STPST1H100AFY STMicroelectronics Schottky Diode (Small Outline Diode Flat Lead) In Stock
STMicroelectronics STPST1H100AFY is an automotive-grade 100 V, 1 A power Schottky trench rectifier in a compact SODF2 flat-lead package, featuring a maximum forward voltage of 0.725 V and AEC-Q101 qualification. Designed as a free-wheeling diode for automotive power stages, available in stock worldwide with competitive pricing.
- Manufacturer
- STMicroelectronics
- Package
- Small Outline Diode Flat Lead
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- STPST1H100AFY Datasheet PDF
- Category
- Schottky Diode
- Price
- From $0.0948(MOQ 10)
- Temp Range
- -40.0°C to 175.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Automotive AEC-Q101 qualified for use in harsh under-hood environments up to 150°C junction temperature
- 100 V reverse voltage rating with maximum 0.725 V forward voltage drop enabling low conduction losses
- Trench Schottky silicon technology delivering superior reverse recovery compared to standard p-n diodes
- Compact Small Outline Diode Flat Lead (SODF2) package optimized for space-constrained automotive PCB layouts
Applications
The STPST1H100AFY is engineered for automotive power management applications including DC-DC converter free-wheeling stages, alternator rectification, and body electronics protection circuits operating up to 100 V. Its AEC-Q101 qualification and wide operating temperature range make it suitable for engine control units, HVAC blower motor drives, and on-board charger auxiliary circuits where low forward voltage drop and fast switching are essential.
Specifications
| Factory Lead Time | 19Weeks |
| YTEOL | 6 |
| Additional Feature | FREE WHEELING DIODE |
| Application | POWER |
| Configuration | SINGLE |
| Diode Element Material | SILICON |
| Diode Type | RECTIFIER DIODE |
| Forward Voltage-Max (VF) | 0.725V |
| JESD-30 Code | R-PDSO-F2 |
| JESD-609 Code | e3 |
| Non-rep Pk Forward Current-Max | 25A |
| Number of Elements | 1 |
| Number of Phases | 1 |
| Output Current-Max | 1A |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Reference Standard | AEC-Q101 |
| Rep Pk Reverse Voltage-Max | 100V |
| Reverse Current-Max | 1.7 µA |
| Reverse Test Voltage | 100V |
| Surface Mount | YES |
| Technology | SCHOTTKY |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Terminal Form | FLAT |
| Terminal Position | DUAL |
| Package | Small Outline Diode Flat Lead |
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 | Malaysia |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What are the key voltage and current ratings of the STPST1H100AFY Schottky rectifier?
The STPST1H100AFY is rated for a 100 V maximum reverse voltage and a 1 A average forward current, with a maximum forward voltage drop of 0.725 V at rated current. These parameters make it suitable for automotive power supply rail voltages commonly found in 12 V and 24 V vehicle electrical systems, and the low forward voltage minimizes conduction power losses in continuous free-wheeling applications.
Is the STPST1H100AFY qualified for automotive use, and what standard applies?
Yes, the STPST1H100AFY is AEC-Q101 qualified, the industry standard for passive and discrete semiconductor components used in automotive applications. This qualification covers stress testing across a junction temperature range of -40°C to 150°C, ensuring reliable operation in harsh under-hood environments subject to thermal cycling, humidity, and vibration. It is suitable for safety-relevant automotive power stages that require long service lifetimes.
How does the trench Schottky technology in the STPST1H100AFY reduce switching losses compared to standard rectifiers?
Trench Schottky technology produces a metal-semiconductor junction rather than a p-n junction, eliminating minority carrier storage and enabling near-zero reverse recovery time. This means the STPST1H100AFY can switch at high frequencies above 100 kHz with minimal switching energy loss, unlike standard silicon rectifier diodes that suffer from significant reverse recovery current spikes. The result is lower EMI generation and higher efficiency in DC-DC converter and motor drive free-wheeling circuits.
What package does the STPST1H100AFY use, and how does it benefit PCB layout in automotive designs?
The STPST1H100AFY uses the Small Outline Diode Flat Lead (SODF2) surface-mount package, which features a flat lead profile that reduces inductance and improves thermal contact to the PCB copper. The compact 2-lead footprint allows placement very close to switching transistors in motor-drive H-bridges and synchronous buck converters, minimizing parasitic loop inductance and improving electromagnetic compatibility in automotive designs that must meet CISPR 25 radiated emission limits.
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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+ | $0.3800 | $3.80 |
| 100+ | $0.2400 | $24.00 |
| 500+ | $0.1800 | $90.00 |
| 1000+ | $0.1624 | $162.40 |
| 6000+ | $0.1250 | $750.00 |
| 9000+ | $0.0948 | $853.20 |
In Stock · 24h Response · Worldwide Shipping
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