CDBMHT1100-HF

Overview

The CDBMHT1100-HF is a Schottky barrier rectifier manufactured by Comchip Technology, designed for surface mount applications. It features a single configuration in an SOD-123F-2 package. Key electrical parameters include a maximum repetitive reverse voltage (Vrrm) of 100 V and an average forward current (If) of 1 A. The device exhibits a typical forward voltage drop (Vf) of 0.85 V at 1 A and supports a forward surge current (Ifsm) of 30 A. Reverse leakage current (Ir) is specified at 0.5 mA. The component operates within a temperature range of -55°C to +150°C junction temperature.

Feature Summary

• Utilizes silicon epitaxial planar chip technology with metal-silicon junction construction for high-speed switching capabilities.
• Incorporates guardring structure to provide enhanced overvoltage protection and reliability under stress conditions.
• Designed for low-profile surface mount integration to optimize printed circuit board space efficiency.

Applications

• Low profile surface mount applications requiring optimized board space utilization
• High efficiency power supply circuits minimizing power loss
• DC-DC converter designs utilizing fast recovery characteristics

Procurement Notes

Verify the current manufacturing status before procurement as the CDBMHT1100-HF has been identified as obsolete or scheduled for discontinuation by the manufacturer. Confirm availability through authorized distributors or check for valid substitute part numbers such as the CDBMS1100-HF if active inventory is required. Ensure compliance with RoHS transition status details provided in official documentation prior to ordering.

Selection Notes

Select this component for applications requiring a 100 V rated Schottky rectifier in a compact SOD-123F-2 package. Consider the 0.85 V forward voltage drop for efficiency calculations at 1 A load. Verify thermal management requirements given the wide operating temperature range up to +150°C. Evaluate the 30 A surge current capability against potential inrush conditions in the target circuit design.

Part Context

This device belongs to the Comchip Technology CDBMTxxx series of low profile Schottky barrier rectifiers. The series offers various voltage ratings including 40 V, 60 V, 100 V, and 150 V options. The CDBMHT1100-HF specifically represents the 100 V variant within this family, sharing common packaging and structural features with other members like the CDBMT1100-HF and CDBMHT1150-HF.

Replacement Considerations

Public data indicates the CDBMHT1100-HF is obsolete. The CDBMS1100-HF is listed as an available substitute. Verify pinout compatibility and exact electrical parameter matches between the obsolete part and the suggested replacement before implementation.

FAQ

What is the maximum operating junction temperature for the CDBMHT1100-HF?

The maximum operating temperature is +150°C.

Does the CDBMHT1100-HF include overvoltage protection features?

Yes, the device incorporates a guardring structure designed for overvoltage protection.