Taiwan Semiconductor Corporation TSN520M60H
- Part No.:
- TSN520M60H
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- 8-PowerLDFN
- Datasheet:
-
TSN520M60H.pdf
- Description:
- 20A, 60V, TRENCH SCHOTTKY
- Quantity:
- Payment:

- Shipping:

Inventory:2,549
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Product details
Overview
TSN520M60H from Taiwan Semiconductor is a 20 A, 60 V trench Schottky surface-mount rectifier in PDFN56 package, featuring low forward voltage (0.48 V @ 20 A, 25°C), high surge capability (200 A IFSM), and AEC-Q101 qualification for automotive-grade reliability. It serves as a freewheeling or reverse-battery protection diode in DC/DC converters and car lighting systems.
For engineers reviewing the TSN520M60H datasheet, TSN520M60H pinout, TSN520M60H application, or TSN520M60H equivalent, key selection criteria include junction-to-lead thermal resistance (7°C/W), 150°C max junction temperature, moisture sensitivity level 1 compliance, and verified performance at 125°C junction (VF = 0.42 V max @ 20 A).
Technical Context
The TSN520M60H employs patented trench Schottky technology to achieve stable forward voltage across temperature (0.33 V typ @ 10 A, 125°C) and low leakage (100 mA max IR @ 125°C, rated VR). Its single-die configuration and matte tin-plated terminals support automated placement and J-STD-002 solderability.
Designed for high-frequency, low-voltage power conversion, it delivers high efficiency via reduced conduction loss and maintains robustness under repetitive surge stress (8.3 ms half-sine, 200 A), with UL 94V-0 molding compound and JESD201 Class 2 whisker resistance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| IF (Continuous) | 20 A - supports sustained output current in compact DC/DC converters without forced air cooling |
| VRRM | 60 V - enables use in 48 V automotive subsystems with margin against transients |
| IFSM (8.3 ms) | 200 A - withstands inrush and short-circuit surge events in battery-connected circuits |
| TJ max | +150 °C - allows operation in under-hood environments with minimal derating |
| RθJL | 7 °C/W - enables direct thermal coupling to PCB copper for efficient heat dissipation |
| VF @ 20A, 25°C | 0.48 V (max) - reduces conduction loss vs. planar Schottky alternatives, improving system efficiency |
| IR @ 60V, 125°C | 100 mA (max) - limits standby leakage in always-on automotive modules |
Pinout & Package
Package: PDFN56 - 5.6 mm × 3.0 mm × 0.95 mm body, dual-side thermal pad, exposed cathode pad for enhanced thermal performance and mechanical stability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (top-side pad) | Input current terminal | Connected to source side (e.g., battery positive or switch node); requires full copper fill under pad per suggested layout |
| Cathode (bottom-side thermal pad + top-side marking) | Output/return terminal | Primary thermal path to PCB; must be soldered to large copper pour for RθJL = 7°C/W performance |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including temperature cycling, HTRB, and ESD per stress test requirements |
| Trench Schottky architecture | Enables lower VF and superior high-temperature stability vs. conventional planar Schottky diodes |
| Moisture sensitivity level 1 | Zero bake requirement before reflow; compatible with standard SMT assembly lines without dry-pack handling |
| Halogen-free (IEC 61249-2-21) | Meets automotive environmental compliance mandates without compromising thermal or electrical performance |
| UL 94V-0 molding compound | Ensures flame retardancy in enclosed vehicle electronics enclosures and lighting housings |
Applications
| Low-Voltage DC/DC Converter | Reverse Battery Protection |
|---|---|
Use Scenario: Step-down conversion in 12 V–48 V automotive domain controllers with >300 kHz switching frequency. IC Role / Device Role / Timing Role: Freewheeling diode in synchronous or asynchronous buck topology, conducting during low-side switch off-time. Use Value: Low VF (0.42 V max @ 20 A, 125°C) minimizes conduction loss, enabling >95% efficiency at full load and reducing heatsink requirements. | Use Scenario: Preventing damage from accidental reverse connection of 12 V or 24 V lead-acid or LiFePO₄ batteries in infotainment head units. IC Role / Device Role / Timing Role: Series-blocking diode placed between battery input and main power rail. Use Value: 200 A IFSM handles cranking surge without failure; 150°C TJ rating ensures reliability during prolonged hot-cranking events. |
| Car Lighting (LED Driver) | High-Frequency Inverter Output Stage |
Use Scenario: Constant-current LED driver for adaptive front-lighting systems (AFS) with PWM dimming up to 2 kHz. IC Role / Device Role / Timing Role: Output rectifier in flyback or buck-boost stage delivering regulated current to LED strings. Use Value: Low junction capacitance (<1000 pF @ 1 V) and fast recovery minimize switching noise and EMI in sensitive optical modules. | Use Scenario: Output rectification in 20–100 kHz resonant inverters for HVAC blower motors or seat heater control. IC Role / Device Role / Timing Role: Unidirectional current path after transformer secondary, handling bidirectional AC input converted to DC output. Use Value: High forward surge capability and stable VF across -55°C to +150°C ensure consistent output regulation under wide ambient and load transients. |
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-20CPH06-M3 | Same 20 A / 60 V rating, TO-252 (DPAK) package, higher VF (0.57 V max @ 20 A), RθJA = 50°C/W (vs. TSN520M60H's 7°C/W to lead) | Requires external heatsink in high-power density layouts; less suitable for ultra-thin automotive modules | Choose when legacy DPAK footprint is fixed and thermal budget permits higher junction rise |
| ON Semiconductor NSR20F60HT1G | 20 A / 60 V, PDFN56 package, AEC-Q101 qualified, VF = 0.52 V max @ 20 A, 25°C (0.04 V higher than TSN520M60H) | Nearly identical form factor and qualification; slightly higher conduction loss impacts efficiency-critical 48 V systems | Prefer when second-source assurance is required and 0.04 V VF penalty is acceptable for BOM flexibility |
Compared with VS-20CPH06-M3 and NSR20F60HT1G, the TSN520M60H offers the lowest VF at high current and temperature, best thermal resistance to PCB, and smallest footprint-making it optimal for space-constrained, high-efficiency automotive power stages where thermal management is passive or limited.
Availability
TSN520M60H is available at Aetrix Electronics and suitable for automotive DC/DC converters, reverse battery protection circuits, and LED lighting drivers requiring stable component supply and AEC-Q101-compliant sourcing.
Supply support for TSN520M60H 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, serving automotive, industrial, and consumer markets since 1979.
The TSN series targets high-reliability power rectification, with the TSN520M60H specifically engineered for thermally demanding automotive subsystems requiring low-loss, high-surge, and AEC-Q101-qualified Schottky performance in surface-mount packages.
FAQ
What is the maximum junction temperature rating for the TSN520M60H?
The TSN520M60H has a maximum junction temperature (TJ max) of +150°C, validated across its full operating range from -55°C to +150°C. This rating enables reliable deployment in under-hood automotive environments, such as engine control units and lighting modules, where ambient temperatures exceed 105°C and self-heating must be carefully managed using the device's 7°C/W junction-to-lead thermal resistance.
Is the TSN520M60H suitable for reverse battery protection in 24 V commercial vehicles?
Yes, the TSN520M60H is suitable for reverse battery protection in 24 V commercial vehicles. With a 60 V VRRM rating and 200 A IFSM capability, it provides sufficient margin against load dump transients and cranking surges. Its AEC-Q101 qualification, 150°C TJ max, and halogen-free construction meet commercial vehicle durability and environmental requirements, and the PDFN56 package supports high-density PCB layouts typical in telematics and fleet management systems.
Does the TSN520M60H require a moisture barrier bag or baking prior to SMT assembly?
No, the TSN520M60H does not require baking or special moisture barrier handling. It is rated at Moisture Sensitivity Level 1 per J-STD-020, meaning it can be stored indefinitely at ≤30°C/60% RH and placed directly into reflow without preconditioning. This simplifies manufacturing logistics and eliminates yield risk from popcorning or delamination during standard lead-free reflow profiles.
How does the forward voltage of the TSN520M60H compare at elevated temperature?
At 125°C junction temperature, the TSN520M60H exhibits improved forward voltage performance: VF = 0.42 V (max) at 20 A, compared to 0.48 V (max) at 25°C. This negative temperature coefficient-enabled by trench Schottky technology-reduces conduction loss under thermal stress, supporting stable efficiency in high-ambient applications like LED headlamps and motor drivers where junction temperatures routinely exceed 100°C.
What is the marking code printed on the TSN520M60H device body?
The marking code printed on the TSN520M60H device body is "520M60", as specified in the Absolute Maximum Ratings table. This 6-character laser mark appears adjacent to the polarity indicator (cathode bar) on the top surface of the PDFN56 package and is used for traceability, inspection, and verification during incoming quality checks and board-level rework.
TSN520M60H Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- 8-PowerLDFN
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Schottky
- Voltage - DC Reverse (Vr) (Max):
- 60 V
- Current - Average Rectified (Io):
- 20A
- Voltage - Forward (Vf) (Max) @ If:
- 580 mV @ 20 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 500 µA @ 60 V
- Capacitance @ Vr, F:
- -
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-PDFN (5.2x5.7)
- Operating Temperature - Junction:
- -55°C ~ 150°C
TSN520M60H FAQ
1.How can I place an order for TSN520M60H through Aetrix?
Please submit a Request for Quotation (RFQ) for TSN520M60H 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 TSN520M60H reliable?
The price and inventory of TSN520M60H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TSN520M60H is usually 5 days.
3.What payment methods are accepted for TSN520M60H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TSN520M60H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TSN520M60H?
TSN520M60H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TSN520M60H 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 TSN520M60H?
For technical support, including TSN520M60H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TSN520M60H requirements.
6.How does Aetrix verify that TSN520M60H is sourced from the original manufacturer or authorized distributors?
All TSN520M60H 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 TSN520M60H meets industry standards.
7.What is the process for return or replacement of TSN520M60H?
All TSN520M60H units undergo pre-shipment inspection (PSI). If there is an issue with TSN520M60H, 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 TSN520M60H part is unused and in its original packaging.
Return procedure for TSN520M60H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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