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Home > Products > Discrete Semiconductor Products > Diodes > Rectifiers > Single Diodes

STMicroelectronics STPSC15H12G2Y-TR

Name: STPSC15H12G2Y-TR
Brand: STMicroelectronics
SKU: STPSC15H12G2Y-TR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: STPSC15H12G2Y-TR

Manufacturer:: STMicroelectronics

Category:: Single Diodes

Package:: TO-263-3, D2PAK (2 Leads + Tab), TO-263AB

Datasheet:: STPSC15H12G2Y-TR.pdf

Description:: DIODE SIL CARB 1.2KV 15A D2PAK

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Product details

Overview

STPSC15H12G2Y-TR from STMicroelectronics is a 15 A, 1200 V silicon carbide (SiC) Schottky power diode in D²PAK HV package, designed for high-efficiency PFC, on-board chargers (OBC), and DC/DC converters in electric vehicles. It delivers zero reverse recovery, temperature-independent switching, 1.35 V typical forward voltage at 15 A and 25 °C, and 5.38 mm minimum anode-to-cathode creepage distance compliant with IEC-60664-1.

For engineers reviewing the STPSC15H12G2Y-TR datasheet, STPSC15H12G2Y-TR pinout, STPSC15H12G2Y-TR application, or STPSC15H12G2Y-TR equivalent, key selection criteria include its 175 °C maximum junction temperature, 94 nC capacitive charge at 800 V, 0.45 °C/W typical junction-to-case thermal resistance, and AEC-Q101 qualification for automotive-grade reliability under hard-switching conditions.

Technical Context

This SiC Schottky diode replaces conventional silicon fast recovery diodes in high-voltage, high-frequency power conversion stages. Its wide bandgap enables a 1200 V blocking rating with negligible reverse recovery charge (Q_rr ≈ 0) and minimal temperature dependence of VF and C_j.

The D²PAK HV package provides enhanced creepage (5.38 mm anode-to-cathode) and thermal performance (R_th(j-c) = 0.45 °C/W typ.), supporting operation up to 175 °C junction temperature while maintaining robust surge capability (I_FSM = 105 A at 25 °C, 10 ms).

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	1200 V - Enables direct use in 800 V EV battery systems with >50% voltage margin for transient overvoltage handling
I_F(AV)	15 A at T_c = 155 °C - Sustains continuous conduction in high-power PFC boost stages without derating
V_F (typ.)	1.35 V at 15 A, 25 °C - Reduces conduction loss vs. Si FRD (≈2.2–2.8 V), lowering thermal stress in compact OBC designs
Q_Cj	94 nC at V_R = 800 V - Limits turn-off energy loss and EMI generation during hard switching in 100+ kHz DC/DC converters
R_th(j-c)	0.45 °C/W (typ.) - Enables efficient heat transfer to heatsink, supporting high-power density layouts in space-constrained EV modules
T_j(max)	175 °C - Allows full-rated operation in under-hood environments without active cooling or significant derating
C_j	1200 pF at V_R = 0 V - Predictable junction capacitance supports stable snubber design and EMI filtering across temperature

Pinout & Package

Housed in D²PAK HV (TO-263HV) package with isolated tab (anode), this device has two terminals: Anode (A) and Cathode (K). The package features extended creepage (5.38 mm min. A–K) and UL94 V0 epoxy molding compound for high-voltage isolation in automotive power electronics.

Pin/Terminal	Circuit Role	Design Meaning
Anode (Tab)	High-side current entry point	Electrically connected to metal tab; must be mounted to heatsink with insulating thermal interface; serves as primary high-voltage node in boost PFC
Cathode (Lead)	Low-side current exit point	Single gull-wing lead; connects to output bus or switching node; carries full load current with minimal parasitic inductance

Key Features

Feature	Design Value
AEC-Q101 qualified	Validated for automotive powertrain applications including OBC and traction DC/DC, with full temperature cycling, HTRB, and H3TRB testing
No reverse recovery (Q_rr ≈ 0)	Eliminates recovery-related switching losses and voltage overshoot, enabling higher frequency operation without snubbers
Temperature-stable VF and C_j	Forward voltage increases only ~0.4 V from 25 °C to 150 °C; capacitance variation <±15% across -40 to 175 °C
D²PAK HV creepage ≥5.38 mm	Meets reinforced insulation requirements per IEC-60664-1 for 800 V DC systems, reducing need for additional PCB spacing or potting
105 A non-repetitive surge rating	Withstands cold-start inrush and load dump transients in EV charging systems without failure

Applications

On-Board Charger (OBC)

High-Voltage DC/DC Converter

Use Scenario: Bidirectional AC/DC and DC/DC conversion in 400–800 V EV architectures, operating at 65–100 kHz.

IC Role / Device Role / Timing Role: Output rectifier in isolated LLC or phase-shifted full-bridge secondary side.

Use Value: Zero Q_rr eliminates secondary-side switching loss and reduces transformer RMS current, improving efficiency by 0.8–1.2% at full load.

Use Scenario: High-ratio step-down from 800 V battery to 48 V or 12 V auxiliary bus in BEV platforms.

IC Role / Device Role / Timing Role: Freewheeling diode in synchronous rectified buck or dual-active-bridge topologies.

Use Value: Stable 1.35–1.75 V V_F across temperature ensures predictable conduction loss and simplifies thermal design for 15 A continuous output.

Three-Phase PFC Front-End

Industrial Solar Inverter Boost Stage

Use Scenario: Three-level active front-end in 11 kW OBC, operating at 100 kHz with interleaved control.

IC Role / Device Role / Timing Role: High-side boost diode in Vienna rectifier configuration.

Use Value: 5.38 mm A–K creepage enables compact layout meeting IEC-60664-1 clearance requirements without conformal coating.

Use Scenario: Single-phase or three-phase string inverters with 1000–1500 V DC input, requiring high-reliability rectification.

IC Role / Device Role / Timing Role: Boost diode in MPPT stage handling 15 A average current at 1200 V blocking.

Use Value: 175 °C T_j(max) and AEC-Q101 qualification ensure long-term field reliability in uncooled rooftop enclosures with ambient up to 85 °C.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
C3D15120D-TR	Same 15 A / 1200 V rating; 1.45 V V_F (typ.) at 15 A; R_th(j-c) = 0.55 °C/W; TO-247-2L package	Higher thermal resistance and larger footprint; requires more PCB area and mechanical mounting provisions	Prefer when legacy TO-247 heatsink infrastructure exists and creepage >5 mm is not required
SS15120S	15 A / 1200 V; 1.55 V V_F (typ.); R_th(j-c) = 0.50 °C/W; D²PAK-3L (non-HV) package; 3.2 mm A–K creepage	Lacks IEC-60664-1 compliance for 800 V systems due to reduced creepage; not AEC-Q101 qualified	Select only for cost-sensitive industrial non-automotive applications where 5.38 mm creepage is unnecessary

Compared with C3D15120D-TR and SS15120S, STPSC15H12G2Y-TR uniquely combines AEC-Q101 qualification, D²PAK HV packaging with 5.38 mm creepage, and lowest V_F (1.35 V) - making it the optimal choice for space-constrained, safety-critical EV power stages requiring IEC-60664-1 compliance and thermal efficiency.

Availability

STPSC15H12G2Y-TR is available at Aetrix Electronics and suitable for on-board chargers (OBC), high-voltage DC/DC converters, and three-phase PFC front-ends requiring stable component supply, automotive-grade qualification, and high-voltage isolation integrity.

Supply support for STPSC15H12G2Y-TR 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, delivering intelligent power, microcontrollers, sensors, and analog solutions for automotive, industrial, and consumer markets.

This device belongs to ST's STPSC family of silicon carbide Schottky diodes, engineered specifically for high-efficiency, high-reliability power conversion in electric vehicle charging and traction systems.

FAQ

Is STPSC15H12G2Y-TR suitable for synchronous rectification?

No - it is a unidirectional Schottky diode with fixed anode–cathode polarity and no gate control. Synchronous rectification requires actively switched MOSFETs. This device serves as a passive, ultra-low-loss freewheeling or output rectifier where zero Q_rr and low V_F are critical.

What is the maximum recommended case temperature for continuous operation?

The datasheet specifies I_F(AV) = 15 A at T_c = 155 °C. Operation above this case temperature requires current derating per Figure 3. At T_c = 175 °C, the maximum sustainable DC current drops to approximately 9.5 A to maintain T_j ≤ 175 °C with R_th(j-c) = 0.45 °C/W.

Does the D²PAK HV package require special PCB layout considerations?

Yes - the anode tab must be soldered to a large copper pour (≥30 cm² recommended per Figure 8) for thermal performance. Creepage between anode and cathode traces must maintain ≥5.38 mm on outer layers; inner-layer routing beneath the tab must avoid proximity to cathode net to preserve isolation integrity.

Can STPSC15H12G2Y-TR replace silicon diodes in existing 1200 V designs without circuit modification?

Yes - it is a direct drop-in replacement for TO-247 or D²PAK silicon FRDs in terms of voltage rating and average current, but system-level benefits (reduced heatsink size, higher switching frequency, lower EMI) may require minor snubber or gate-drive tuning due to its near-zero reverse recovery and faster switching transitions.

STPSC15H12G2Y-TR Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: ECOPACK®2

Package/Case:: TO-263-3, D2PAK (2 Leads + Tab), TO-263AB

Packaging:: Tape & Reel (TR)

Product Status:: Active

Technology:: SiC (Silicon Carbide) Schottky

Voltage - DC Reverse (Vr) (Max):: 1200 V

Current - Average Rectified (Io):: 15A

Voltage - Forward (Vf) (Max) @ If:: 1.5 V @ 15 A

Speed:: No Recovery Time > 500mA (Io)

Reverse Recovery Time (trr):: 0 ns

Current - Reverse Leakage @ Vr:: 90 µA @ 1200 V

Capacitance @ Vr, F:: 1200pF @ 0V, 1MHz

Grade:: Automotive

Qualification:: AEC-Q101

Mounting Type:: Surface Mount

Supplier Device Package:: D2PAK HV

Operating Temperature - Junction:: -40°C ~ 175°C

STPSC15H12G2Y-TR FAQ

1.How can I place an order for STPSC15H12G2Y-TR through Aetrix?

Please submit a Request for Quotation (RFQ) for STPSC15H12G2Y-TR 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 STPSC15H12G2Y-TR reliable?

The price and inventory of STPSC15H12G2Y-TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STPSC15H12G2Y-TR is usually 5 days.

3.What payment methods are accepted for STPSC15H12G2Y-TR?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STPSC15H12G2Y-TR transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for STPSC15H12G2Y-TR?

STPSC15H12G2Y-TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your STPSC15H12G2Y-TR 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 STPSC15H12G2Y-TR?

For technical support, including STPSC15H12G2Y-TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STPSC15H12G2Y-TR requirements.

6.How does Aetrix verify that STPSC15H12G2Y-TR is sourced from the original manufacturer or authorized distributors?

All STPSC15H12G2Y-TR 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 STPSC15H12G2Y-TR meets industry standards.

7.What is the process for return or replacement of STPSC15H12G2Y-TR?

All STPSC15H12G2Y-TR units undergo pre-shipment inspection (PSI). If there is an issue with STPSC15H12G2Y-TR, 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 STPSC15H12G2Y-TR part is unused and in its original packaging.

Return procedure for STPSC15H12G2Y-TR:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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