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Diodes Incorporated PDS1040Q-13
- Part No.:
- PDS1040Q-13
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Diodes
- Package:
- PowerDI™ 5
- Datasheet:
-
PDS1040Q-13.pdf
- Description:
- DIODE SCHOTTKY 40V 10A POWERDI5
- Quantity:
- Payment:
- Shipping:
Inventory:421
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Product details
Overview
PDS1040Q-13 from Diodes Incorporated is a 10A, 40V AEC-Q101 qualified Schottky barrier rectifier in PowerDI®5 package, featuring 0.45V forward voltage at 8A/25°C, 275A non-repetitive surge capability, and <0.02mA reverse leakage at 35V/25°C. It serves as a low-loss freewheeling diode in automotive DC-DC converters and polarity protection circuits.
For engineers reviewing the PDS1040Q-13 datasheet, PDS1040Q-13 pinout, PDS1040Q-13 application, or PDS1040Q-13 equivalent, key selection criteria include its 1.5°C/W junction-to-solder thermal resistance, AEC-Q101 qualification for under-hood use, RoHS- and halogen-free "Green" construction, and validated performance up to +150°C junction temperature.
Technical Context
This Schottky rectifier uses guard ring die construction to suppress transient-induced avalanche failure and sustain high dv/dt immunity in switching power supplies. Its low VF and ultra-low IR directly reduce conduction losses in 12V/24V automotive systems operating at ambient temperatures up to +105°C.
The device is optimized for surface-mount assembly on FR-4 or polyimide PCBs with defined pad layouts (cathode: 9.4mm × 7.2mm; anode: 2.7mm × 1.6mm), enabling thermal resistance as low as 50°C/W when mounted per Note 7. It exhibits no minority-carrier storage delay, supporting operation beyond 1MHz in high-frequency inverters.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Reverse Voltage | 40 V - Blocks up to 40V DC or peak AC in polarity protection and flyback clamp circuits |
| Avg. Forward Current | 10 A - Sustains continuous 10A conduction at TA ≤ +75°C with standard PCB layout |
| Forward Voltage | 0.45 V @ 8A, 25°C - Reduces power loss to ≤3.6W at full load, critical for thermally constrained modules |
| Surge Current | 275 A @ 8.3ms - Withstands motor startup surges and load dump transients without failure |
| Reverse Leakage | 0.02 mA @ 35V, 25°C - Minimizes standby power loss in always-on vehicle subsystems |
| Junction Temp Range | –65°C to +150°C - Rated for engine bay mounting with derating above +75°C ambient |
| Thermal Resistance | 1.5°C/W (Junction-to-Solder) - Enables direct thermal coupling to copper pour for efficient heat extraction |
Pinout & Package
Package: PowerDI®5 - Surface-mount, 3-terminal molded plastic case (UL 94V-0), 0.096g mass, lead-free matte tin finish over copper leadframe.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 (Anode) | Anode connection | Low-inductance input terminal for current entry; requires 2.7mm × 1.6mm copper pad for thermal and mechanical reliability |
| Pin 2 (Cathode) | Cathode connection | Main current exit path; occupies largest pad (9.4mm × 7.2mm) to minimize RθJA and support 10A continuous flow |
| Pin 3 (Cathode) | Cathode connection | Second cathode terminal tied internally to Pin 2; provides redundant solder joint and parallel current path for robustness |
Key Features
| Feature | Design Value |
|---|---|
| Guard Ring Die Construction | Suppresses edge breakdown during voltage transients, extending lifetime in automotive load-dump environments |
| AEC-Q101 Qualification | Validated for automotive applications including engine control units and body electronics with PPAP documentation support |
| Halogen & Antimony Free | Meets <900ppm Br, <900ppm Cl, <1000ppm Sb thresholds - compliant with global "Green" manufacturing mandates |
| Low Thermal Resistance | RθJS = 1.5°C/W enables >8W dissipation with minimal ΔT rise when soldered to 2oz copper |
| High Surge Robustness | 275A IFSM rating supports repeated exposure to ISO 7637-2 Pulse 5a (load dump) without parameter shift |
Applications
| Automotive DC-DC Converters | Engine Control Unit (ECU) Polarity Protection |
|---|---|
Use Scenario: 12V-to-5V/3.3V buck converter supplying microcontrollers and sensors in modern powertrain modules. IC Role / Device Role / Timing Role: Freewheeling diode in synchronous rectified topology, conducting during low-side switch off-time. Use Value: 0.45V VF reduces conduction loss by ≥35% vs. standard silicon diodes, lowering thermal stress on adjacent ASICs. |
Use Scenario: Reverse-voltage protection at ECU main power input exposed to battery jump-start misconnections. IC Role / Device Role / Timing Role: Unidirectional blocking element placed in series with VIN rail before LDOs and MCU power domains. Use Value: <0.02mA IR at 35V ensures <1mW standby loss, preserving battery life during vehicle sleep mode. |
| On-Board Charger (OBC) Auxiliary Supplies | ADAS Camera Module Power Rails |
Use Scenario: Isolated auxiliary supply generating 12V bias for gate drivers and communication ICs inside EV OBC units. IC Role / Device Role / Timing Role: Output rectifier in flyback or forward converter secondary side, operating at 100–500kHz. Use Value: Zero minority-carrier recovery eliminates switching tail current, improving efficiency by 2–3% at 250kHz. |
Use Scenario: Input protection for 5V camera sensor power rail subject to hot-plug and ESD events in rear-view systems. IC Role / Device Role / Timing Role: Polarity guard and transient clamp integrated into compact 6mm × 6mm camera PCB footprint. Use Value: PowerDI®5's 3.966mm × 6.51mm outline fits tight space constraints while delivering 10A capacity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Schottky rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Vishay V10P45-M3/86A | 45V VRRM, 0.49V VF @ 10A/25°C, TO-277 package (RθJA ≈ 80°C/W) | Lacks AEC-Q101 qualification; suitable for industrial but not automotive-critical rails | Select only if higher reverse margin is needed and automotive compliance is not required |
| ON Semiconductor SB1040-T | 40V VRRM, 0.52V VF @ 10A/25°C, SMA package (RθJA ≈ 110°C/W) | Higher VF increases conduction loss by ~15%; smaller package limits thermal handling | Acceptable for cost-sensitive consumer designs where 10A rating is intermittent, not continuous |
Compared with V10P45-M3/86A and SB1040-T, PDS1040Q-13 delivers superior thermal performance (1.5°C/W J-to-solder), automotive-grade reliability, and lowest VF in its class-making it the preferred choice for space-constrained, high-efficiency 12V automotive power stages.
Availability
PDS1040Q-13 is available at Aetrix Electronics and suitable for automotive power conversion, ECU protection, and ADAS camera module designs requiring stable component supply across extended product lifecycles.
Supply support for PDS1040Q-13 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
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, headquartered in Plano, Texas, with design, manufacturing, and sales operations across Asia, Europe, and North America.
The PDS1040Q-13 belongs to Diodes' PowerDI® Schottky rectifier family, engineered specifically for high-current, low-VF operation in automotive and industrial power supplies where thermal efficiency and AEC-Q101 compliance are mandatory.
FAQ
What is the maximum allowable junction temperature for continuous operation?
The PDS1040Q-13 has an operating junction temperature range of –65°C to +150°C. For continuous 10A operation, ambient temperature must be limited to ≤+75°C when using the minimum recommended FR-4 PCB layout (Note 5); derating curves in Figure 6 define safe current limits above this ambient.
Is the PowerDI®5 package compatible with standard reflow profiles?
Yes-the PowerDI®5 package is rated for moisture sensitivity level 1 per J-STD-020 and supports industry-standard Pb-free reflow profiles (peak 260°C, 20–40 sec). Its matte tin annealed finish ensures reliable solder wetting without voiding on OSP- or ENIG-finished boards.
How does the guard ring construction improve reliability in automotive applications?
The guard ring mitigates electric field crowding at the die periphery, preventing premature avalanche breakdown during load-dump transients (ISO 7637-2 Pulse 5a). This extends operational lifetime in engine bay environments where voltage spikes exceed 60V repeatedly over 15-year vehicle service life.
Can PDS1040Q-13 replace standard silicon rectifiers in existing designs?
Yes-if the circuit operates below 40V reverse voltage and benefits from lower VF. However, due to higher reverse leakage (vs. silicon), it must not be used in high-impedance hold-up or precision reference paths. Layout must accommodate PowerDI®5's 3.97mm × 6.51mm footprint and dual-cathode thermal pad requirements.
PDS1040Q-13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- PowerDI™ 5
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Schottky
- Voltage - DC Reverse (Vr) (Max):
- 40 V
- Current - Average Rectified (Io):
- 10A
- Voltage - Forward (Vf) (Max) @ If:
- 510 mV @ 10 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 700 µA @ 40 V
- Capacitance @ Vr, F:
- -
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- PowerDI™ 5
- Operating Temperature - Junction:
- -65°C ~ 150°C
PDS1040Q-13 FAQ
1.How can I place an order for PDS1040Q-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for PDS1040Q-13 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 PDS1040Q-13 reliable?
The price and inventory of PDS1040Q-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PDS1040Q-13 is usually 5 days.
3.What payment methods are accepted for PDS1040Q-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PDS1040Q-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PDS1040Q-13?
PDS1040Q-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PDS1040Q-13 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 PDS1040Q-13?
For technical support, including PDS1040Q-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PDS1040Q-13 requirements.
6.How does Aetrix verify that PDS1040Q-13 is sourced from the original manufacturer or authorized distributors?
All PDS1040Q-13 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 PDS1040Q-13 meets industry standards.
7.What is the process for return or replacement of PDS1040Q-13?
All PDS1040Q-13 units undergo pre-shipment inspection (PSI). If there is an issue with PDS1040Q-13, 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 PDS1040Q-13 part is unused and in its original packaging.
Return procedure for PDS1040Q-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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