STPST12H100SF STMicroelectronics Schottky Diode (Other) In Stock
STMicroelectronics STPST12H100SF is a 100 V, 12 A power Schottky trench rectifier featuring a low forward voltage of 0.71 V maximum and a wide operating temperature range of -65°C to +175°C. The TO-277A (JEDEC-95) single cathode package suits high-frequency freewheeling and output rectification in DC/DC power converters. Available from stock with worldwide shipping.
- Manufacturer
- STMicroelectronics
- Package
- Other
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- STPST12H100SF Datasheet PDF
- Category
- Schottky Diode
- Price
- From $0.2700(MOQ 10)
- Temp Range
- ?°C to 175.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 100 V blocking voltage and 12 A average forward current in a compact TO-277A surface-mount package for high-density power designs
- Low maximum forward voltage of 0.71 V reduces conduction losses, improving efficiency in synchronous buck and boost converter output stages
- Extended -65°C to +175°C operating temperature range enables reliable freewheeling rectifier performance in automotive and industrial environments
Applications
STPST12H100SF serves as a freewheeling or output rectifier in DC/DC converters, switching power supplies, and motor drive snubber circuits where low forward-voltage drop and fast switching recovery are critical. Its 100 V, 12 A rating makes it a strong fit for secondary-side rectification in industrial 48 V to 72 V bus-fed systems. The high-temperature silicon trench construction also suits automotive on-board chargers and battery management circuits demanding reliability across wide thermal excursions.
Specifications
| Factory Lead Time | 19Weeks |
| YTEOL | 6 |
| Additional Feature | FREE WHEELING DIODE |
| Application | POWER |
| Case Connection | CATHODE |
| Configuration | SINGLE |
| Diode Element Material | SILICON |
| Diode Type | RECTIFIER DIODE |
| Forward Voltage-Max (VF) | 0.71V |
| JEDEC-95 Code | TO-277A |
| JESD-30 Code | R-PDSO-F3 |
| Non-rep Pk Forward Current-Max | 230A |
| Number of Elements | 1 |
| Number of Phases | 1 |
| Output Current-Max | 12A |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Rep Pk Reverse Voltage-Max | 100V |
| Reverse Current-Max | 24 µA |
| Reverse Test Voltage | 100V |
| Surface Mount | YES |
| Technology | SCHOTTKY |
| Terminal Form | FLAT |
| Terminal Position | DUAL |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8541.10.00.80 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What forward voltage does the STPST12H100SF exhibit at its rated 12 A current, and why does this matter for converter efficiency?
The STPST12H100SF has a maximum forward voltage of 0.71 V at 12 A, which is significantly lower than a standard PN junction diode's typical 0.9 V to 1.1 V drop. This reduced conduction loss can improve output rectifier efficiency by 0.5% to 1% in a 12 A, 48 V system, translating to less heat dissipation and smaller thermal management requirements.
How does the -65°C to +175°C operating range of the STPST12H100SF benefit automotive power designs?
The extended -65°C to +175°C junction temperature range allows the STPST12H100SF to function reliably in under-hood automotive environments where ambient temperatures regularly exceed 125°C. This permits operation without over-derating in on-board charger secondary rectifiers and DC/DC converters that must pass AEC-Q101-level thermal stress tests.
What package does the STPST12H100SF use and what board-level advantages does it offer?
The STPST12H100SF is housed in the TO-277A (JEDEC-95) surface-mount package, a low-profile single-diode SMT outline. The TO-277A provides a smaller footprint than axial or leaded alternatives and is compatible with standard reflow soldering, enabling automated PCB assembly in 12 A freewheeling and rectifier positions within compact power modules.
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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 |
|---|---|---|
| 10+ | $0.8900 | $8.90 |
| 100+ | $0.5900 | $59.00 |
| 500+ | $0.4600 | $230.00 |
| 1000+ | $0.4000 | $400.00 |
| 2000+ | $0.3918 | $783.62 |
| 6000+ | $0.2700 | $1620.00 |
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