STPS30M100ST STMicroelectronics Schottky Diode with Dual Anode (Transistor Outline, Vertical) In Stock
STMicroelectronics STPS30M100ST is a 100 V, 30 A single Schottky rectifier with 0.565 V maximum forward voltage in a TO-220AB package. Optimized for efficiency in high-current power conversion circuits. Available from stock with worldwide shipping.
- Manufacturer
- STMicroelectronics
- Package
- Transistor Outline, Vertical
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- STPS30M100ST Datasheet PDF
- Category
- Schottky Diode with Dual Anode
- Price
- From $0.5950(MOQ 1)
- Temp Range
- ?°C to 150.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of STPS30M100ST?
- 100 V reverse voltage rating and 30 A continuous forward current handling for demanding power supply applications
- Ultra-low 0.565 V maximum forward voltage drop minimizing conduction losses in high-efficiency rectifiers
- TO-220AB 3-lead single package with cathode tab enabling simple PCB mounting and heatsink attachment
- Silicon Schottky rectifier construction providing fast switching with minimal reverse recovery losses
What is STPS30M100ST used for?
The STPS30M100ST is designed for high-efficiency power rectification in applications such as switch-mode power supplies, DC-DC converters, and solar energy charge controllers where minimizing forward voltage drop directly improves system efficiency. Its 30 A current capability and 100 V blocking voltage suit output rectification stages in server power supplies and industrial DC bus converters. The TO-220AB package simplifies heatsink mounting for sustained high-current operation in thermally demanding environments.
What are the specifications of STPS30M100ST?
| Factory Lead Time | 15Weeks |
| YTEOL | 5.82 |
| Application | EFFICIENCY |
| Case Connection | CATHODE |
| Configuration | SINGLE |
| Diode Element Material | SILICON |
| Diode Type | RECTIFIER DIODE |
| Forward Voltage-Max (VF) | 0.565V |
| JEDEC-95 Code | TO-220AB |
| JESD-30 Code | R-PSFM-T3 |
| JESD-609 Code | e3 |
| Non-rep Pk Forward Current-Max | 300A |
| Number of Elements | 1 |
| Number of Phases | 1 |
| Output Current-Max | 30A |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | FLANGE MOUNT |
| Peak Reflow Temperature (Cel) | 225 |
| Qualification Status | Not Qualified |
| Rep Pk Reverse Voltage-Max | 100V |
| Surface Mount | NO |
| Technology | SCHOTTKY |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Terminal Form | THROUGH-HOLE |
| Terminal Position | SINGLE |
| Package | Transistor Outline, Vertical |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8541.10.00.80 |
| Country of Origin | Mainland China |
Where can I find the STPS30M100ST datasheet?
STPS30M100ST Datasheet DownloadOfficial datasheet from STMicroelectronics
What are equivalent replacements for STPS30M100ST?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does STPS30M100ST's 0.565 V maximum forward voltage improve efficiency compared to standard silicon rectifiers?
Standard silicon P-N junction rectifiers have forward voltage drops of 0.6 V to 1.1 V, while the STPS30M100ST Schottky rectifier limits VF to 0.565 V maximum at 30 A. At 30 A continuous current, this ~0.5 V lower drop reduces conduction power loss by approximately 15 W per device, directly improving power supply efficiency by 1 to 2 percentage points.
What heatsinking is required for STPS30M100ST operating at full 30 A current in a power supply?
At 30 A with 0.565 V forward voltage, the STPS30M100ST dissipates approximately 17 W of conduction power. The TO-220AB package has a thermal resistance junction-to-case of around 1.5°C/W, requiring an external heatsink to maintain junction temperature below 175°C. A heatsink with thermal resistance below 5°C/W is typically needed for continuous full-load operation at 25°C ambient.
Which power conversion topologies benefit most from STPS30M100ST's 100 V blocking voltage and 30 A rating?
STPS30M100ST is well-suited for output rectification in flyback and forward converters with 48 V DC bus outputs, buck regulator freewheeling diodes in 48 V to 12 V conversions, and solar panel charge controller rectifiers where 100 V reverse voltage provides ample margin. The 30 A current rating handles high-power loads typical in server and telecom power supplies.
When is STPS30M100ST preferred over a Schottky diode in a smaller SMD package for output rectification?
STPS30M100ST in a TO-220AB through-hole package is preferred when the design requires sustained 30 A output current with external heatsink attachment, as SMD Schottky packages rarely handle more than 5 A to 15 A continuously without derating. The TO-220AB tab allows direct mounting to chassis or aluminum heatsinks, making it the correct choice for high-power rectification stages above 20 A.
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Why Buy from FindMyChip
About STMicroelectronics
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 |
|---|---|---|
| 1+ | $1.7000 | $1.70 |
| 10+ | $1.0700 | $10.70 |
| 100+ | $0.9100 | $91.00 |
| 500+ | $0.7200 | $360.00 |
| 1000+ | $0.6801 | $680.10 |
| 2000+ | $0.5950 | $1190.00 |
In Stock · 24h Response · Worldwide Shipping
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