STPS40100C2FYT STMicroelectronics Schottky Diode (Transistor Outline, Vertical) In Stock
STMicroelectronics STPS40100C2FYT is an aerospace-grade dual 20A, 100V power Schottky rectifier in a TO-254AA isolated package with common cathode configuration and a maximum forward voltage of 0.9V. Available from stock with worldwide shipping.
- Manufacturer
- STMicroelectronics
- Package
- Transistor Outline, Vertical
- Pin Count
- 3
- Lifecycle
- OBSOLETE
- Datasheet
- STPS40100C2FYT Datasheet PDF
- Category
- Schottky Diode
- Temp Range
- -65.0°C to 175.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual 2 x 20A current rating with 100V reverse voltage for high-power aerospace rectification
- Low 0.9V maximum forward voltage drop minimizing conduction losses at full load current
- Isolated TO-254AA package with common cathode configuration simplifying heat sink mounting
Applications
The STPS40100C2FYT is engineered for aerospace power supply and avionics rectification circuits requiring reliable operation under harsh environmental conditions. Its dual 20A common cathode configuration suits full-wave bridge rectifier topologies in DC-DC converters, onboard power units, and high-reliability industrial systems where low forward drop and stable thermal performance are essential.
Specifications
| YTEOL | 0 |
| Additional Feature | LOW NOISE |
| Application | MEDIUM VOLTAGE POWER |
| Case Connection | ISOLATED |
| Configuration | COMMON CATHODE, 2 ELEMENTS |
| Diode Element Material | SILICON |
| Diode Type | RECTIFIER DIODE |
| Forward Voltage-Max (VF) | 0.9V |
| JEDEC-95 Code | TO-254AA |
| JESD-30 Code | S-MSFM-P3 |
| Non-rep Pk Forward Current-Max | 300A |
| Number of Elements | 2 |
| Number of Phases | 1 |
| Output Current-Max | 20A |
| Package Body Material | METAL |
| Package Shape | SQUARE |
| Package Style | FLANGE MOUNT |
| Reference Standard | AEC-Q101 |
| Rep Pk Reverse Voltage-Max | 100V |
| Reverse Current-Max | 30 µA |
| Reverse Test Voltage | 100V |
| Surface Mount | NO |
| Technology | SCHOTTKY |
| Terminal Form | PIN/PEG |
| Terminal Position | SINGLE |
| Package | Transistor Outline, Vertical |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| Country of Origin | France |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for STPS40100C2FYT:
STMicroelectronics Rectifier Diode, Schottky, 1 Phase, 2 Element, 100V V(RRM), Silicon, TO-254AA
Rectifier Diode, Schottky, 1 Phase, 2 Element, 20A, 120V V(RRM), Silicon, TO-220AB
Rectifier Diode, Schottky, 1 Phase, 2 Element, 20A, 170V V(RRM), Silicon, TO-220AB
Rectifier Diode, Schottky, 1 Phase, 2 Element, 20A, 150V V(RRM), Silicon, TO-220AB
Rectifier Diode, Schottky, 1 Phase, 2 Element, 20A, 150V V(RRM), Silicon
Frequently Asked Questions
What are the current and voltage ratings of the STPS40100C2FYT, and what rectifier topology does it support?
The STPS40100C2FYT is rated at 2 x 20A forward current and 100V reverse voltage. Its common cathode dual-element configuration directly supports full-wave center-tap rectifier topologies, making it ideal for high-current aerospace and industrial power supply designs requiring efficient rectification.
How does the STPS40100C2FYT's forward voltage compare to standard silicon rectifiers in high-current applications?
With a maximum forward voltage of only 0.9V at full rated current, the STPS40100C2FYT significantly outperforms standard silicon PN rectifiers that typically exhibit 1.0V to 1.2V drop, reducing conduction losses by 10–25% in a 20A per leg application and improving overall power supply efficiency.
Why is the isolated TO-254AA package important when mounting the STPS40100C2FYT on a heat sink?
The isolated case in the TO-254AA package electrically separates the tab (heat sink mounting surface) from the circuit, allowing direct mounting to a chassis or shared heat sink without electrical insulation pads. This reduces thermal resistance by eliminating the extra pad layer, improving heat dissipation for the 2 x 20A rated device.
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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.
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