CDST-21S-HF

Diode Arrays Overview

The CDST-21S-HF is a small signal switching diode manufactured by Comchip Technology. It features a dual common cathode configuration housed in an SOT-23 surface-mount package. The component supports a maximum repetitive peak reverse voltage of 250V and a forward current of 200mA. Power dissipation is rated at 225mW, with operation supported up to a junction temperature of 150°C.

Diode Arrays Feature Summary

• Dual common cathode architecture for efficient circuit integration
• Low reverse leakage current characteristics
• Surface-mount SOT-23 packaging for automated assembly

Diode Arrays Applications

• High-speed signal switching circuits
• Voltage clamping applications
• Protection circuits in consumer electronics

Diode Arrays Procurement Notes

Verify the specific suffix 'HF' indicates RoHS compliance status through official documentation. Confirm the SOT-23 package dimensions match board layout requirements. Ensure thermal management aligns with the 225mW power dissipation limit during operation.

Diode Arrays Selection Notes

Select this component when a dual diode solution is required in a compact footprint. The 250V rating suits general-purpose switching tasks. Compare against single diode alternatives if space allows for separate components.

Diode Arrays Part Context

This part belongs to Comchip's small signal switching diode family. It complements similar models like BAS21C-HF and CDST-21-HF within the manufacturer's portfolio. The series focuses on reliable performance in low-power electronic assemblies.

Diode Arrays Replacement Considerations

• BAS21C-HF
• CDST-21-HF

Diode Arrays FAQ

What is the pin configuration of the CDST-21S-HF?

It utilizes a dual common cathode arrangement within the SOT-23 package.

Does the HF suffix denote lead-free composition?

Yes, the HF suffix typically indicates Halogen-Free and RoHS compliant manufacturing.