QTM216J-4.000MBJ-T

Overview

The QTM216J-4.000MBJ-T is a surface-mount CMOS oscillator manufactured by QST, operating at a frequency of 4 MHz. It features a compact 4-SMD, No Lead package with dimensions of 2.0 mm x 1.6 mm. The device supports a supply voltage of 3.3V and includes an enable/disable function for power management. Frequency stability is rated at ±50ppm across the operating temperature range of -40°C to +105°C. Maximum supply current is 10 mA.

Feature Summary

• Compact 2.0x1.6mm SMD ceramic package suitable for space-constrained designs
• CMOS output format with low electromagnetic interference characteristics
• Integrated enable/disable control pin for active power management
• Industrial-grade wide temperature operation capability

Applications

• Portable consumer electronics requiring small form factors
• Industrial communication systems needing stable timing references
• Wearable devices with strict size and power constraints
• Smart home IoT modules

Procurement Notes

Verify the specific suffix 'J' against official QST documentation to confirm the exact temperature range (-40°C to +105°C) and stability specifications. Ensure the ordering code matches the required frequency tolerance and package type. Cross-reference the manufacturer part number with distributor listings to confirm availability and standard lead times before finalizing procurement plans.

Selection Notes

Select this component when a 4 MHz clock source is required in a minimal footprint. The 3.3V supply voltage aligns with common digital logic levels. The ±50ppm stability is sufficient for general synchronous data transmission. Consider the enable feature if system-level power savings are critical during idle states.

Part Context

This oscillator belongs to the QTM216 series from QST, designed for high-volume consumer and industrial applications. The series utilizes quartz crystal resonators within a sealed ceramic package to ensure long-term reliability and consistent performance under varying environmental conditions.

Replacement Considerations

Direct substitutes include other 2016 package CMOS oscillators from manufacturers like TXC or Epson, provided they match the 4 MHz frequency, 3.3V supply, and ±50ppm stability requirements. Verify pin compatibility and thermal characteristics before substitution.