Toshiba Semiconductor and Storage TW083Z65C,S1F

Overview

TW083Z65C,S1F from Toshiba Electronic Devices & Storage Corporation is a silicon carbide (SiC) N-channel power MOSFET with integrated Schottky barrier diode, rated for 650 V drain-source voltage and 83 mΩ typical R_DS(ON) at 18 V gate drive, designed for high-efficiency switching voltage regulators in industrial and server power supplies.

For engineers reviewing the TW083Z65C,S1F datasheet, TW083Z65C,S1F pinout, TW083Z65C,S1F application, or TW083Z65C,S1F equivalent, key selection criteria include its third-generation SiC chip architecture, low diode forward voltage (−1.35 V), high threshold voltage (3.0–5.0 V), TO-247-4L(X) package with dedicated gate-return source pin, and pulsed drain current capability up to 66 A.

Technical Context

The TW083Z65C,S1F implements an enhancement-mode SiC MOSFET structure with built-in body diode functionality, enabling zero-recovery-charge switching in hard-commutated topologies. Its gate threshold voltage range (3.0–5.0 V) reduces susceptibility to noise-induced turn-on while supporting robust 18 V gate drive for minimized conduction loss.

Thermal design is enabled by low channel-to-case thermal resistance (1.35 °C/W) and maximum channel temperature rating of 175 °C. The device operates with specified dynamic parameters including 873 pF input capacitance, 28 nC total gate charge, and 98 µJ turn-on switching loss under 400 V/15 A conditions.

Key Specifications

Pinout & Package

Package: TO-247-4L(X), also designated 2-16M3A by Toshiba; thermally optimized 4-pin through-hole package with isolated gate-return terminal and integral heatsink-connected drain tab.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar SiC MOSFET switching applications.

Compared with STP80N65DM6AG and IXTH80N65X2, the TW083Z65C,S1F offers superior system-level efficiency in hard-switched converters due to its integrated low-V_F diode and dedicated Source 2 pin, reducing both component count and gate-loop instability-critical for high-volume server and telecom power designs.

Availability

TW083Z65C,S1F is available at Aetrix Electronics and suitable for industrial switch-mode power supplies, server DC-DC converters, telecom rectifier modules, and renewable energy inverters requiring stable component supply and long-term production continuity.

Supply support for TW083Z65C,S1F 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

Toshiba Electronic Devices & Storage Corporation is a Japanese semiconductor manufacturer specializing in power devices, logic ICs, and storage solutions, with decades of expertise in SiC technology development and high-reliability power component manufacturing.

The TW083Z65C,S1F belongs to Toshiba's third-generation SiC MOSFET product line, engineered specifically for high-frequency, high-efficiency switching applications in industrial and data center power systems where thermal performance and switching loss reduction are critical.

FAQ

What is the recommended gate drive voltage for TW083Z65C,S1F?

The TW083Z65C,S1F specifies a recommended gate-source drive voltage of 18 V for turn-on and 0 V for turn-off. This 18 V level ensures full enhancement and minimizes R_DS(ON), while the high V_th range (3.0–5.0 V) prevents unintended turn-on. Operating outside this range-especially above +25 V or below −10 V-exceeds absolute maximum ratings and risks permanent gate oxide damage. The TW083Z65C,S1F must never be driven with negative gate voltage during normal switching.

Does TW083Z65C,S1F have an integrated body diode, and how does it differ from silicon MOSFETs?

Yes, the TW083Z65C,S1F integrates a silicon carbide Schottky barrier diode, not a parasitic PN junction body diode. This results in a typical forward voltage of −1.35 V and near-zero reverse recovery charge (Q_rr = 189 nC), eliminating reverse recovery losses and associated EMI. Unlike silicon MOSFETs, the TW083Z65C,S1F diode conducts efficiently in reverse direction without minority-carrier storage delay, making it ideal for synchronous rectification and bidirectional topologies.

Why does TW083Z65C,S1F use a 4-pin TO-247-4L(X) package instead of standard 3-pin TO-247?

The TW083Z65C,S1F uses TO-247-4L(X) to separate the gate-drive return path (Source 2) from the main power return (Source 1). This isolation prevents high di/dt current from modulating the gate voltage via shared source inductance-a common cause of spurious turn-on in fast-switching SiC MOSFETs. Using Source 2 exclusively for gate loop return is mandatory per Toshiba's layout guidance; failure to do so risks shoot-through and device failure in the TW083Z65C,S1F.

What is the maximum continuous drain current rating for TW083Z65C,S1F at 100 °C case temperature?

At T_c = 100 °C, the TW083Z65C,S1F has a DC drain current rating of 21 A, as defined in its Absolute Maximum Ratings table. This value reflects thermal limitation-not electrical-so actual usable current depends on heatsink performance, ambient temperature, and airflow. For sustained 30 A operation, case temperature must be maintained at or below 25 °C using a low-thermal-resistance heatsink and forced convection, as confirmed by the TW083Z65C,S1F's R_th(ch-c) = 1.35 °C/W specification.

Is TW083Z65C,S1F RoHS compliant, and what marking indicates compliance?

Yes, the TW083Z65C,S1F is RoHS compliant. Per Toshiba's marking convention, RoHS-compliant units feature an underlined lot number on the device body, indicating [[G]]/RoHS COMPATIBLE or [[G]]/RoHS [[Pb]]. Non-underlined lot numbers denote lead-containing versions. Environmental compliance details-including Pb-free status and halogen content-are documented in Toshiba's official product change notices and should be verified against the specific date code of the TW083Z65C,S1F unit received.