SB2045CT_T0_00001

Overview

The SB2045CT_T0_00001 is a Schottky barrier rectifier from the SB2020CT series manufactured by Panjit International Inc. It features a dual common cathode configuration housed in a TO-220AB molded plastic case with solder-plated terminals. The device supports a maximum average forward current of 20 Amperes and offers a maximum repetitive peak reverse voltage of 45 Volts. Key electrical characteristics include a maximum forward voltage of 0.75 Volts at 10A per leg, a peak forward surge current capability of 200 Amperes, and a typical thermal resistance of 2°C/W. The component operates within a junction temperature range of -55°C to +150°C.

Feature Summary

• Low forward voltage drop for high efficiency and low power loss
• High surge current capacity suitable for demanding loads
• Flame retardant epoxy molding compound with UL 94V-O classification

Applications

• Low voltage high frequency inverters
• Free wheeling applications
• Polarity protection circuits

Procurement Notes

Verify the specific ordering suffix against official documentation to confirm packaging type and compliance status. The provided datasheet indicates that suffix codes define packing methods such as tape and reel or bulk, alongside environmental certifications like RoHS. Ensure the selected variant matches the required mechanical mounting and terminal specifications for the target assembly process.

Selection Notes

Select this component for designs requiring robust current handling and fast switching speeds in low-voltage environments. The TO-220AB package facilitates effective heat dissipation through flange mounting. Consider the derating curves for ambient temperatures exceeding 25°C to maintain reliability. Verify that the 45V reverse voltage rating provides adequate margin for the circuit's peak operating conditions.

Part Context

This part belongs to the SB2020CT series of Schottky barrier rectifiers produced by Panjit International Inc. The series encompasses various voltage ratings ranging from 20V to 60V while maintaining a consistent 20A current capability. These devices are engineered for general-purpose rectification where low forward voltage and high efficiency are critical performance factors.

Replacement Considerations

Cross-reference with other SB2045CT variants from different manufacturers ensuring identical pinout, voltage, and current ratings. Verify thermal resistance and package dimensions match the existing footprint to guarantee mechanical compatibility without redesigning the PCB layout.

FAQ

What is the maximum non-repetitive surge current for this device?

The SB2045CT can withstand a peak forward surge current of 200 Amperes for an 8.3ms single half sine-wave superimposed on the rated load.

How does the forward voltage vary with temperature?

The datasheet provides a curve for typical instantaneous forward characteristic, indicating that forward voltage decreases as junction temperature increases, which is typical for Schottky diodes.

Is the device compliant with environmental standards?

Yes, the product is lead-free and complies with EU RoHS directives and IEC 61249 standards using a green molding compound.