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Diodes Incorporated SDT5100LP5-13
- Part No.:
- SDT5100LP5-13
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Diodes
- Package:
- PowerDI™ 5
- Datasheet:
-
SDT5100LP5-13.pdf
- Description:
- DIODE SCHOTTKY 100V 5A POWERDI 5
- Quantity:
- Payment:
- Shipping:
Inventory:9,970
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Product details
Overview
SDT5100LP5 from Diodes Incorporated is a 100 V, 5 A Trench Schottky barrier rectifier in PowerDI5 package, featuring 0.82 V max forward voltage at 5 A and 4 µA max reverse leakage at 100 V/125°C. It serves as a high-efficiency freewheel or output rectifier in compact DC-DC converters and AC-DC adapters operating up to +150°C junction temperature.
For engineers reviewing the SDT5100LP5 datasheet, SDT5100LP5 pinout, SDT5100LP5 application, or SDT5100LP5 equivalent, key selection criteria include thermal resistance (RθJC = 3 °C/W on 2"×2" Al substrate), soft switching behavior, low VF stability across temperature, and RoHS-compliant green packaging with 100% lead-free finish.
Technical Context
This Schottky rectifier uses trench MOS structure to reduce forward voltage while maintaining tight IR control at elevated temperatures. Its 0.74 V typical VF at 5 A/125°C and <3 µA IR at 100 V/125°C enable stable operation in thermally constrained power stages.
The PowerDI5 package delivers 3 °C/W junction-to-case thermal resistance when mounted on a 2-inch aluminum substrate, supporting continuous 5 A conduction without forced cooling in space-constrained 12–24 V input DC-DC designs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 100 V - Maximum blocking voltage for 24 V and 48 V bus applications with 2× safety margin |
| IO(AV) | 5 A - Continuous DC output current capability at TA ≤ +70°C with standard PCB layout |
| VF(MAX) | 0.82 V @ 5 A, 25°C - Enables >92% efficiency in 5 V/3 A buck converter at full load |
| IR(MAX) | 4 µA @ 100 V, 125°C - Ensures minimal standby loss in always-on adapter auxiliary supplies |
| RθJC | 3 °C/W - Allows direct heatsinking to metal chassis for high-power density industrial SMPS |
| TJ(max) | +150°C - Supports operation in sealed enclosures or under-hood automotive environments |
| Package | PowerDI5 - 3-pin surface-mount outline with exposed cathode pad for thermal enhancement |
Pinout & Package
PowerDI5 is a 3-terminal surface-mount package with an exposed cathode pad (Pin 2) for thermal dissipation. Pin 1 is anode; Pin 3 is cathode connection via molded terminal; Pin 2 is the primary cathode thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Anode | Main current entry point; connects to input/high-side node of buck or flyback secondary |
| Pin 2 | Cathode Thermal Pad | Primary heat path to PCB copper; must be soldered to ≥100 mm² 2 oz Cu pour for RθJA = 18 °C/W |
| Pin 3 | Cathode Terminal | Secondary cathode connection; used for Kelvin sensing or low-inductance return routing |
Key Features
| Feature | Design Value |
|---|---|
| Trench Schottky architecture | Reduces VF by ~12% vs planar Schottky at 5 A, improving light-load efficiency in USB-PD adapters |
| Soft, fast switching | Minimizes EMI in 300–500 kHz DC-DC converters without snubbers or shielding |
| +150°C junction rating | Enables use in sealed LED drivers or PoE injectors without derating below 5 A at ambient ≤ +85°C |
| Halogen & antimony free | Meets IPC-1752A Class 2 reporting requirements for automotive Tier-1 BOM compliance |
Applications
| DC-DC Converter Output Rectification | AC-DC Adapter Freewheel Diode |
|---|---|
Use Scenario: Secondary-side synchronous rectification replacement in 12 V/5 A isolated flyback for industrial IoT gateways. IC Role / Device Role / Timing Role: Primary output rectifier handling continuous 5 A DC current with <0.82 V conduction loss. Use Value: Reduces conduction loss by 1.8 W vs legacy 100 V Schottky, lowering case temperature by 12°C on 4-layer PCB. | Use Scenario: Freewheel path in 24 V/2.5 A non-isolated buck converter powering PoE PD interface circuitry. IC Role / Device Role / Timing Role: Energy recirculation path during MOSFET off-time; requires soft recovery to limit ringing. Use Value: Soft switching eliminates need for RC snubber, saving 3 BOM line items and 8 mm² board area. |
| High-Temp Industrial Power Supply | Compact USB-C Charger Output Stage |
Use Scenario: Main rectifier in DIN-rail mounted 24 V/5 A power supply operating inside control cabinet at +75°C ambient. IC Role / Device Role / Timing Role: Blocking diode preventing backfeed from 24 V bus during brownout conditions. Use Value: Stable 3 µA IR at 125°C ensures <1 mW standby dissipation, meeting IEC 62301 Class II limits. | Use Scenario: Output rectifier in 20 W (5 V/4 A) USB-C wall charger with 12 mm × 12 mm PCB footprint constraint. IC Role / Device Role / Timing Role: Final-stage low-VF rectifier minimizing voltage drop between transformer secondary and USB port. Use Value: 0.74 V VF at 125°C maintains ≥4.72 V at port under full load, satisfying USB-IF v2.0 regulation. |
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-50WQ04FN-M3/45 | 45 V VRRM, 5 A IO, 0.52 V VF @ 5 A - lower voltage rating, lower VF | Restricted to ≤36 V output rails; unsuitable for 48 V systems or 100 V surge clamping | Select only for cost-sensitive 5–12 V outputs where 100 V blocking is unnecessary |
| ON Semiconductor SB5100 | 100 V VRRM, 5 A IO, 0.85 V VF @ 5 A, RθJC = 5.5 °C/W - higher VF and thermal resistance | Requires larger copper area or airflow to match SDT5100LP5's thermal performance at full load | Acceptable for lower ambient or intermittent duty cycles; avoid in sealed enclosures above +60°C |
Compared with VS-50WQ04FN-M3/45 and SB5100, SDT5100LP5 uniquely balances 100 V robustness, sub-0.82 V VF, and 3 °C/W thermal resistance-enabling smaller heatsinks and higher power density in 24–48 V industrial and adapter designs.
Availability
SDT5100LP5 is available at Aetrix Electronics and suitable for DC-DC converters, AC-DC adapters, and high-temperature industrial power supplies requiring stable component supply with full traceability and long-term lifecycle support.
Supply support for SDT5100LP5 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, specializing in high-efficiency power management and signal integrity solutions for industrial, computing, and consumer markets.
The SDT5100LP5 belongs to Diodes' PowerDI® Schottky rectifier product line, engineered specifically for high-current, high-temperature switching power supplies where low VF and thermal reliability are critical.
FAQ
What is the maximum allowable PCB pad size for optimal thermal performance of SDT5100LP5?
The datasheet specifies a minimum 2-inch × 2-inch aluminum substrate for achieving RθJC = 3 °C/W. On FR-4, use ≥100 mm² of 2 oz copper connected directly to Pin 2 (cathode pad) with ≥4 thermal vias (0.3 mm diameter, filled) to internal ground plane for RθJA ≈ 18 °C/W.
Does SDT5100LP5 support reflow soldering per J-STD-020?
Yes, SDT5100LP5 has Moisture Sensitivity Level 1 per J-STD-020, meaning it can be stored indefinitely at ≤30°C/60% RH and withstand standard Pb-free reflow profiles (peak 260°C, 20–40 sec) without baking or special handling.
Can SDT5100LP5 replace a standard PN-junction rectifier in existing designs?
Yes, provided the circuit operates below 100 V reverse bias and does not rely on PN diode reverse recovery characteristics. Its zero-recovery Schottky behavior eliminates switching loss but may require minor EMI filter adjustment due to faster edge rates.
Is the PowerDI5 package compatible with automated optical inspection (AOI)?
Yes, the PowerDI5 package features coplanar terminals and a flat, mold-compound surface optimized for AOI. The exposed cathode pad (Pin 2) is fully solderable and inspectable; no shadowing or underfill issues occur when using standard 5 MP camera systems calibrated for QFN-like packages.
SDT5100LP5-13 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):
- 100 V
- Current - Average Rectified (Io):
- 5A
- Voltage - Forward (Vf) (Max) @ If:
- 820 mV @ 5 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 4 µA @ 100 V
- Capacitance @ Vr, F:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- PowerDI™ 5
- Operating Temperature - Junction:
- -55°C ~ 150°C
SDT5100LP5-13 FAQ
1.How can I place an order for SDT5100LP5-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for SDT5100LP5-13 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 SDT5100LP5-13 reliable?
The price and inventory of SDT5100LP5-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SDT5100LP5-13 is usually 5 days.
3.What payment methods are accepted for SDT5100LP5-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SDT5100LP5-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SDT5100LP5-13?
SDT5100LP5-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SDT5100LP5-13 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 SDT5100LP5-13?
For technical support, including SDT5100LP5-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SDT5100LP5-13 requirements.
6.How does Aetrix verify that SDT5100LP5-13 is sourced from the original manufacturer or authorized distributors?
All SDT5100LP5-13 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 SDT5100LP5-13 meets industry standards.
7.What is the process for return or replacement of SDT5100LP5-13?
All SDT5100LP5-13 units undergo pre-shipment inspection (PSI). If there is an issue with SDT5100LP5-13, 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 SDT5100LP5-13 part is unused and in its original packaging.
Return procedure for SDT5100LP5-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SDT5100LP5-13 Tags
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