TSM21-H50CT18ST-33.333M

Oscillators Overview

The TSM21-H50CT18ST-33.333M is an ultra-miniature surface-mount crystal oscillator manufactured by Transko Electronics, Inc. It operates at a frequency of 33.333 MHz and utilizes HCMOS output logic. The device supports a supply voltage of 1.8V and features an enable/disable control function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 x 0.9 mm. The component is rated for operation within a temperature range of -40°C to 105°C.

Oscillators Feature Summary

• Ultra-miniature SMD form factor suitable for space-constrained designs
• HCMOS output interface for digital timing applications
• Integrated enable/disable functionality for power management

Oscillators Applications

• FPGA timing reference circuits
• High-speed data handling systems
• Embedded control systems requiring precise clock signals

Oscillators Procurement Notes

Verify the specific suffix codes against official Transko documentation to confirm electrical parameters and packaging details. Ensure compatibility with the target PCB footprint and thermal requirements. Confirm that the HCMOS output level matches the receiving logic input specifications. Check for any environmental certifications required for the intended application.

Oscillators Selection Notes

Select this component when a low-profile, high-frequency clock source is needed for digital logic. The 1.8V supply requirement dictates compatibility with low-voltage logic families. The wide operating temperature range supports industrial or automotive environments. Verify that the enable pin can be effectively utilized for system power sequencing.

Oscillators Part Context

This part belongs to the TSM21 series of ultra-miniature oscillators from Transko Electronics. The series is characterized by its small physical footprint and standard HCMOS outputs. It serves as a direct replacement for larger through-hole or standard SMD oscillators where board real estate is limited.

Oscillators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Cross-referencing requires matching the exact frequency, voltage, package size, and output type. Consult manufacturer databases for direct equivalents.