STF12N50DM2 STMicroelectronics MOSFET (N-Channel) (Transistor Outline, Vertical) In Stock
STF12N50DM2 is an N-channel power MOSFET from STMicroelectronics rated for 500 V drain-to-source voltage and 12 A continuous drain current. It features matte tin terminal finish for enhanced solderability in a TO-220 vertical package. Available from global distributors with worldwide shipping.
- Manufacturer
- STMicroelectronics
- Package
- Transistor Outline, Vertical
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- STF12N50DM2 Datasheet PDF
- Category
- MOSFET (N-Channel)
- Price
- From $0.8797(MOQ 10)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of STF12N50DM2?
- 500 V drain-to-source breakdown voltage enabling high-voltage power conversion designs
- 12 A continuous drain current rating for medium-power switching and motor drive applications
- Matte tin (Sn) annealed terminal finish for reliable solder joints and RoHS compliance
What is STF12N50DM2 used for?
STF12N50DM2 is designed for high-voltage switching applications including offline power supplies, LLC resonant converters, and PFC boost stages operating from universal AC mains. Its 500 V rating and 12 A current handling make it suitable for inverter stages in solar microinverters and UPS systems. The TO-220 vertical package provides excellent thermal dissipation when mounted to a heatsink in industrial power designs.
What are the specifications of STF12N50DM2?
| Factory Lead Time | 16Weeks |
| YTEOL | 6 |
| JESD-609 Code | e3 |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Package | Transistor Outline, Vertical |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| Country of Origin | Mainland China |
Where can I find the STF12N50DM2 datasheet?
STF12N50DM2 Datasheet DownloadOfficial datasheet from STMicroelectronics
What are equivalent replacements for STF12N50DM2?
Compatible alternatives and drop-in replacements for STF12N50DM2:
Power Field-Effect Transistor, 10A I(D), 1-Element, N-Channel, Metal-oxide Semiconductor FET
Frequently Asked Questions
What voltage and current ratings define STF12N50DM2's suitability for offline power supply designs?
STF12N50DM2 is rated for 500 V drain-to-source voltage and 12 A continuous drain current, making it well suited for offline flyback and forward converters operating from 85–265 V AC universal input. These ratings provide sufficient margin above peak rectified mains voltage to ensure reliable long-term operation in power supply switching stages.
How does STF12N50DM2 perform in PFC boost converter designs requiring high switching frequency?
With its 500 V blocking capability and 12 A current rating, STF12N50DM2 handles PFC boost converter switching from 85 V to 265 V AC input. The vertical TO-220 package allows heatsinking to manage thermal dissipation at switching frequencies of 50–100 kHz typical for CCM PFC, making it a practical choice for industrial power factor correction stages.
What is the lead time for STF12N50DM2 and what alternatives should designers consider for supply resilience?
STF12N50DM2 carries a factory lead time of 16 weeks from STMicroelectronics, which is relatively long. Designers should qualify alternative 500 V N-channel MOSFETs in TO-220 with 12 A or higher current ratings, and maintain at least 20 weeks of safety stock to avoid production stoppages when ordering volumes fluctuate.
For a motor drive running from a 400 V DC bus, what makes STF12N50DM2 an appropriate switch selection?
A 400 V DC bus requires a switch rated at least 500 V to provide a 25% derating margin against voltage spikes from motor inductance. STF12N50DM2 meets this requirement with its 500 V Vds and 12 A Id, handling motor currents up to approximately 8–10 A continuous after derating for temperature, which fits small to medium 1–3 kW drive topologies.
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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+ | $1.4200 | $14.20 |
| 25+ | $1.3500 | $33.75 |
| 50+ | $1.2400 | $62.00 |
| 100+ | $1.1900 | $119.00 |
| 500+ | $1.0300 | $515.00 |
| 2000+ | $0.8797 | $1759.46 |
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.”
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