Manufacturer Part Number

STTH3010D

Description

General-purpose rectifier diode. Handles 1000 volts and 30A continuous current. Fast-recovery type for high-speed switching. Housed in a TO-220AC through-hole package. Suitable for power supplies, industrial equipment, and automotive applications. RoHS3 compliant.

Specifications

Maximum DC reverse voltage: 1000 V

Average rectified forward current: 30 A

Maximum forward voltage drop: 2 V at 30 A

Reverse leakage current: 15 µA at 1000 V

Reverse recovery time: 100 ns

Mounting: Through hole

Package type: TO-220-2 (TO-220AC)

Operating junction temperature: up to 175°C

Product status: Active

Technology: Standard

Speed: Fast recovery (≤500ns, >200mA Io)

MSL: 1 (unlimited)

RoHS/REACH compliant

Device Structure

Single diode inside, single-phase rectifier structure. Silicon-based junction with robust die design. Two leads (anode and cathode) in a TO-220AC insulated plastic package.

Performance Characteristics

Withstands high voltage up to 1kV. Supports large current up to 30A continuously. Fast recovery time (100 ns) reduces switching losses in high-frequency circuits. Low leakage current at high voltage. Operates reliably at high temperatures up to 175°C. Low forward voltage minimizes conduction losses.

Application Environments

Used in high-frequency rectification, power conversion, freewheeling, and polarity protection circuits. Suitable for SMPS (Switch-Mode Power Supplies), UPS (Uninterruptible Power Supplies), motor drives, welding equipment, and industrial power modules. Can operate in industrial, automotive, and commercial environments with high demands on reliability and efficiency.

Selection Guidelines

Choose STTH3010D for applications requiring high voltage (1000V), high current (30A), and fast recovery. It is ideal where compact, through-hole mounting with high thermal capacity is needed. Make sure the maximum applied voltage and current in your circuit do not exceed device ratings. Confirm operating temperature will not exceed 175°C. If using in high-frequency circuits, fast recovery time matches efficiency needs.

Usage Considerations

Ensure proper heat sinking for continuous high-current use. Avoid exceeding maximum voltage/current ratings to prevent failure. Consider PCB layout for optimal thermal dissipation. Always allow for reverse surge voltage margin in design. Use in accordance with RoHS and REACH guidelines for safe and compliant application. Handle according to MSL 1—no special storage is required.

Potential Equivalent/Replacement Models

Possible alternatives include:

Vishay VS-30WQ10 (1000V, 30A, TO-247)

ON Semiconductor MUR3040WT (400V, 30A, TO-247)

International Rectifier 30ETF12 (1200V, 30A, TO-220AC)

For exact cross or matching part, contact the Ariat-Tech sales team for up-to-date equivalents and more options. Always verify substitute specs before using in critical designs.

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