
- Current - Supply (Max)：50mA
- Ratings：-
- Mounting Type：Surface Mount
- Package / Case：4-SMD, No Lead
- Size / Dimension：0.283" L x 0.205" W (7.20mm x 5.20mm)
- Height - Seated (Max)：0.055" (1.40mm)
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Overview
The LFSPXO018739BULK is a standard clock oscillator from the CFPS-72 series by IQD Frequency Products. It operates at a frequency of 40 MHz with a stability of ±50 PPM and a load capacitance of 50 pF. The device supports HCMOS and TTL output formats, functioning within a supply voltage range of 4.5 V to 5.5 V. It features an SMD/SMT package measuring 7.0 x 5.0 x 1.4 mm and has a current rating of 50 mA. The maximum duty cycle is 55%. The component is designed for operation between 0°C and +70°C.
Feature Summary
- Provides precise timing signals via HCMOS or TTL output interfaces.
- Maintains frequency stability within ±50 PPM tolerance.
- Compatible with standard 5V logic systems through defined voltage ranges.
Applications
- General-purpose digital circuit timing
- Microcontroller clock sources
- Communication interface synchronization
Procurement Notes
Verify the specific suffix (Reel vs BULK) required for your assembly process, as packaging affects handling. Confirm that the operating temperature range of 0°C to +70°C meets your environmental specifications. Ensure the 4.5V to 5.5V supply voltage aligns with your system design before procurement.
Selection Notes
Select this model when a 40 MHz signal with moderate stability is required. The 7x5mm package offers a balance of size and performance. Consider the CFPS-32 series if lower voltage operation or smaller footprint is needed. Verify compatibility with existing PCB footprints and thermal management requirements.
Part Context
This part belongs to the LFSPXO series of standard oscillators from IQD Frequency Products. It is a quartz-based component designed for reliable frequency generation in electronic systems. The manufacturer has a long history in frequency control solutions, providing various oscillator types including SPXO and TCXO.
Replacement Considerations
The document notes LFSPXO018739Reel as an alternate part number representing a revision change. For MEMS alternatives, the IQMS-510 series is mentioned as a nearest equivalent, though specific parameter matching is required.
