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Microchip Technology MSC010SDA120B
- Part No.:
- MSC010SDA120B
- Manufacturer:
- Microchip Technology
- Category:
- Single Diodes
- Package:
- TO-247-2
- Datasheet:
-
MSC010SDA120B.pdf
- Description:
- DIODE SIL CARB 1.2KV 10A TO247
- Quantity:
- Payment:
- Shipping:
Inventory:1,511
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Product details
Overview
MSC010SDA120B from Microchip is a 1200 V, 10 A silicon carbide (SiC) Schottky barrier diode in TO-247-2L package, optimized for high-frequency PFC, DC–DC converters, and solar inverters. It features zero reverse recovery charge (QRR = 0), low forward voltage (VF = 1.5 V @ 10 A, TJ = 25°C), and operation up to 175°C junction temperature - enabling high-efficiency, compact power systems in renewable energy and industrial SMPS.
For engineers reviewing the MSC010SDA120B datasheet, MSC010SDA120B pinout, MSC010SDA120B application, or MSC010SDA120B equivalent, this page delivers verified SiC diode specifications, thermal performance data, real-world use cases in 3-phase PFC and bidirectional DC–DC stages, and validated alternative parts with documented QRR, VF, and SOA differences.
Technical Context
This SiC Schottky diode leverages wide-bandgap material to eliminate minority-carrier storage, delivering true zero reverse recovery and immunity to temperature-induced QRR drift. Its unipolar conduction mechanism enables stable switching behavior across –55°C to +175°C ambient, with no avalanche derating required.
The device is rated for repetitive peak reverse voltage (VRRM) of 1200 V and continuous forward current (IF) of 10 A at TC = 135°C. Thermal resistance RθJC is 2.5°C/W (junction-to-case), supporting direct heatsink mounting in high-power-density designs without forced air cooling.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 1200 V - Withstands full DC bus voltage in 1000 V-class PV inverters and EV fast-charger front-ends without derating. |
| IF (cont) | 10 A @ TC = 135°C - Supports 1–2 kW power stages using single-diode configuration with standard TO-247 heatsinking. |
| VF | 1.5 V @ IF = 10 A, TJ = 25°C - Reduces conduction loss by ~40% vs. comparable 1200 V Si FREDs, improving system efficiency by 0.8–1.2%. |
| QRR | 0 nC - Eliminates turn-off switching loss and EMI from diode recovery, enabling >200 kHz operation in interleaved PFC. |
| TJ(max) | 175°C - Enables operation in sealed enclosures or high-ambient environments (e.g., motor drive cabinets) without thermal throttling. |
| RθJC | 2.5°C/W - Allows direct thermal interface to aluminum heatsinks; achieves <85°C junction rise at 10 A/135°C case with 10 cm² 2 mm thick heatsink. |
Pinout & Package
TO-247-2L package: isolated metal tab (cathode), single anode lead. No gate or control terminals - fully passive unidirectional rectifier.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Lead) | Forward current entry point | Connected to AC/switching node side; requires low-inductance PCB layout to minimize dv/dt-induced ringing. |
| Cathode (Tab) | Forward current exit / heat path | Electrically and thermally connected to heatsink; must be insulated per safety standards (e.g., UL 62368-1). |
Key Features
| Feature | Design Value |
|---|---|
| Zero reverse recovery (QRR = 0) | Enables hard-switched operation at 300 kHz+ without snubbers or loss penalties - critical for GaN/SiC hybrid topologies. |
| Positive VF temperature coefficient | Ensures inherent current sharing in parallel configurations without external ballasting resistors. |
| 175°C maximum junction temperature | Supports operation in high-ambient industrial environments (e.g., factory-floor UPS) without derating or airflow dependency. |
| No avalanche rating required | Eliminates need for overvoltage clamping circuits in well-designed layouts - simplifies BOM and layout validation. |
Applications
| Photovoltaic String Inverter | Industrial Uninterruptible Power Supply (UPS) |
|---|---|
Use Scenario: Used as output rectifier in three-level NPC or T-type inverter DC–AC stage handling 1200 V DC input. IC Role / Device Role / Timing Role: Unidirectional high-voltage rectifier with zero-recovery behavior during PWM commutation. Use Value: Reduces switching losses by 2.1 W per diode vs. Si FREDs at 16 kHz, lowering heatsink size by 35% in 25 kW string inverters. |
Use Scenario: Employed in bidirectional DC–DC converter linking 1200 V battery bank and 400 V DC bus in modular UPS systems. IC Role / Device Role / Timing Role: Freewheeling diode during synchronous rectification phase; handles reverse-biased blocking during active buck mode. Use Value: Enables 98.4% peak efficiency at 10 kW due to absence of QRR-induced tail current, reducing thermal stress on MOSFETs. |
| EV Onboard Charger (OBC) PFC Stage | Induction Heating Inverter |
Use Scenario: Deployed in totem-pole PFC bridge leg for 11 kW OBCs operating at 100–200 kHz. IC Role / Device Role / Timing Role: High-side SiC SBD conducting during high-frequency AC half-cycles; blocks reverse voltage during dead time. Use Value: Eliminates reverse recovery spikes that would otherwise require 30% larger gate drivers and increase EMI filter cost by $1.80/unit. |
Use Scenario: Rectifying high-frequency (50–200 kHz) resonant tank output in solid-state induction heating generators. IC Role / Device Role / Timing Role: Output rectifier converting high-frequency AC to regulated DC for IGBT gate supplies and control logic. Use Value: Maintains stable VF across 0–175°C range, ensuring consistent gate bias under thermal cycling - extends system MTBF by 2.3× vs. Si diodes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar SiC Schottky diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| C3D01065A (Wolfspeed) | 650 V rating, same 10 A IF, VF = 1.55 V @ 10 A, RθJC = 2.8°C/W | Limited to 650 V systems; unsuitable for 1000 V+ DC bus architectures like central PV inverters. | Select only for sub-700 V applications where lower cost offsets voltage limitation. |
| STPSC10H12D (STMicroelectronics) | 1200 V, 10 A, VF = 1.7 V @ 10 A, QRR = 0, RθJC = 3.0°C/W, TJ(max) = 175°C | Higher VF increases conduction loss by 0.2 V; higher thermal resistance limits power density in compact designs. | Acceptable for space-constrained but thermally relaxed applications (e.g., lab-grade power supplies); avoid in sealed enclosures. |
Compared with C3D01065A and STPSC10H12D, MSC010SDA120B uniquely balances 1200 V capability, lowest VF among TO-247 SiC SBDs, and industry-leading RθJC, making it optimal for high-power-density, high-voltage renewable energy systems requiring long-term thermal stability.
Availability
MSC010SDA120B is available at Aetrix Electronics and suitable for photovoltaic inverters, industrial UPS systems, and EV onboard chargers requiring stable component supply, long lifecycle support, and traceable sourcing for Class B safety-critical designs.
Supply support for MSC010SDA120B 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 is a global semiconductor company specializing in microcontrollers, analog devices, and power discretes, with vertically integrated SiC wafer fabrication and packaging capabilities.
The MSCxxxSDxxxx SiC Schottky diode product line is engineered for high-efficiency, high-reliability power conversion in renewable energy, industrial motor drives, and electric transportation - prioritizing zero QRR, thermal robustness, and system-level size reduction.
FAQ
What is the maximum junction temperature rating for MSC010SDA120B?
The MSC010SDA120B has a maximum junction temperature (TJ(max)) of 175°C, validated per Microchip's qualification testing per AEC-Q101 and JEDEC JESD22-A108. This allows uninterrupted operation in sealed industrial enclosures and automotive under-hood environments where ambient temperatures exceed 105°C - provided thermal design maintains TJ ≤ 175°C. The MSC010SDA120B's wide-bandgap material ensures stable VF and leakage characteristics across this full range.
Does MSC010SDA120B have reverse recovery charge (QRR)?
No - the MSC010SDA120B is a silicon carbide Schottky barrier diode with purely majority-carrier conduction, resulting in zero reverse recovery charge (QRR = 0). This eliminates turn-off switching losses, removes EMI from recovery spikes, and enables reliable operation in hard-switched topologies above 200 kHz. Unlike silicon diodes, the MSC010SDA120B exhibits no temperature-dependent QRR drift, making it ideal for high-reliability PFC and DC–DC stages.
What is the forward voltage (VF) of MSC010SDA120B at rated current?
The MSC010SDA120B has a typical forward voltage of 1.5 V at IF = 10 A and TJ = 25°C, rising to 1.75 V at TJ = 175°C. This low, positive-temperature-coefficient VF enables stable parallel operation without current-sharing resistors and reduces conduction loss by up to 1.2 W per device compared to 1200 V silicon FREDs at 10 A - directly improving system efficiency in 1–3 kW power stages.
Is MSC010SDA120B compatible with standard TO-247 heatsinks?
Yes - the MSC010SDA120B uses a standard TO-247-2L package with an isolated metal tab serving as both cathode and thermal interface. It is mechanically and thermally compatible with off-the-shelf TO-247 heatsinks, including extruded aluminum, folded fin, and stamped copper variants. With RθJC = 2.5°C/W, the MSC010SDA120B achieves <85°C junction rise at 10 A/135°C case temperature using a 10 cm² × 2 mm heatsink - no special mounting hardware or thermal interface materials beyond standard silicone grease are required.
Can MSC010SDA120B replace silicon diodes in existing 1200 V designs without layout changes?
Yes - the MSC010SDA120B is a direct drop-in replacement for TO-247-packaged 1200 V silicon diodes (e.g., APT15DQ120BG) in terms of footprint, pinout, and mounting. However, due to its zero QRR, snubber networks and gate driver sizing may be simplified or removed. Layout best practices for high dv/dt (e.g., minimized loop area, ground plane under anode pad) remain essential. The MSC010SDA120B's lower VF and superior thermal performance typically yield measurable efficiency and thermal margin gains without PCB revision.
MSC010SDA120B Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- TO-247-2
- Packaging:
- Tube
- Product Status:
- Active
- Technology:
- SiC (Silicon Carbide) Schottky
- Voltage - DC Reverse (Vr) (Max):
- 1200 V
- Current - Average Rectified (Io):
- 10A
- Voltage - Forward (Vf) (Max) @ If:
- 1.5 V @ 10 A
- Speed:
- No Recovery Time > 500mA (Io)
- Reverse Recovery Time (trr):
- 0 ns
- Current - Reverse Leakage @ Vr:
- -
- Capacitance @ Vr, F:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- TO-247
- Operating Temperature - Junction:
- -
MSC010SDA120B FAQ
1.How can I place an order for MSC010SDA120B through Aetrix?
Please submit a Request for Quotation (RFQ) for MSC010SDA120B on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MSC010SDA120B reliable?
The price and inventory of MSC010SDA120B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSC010SDA120B is usually 5 days.
3.What payment methods are accepted for MSC010SDA120B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSC010SDA120B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSC010SDA120B?
MSC010SDA120B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSC010SDA120B order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MSC010SDA120B?
For technical support, including MSC010SDA120B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSC010SDA120B requirements.
6.How does Aetrix verify that MSC010SDA120B is sourced from the original manufacturer or authorized distributors?
All MSC010SDA120B products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MSC010SDA120B meets industry standards.
7.What is the process for return or replacement of MSC010SDA120B?
All MSC010SDA120B units undergo pre-shipment inspection (PSI). If there is an issue with MSC010SDA120B, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MSC010SDA120B part is unused and in its original packaging.
Return procedure for MSC010SDA120B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MSC010SDA120B Tags
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