Microchip Technology MSC010SDA070BCT

Overview

MSC010SDA070BCT from Microchip is a 700 V, 10 A silicon carbide Schottky dual diode in common-cathode configuration, housed in a TO-247 package with three terminals. It serves as a high-efficiency freewheeling or anti-parallel diode in high-frequency power converters, delivering no reverse recovery, low forward voltage (1.8 V @ 10 A, 25 °C), and low leakage (<200 µA @ 700 V, 25 °C).

For engineers reviewing the MSC010SDA070BCT datasheet, MSC010SDA070BCT pinout, MSC010SDA070BCT application, or MSC010SDA070BCT equivalent, this SiC diode is selected for PFC stages, motor drive inverters, and snubber circuits where thermal robustness, avalanche energy rating (100 mJ), and junction-to-case thermal resistance (1.3–1.8 °C/W) are critical design constraints.

Technical Context

The MSC010SDA070BCT integrates two identical SiC Schottky diode dies sharing a common cathode terminal, enabling synchronous operation in half-bridge or full-bridge topologies. Its zero reverse recovery charge eliminates switching tail current and associated losses, while its low junction capacitance (46 pF @ 400 V) supports >100 kHz switching frequencies without excessive capacitive turn-on loss.

Rated for continuous operation up to 175 °C junction temperature and avalanche-energy rated (EAS = 100 mJ), it sustains transient overvoltage events without failure. The TO-247 package provides low thermal resistance and mechanical stability for high-power industrial and automotive-grade power supplies.

Key Specifications

Pinout & Package

Package: TO-247 (3-lead, isolated tab). Dimensions per Microchip DS00004717A: H = 20.80–21.46 mm, I = 19.81–20.32 mm, N = 15.49–16.26 mm, weight = 6.2 g. Mounting torque: 1.1 N·m (10 lbf·in).

Key Features

Applications

Equivalent & Alternatives

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

Compared with C3D10070H and STPSC1007D, the MSC010SDA070BCT offers superior avalanche ruggedness (100 mJ) and lower thermal resistance (1.3–1.8 °C/W), making it optimal for high-reliability industrial inverters and PFC modules where transient robustness and thermal headroom are non-negotiable.

Availability

MSC010SDA070BCT is available at Aetrix Electronics and suitable for power factor correction, motor drive inverters, and industrial switch-mode power supplies requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for MSC010SDA070BCT 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

Microchip Technology Inc. is a U.S.-based semiconductor manufacturer specializing in microcontrollers, analog devices, and power semiconductors, with global design, manufacturing, and support infrastructure.

The MSC010SDA070BCT belongs to Microchip's silicon carbide Schottky diode product line, engineered specifically for high-voltage, high-frequency power conversion systems demanding zero reverse recovery, high-temperature reliability, and avalanche survivability.

FAQ

What is the maximum junction temperature rating for the MSC010SDA070BCT?

The MSC010SDA070BCT has a maximum operating junction temperature of 175 °C, verified per Microchip DS00004717A-page 2. This rating enables reliable operation in high-ambient environments such as enclosed motor drives or industrial power supplies, provided thermal design maintains TJ ≤ 175 °C under worst-case load and ambient conditions. The MSC010SDA070BCT must be mounted with appropriate thermal interface material and heatsink to achieve this limit.

Does the MSC010SDA070BCT support parallel operation of its two diode legs?

Yes - the MSC010SDA070BCT is designed with matched die characteristics, allowing both anode terminals (Terminals 1 and 3) to conduct simultaneously into the common cathode (Terminal 2). Microchip specifies all parameters "per leg" in DS00004717A, confirming symmetrical performance. For balanced current sharing, ensure equal PCB trace lengths and thermal coupling; the MSC010SDA070BCT's matched VF and thermal resistance support this configuration in interleaved PFC or dual-output SMPS.

Is the MSC010SDA070BCT RoHS compliant and lead-free?

Yes, the MSC010SDA070BCT is RoHS compliant per EU Directive 2011/65/EU, with lead-free terminations and halogen-free molding compound, as stated in the "Features" section of DS00004717A-page 1. This compliance applies to the full device including internal die attach, wire bonds, and external leads. The MSC010SDA070BCT meets JEDEC J-STD-020 moisture sensitivity level (MSL) requirements for surface-mount assembly processes.

What is the repetitive peak forward surge current rating for the MSC010SDA070BCT?

The MSC010SDA070BCT has a repetitive peak forward surge current (IFRM) rating of 34 A for tp = 8.3 ms (half-sine wave), per Table 1-1 in DS00004717A-page 1. This rating applies to each diode leg independently and supports short-duration overload conditions such as inrush limiting or intermittent motor startup. The MSC010SDA070BCT also supports a higher non-repetitive surge (IFSM = 58 A) for fault-clearing scenarios.

How does the junction capacitance of the MSC010SDA070BCT vary with reverse voltage?

The MSC010SDA070BCT exhibits voltage-dependent junction capacitance: 353 pF at VR = 1 V, 54 pF at VR = 200 V, and 46 pF at VR = 400 V (DS00004717A-page 2, Table 1-3). This nonlinear reduction supports efficient high-frequency switching by minimizing capacitive turn-on loss at operating bus voltages. At typical 400 V PFC bus levels, the MSC010SDA070BCT's 46 pF value helps suppress EMI and reduce switching node ringing compared to silicon alternatives.