Toshiba Semiconductor and Storage TW015N120C,S1F

Overview

TW015N120C,S1F from Toshiba Electronic Devices & Storage Corporation is a silicon carbide (SiC) N-channel power MOSFET designed for high-voltage switching in industrial DC-DC converters and motor drives. It delivers 1200 V drain-source breakdown voltage, 15 mΩ typical R_DS(ON), integrated SiC Schottky body diode with −1.35 V forward voltage, and operates up to 175 °C channel temperature.

For engineers reviewing the TW015N120C,S1F datasheet, TW015N120C,S1F pinout, TW015N120C,S1F application, or TW015N120C,S1F equivalent, key selection criteria include its third-generation SiC chip architecture, gate drive compatibility with 18 V turn-on/0 V turn-off, low C_oss-related switching loss, and TO-247 package thermal performance under high-power hard-switching conditions.

Technical Context

The TW015N120C,S1F implements a third-generation SiC MOSFET die with monolithically integrated Schottky barrier diode, enabling unidirectional reverse conduction without parasitic bipolar turn-on. Its 3.0–5.0 V gate threshold voltage ensures robust noise immunity in high-dV/dt environments.

Designed for hard-switched topologies, it supports 50 A continuous drain current at T_c = 100 °C and exhibits 6000 pF input capacitance at V_DS = 800 V, with 496 nC total gate charge and 106 µJ output energy stored in C_oss - parameters critical for optimizing gate driver sizing and snubber design.

Key Specifications

Pinout & Package

Package: TO-247 (TOSHIBA 2-16L1A), thermally optimized with drain-connected heatsink tab. Weight: 6.15 g (typ.).

Key Features

Applications

Equivalent & Alternatives

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

Compared with STP15N120K6 and IXTH15N120X2, the TW015N120C,S1F uniquely combines integrated body diode functionality with industry-standard 3-pin TO-247 footprint - enabling drop-in replacement in legacy SiC designs without gate loop or source routing changes.

Availability

TW015N120C,S1F is available at Aetrix Electronics and suitable for industrial motor drives, renewable energy inverters, and high-efficiency server power supplies requiring stable component supply across multi-year production cycles.

Supply support for TW015N120C,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 over 50 years of power electronics innovation.

The TW015N120C,S1F belongs to Toshiba's third-generation SiC MOSFET product line, engineered specifically for high-efficiency, high-reliability industrial and energy infrastructure applications demanding 1200 V blocking capability and low-loss switching.

FAQ

What is the recommended gate drive voltage for TW015N120C,S1F?

The TW015N120C,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 of the SiC MOSFET channel while maintaining safe margin below the ±25 V absolute maximum V_GS. Operating below 15 V risks incomplete turn-on and elevated R_DS(ON), while exceeding 20 V increases gate oxide stress and long-term reliability risk. The TW015N120C,S1F gate threshold range of 3.0–5.0 V further supports robust operation under noisy gate drive conditions.

Does TW015N120C,S1F have an integrated body diode, and how does it differ from silicon MOSFETs?

Yes, the TW015N120C,S1F integrates a monolithic SiC Schottky barrier diode, not a parasitic PN junction. This results in a typical forward voltage of −1.35 V and zero reverse recovery charge (Q_rr), unlike silicon MOSFETs whose body diodes exhibit high Q_rr and slow trr. The TW015N120C,S1F's integrated diode enables efficient bidirectional conduction in bridge-leg configurations without external diodes, reducing system size and eliminating reverse recovery losses that degrade efficiency in hard-switched topologies.

What thermal resistance values apply to TW015N120C,S1F in TO-247 package?

The TW015N120C,S1F has a channel-to-case thermal resistance (R_th(ch-c)) of 0.348 °C/W maximum, measured under standard mounting conditions with thermal interface material and 0.8 N·m screw torque. Its channel-to-ambient value is 50 °C/W maximum, but this is highly dependent on heatsink design and airflow. For reliable operation, the TW015N120C,S1F channel temperature must not exceed 175 °C - meaning a 100 °C heatsink temperature allows only 75 °C ΔT, limiting continuous power dissipation to approximately 215 W with the specified R_th(ch-c).

Can TW015N120C,S1F replace silicon IGBTs in existing 1200 V inverter designs?

Yes, the TW015N120C,S1F can replace 1200 V IGBTs in many inverter applications, but gate drive and layout modifications are required. Unlike IGBTs, the TW015N120C,S1F needs faster gate drivers (≥30 A peak) due to its 158 nC Q_g, and its low gate charge sensitivity demands tighter control of gate loop inductance to prevent oscillation. The TW015N120C,S1F also eliminates tail current, enabling higher switching frequencies (up to 100 kHz) and smaller passive components - however, its higher dV/dt requires careful EMI filtering and layout optimization not needed for slower IGBTs.

What is the maximum continuous drain current rating for TW015N120C,S1F at different case temperatures?

The TW015N120C,S1F is rated for 100 A DC at T_c = 25 °C and derates to 81 A DC at T_c = 100 °C, per its Absolute Maximum Ratings table. These values assume proper heatsinking and adherence to the 0.348 °C/W R_th(ch-c). At T_c = 125 °C, the device supports approximately 65 A DC based on linear interpolation of the derating curve. Exceeding these currents risks exceeding the 175 °C maximum channel temperature, accelerating wear-out mechanisms. The TW015N120C,S1F pulsed drain current reaches 336 A (T_c = 25 °C), useful for short-duration overload conditions like motor startup.