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Taiwan Semiconductor Corporation SRAS8150H
- Part No.:
- SRAS8150H
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Datasheet:
-
SRAS8150H.pdf
- Description:
- 8A, 150V, SCHOTTKY RECTIFIER
- Quantity:
- Payment:
- Shipping:
Inventory:4,568
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Product details
Overview
SRAS8150H from Taiwan Semiconductor is a single-die, AEC-Q101-qualified Schottky barrier rectifier in TO-263AB (D2PAK) package, rated for 150 V repetitive peak reverse voltage (VRRM), 8 A average forward current (IF), and 150 A non-repetitive surge current (IFSM). It delivers 0.95 V typical forward voltage at 8 A and 25°C, with 5 mA reverse leakage at 125°C and full-rated reverse voltage - optimized for automotive DC/DC converters and reverse battery protection.
For engineers reviewing the SRAS8150H datasheet, SRAS8150H pinout, SRAS8150H application, or SRAS8150H equivalent, key selection criteria include its 150 V VRRM, 8 A IF, TO-263AB thermal performance (RθJC = 3°C/W), AEC-Q101 qualification, and 0.95 V VF at 8 A - all critical for high-efficiency, high-reliability automotive power stages.
Technical Context
This Schottky rectifier uses a single silicon die in a planar junction structure with integrated guard ring for overvoltage robustness. Its low VF and high IFSM stem from optimized metal-semiconductor interface and thick copper leadframe, enabling efficient freewheeling in synchronous buck topologies.
Thermally, it leverages the TO-263AB package's exposed cathode pad for direct PCB heat sinking, achieving 3°C/W junction-to-case resistance. The device operates up to 150°C junction temperature and meets J-STD-020 moisture sensitivity level 1.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 150 V - maximum continuous reverse blocking capability without breakdown |
| IF | 8 A - average forward current rating at case temperature ≤ 110°C |
| IFSM | 150 A - peak non-repetitive surge current (8.3 ms half-sine), supports load dump transients |
| VF @ 8 A, 25°C | 0.95 V - low conduction loss enabling >94% efficiency in 12 V–48 V DC/DC stages |
| RθJC | 3°C/W - enables direct thermal coupling to PCB copper, critical for automotive under-hood thermal management |
| TJ max | 150°C - extended junction temperature rating supports operation in engine compartment environments |
| AEC-Q101 | Qualified - validated for automotive-grade reliability including temperature cycling, HTRB, and ESD |
Pinout & Package
TO-263AB (D2PAK) surface-mount package with three terminals: anode (pin 1), cathode (exposed tab/pin 2), and no third functional terminal - single-diode configuration. Cathode tab provides primary thermal path and electrical connection.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (lead 1) | Forward current entry point | Connected to input/high-side node in freewheeling or reverse polarity protection circuits |
| Cathode (exposed tab) | Forward current exit / reverse voltage reference | Must be soldered to large copper pour for thermal dissipation and low-inductance return path |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive power systems requiring zero-failure reliability across temperature, humidity, and vibration stress profiles |
| Guard ring structure | Prevents edge breakdown at 150 V VRRM, improving long-term stability under transient overvoltage conditions |
| Moisture sensitivity level 1 | Enables standard SMT reflow without baking, reducing manufacturing cost and handling complexity |
| Matte tin-plated leads | Ensures reliable solder wetting and intermetallic formation per J-STD-002, critical for automotive field life |
| Halogen-free & RoHS compliant | Meets automotive environmental compliance requirements (IEC 61249-2-21) and end-of-life recycling mandates |
Applications
| Automotive DC/DC Converters | Reverse Battery Protection |
|---|---|
Use Scenario: 12 V–48 V bidirectional DC/DC conversion in 48 V mild-hybrid architectures. IC Role / Device Role / Timing Role: Freewheeling diode in synchronous buck converter output stage. Use Value: 0.95 V VF minimizes conduction loss; 150 A IFSM withstands load dump surges without failure. | Use Scenario: Preventing damage during incorrect battery terminal connection in vehicle infotainment and ADAS ECUs. IC Role / Device Role / Timing Role: Series-connected reverse polarity protection element on main power rail. Use Value: 150 V VRRM accommodates 12 V system transients up to ±100 V; AEC-Q101 ensures field reliability. |
| LED Headlamp Drivers | Low-Voltage Inverters |
Use Scenario: Constant-current LED driver power stage in adaptive front-lighting systems (AFS). IC Role / Device Role / Timing Role: Output rectifier in boost-derived constant-current topology. Use Value: Low VF reduces thermal load on heatsink; TO-263AB package enables compact, thermally robust layout. | Use Scenario: High-frequency (≥100 kHz) inverters for HVAC blower motors and seat control actuators. IC Role / Device Role / Timing Role: Output rectifier in half-bridge inverter output filter. Use Value: Fast recovery and low capacitance minimize switching losses; 150°C TJ max supports sealed motor-control enclosures. |
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-8EWH150N-M3 | Same TO-263AB package, 150 V VRRM, 8 A IF, but VF = 0.97 V @ 8 A (slightly higher conduction loss) | Identical AEC-Q101 qualification; lower IFSM (120 A vs. 150 A) | Preferred where surge margin is less critical and Vishay supply chain alignment is required |
| ON Semiconductor MUR8150CT | TO-220AC package (not surface-mount), 150 V VRRM, 8 A IF, VF = 0.98 V; not AEC-Q101 qualified | Lacks automotive qualification; requires through-hole assembly and larger board area | Suitable for industrial DC/DC where AEC-Q101 is not mandated and manual assembly is acceptable |
Compared with VS-8EWH150N-M3 and MUR8150CT, the SRAS8150H offers superior surge robustness (150 A IFSM) and surface-mount compatibility in automotive-qualified form, making it optimal for space-constrained, high-reliability vehicular power stages.
Availability
SRAS8150H is available at Aetrix Electronics and suitable for automotive DC/DC converters, reverse battery protection circuits, and LED headlamp drivers requiring stable component supply, AEC-Q101 compliance, and high thermal reliability.
Supply support for SRAS8150H 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 power discrete manufacturer headquartered in Hsinchu, Taiwan, serving automotive, industrial, and computing markets since 1979.
The SRAS8xxxH series was designed specifically for high-efficiency, high-reliability automotive power conversion - emphasizing AEC-Q101 qualification, low VF scalability across voltage grades, and TO-263AB thermal performance.
FAQ
What is the maximum junction temperature rating for SRAS8150H?
The SRAS8150H has a maximum junction temperature (TJ) rating of +150°C, verified per AEC-Q101 stress testing. This allows operation in under-hood automotive environments where ambient temperatures exceed 105°C. Derating curves confirm usable IF up to 110°C case temperature. The SRAS8150H must be mounted on adequate copper area to maintain this rating in practice.
Is SRAS8150H pin-compatible with other parts in the SRAS8xxH family?
Yes - all SRAS8xxH devices, including SRAS8150H, share identical TO-263AB (D2PAK) package dimensions, pinout, and thermal pad layout. They differ only in VRRM (20 V to 150 V) and corresponding VF/IR characteristics. No PCB redesign is needed when upgrading within the family, though layout must accommodate worst-case thermal and surge requirements of the selected variant.
Does SRAS8150H require special handling due to moisture sensitivity?
No - the SRAS8150H is rated at Moisture Sensitivity Level (MSL) 1 per J-STD-020, meaning it can be stored indefinitely at ≤30°C/85% RH and subjected to standard SMT reflow profiles without pre-baking. This eliminates moisture-related popcorning risk and simplifies manufacturing logistics compared to MSL 3+ discrete components.
What is the reverse leakage current specification for SRAS8150H at elevated temperature?
At TJ = 125°C and rated VR = 150 V, the SRAS8150H specifies a maximum reverse leakage current (IR) of 5 mA. This value is confirmed in the Electrical Specifications table and is critical for maintaining efficiency in high-temperature freewheeling applications such as automotive DC/DC converters operating near thermal limits.
How does the guard ring feature improve reliability in SRAS8150H?
The integrated guard ring in SRAS8150H prevents premature edge breakdown under high dv/dt or transient overvoltage conditions, extending device lifetime in automotive environments with load dump or inductive switching noise. With a specified dv/dt rating of 10,000 V/μs, the guard ring ensures stable 150 V blocking capability even during fast-rising transients - a key differentiator versus non-guarded Schottky rectifiers.
SRAS8150H Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Schottky
- Voltage - DC Reverse (Vr) (Max):
- 150 V
- Current - Average Rectified (Io):
- 8A
- Voltage - Forward (Vf) (Max) @ If:
- 950 mV @ 8 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 100 µA @ 150 V
- Capacitance @ Vr, F:
- -
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TO-263AB (D2PAK)
- Operating Temperature - Junction:
- -55°C ~ 150°C
SRAS8150H FAQ
1.How can I place an order for SRAS8150H through Aetrix?
Please submit a Request for Quotation (RFQ) for SRAS8150H 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 SRAS8150H reliable?
The price and inventory of SRAS8150H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SRAS8150H is usually 5 days.
3.What payment methods are accepted for SRAS8150H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SRAS8150H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SRAS8150H?
SRAS8150H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SRAS8150H 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 SRAS8150H?
For technical support, including SRAS8150H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SRAS8150H requirements.
6.How does Aetrix verify that SRAS8150H is sourced from the original manufacturer or authorized distributors?
All SRAS8150H 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 SRAS8150H meets industry standards.
7.What is the process for return or replacement of SRAS8150H?
All SRAS8150H units undergo pre-shipment inspection (PSI). If there is an issue with SRAS8150H, 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 SRAS8150H part is unused and in its original packaging.
Return procedure for SRAS8150H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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