STMicroelectronics STTH3006TPI

Overview

STTH3006TPI from STMicroelectronics is a tandem 600 V hyperfast rectifier composed of two matched 300 V silicon diode dice in series, rated for 30 A average forward current and 25 ns reverse recovery time at 25°C, with 2.6 V max forward voltage at 125°C and 30 A - designed specifically as a boost diode in continuous-conduction-mode (CCM) power factor correction circuits.

For engineers reviewing the STTH3006TPI datasheet, STTH3006TPI pinout, STTH3006TPI application, or STTH3006TPI equivalent, key selection criteria include dIF/dt capability up to –200 A/µs, 6.7 A peak reverse recovery current at 125°C, 1.3 °C/W junction-to-case thermal resistance, and 2500 VRMS insulation for MOSFET co-heatsinking in high-density PFC stages.

Technical Context

This device implements a series-connected dual-die architecture enabling 600 V blocking without external voltage-balancing networks. Its hyperfast recovery (trr = 25–45 ns) and soft recovery (S = 0.3) minimize switching losses and EMI in hard-switched PFC boost stages.

The TOP-3 insulated package provides galvanic isolation (2500 VRMS), allowing direct mounting on the same heatsink as the associated MOSFET. Thermal symmetry between dice ensures balanced current sharing and stable operation under high dIF/dt transients.

Key Specifications

Pinout & Package

Package: TOP-3 Insulated - ceramic-insulated TO-247 variant with isolated mounting base, 4.5 g mass, 0.8 N·m recommended torque, UL94 V0 epoxy.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-dIF/dt boost rectifier applications.

Compared with STTH3006TPI, STTH30L06D trades thermal integration and soft recovery for lower VF, while IXYS MUR1560CT sacrifices dIF/dt robustness and co-heatsinking for legacy compatibility and wider availability - neither matches the tandem architecture's balance of 600 V reliability, MOSFET synergy, and EMI control.

Availability

STTH3006TPI is available at Aetrix Electronics and suitable for server power supplies, industrial motor drives, telecom rectifiers, and EV onboard chargers requiring stable component supply and proven thermal integration with high-speed MOSFETs.

Supply support for STTH3006TPI 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, designing and manufacturing analog, MCU, power, and sensor solutions for industrial, automotive, and consumer markets.

The TURBOSWITCH "H" family targets high-efficiency, high-density power conversion systems - specifically engineered to replace SiC diodes in cost-sensitive CCM PFC applications where thermal integration and EMI control are critical.

FAQ

What is the maximum allowable case temperature for STTH3006TPI in continuous operation?

The device is rated for maximum junction temperature of 150°C. With a junction-to-case thermal resistance of 1.3 °C/W and typical conduction loss of ~100 W at 30 A average current, the case temperature must be held ≤ 20°C under full load to maintain Tj ≤ 150°C - confirming its suitability for forced-air or shared heatsink cooling in high-power PFC stages.

Can STTH3006TPI be used with SiC MOSFETs in a 100 kHz PFC design?

Yes - its 25 ns trr, 0.3 softness factor, and low 16 pF capacitance ensure minimal interaction with SiC MOSFET gate drive and reduced voltage overshoot during commutation. ST's characterization confirms stable operation at dIF/dt up to –200 A/µs, matching typical SiC FET slew rates in hard-switched PFC.

Does the TOP-3 insulated package require special mounting hardware?

No special hardware is required - the package uses standard M3 screw mounting with 0.8 N·m recommended torque (max 1.0 N·m). The insulated base eliminates need for shoulder washers or thermal pads when mounted directly to a common heatsink with the MOSFET, provided mechanical flatness and surface finish meet TO-247 specifications.

How does STTH3006TPI compare to discrete 600 V diodes in terms of voltage balancing?

Its internal tandem structure integrates two matched 300 V dice with identical thermal and electrical characteristics, eliminating voltage imbalance under transient dIF/dt stress. Unlike discrete series diodes, it requires no external balancing resistors or capacitors - verified by ST's 125°C dynamic testing showing <5% voltage split variation across both dice.