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
Key Features
- 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
Applications
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.
Specifications
| 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 |
Alternate & Equivalent Parts
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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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
Response within 24 hours · Worldwide shipping
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