STPST2H100ZFY STMicroelectronics Schottky Diode (Small Outline Diode Flat Lead) In Stock
The STPST2H100ZFY is an automotive-grade 100 V, 2 A power Schottky trench rectifier from STMicroelectronics with a maximum forward voltage of 0.805 V. It is qualified for AEC-Q101 automotive applications and housed in a compact SOD-F2 flat-lead surface-mount package. Available in stock with worldwide shipping for automotive and industrial design procurement.
- Manufacturer
- STMicroelectronics
- Package
- Small Outline Diode Flat Lead
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- STPST2H100ZFY Datasheet PDF
- Category
- Schottky Diode
- Price
- From $0.0969(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
- 100 V blocking voltage with 2 A average forward current rating for automotive power rail protection
- Low forward voltage drop of 0.805 V maximum, reducing conduction losses in freewheeling and rectification circuits
- AEC-Q101 automotive-qualified for use in under-hood and powertrain applications up to 150°C junction temperature
- Trench Schottky technology for ultra-fast reverse recovery enabling high-frequency switching up to hundreds of kHz
- Compact SOD-F2 flat-lead SMT package for space-efficient automotive PCB layouts
Applications
The STPST2H100ZFY is designed for automotive power management applications including freewheeling diodes in DC motor driver circuits, reverse polarity protection, and synchronous rectification in 12 V and 24 V vehicle power systems. It is also suitable for industrial switching power supplies and DC-DC converters where low forward voltage drop and fast recovery at 100 V are required. The AEC-Q101 qualification makes it the preferred choice in advanced driver assistance systems (ADAS) and automotive lighting modules.
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) | 0.805V |
| JESD-30 Code | R-PDSO-F2 |
| Non-rep Pk Forward Current-Max | 35A |
| Number of Elements | 1 |
| Number of Phases | 1 |
| Output Current-Max | 2A |
| 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 | 2.7 µ A |
| 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 electrical ratings of STPST2H100ZFY for automotive power circuit design?
STPST2H100ZFY is rated for 100 V reverse blocking voltage and 2 A average forward current, with a maximum forward voltage of 0.805 V at rated current. Its non-repetitive peak forward surge current reaches 35 A, providing robustness against transients in automotive 12 V battery systems.
Is STPST2H100ZFY suitable for freewheeling diode applications in automotive motor drivers?
Yes. STPST2H100ZFY is specifically listed with freewheeling diode as an additional feature, making it ideal for inductive kickback protection in DC brush motor driver H-bridges operating at 12 V or 24 V automotive rails. The fast trench Schottky structure minimizes reverse recovery losses at switching frequencies above 100 kHz.
What junction temperature range does STPST2H100ZFY support in harsh automotive environments?
STPST2H100ZFY supports a junction temperature range from -40°C to 150°C, meeting the stringent thermal requirements of automotive under-hood applications. The AEC-Q101 qualification ensures reliability after temperature cycling, burn-in, and humidity stress tests mandated by automotive OEM supply chain standards.
How does the SOD-F2 package of STPST2H100ZFY compare to standard SOD-123 in PCB layout?
The JESD-30 R-PDSO-F2 (SOD-F2) package of STPST2H100ZFY features a flat-lead, low-profile SMT footprint with a body size of approximately 1.6 mm × 1.2 mm × 0.55 mm, smaller and lower-profile than the standard SOD-123, which measures 3.8 mm × 1.5 mm. This compact outline saves board area in high-density automotive ECU and lighting modules.
When is STPST2H100ZFY a better alternative to a standard silicon rectifier in a 100 V design?
STPST2H100ZFY is preferred over a standard silicon pn-junction rectifier when low forward voltage drop (0.805 V vs. typical 1.0–1.2 V for silicon) and fast switching are priorities. In a 2 A continuous application, the Schottky's lower Vf reduces power dissipation by approximately 0.4–0.8 W compared to a standard rectifier, improving efficiency in automotive DC-DC converters.
Related Guides
CL31A107MQHNNNE 1206 100 uF MLCC Selection Guide
How to choose CL31A107MQHNNNE and related 1206 MLCCs for low-voltage bulk capacitance and regulator stability.
Jul 2, 2026
CL05B103KB5NNNC 0402 10 nF X7R MLCC Selection Guide
How to choose CL05B103KB5NNNC and related 0402 MLCCs for bypassing, filtering, voltage derating, and sourcing.
Jul 2, 2026
ADAQ7768-1 Design Guide for Precision Vibration and Dynamic Signal Measurement
Design ADAQ7768-1 precision data acquisition channels for vibration and dynamic sensing with the right bandwidth, reference, clock, and layout choices.
Jun 30, 2026
AD5204BRZ10 Design Guide for SPI-Controlled Gain and Offset Calibration
Design AD5204BRZ10 digital potentiometer calibration loops with bounded trim span, safe wiper current, clean SPI routing, and reliable startup codes.
Jun 30, 2026
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 |
|---|---|---|
| 10+ | $0.2700 | $2.70 |
| 100+ | $0.1900 | $19.00 |
| 500+ | $0.1400 | $70.00 |
| 3000+ | $0.1090 | $327.00 |
| 6000+ | $0.1021 | $612.66 |
| 9000+ | $0.0969 | $872.10 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.”