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Taiwan Semiconductor Corporation SR515 A0G
- Part No.:
- SR515 A0G
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- DO-201AD, Axial
- Datasheet:
-
SR515 A0G.pdf
- Description:
- DIODE SCHOTTKY 150V 5A DO201AD
- Quantity:
- Payment:
- Shipping:
Inventory:862
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Product details
Overview
SR515 A0G from Taiwan Semiconductor is a 5A, 150V Schottky barrier rectifier in DO-201AD package, featuring 1.05V max forward voltage at 5A/25°C, 100µA max reverse leakage at 150V/25°C, and 120A surge capability - deployed in high-efficiency DC/DC converters and industrial power adapters.
For engineers reviewing the SR515 A0G datasheet, SR515 A0G pinout, SR515 A0G application, or SR515 A0G equivalent, key selection criteria include its 150V VRRM, 125°C/150°C junction temperature range, DO-201AD mechanical compatibility, and AEC-Q101 qualification path via SR515H variant.
Technical Context
This discrete Schottky diode uses a single-die construction with guard ring overvoltage protection and pure tin-plated leads compliant with J-STD-002 solderability. Its 6°C/W junction-to-case thermal resistance supports high-current operation under constrained thermal conditions.
Designed for switching-mode topologies, it delivers low conduction loss (VF ≤ 1.05V) and fast recovery (no stored charge), enabling >90% efficiency in 100–500kHz DC/DC stages where reverse recovery losses must be minimized.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 150 V - maximum repetitive reverse voltage before breakdown; sets upper limit for input/output rail isolation in buck/boost converters |
| IF | 5 A - continuous average forward current; defines steady-state power handling in 12V/24V industrial supplies |
| IFSM | 120 A - non-repetitive surge rating (8.3ms half-sine); withstands inrush and fault currents in adapter front-ends |
| VF @ 5A, 25°C | ≤1.05 V - low forward drop reduces conduction loss to <5.25W at full load, critical for thermal management |
| IR @ 150V, 25°C | ≤100 µA - minimal leakage preserves efficiency in standby mode and high-impedance feedback paths |
| TJ Range | –55°C to +150°C - extended high-temp operation enables use in under-hood automotive modules and sealed industrial enclosures |
| RθJC | 6 °C/W - low thermal resistance allows direct mounting to heatsinks or PCB copper for passive cooling in space-constrained designs |
Pinout & Package
DO-201AD axial-leaded package with cathode band marking; two-terminal device (anode and cathode) in standard JEDEC outline. Leads are pure tin-plated and solderable per J-STD-002.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry point | Connected to lower-potential node (e.g., switch node in synchronous rectification or output rail in flyback) |
| Cathode | Forward current exit / reverse blocking terminal | Marked by band; ties to higher-potential node (e.g., output capacitor positive or VIN in buck converter) |
Key Features
| Feature | Design Value |
|---|---|
| Guard ring structure | Enhances ruggedness against transient overvoltage events without derating VRRM in real-world line surges |
| RoHS & halogen-free | Complies with IEC 61249-2-21; eliminates brominated flame retardants for safer rework and end-of-life processing |
| JESD 201 Class 2 whisker resistance | Prevents tin whisker growth under thermal cycling, ensuring long-term reliability in automotive and telecom infrastructure |
| UL 94V-0 molding compound | Self-extinguishing encapsulation meets fire-safety requirements for enclosed power supplies and medical peripherals |
Applications
| Server Power Supply | Industrial DC/DC Converter |
|---|---|
Use Scenario: Secondary-side rectification in 48V-to-12V isolated buck-derived converters delivering up to 60W. IC Role / Device Role / Timing Role: Schottky rectifier replacing fast recovery diodes to reduce conduction loss and improve thermal margin. Use Value: 1.05V VF cuts power dissipation by ~35% vs. 1.6V Si diode, enabling smaller heatsinks and higher power density. | Use Scenario: Output rectification in 24V-input, 5V/3A non-isolated buck converters for PLC I/O modules. IC Role / Device Role / Timing Role: Low-loss freewheeling path during high-frequency (300kHz) PWM switching cycles. Use Value: 120A IFSM handles repeated motor-start surges without degradation, supporting robust field deployment. |
| Automotive Body Control Module | Consumer Adapter |
Use Scenario: Reverse polarity protection and load dump clamping in 12V battery-fed lighting control circuits. IC Role / Device Role / Timing Role: Unidirectional current path with guard ring-enabled overvoltage tolerance during ISO 7637-2 pulse 5a transients. Use Value: 150V VRRM exceeds automotive load dump requirement (≥120V), eliminating need for external TVS stacking. | Use Scenario: Output rectification in compact 19V/3.42A laptop adapters operating at 100kHz. IC Role / Device Role / Timing Role: High-efficiency secondary-side diode minimizing no-load and light-load losses. Use Value: ≤100µA IR at 25°C ensures <2mW standby dissipation, meeting Energy Star Level VI requirements. |
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-5EWH015-M3/45 | Same 150V VRRM, 5A IF, but TO-277 surface-mount package; VF = 0.82V typ at 5A | Requires SMT reflow process and PCB layout change; not drop-in for through-hole DO-201AD footprint | Select when board space is constrained and automated assembly is available |
| ON Semiconductor SB5150-E3/54 | 150V VRRM, 5A IF, DO-201AD package, but VF = 0.92V max; IR = 200µA max at 150V/25°C | Higher leakage and slightly lower forward drop; not AEC-Q101 qualified in standard grade | Acceptable for cost-sensitive industrial adapters where 100µA leakage is not critical |
Compared with VS-5EWH015-M3/45 and SB5150-E3/54, SR515 A0G offers the lowest leakage (100µA), verified DO-201AD mechanical fit, and clear AEC-Q101 qualification path - making it optimal for automotive-adjacent and thermally demanding through-hole designs.
Availability
SR515 A0G is available at Aetrix Electronics and suitable for server power supplies, industrial DC/DC converters, and automotive body control modules requiring stable component supply and consistent DO-201AD lead-forming.
Supply support for SR515 A0G 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 industrial, computing, and automotive markets since 1979.
The SR502–SR520 family targets high-reliability, high-efficiency power conversion - engineered specifically for Schottky rectification in SMPS, adapters, and DC/DC stages where low VF, rugged surge handling, and thermal stability are design-critical.
FAQ
What is the maximum junction temperature rating for SR515 A0G?
The SR515 A0G has a maximum junction temperature (TJ) of +150°C, with operational range from –55°C to +150°C. This rating is confirmed in the Absolute Maximum Ratings table on page 2 of the J2105 datasheet. The SR515 A0G maintains specified electrical performance within this range, and its 6°C/W RθJC enables effective heat transfer to external thermal mass. Derating curves in Figure 1 show usable current decreases above 100°C ambient.
Is SR515 A0G AEC-Q101 qualified?
No, SR515 A0G is not AEC-Q101 qualified. Per the Ordering Information table (page 3), only variants marked with "H" suffix (e.g., SR515H) are AEC-Q101 qualified. SR515 A0G uses the same die and DO-201AD package but lacks the qualification testing. For automotive applications requiring AEC-Q101, SR515H is the designated qualified version of the SR515 A0G.
What does the "A0G" suffix mean in SR515 A0G?
The "A0G" suffix in SR515 A0G indicates packaging: "A0" denotes ammo box packaging, and "G" signifies halogen-free molding compound per IEC 61249-2-21. This is defined in the Ordering Information section (page 3) of the J2105 datasheet. SR515 A0G contains 500 units per ammo box and is RoHS-compliant, distinguishing it from tape-and-reel versions like SR515 or SR515H.
How does SR515 A0G compare to SR510 A0G in forward voltage?
SR515 A0G has a maximum forward voltage (VF) of 1.05V at 5A/25°C, while SR510 A0G is rated at 0.85V max under identical conditions. This 0.20V difference reflects higher VRRM (150V vs. 100V) and associated trade-offs in Schottky barrier height and series resistance. Both share the same DO-201AD package and thermal specs, but SR515 A0G prioritizes voltage robustness over ultra-low VF.
What is the reverse leakage current specification for SR515 A0G at 125°C?
At 125°C and rated reverse voltage (150V), the SR515 A0G has no maximum specified reverse leakage (IR) in the Electrical Specifications table - only a note indicating "–" (not characterized). However, the datasheet shows a typical curve in Figure 3 where IR ≈ 1 mA at 150V/125°C. For design margin, engineers should reference the 1 mA value at 125°C and confirm thermal derating in actual layout using RθJA = 35°C/W.
SR515 A0G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- DO-201AD, Axial
- Packaging:
- Cut Tape (CT)
- Product Status:
- Active
- Technology:
- Schottky
- Voltage - DC Reverse (Vr) (Max):
- 150 V
- Current - Average Rectified (Io):
- 5A
- Voltage - Forward (Vf) (Max) @ If:
- 1.05 V @ 5 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 100 µA @ 150 V
- Capacitance @ Vr, F:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-201AD
- Operating Temperature - Junction:
- -55°C ~ 150°C
SR515 A0G FAQ
1.How can I place an order for SR515 A0G through Aetrix?
Please submit a Request for Quotation (RFQ) for SR515 A0G 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 SR515 A0G reliable?
The price and inventory of SR515 A0G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SR515 A0G is usually 5 days.
3.What payment methods are accepted for SR515 A0G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SR515 A0G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SR515 A0G?
SR515 A0G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SR515 A0G 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 SR515 A0G?
For technical support, including SR515 A0G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SR515 A0G requirements.
6.How does Aetrix verify that SR515 A0G is sourced from the original manufacturer or authorized distributors?
All SR515 A0G 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 SR515 A0G meets industry standards.
7.What is the process for return or replacement of SR515 A0G?
All SR515 A0G units undergo pre-shipment inspection (PSI). If there is an issue with SR515 A0G, 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 SR515 A0G part is unused and in its original packaging.
Return procedure for SR515 A0G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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