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Product Detailed Parameters
- Description：XTAL OSC XO 49.147085MHZ CMOS
- Series：QTM252
- Mfr：QST
- Package：Tape & Reel (TR)
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：49.147085 MHz
- Function：Enable/Disable
- Output：CMOS
- Voltage - Supply：3.3V
- Frequency Stability：±25ppm
- Absolute Pull Range (APR)：-
- Operating Temperature：-40°C ~ 85°C
- Spread Spectrum Bandwidth：-
- Current - Supply (Max)：10mA
- Ratings：-
- Mounting Type：Surface Mount
- Package / Case：4-SMD, No Lead
- Size / Dimension：0.098" L x 0.079" W (2.50mm x 2.00mm)
- Height - Seated (Max)：0.035" (0.90mm)
- Supplier Device Package：-
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Overview
The QTM252-49.147085MBD-T is a standard CMOS output crystal oscillator manufactured by QST. It operates at a precise frequency of 49.147085 MHz and supports enable/disable functionality. The device is designed for surface-mount applications, ensuring reliable integration into compact electronic circuits requiring stable timing signals.
Feature Summary
- Generates a precise 49.147085 MHz clock signal with CMOS output compatibility
- Supports active enable and disable control functions for power management
- Designed in a compact surface-mount package for automated assembly
Applications
- Embedded system clock generation
- Digital communication interface synchronization
- Microcontroller timing reference sources
Procurement Notes
Verify the specific suffix MBD-T against official QST documentation to confirm pinout and electrical characteristics. Ensure the required operating temperature range aligns with your application environment before ordering. Cross-reference the datasheet for load capacitance requirements to guarantee frequency stability in the final circuit design.
Selection Notes
Select this component when a fixed 49.147085 MHz frequency is required for digital logic or communication protocols. Consider the CMOS output swing and current drive capabilities relative to the input requirements of the downstream circuitry. Evaluate the physical footprint constraints to ensure the surface-mount package fits within the available PCB area.
Part Context
This oscillator belongs to QST's timing device portfolio, which includes crystals and oscillators for consumer and industrial electronics. It serves as a fundamental component for providing accurate timekeeping and data transmission synchronization in modern embedded hardware systems.
Replacement Considerations
Consult official QST substitution guides for compatible alternatives. Verify that any substitute part matches the exact 49.147085 MHz frequency, CMOS output type, and enable/disable functionality to maintain system performance.
