STMicroelectronics STTH10002TV1

Overview

STTH10002TV1 from STMicroelectronics is a dual ultrafast recovery silicon rectifier diode in ISOTOP package, rated for 2 × 50 A average forward current per diode, 200 V repetitive peak reverse voltage, and 30 ns typical reverse recovery time at 125 °C. It delivers low conduction loss (VF = 0.72 V typ. at 50 A, 150 °C) and high surge capability (750 A, 10 ms), designed for secondary-side rectification in high-power welding equipment and industrial DC power supplies.

For engineers reviewing the STTH10002TV1 datasheet, STTH10002TV1 pinout, STTH10002TV1 application, or STTH10002TV1 equivalent, key selection criteria include dual-diode thermal coupling behavior, insulated case rating (2500 V_rms), junction-to-case thermal resistance (0.55 °C/W total), and dIF/dt-dependent recovery performance under high-frequency switching conditions.

Technical Context

The STTH10002TV1 integrates two independent ultrafast recovery diodes in a single insulated ISOTOP housing, enabling shared thermal management while maintaining electrical isolation between anode-cathode paths. Its design targets high-efficiency secondary rectification where low trr minimizes switching losses and low VF reduces conduction losses in hard-switched converters.

Dynamic behavior is strongly dependent on operating temperature and dIF/dt: trr drops from 53 ns to 30 ns as dIF/dt increases from –50 to –200 A/µs at 25 °C, and IRM reaches 13 A at 125 °C under 200 A/µs commutation-critical for snubberless operation in high-dI/dt welder output stages.

Key Specifications

Pinout & Package

STTH10002TV1 uses the ISOTOP package-a through-hole, insulated, thermally optimized housing with four terminals (A1, K1, A2, K2) arranged in dual-diode configuration. The package provides creepage/clearance compliant with UL standards (File E81734) and supports direct conduction cooling via screw-mount heatsink interface.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar ultrafast dual rectifier applications.

Compared with MBR10020CT and VS-100CNQ020, STTH10002TV1 uniquely combines certified 2500 V_rms insulation, tight thermal coupling (0.55 °C/W), and 30 ns t_rr at 125 °C-making it optimal for compact, high-reliability welding and induction heating rectifiers where mounting simplicity and dynamic performance are jointly critical.

Availability

STTH10002TV1 is available at Aetrix Electronics and suitable for welding power supplies, industrial motor drives, uninterruptible power systems, and induction heating inverters requiring stable component supply and long-term manufacturing continuity.

Supply support for STTH10002TV1 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, digital, and mixed-signal ICs and discrete devices for automotive, industrial, and power applications.

The STTH ultrafast diode product line targets high-efficiency, high-reliability secondary-side rectification in demanding industrial power conversion systems-emphasizing low loss, fast recovery, and robust thermal packaging.

FAQ

What is the maximum junction temperature rating for STTH10002TV1?

The absolute maximum operating junction temperature is 150 °C, as specified in Table 2 of the official datasheet (Doc ID 12363 Rev 2). This rating applies under steady-state conditions with proper heatsinking and must not be exceeded to ensure reliability and lifetime compliance.

Does STTH10002TV1 require external insulation when mounted on a metal heatsink?

No. The ISOTOP package provides 2500 V_rms insulation between all terminals and the case, certified under UL file E81734. Mounting directly to a grounded heatsink is permitted without additional insulating hardware-reducing assembly complexity and thermal interface resistance.

How does reverse recovery time vary with junction temperature?

trr decreases with rising junction temperature: Figure 9 shows t_rr drops ~20% from 25 °C to 125 °C at fixed dI_F/dt and V_R. At 125 °C and dI_F/dt = –200 A/µs, t_rr is 30 ns (typ), versus 53 ns (typ) at 25 °C-enabling more consistent high-frequency performance across thermal operating range.

Can STTH10002TV1 be used in parallel configurations for higher current?

Yes, but only with matched devices and symmetrical PCB layout. The datasheet specifies thermal coupling between diodes (R_th(c) = 0.1 °C/W), meaning unequal current sharing may occur if external thermal paths differ. For >100 A total, use separate devices with individual thermal management rather than relying on internal dual-diode symmetry.