STTH208UFY STMicroelectronics Diode (Small Outline Diode Flat Lead) In Stock
STMicroelectronics STTH208UFY is an automotive-grade high-voltage ultrafast silicon rectifier diode rated at 2 A forward current with a maximum forward voltage of 1.55 V. It is AEC-Q101 qualified for use in automotive applications and packaged in a 2-pin SOD flat-lead package. Available in stock with worldwide shipping.
- Manufacturer
- STMicroelectronics
- Package
- Small Outline Diode Flat Lead
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- STTH208UFY Datasheet PDF
- Category
- Diode
- Price
- From $0.1628(MOQ 23)
- Temp Range
- -40.0°C to 175.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- AEC-Q101 automotive qualification ensures reliable operation in harsh automotive environments across -40°C to 175°C junction temperature range
- Ultrafast reverse recovery time enables high-frequency switching in motor drives, DC-DC converters, and freewheeling rectifier circuits up to hundreds of kHz
- Low forward voltage drop of maximum 1.55 V at 2 A reduces conduction losses and improves power efficiency in compact automotive power stages
Applications
STTH208UFY is designed for automotive power conversion circuits where high switching speed and reliability are critical. It is commonly used as a freewheeling diode in automotive motor driver ICs, DC-DC boost converters, and battery management systems. Its ultrafast recovery characteristic also makes it suitable for high-frequency rectification in on-board chargers and ADAS power supply modules operating under AEC-Q101 standards.
Specifications
| Factory Lead Time | 53 Weeks, 1 Day |
| YTEOL | 5.98 |
| Additional Feature | FREE WHEELING DIODE |
| Application | HIGH VOLTAGE ULTRA FAST RECOVERY |
| Configuration | SINGLE |
| Diode Element Material | SILICON |
| Diode Type | RECTIFIER DIODE |
| Forward Voltage-Max (VF) | 1.55V |
| JESD-30 Code | R-PDSO-F2 |
| JESD-609 Code | e3 |
| Non-rep Pk Forward Current-Max | 30A |
| 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 | 800V |
| Reverse Current-Max | 5 µA |
| Reverse Recovery Time-Max | 0.075 µs |
| Reverse Test Voltage | 800V |
| Surface Mount | YES |
| 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 | Morocco |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum forward voltage of STTH208UFY at its rated current, and why does this matter for automotive DC-DC designs?
STTH208UFY has a maximum forward voltage of 1.55 V at 2 A forward current. Lower forward voltage directly reduces conduction power loss in freewheeling and rectifier stages, improving efficiency in 12 V automotive DC-DC converters where every millivolt of drop affects thermal performance and battery run time.
Over what temperature range is STTH208UFY rated, and what qualification standard does it meet?
STTH208UFY is rated for a junction temperature range of -40°C to 175°C and meets AEC-Q101 Grade 1 automotive qualification. This makes it suitable for under-hood and body-control modules where ambient temperatures can exceed 125°C during normal vehicle operation.
When is STTH208UFY a better fit than a standard rectifier diode in a motor-drive freewheeling circuit?
STTH208UFY is preferred over a standard rectifier in motor-drive freewheeling applications because its ultrafast reverse recovery time minimizes switching losses at high PWM frequencies above 20 kHz. Its 2 A current rating and 2-pin SOD flat-lead package also support compact PCB layouts in automotive motor driver 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 |
|---|---|---|
| 23+ | $0.2531 | $5.82 |
| 5000+ | $0.1628 | $814.00 |
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