STMicroelectronics STTH6006TV1

Overview

STTH6006TV1 from STMicroelectronics is a dual ultrafast high-voltage rectifier diode in ISOTOP package, rated for 600 V repetitive peak reverse voltage, 30 A average forward current per diode at Tc = 70 °C, and 50 ns maximum reverse recovery time at 25 °C. It serves as a PFC boost diode and output rectifier in industrial switching power supplies.

For engineers reviewing the STTH6006TV1 datasheet, STTH6006TV1 pinout, STTH6006TV1 application, or STTH6006TV1 equivalent, key selection criteria include ultrafast trr (≤50 ns), low thermal resistance (Rth(j–c) = 1.6 °C/W per diode), soft recovery behavior (S factor ≤0.5), 2500 VRMS isolation rating, and dual-diode configuration in insulated ISOTOP housing.

Technical Context

This dual-diode device implements ST's Turbo 2 silicon technology to achieve simultaneous low conduction loss (VF = 1.10 V typ. at 150 °C, 30 A) and fast, soft switching (trr ≤50 ns, S factor ≤0.5 at dIF/dt = 200 A/µs). Its isolated ISOTOP package enables direct heatsink mounting without additional insulation hardware.

The device operates with two independent diodes sharing a common case, supporting parallel or interleaved PFC topologies. Thermal coupling between diodes is characterized by Rth(c) = 0.1 °C/W, enabling accurate junction temperature estimation under simultaneous conduction: ∆Tj(diode1) = P(diode1) × 1.6 + P(diode2) × 0.1.

Key Specifications

Pinout & Package

STTH6006TV1 uses the ISOTOP package: a 4-terminal, electrically insulated, metal-can housing with two anodes (A1, A2), two cathodes (K1, K2), and a thermally conductive but electrically isolated baseplate. Mounting screws pass through non-conductive bushings to maintain 2500 VRMS isolation.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MURB3060CT and VS-60CPQ150, STTH6006TV1 uniquely combines dual-diode integration, 2500 VRMS isolation, and sub-50 ns trr in one package-enabling simplified PFC board layout, reduced BOM count, and elimination of insulating hardware without sacrificing switching speed.

Availability

STTH6006TV1 is available at Aetrix Electronics and suitable for industrial switching power supplies, active PFC boost stages, motor drive DC link rectification, and welding power supply output stages requiring stable component supply and long-term manufacturability.

Supply support for STTH6006TV1 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 analog, microcontroller, power, and sensor solutions for automotive, industrial, and consumer markets.

STTH6006TV1 belongs to ST's Turbo 2 ultrafast diode product line, engineered specifically for high-efficiency, high-reliability industrial power conversion where low trr, soft recovery, and thermal robustness are critical.

FAQ

What is the maximum junction temperature and how is it enforced?

The absolute maximum operating junction temperature is 150 °C, verified via thermal runaway condition dPtot/dTj < 1/Rth(j–a). This limit is maintained by ensuring case temperature does not exceed 70 °C at 30 A average current per diode, using the specified Rth(j–c) = 1.6 °C/W and proper heatsink interface.

Can STTH6006TV1 be used in parallel with another unit for higher current?

No-STTH6006TV1 is not designed for parallel operation across units due to mismatch in VF and trr characteristics. Current sharing must be achieved within the same package using its dual-diode structure; external paralleling risks thermal imbalance and premature failure.

Does the ISOTOP package require special mounting torque or hardware?

Yes-the ISOTOP package requires M4 mounting screws tightened to 1.2–1.5 N·m with non-conductive bushings to preserve 2500 VRMS isolation. Overtightening deforms the case and compromises thermal contact; under-torquing increases Rth(c) and risks mechanical loosening under vibration.

How does soft recovery affect EMI in PFC circuits?

Soft recovery (S factor ≤0.5) limits di/dt during turn-off, reducing high-frequency ringing and conducted EMI above 30 MHz. Measured data shows 10–15 dB lower peak emissions compared to standard FRDs with hard recovery, easing EN55022 Class B compliance without added filtering.