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Product Detailed Parameters
- Description：XTAL OSC XO 50.0000MHZ CMOS SMD
- Series：QTM325
- Mfr：QST
- Package：Tape & Reel (TR)
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：50 MHz
- Function：Enable/Disable
- Output：CMOS
- Voltage - Supply：3.3V
- Frequency Stability：±50ppm
- 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：0.126" L x 0.098" W (3.20mm x 2.50mm)
- Height - Seated (Max)：0.043" (1.10mm)
- Supplier Device Package：4-VDFN (3.2x2.5)
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Overview
The QTM325-50.000MBE-T is a CMOS oscillator manufactured by QST, designed for surface-mount applications. It operates at a nominal frequency of 50 MHz with a frequency stability of ±50 ppm. The device requires a 3.3 V DC supply voltage and features a compact 3.2 x 2.5 x 1 mm package. It supports an operating temperature range from -40°C to +85°C, ensuring reliable performance in various electronic environments.
Feature Summary
- Generates a stable 50 MHz clock signal using CMOS output technology.
- Operates within a wide industrial temperature range for robust environmental resilience.
- Utilizes a low-profile surface-mount design for efficient PCB integration.
Applications
- Digital signal processing systems requiring precise timing references
- Communication equipment utilizing standard clock frequencies
- Microcontroller-based embedded systems
Procurement Notes
Verify the specific ordering suffix and manufacturer part number against official QST documentation to ensure compatibility with system requirements. Confirm that the component meets all necessary regulatory standards for the intended application environment before finalizing procurement decisions.
Selection Notes
Select this component when a 50 MHz CMOS output is required with ±50 ppm stability. Ensure the design accommodates a 3.3 V supply and the specified thermal range. Verify footprint compatibility with the 3.2 x 2.5 mm SMD package constraints during the schematic capture phase.
Part Context
This oscillator belongs to the QTM325 series, which provides standardized clock solutions for space-constrained designs. The model integrates quartz resonance with CMOS drive circuitry, offering a complete timing source without external components, suitable for modern high-density electronics.
Replacement Considerations
Consult official QST substitution guides for verified alternatives. Cross-reference electrical parameters such as output voltage levels and load capacitance to ensure functional equivalence in existing circuits.
