Taiwan Semiconductor Corporation SK12H60
- Part No.:
- SK12H60
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- DO-201AD, Axial
- Datasheet:
-
SK12H60.pdf
- Description:
- DIODE SCHOTTKY 60V 12A DO201AD
- Quantity:
- Payment:

- Shipping:

Inventory:4,467
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Product details
Overview
SK12H60 from Taiwan Semiconductor is a 12A, 60V Schottky barrier rectifier in DO-201AD package, featuring low forward voltage (0.70 V max at 12 A, 25°C), high surge current capability (320 A), and AEC-Q101 qualification for automotive-grade reliability. It serves as a primary output rectifier in high-efficiency DC/DC converters and SMPS.
For engineers reviewing the SK12H60 datasheet, SK12H60 pinout, SK12H60 application, or SK12H60 equivalent, key selection criteria include its 60 V repetitive peak reverse voltage, 175°C maximum junction temperature, thermal resistance (RθJC = 10°C/W), and AEC-Q101 qualification status - all critical for automotive power supply and industrial adapter designs.
Technical Context
The SK12H60 employs a single-die Schottky structure with guard ring protection to withstand transient overvoltage events. Its low VF and high IFSM enable efficient energy conversion in high-frequency switching topologies where conduction loss minimization is essential.
Designed for operation up to 175°C junction temperature, it maintains stable reverse leakage (<20 mA at 100°C) and exhibits RθJA = 30°C/W under standard PCB mounting - enabling compact thermal design in space-constrained power modules.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 60 V - supports input/output rails up to 60 V DC without breakdown |
| IF | 12 A continuous - delivers full rated current in DC forward mode with proper heatsinking |
| IFSM | 320 A (8.3 ms half-sine) - withstands high-energy surges during startup or fault conditions |
| VF max | 0.70 V @ 12 A, 25°C - reduces conduction loss vs. silicon diodes, improving system efficiency |
| TJ max | 175°C - enables operation in under-hood automotive environments and sealed industrial enclosures |
| RθJC | 10°C/W - allows direct case-to-heatsink thermal path for effective power dissipation |
| AEC-Q101 | Qualified - meets stress test requirements for automotive electronic components (HTOL, TC, HTRB, etc.) |
Pinout & Package
Package: DO-201AD - axial-lead, molded plastic case with cathode band marking; UL 94V-0 rated compound; pure tin-plated leads compliant with J-STD-002 solderability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Lead 1) | Current entry point under forward bias | Connected to lower-potential node (e.g., switch node or ground return in synchronous buck) |
| Cathode (Lead 2, banded end) | Current exit point under forward bias; reverse-blocking terminal | Connected to output rail; polarity marking ensures correct orientation during manual or automated assembly |
Key Features
| Feature | Design Value |
|---|---|
| Guard ring structure | Prevents edge breakdown under high dv/dt or transient overvoltage, enhancing ruggedness in noisy automotive environments |
| Low VF (0.70 V max) | Reduces forward power loss by ~40% vs. comparable 60 V Si diodes, lowering thermal load in dense PCB layouts |
| AEC-Q101 qualification | Validates reliability for automotive powertrain and body electronics applications per JEDEC stress test standards |
| Halogen-free & RoHS compliant | Meets IEC 61249-2-21 and EU RoHS Directive - supports environmentally regulated OEM supply chains |
| Junction-to-case thermal resistance | 10°C/W enables direct thermal coupling to chassis or heatsink, simplifying thermal management vs. higher-RθJC alternatives |
Applications
| Automotive DC/DC Converters | Industrial SMPS Outputs |
|---|---|
Use Scenario: 12 V to 5 V/3.3 V step-down converter in engine control unit (ECU) power distribution. IC Role / Device Role / Timing Role: Output rectifier replacing fast recovery diode to reduce losses and improve efficiency. Use Value: 0.70 V forward drop lowers conduction loss by >1.5 W at 12 A, reducing heatsink size and enabling smaller ECU form factor. | Use Scenario: Secondary-side rectification in 48 V telecom rectifier module operating at 200 kHz switching frequency. IC Role / Device Role / Timing Role: High-current freewheeling path during MOSFET off-time in synchronous flyback topology. Use Value: 320 A surge rating handles repetitive inrush transients without degradation, extending service life in 24/7 operation. |
| Laptop Adapter Secondary Side | EV Onboard Charger Auxiliary Supply |
Use Scenario: Output rectification stage in 65 W GaN-based USB-C PD adapter. IC Role / Device Role / Timing Role: Low-loss unidirectional current path after transformer secondary winding. Use Value: 175°C TJ max allows operation at elevated ambient temperatures inside sealed adapter housing without derating. | Use Scenario: Isolated auxiliary supply (12 V @ 2 A) powering gate drivers and MCU in 6.6 kW OBC. IC Role / Device Role / Timing Role: Rectifier in flyback-derived auxiliary converter fed from main DC link. Use Value: AEC-Q101 qualification ensures compliance with automotive functional safety requirements for auxiliary power subsystems. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Schottky rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Vishay VS-12CW60-M3 | Same 60 V VRRM, 12 A IF, but TO-277 package (surface-mount); VF = 0.72 V max | Requires rework of footprint and stencil; better suited for automated SMT lines than through-hole DO-201AD | Select when board-level automation and space constraints outweigh manual assembly flexibility |
| ON Semiconductor SB1260 | 60 V VRRM, 12 A IF, DO-201AD package, but not AEC-Q101 qualified; VF = 0.75 V max | Lacks automotive qualification; suitable only for commercial/industrial grade systems | Choose for cost-sensitive non-automotive applications where AEC-Q101 is not mandated |
Compared with VS-12CW60-M3 and SB1260, the SK12H60 uniquely combines AEC-Q101 qualification, DO-201AD through-hole compatibility, and 0.70 V forward voltage - making it the preferred choice for automotive and high-reliability industrial rectification where qualification and legacy assembly processes matter.
Availability
SK12H60 is available at Aetrix Electronics and suitable for automotive DC/DC converters, industrial SMPS outputs, and laptop adapter secondary-side rectification requiring stable component supply across extended production lifecycles.
Supply support for SK12H60 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
Taiwan Semiconductor Corporation (TSC) is a vertically integrated analog and discrete semiconductor manufacturer headquartered in Hsinchu, Taiwan, specializing in power devices, rectifiers, and protection components.
The SK12H60 belongs to TSC's AEC-Q101-qualified Schottky rectifier product line, engineered specifically for high-efficiency, high-reliability power conversion in automotive and industrial environments.
FAQ
What is the maximum junction temperature rating for the SK12H60?
The SK12H60 has a maximum junction temperature (TJ) rating of 175°C in DC forward mode. This specification is validated per JEDEC standards and enables reliable operation in under-hood automotive locations and sealed industrial enclosures where ambient temperatures exceed 100°C. The SK12H60 maintains stable electrical performance up to this limit when thermal design accounts for its RθJC = 10°C/W and RθJA = 30°C/W values.
Is the SK12H60 pin-compatible with the SK12H45?
Yes - the SK12H60 and SK12H45 share identical DO-201AD packaging, pinout, and mechanical dimensions. Both feature anode and cathode leads with cathode band marking, and both are rated for 12 A continuous forward current. The only electrical difference is VRRM: 60 V for SK12H60 versus 45 V for SK12H45. System designers may substitute SK12H60 for SK12H45 when higher reverse voltage margin is required, provided layout and thermal constraints remain unchanged.
Does the SK12H60 meet automotive qualification standards?
Yes, the SK12H60 is explicitly AEC-Q101 qualified, as confirmed in the official Taiwan Semiconductor datasheet (Version F2105). This qualification covers stress tests including high-temperature operating life (HTOL), temperature cycling (TC), and high-temperature reverse bias (HTRB). The "H" suffix in SK12H60 denotes AEC-Q101 compliance, making it suitable for automotive powertrain, body electronics, and ADAS subsystems where component reliability is mission-critical.
What is the forward voltage drop of the SK12H60 at full rated current?
The SK12H60 exhibits a maximum forward voltage (VF) of 0.70 V at 12 A and 25°C junction temperature, measured under pulsed conditions (PW = 0.3 ms). At elevated temperatures (e.g., 125°C), VF decreases slightly due to Schottky physics, but system-level design should use the 0.70 V max value for worst-case conduction loss calculation. This VF is confirmed in the Electrical Specifications table on page 2 of the SK12H45–SK12H60 datasheet.
What packaging options are available for the SK12H60?
The SK12H60 is offered in DO-201AD package with two standard packing formats: 1,250 units per tape-and-reel (ordering code SK12H60 or SK12H60H) and 500 units per ammo box (ordering code SK12H60A0G or SK12H60HA0G). The "H" suffix indicates AEC-Q101 qualification, while "A0G" denotes green compound and standard lead finish. All variants use pure tin-plated leads compliant with J-STD-002 solderability requirements.
SK12H60 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- DO-201AD, Axial
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Schottky
- Voltage - DC Reverse (Vr) (Max):
- 60 V
- Current - Average Rectified (Io):
- 12A
- Voltage - Forward (Vf) (Max) @ If:
- 700 mV @ 12 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 120 µA @ 60 V
- Capacitance @ Vr, F:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-201AD
- Operating Temperature - Junction:
- 200°C (Max)
SK12H60 FAQ
1.How can I place an order for SK12H60 through Aetrix?
Please submit a Request for Quotation (RFQ) for SK12H60 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 SK12H60 reliable?
The price and inventory of SK12H60 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SK12H60 is usually 5 days.
3.What payment methods are accepted for SK12H60?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SK12H60 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SK12H60?
SK12H60 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SK12H60 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 SK12H60?
For technical support, including SK12H60 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SK12H60 requirements.
6.How does Aetrix verify that SK12H60 is sourced from the original manufacturer or authorized distributors?
All SK12H60 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 SK12H60 meets industry standards.
7.What is the process for return or replacement of SK12H60?
All SK12H60 units undergo pre-shipment inspection (PSI). If there is an issue with SK12H60, 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 SK12H60 part is unused and in its original packaging.
Return procedure for SK12H60:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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