STPS3150AFN STMicroelectronics Schottky Diode (Small Outline Diode Flat Lead) In Stock
Silicon Power Schottky rectifier rated at 150V and 3A with a maximum forward voltage of 0.89V in a compact SOD-FL2 package. Designed for high-efficiency power conversion with a peak surge current capability of 75A. Available from stock worldwide with competitive pricing and fast delivery.
- Manufacturer
- STMicroelectronics
- Package
- Small Outline Diode Flat Lead
- Pin Count
- 2
- Lifecycle
- OBSOLETE
- Datasheet
- STPS3150AFN Datasheet PDF
- Category
- Schottky Diode
- Price
- From $0.1155(MOQ 10)
- Temp Range
- ?°C to 175.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 150V reverse voltage rating supports a wide range of switched-mode power supply topologies
- Low forward voltage of 0.89V maximum reduces conduction losses for improved efficiency
- 75A non-repetitive peak forward current provides robust surge handling in demanding power designs
Applications
The STPS3150AFN Schottky rectifier is optimized for free-wheeling and output rectification stages in switch-mode power supplies, DC-DC converters, and solar energy systems. Its low forward voltage drop reduces power dissipation and improves overall system efficiency in high-frequency applications. The compact SOD-FL2 package suits space-constrained designs such as portable chargers, motor drive circuits, and LED driver modules.
Specifications
| Date Of Intro | 2019-10-09 |
| YTEOL | 0 |
| Application | EFFICIENCY |
| Configuration | SINGLE |
| Diode Element Material | SILICON |
| Diode Type | RECTIFIER DIODE |
| Forward Voltage-Max (VF) | 0.89V |
| JESD-30 Code | R-PDSO-F2 |
| Non-rep Pk Forward Current-Max | 75A |
| Number of Elements | 1 |
| Number of Phases | 1 |
| Output Current-Max | 3A |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| Rep Pk Reverse Voltage-Max | 150V |
| Reverse Current-Max | 2 µA |
| Reverse Test Voltage | 150V |
| Surface Mount | YES |
| Technology | SCHOTTKY |
| Terminal Form | FLAT |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Package | Small Outline Diode Flat Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8541.10.00.80 |
| Country of Origin | Morocco |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the STPS3150AFN forward voltage compare to standard silicon rectifiers, and what efficiency benefit does it offer?
The STPS3150AFN has a maximum forward voltage of 0.89V at 3A, compared to 1V or higher for standard silicon PN rectifiers. This lower drop reduces conduction losses by roughly 10 to 15%, improving power supply efficiency especially in 12V to 48V output designs running at switching frequencies above 100 kHz.
What surge current can the STPS3150AFN handle during power-on inrush events?
The STPS3150AFN can withstand a non-repetitive peak forward current of 75A, more than 25 times its continuous 3A rating. This surge capability protects against capacitor in-rush spikes during power-up sequences in SMPS and motor drive circuits operating up to 150V.
Which power supply topologies are best suited to the STPS3150AFN Schottky diode?
Boost converters, flyback converters, and synchronous buck post-rectifiers operating at 100 kHz to 1 MHz benefit most from the STPS3150AFN. Its 150V blocking voltage and 3A continuous rating align with output stages delivering 5V to 48V at low-to-medium current loads in telecom and industrial power designs.
What package does the STPS3150AFN use and how does it affect PCB layout thermal management?
The STPS3150AFN uses an SOD-FL2 flat-lead package with exposed solder lands that allow direct copper-pour heat spreading on the PCB. Its small footprint of approximately 2.8 mm x 2.5 mm suits dense layouts, and placing a 1 cm² copper pour under the pads helps keep junction temperature below the 175°C maximum.
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STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 10+ | $0.4100 | $4.10 |
| 100+ | $0.2600 | $26.00 |
| 500+ | $0.2000 | $100.00 |
| 20000+ | $0.1239 | $2478.20 |
| 30000+ | $0.1189 | $3566.40 |
| 50000+ | $0.1155 | $5775.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
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