STMicroelectronics STTH30R06PI

Overview

STTH30R06PI from STMicroelectronics is a 600 V, 30 A ultrafast high-voltage rectifier diode in DOP-3I package, optimized for boost-stage PFC in discontinuous/critical conduction mode and freewheeling in switch-mode power supplies. It delivers 1.10 V typical forward voltage at 125 °C, 50 ns maximum reverse recovery time, and 1.7 °C/W junction-to-case thermal resistance.

For engineers reviewing the STTH30R06PI datasheet, STTH30R06PI pinout, STTH30R06PI application, or STTH30R06PI equivalent, key selection criteria include reverse recovery softness (S-factor ≤ 0.5), low conduction loss equation (P = 1.07 × IF(AV) + 0.011 × IF²(RMS)), and compatibility with high-dlF/dt conditions up to 100 A/µs in 400 V VR applications.

Technical Context

This device implements ST's Turbo 2 silicon technology to achieve ultrafast switching with controlled soft recovery-critical for minimizing EMI in high-frequency PFC stages. Its 50 ns trr (max) and 8–11 A IRM at 125 °C / 400 V enable efficient operation in critical-conduction-mode boost converters where diode turn-off stress must be tightly managed.

The DOP-3I package provides 1.7 °C/W Rth(j-c) and supports 30 A average forward current at TC = 85 °C, making it suitable for thermally constrained industrial power supplies. Reverse leakage remains below 800 µA at 125 °C, ensuring stable blocking performance under elevated ambient conditions.

Key Specifications

Pinout & Package

The STTH30R06PI is a two-terminal power diode in DOP-3I package: anode and cathode are accessed via isolated metal tabs on opposite sides of the molded body. No internal gate or control terminals exist.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar ultrafast high-voltage rectifier applications.

Compared with MUR3060CT and VS-30CPH06, STTH30R06PI offers lower trr and VF at elevated temperature, better softness factor, and DOP-3I package with superior thermal resistance-making it optimal for compact, high-efficiency PFC and freewheeling designs where EMI and thermal management are critical.

Availability

STTH30R06PI is available at Aetrix Electronics and suitable for industrial switch-mode power supplies, server rectification systems, renewable energy inverters, and motor drive DC link protection requiring stable component supply and long-term lifecycle support.

Supply support for STTH30R06PI includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, power devices, sensors, and analog ICs for industrial, automotive, and consumer markets.

The STTH series targets high-performance power conversion, with Turbo 2 technology specifically developed for ultrafast, low-loss rectification in demanding PFC and SMPS applications.

FAQ

What is the maximum junction temperature and how does it affect reliability?

The STTH30R06PI has a maximum operating junction temperature of 175 °C. Operating continuously at or near this limit accelerates parametric drift and reduces long-term reliability. Derating IF(AV) to 24 A at TC = 115 °C is recommended for 10-year field life in industrial environments, per ST's thermal lifetime models.

Can STTH30R06PI replace standard fast recovery diodes in existing designs?

Yes, but only after verifying layout parasitics and snubber values. Its 50 ns trr and soft recovery reduce voltage overshoot, but faster switching may expose PCB inductance-requiring localized ground plane optimization and shorter cathode traces to avoid VFP spikes exceeding 2.5 V.

How is thermal performance validated in the DOP-3I package?

Thermal validation uses JEDEC JESD51-14 transient dual-interface testing, confirming 1.7 °C/W Rth(j-c) with 0.5 mm thick copper heatsink and 0.1 mm thermal interface material. Mounting torque must be 0.9–1.2 N·m to maintain interfacial contact resistance below 0.05 °C/W.

Does STTH30R06PI require a gate driver or external control circuitry?

No. As a passive two-terminal power diode, STTH30R06PI operates without any control signals, biasing, or gate drive. It conducts when anode voltage exceeds cathode voltage by >1.1 V and blocks when reverse biased-no external circuitry is required for basic rectification or freewheeling functions.