TSM75-H25HM33ST-74.1758M

Oscillators Overview

The TSM75-H25HM33ST-74.1758M is a crystal oscillator (XO) manufactured by Transko Electronics, Inc., operating at a frequency of 74.1758 MHz. It utilizes HCMOS output logic and functions as a standard XO within the TSM75 series. The device supports a supply voltage of 3.3V and includes an enable/disable control function. It features a frequency stability of ±25ppm and has a maximum current consumption of 60mA. The component is housed in a 4-SMD, No Lead package with dimensions of 3.20mm x 2.50mm.

Oscillators Feature Summary

• HCMOS output signal for digital interface compatibility
• Integrated enable and disable control functionality
• Standard crystal oscillator design with ±25ppm stability

Oscillators Applications

• Digital clock generation in communication systems
• Timing reference for high-speed data buses
• Synchronization circuits in embedded processors

Oscillators Procurement Notes

Verify the specific suffix codes against official Transko documentation to ensure correct voltage, output type, and tolerance specifications. Confirm that the 4-SMD package variant matches the target PCB footprint requirements. Check RoHS compliance status if environmental regulations apply to the end product assembly process.

Oscillators Selection Notes

Select this model when a 74.1758 MHz timing source with HCMOS levels is required. Ensure the system power rail supports the 3.3V operating voltage and can handle the 60mA peak current draw. Verify that the ±25ppm frequency stability meets the jitter and phase noise requirements of the connected load circuitry.

Oscillators Part Context

This part belongs to the TSM75 series of surface-mount oscillators from Transko Electronics. The series offers various frequencies and packages, typically utilizing MEMS or crystal technology. The TSM75 line is designed for applications requiring compact form factors and reliable timing performance in consumer and industrial electronics.

Oscillators Replacement Considerations

Transko recommends the TSP series as a drop-in replacement for discontinued Epson Toyocom SG-636 models. Verify pinout and electrical parameters before substituting other manufacturers' components.