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Diodes Incorporated SDT5100LP5-7
- Part No.:
- SDT5100LP5-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Diodes
- Package:
- PowerDI™ 5
- Datasheet:
-
SDT5100LP5-7.pdf
- Description:
- DIODE SCHOTTKY 100V 5A POWERDI 5
- Quantity:
- Payment:
- Shipping:
Inventory:938
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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, optimized for high-efficiency DC-DC converters and AC-DC adapters.
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, +150°C junction rating, and RoHS-compliant green packaging with lead-free finish.
Technical Context
This Schottky rectifier uses trench MOS structure to reduce forward voltage while maintaining low leakage at elevated temperatures-VF = 0.74 V typ at 5 A/125°C and IR = 3 µA max at 100 V/125°C. Its soft recovery minimizes EMI in high-frequency switching topologies.
The PowerDI5 package delivers RθJC = 3 °C/W (on aluminum substrate) and RθJA = 18 °C/W-enabling compact, thermally robust designs without heatsinks in 5 A continuous operation up to +125°C ambient.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 100 V - blocks DC or peak reverse voltages up to 100 V without breakdown |
| IO(AV) | 5 A - supports continuous forward current of 5 A at TA ≤ +125°C with derating |
| VF(MAX) | 0.82 V @ 5 A, 25°C - enables <0.5 W conduction loss per device in 5 A applications |
| IR(MAX) | 4 µA @ 100 V, 125°C - ensures stable blocking performance under high-temp, high-voltage stress |
| TJ(max) | +150°C - allows operation in sealed enclosures or high-ambient industrial environments |
| RθJC | 3 °C/W (Al substrate) - enables direct thermal coupling to metal-core PCBs for passive cooling |
| Package | PowerDI5 - surface-mount, thermally enhanced 3-pin outline with 0.093 g mass and UL 94V-0 rating |
Pinout & Package
PowerDI5 is a 3-terminal surface-mount package with exposed cathode pad for thermal and electrical performance. Pin 1: Anode; Pin 2: Cathode (exposed pad); Pin 3: Anode (dual-anode configuration).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Anode | Primary anode connection; electrically tied to Pin 3 in internal dual-anode layout |
| Pin 2 | Cathode (Exposed Pad) | Main cathode terminal and primary thermal path to PCB copper; must be soldered to large copper area |
| Pin 3 | Anode | Secondary anode connection; internally paralleled with Pin 1 to share current and reduce resistance |
Key Features
| Feature | Design Value |
|---|---|
| Trench Schottky architecture | Reduces VF by ~15% vs planar Schottky at 5 A, lowering conduction losses in high-current paths |
| Soft, fast switching | Minimizes reverse recovery ringing and EMI in 300–1000 kHz DC-DC converters without snubbers |
| +150°C junction rating | Supports operation in sealed power supplies or automotive under-hood locations without derating |
| Green, halogen/antimony-free | Meets IEC 61249-2-21 and JEDEC J-STD-609A Class 1 for environmentally compliant manufacturing |
Applications
| DC-DC Converters | AC-DC Adapters |
|---|---|
Use Scenario: Secondary-side synchronous rectification in isolated 12 V → 3.3 V/5 V buck-derived converters. IC Role / Device Role / Timing Role: Freewheeling rectifier replacing MOSFETs where gate drive complexity or cost must be minimized. Use Value: Delivers 0.74 V VF at 125°C, reducing secondary-side loss by >0.3 W vs standard Schottky alternatives at 5 A. | Use Scenario: Output rectification in compact 12 V/24 V wall adapters with <15 mm height constraints. IC Role / Device Role / Timing Role: Blocking diode isolating output rails during no-load or standby conditions. Use Value: 4 µA IR at 125°C prevents >10 mW standby loss-critical for Energy Star Level VI compliance. |
| Industrial Power Supplies | LED Drivers |
Use Scenario: Input rectification in wide-input-range (9–36 V) DIN-rail mounted 24 V PSUs. IC Role / Device Role / Timing Role: Main output rectifier handling continuous 5 A load with transient surge tolerance up to 120 A (8.3 ms). Use Value: RθJC = 3 °C/W enables full 5 A rating on 2"×2" aluminum PCB-eliminating need for external heatsink. | Use Scenario: Constant-current path rectification in isolated LED drivers driving 1–3 strings at 350 mA–1 A. IC Role / Device Role / Timing Role: High-reliability freewheel diode in flyback or buck-boost LED controller feedback loops. Use Value: Soft switching suppresses voltage spikes across LED string, reducing capacitor stress and improving MTBF. |
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-50SQ030 | 30 V VRRM, 5 A IO, VF = 0.42 V @ 5 A - lower voltage rating, lower VF | Only suitable for ≤30 V output rails; not interchangeable in 100 V systems | Select only when system reverse voltage <35 V and ultra-low VF is prioritized over voltage margin |
| ON Semiconductor SB5100 | 100 V VRRM, 5 A IO, VF = 0.85 V @ 5 A, IR = 10 µA @ 125°C - higher leakage, same package | Higher IR increases standby loss in energy-sensitive adapters; otherwise drop-in compatible | Acceptable where leakage <10 µA is tolerable and cost is primary driver |
Compared with VS-50SQ030 and SB5100, SDT5100LP5 uniquely balances 100 V rating, sub-0.75 V VF at 125°C, and <4 µA IR-making it optimal for thermally constrained, high-efficiency 12–48 V industrial and adapter designs requiring long-term reliability.
Availability
SDT5100LP5 is available at Aetrix Electronics and suitable for DC-DC converters, AC-DC adapters, and industrial power supplies requiring stable component supply, consistent thermal performance, and RoHS-compliant green packaging.
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, headquartered in Plano, Texas, serving industrial, computing, consumer, and communications markets since 1966.
The SDT5100LP5 belongs to Diodes' Power Discrete product line, engineered specifically for high-efficiency, high-temperature rectification in space-constrained power conversion systems.
FAQ
What is the maximum continuous forward current rating for SDT5100LP5 at +100°C ambient?
At +100°C ambient temperature, SDT5100LP5 supports 4.2 A continuous forward current based on its derating curve (Figure 4). This assumes use of the recommended 2"×2" aluminum substrate PCB with RθJA = 18 °C/W, ensuring TJ remains ≤ +150°C under steady-state operation.
Does SDT5100LP5 have a specified reverse recovery time (trr)?
No-SDT5100LP5 is a Schottky barrier rectifier and exhibits majority-carrier conduction with no minority-carrier storage delay. Its "soft, fast switching" behavior is characterized by low reverse recovery charge (Qrr ≈ 0 nC), eliminating trr specification and associated switching losses in high-frequency converters.
Can SDT5100LP5 be used in place of a standard PN junction rectifier like 1N5408?
Yes, but only in low-voltage, high-efficiency applications where reverse voltage does not exceed 100 V. Unlike the 1N5408 (1000 V, 3 A, VF ≈ 0.95 V), SDT5100LP5 offers lower VF and zero reverse recovery, yet lacks high-voltage capability-making it unsuitable for line-voltage AC rectification.
Is the exposed cathode pad (Pin 2) electrically isolated from other terminals?
No-the exposed cathode pad (Pin 2) is the sole cathode terminal and is electrically connected directly to the die's cathode metallization. It must be soldered to a PCB copper pour designated as cathode net; no isolation or insulation is required or provided beneath this pad.
SDT5100LP5-7 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
SDT5100LP5-7 FAQ
1.How can I place an order for SDT5100LP5-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for SDT5100LP5-7 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 SDT5100LP5-7 reliable?
The price and inventory of SDT5100LP5-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SDT5100LP5-7 is usually 5 days.
3.What payment methods are accepted for SDT5100LP5-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SDT5100LP5-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SDT5100LP5-7?
SDT5100LP5-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SDT5100LP5-7 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 SDT5100LP5-7?
For technical support, including SDT5100LP5-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SDT5100LP5-7 requirements.
6.How does Aetrix verify that SDT5100LP5-7 is sourced from the original manufacturer or authorized distributors?
All SDT5100LP5-7 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 SDT5100LP5-7 meets industry standards.
7.What is the process for return or replacement of SDT5100LP5-7?
All SDT5100LP5-7 units undergo pre-shipment inspection (PSI). If there is an issue with SDT5100LP5-7, 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 SDT5100LP5-7 part is unused and in its original packaging.
Return procedure for SDT5100LP5-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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