CDST-21A-G

Diode Arrays Overview

The CDST-21A-G is a small signal switching diode array manufactured by Comchip Technology, housed in a surface-mount SOT-23-3 package. It features a common anode configuration with two independent diodes. Key electrical parameters include a repetitive peak reverse voltage of 250 V and a maximum average forward rectified current of 100 mA per diode. The device exhibits a fast reverse recovery time of 50 ns and a maximum forward voltage drop of 1.25 V at 200 mA. It operates within a temperature range of -55°C to +150°C.

Diode Arrays Feature Summary

• Dual diode configuration in a single common anode arrangement for space-efficient circuit design
• Fast switching capability with 50 ns reverse recovery time suitable for high-speed applications
• High voltage isolation with 250 V peak reverse voltage rating
• Robust thermal performance supporting operation up to 150°C junction temperature

Diode Arrays Applications

• High-speed logic level shifting and signal routing
• Clamping and protection circuits in digital interfaces
• OR-ing configurations for power supply redundancy
• Demodulation and detection in RF signal processing

Diode Arrays Procurement Notes

Verify the specific suffix and marking code on the component body to ensure it matches the CDST-21A-G designation exactly. Confirm that the supplier provides official datasheets from Comchip Technology rather than generic references. Check for RoHS compliance documentation if environmental regulations apply to your manufacturing process. Ensure the packaging type (tape and reel or cut tape) aligns with your assembly equipment requirements.

Diode Arrays Selection Notes

Select this component when a dual diode solution is required in a compact SOT-23 footprint. It is appropriate for designs needing fast switching speeds and moderate reverse voltage ratings. Consider the common anode topology for applications requiring shared reference points. Evaluate the 100 mA current limit against peak load requirements to ensure reliable operation under all expected conditions.

Diode Arrays Part Context

This part belongs to Comchip Technology's line of small signal switching diodes. It complements other variants like the CDST-21S-G which may offer different internal configurations. The series is designed for general-purpose electronic applications requiring reliable switching performance in consumer and industrial electronics.

Diode Arrays Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source data. Verify pinout compatibility and electrical parameter margins before considering any alternative components from other manufacturers.