STP17NF25 STMicroelectronics MOSFET (N-Channel) (Transistor Outline, Vertical) In Stock
The STP17NF25 is an N-Channel STripFET II power MOSFET from STMicroelectronics, rated at 17 A continuous drain current and 250 V drain-source breakdown voltage. It features a low on-state resistance of 0.165 Ω and an avalanche energy rating of 100 mJ in the compact TO-220 package, enabling reliable switching performance.
- Manufacturer
- STMicroelectronics
- Package
- Transistor Outline, Vertical
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- STP17NF25 Datasheet PDF
- Category
- MOSFET (N-Channel)
- Price
- From $0.4772(MOQ 1)
- Temp Range
- ?°C to 150.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 250 V drain-source breakdown voltage enables use in high-voltage power conversion designs
- Low RDS(on) of 0.165 Ω reduces conduction losses in switching regulator and motor drive circuits
- 17 A continuous drain current rating supports medium-power load control in TO-220AB single package
Applications
The STP17NF25 is well suited for switched-mode power supplies, DC-DC converters, and motor drive applications requiring reliable high-voltage switching. Its 250 V rating and low on-resistance make it effective in PFC front-end stages and flyback converter primary-side switches. Industrial automation systems and battery-powered equipment benefit from its TO-220 package for easy heatsink mounting and efficient thermal management.
Specifications
| Factory Lead Time | 13Weeks |
| YTEOL | 5.85 |
| Avalanche Energy Rating (Eas) | 100mJ |
| Configuration | SINGLE WITH BUILT-IN DIODE |
| DS Breakdown Voltage-Min | 250V |
| Drain Current-Max (ID) | 17A |
| Drain-source On Resistance-Max | 0.165Ω |
| FET Technology | METAL-OXIDE SEMICONDUCTOR |
| JEDEC-95 Code | TO-220AB |
| JESD-30 Code | R-PSFM-T3 |
| JESD-609 Code | e3 |
| Number of Elements | 1 |
| Operating Mode | ENHANCEMENT MODE |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | FLANGE MOUNT |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| Polarity/Channel Type | N-CHANNEL |
| Power Dissipation-Max (Abs) | 90W |
| Pulsed Drain Current-Max (IDM) | 68A |
| Qualification Status | Not Qualified |
| Surface Mount | NO |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE |
| Terminal Position | SINGLE |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Transistor Application | SWITCHING |
| Transistor Element Material | SILICON |
| Package | Transistor Outline, Vertical |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| Country of Origin | Mainland China |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What continuous drain current and drain-source voltage can the STP17NF25 handle in a buck converter design?
The STP17NF25 supports up to 17 A continuous drain current and 250 V drain-source breakdown voltage, making it a solid choice for mid-power buck converters operating from high-voltage bus rails up to 200 V. Its 100 mJ avalanche energy rating adds robustness against voltage spikes.
How does the STP17NF25's RDS(on) affect efficiency in a 150 W flyback converter?
With a maximum RDS(on) of 0.165 Ω, the STP17NF25 produces relatively low conduction losses at rated current, contributing to converter efficiency above 85% in typical 150 W flyback designs. The STripFET II technology reduces switching losses at frequencies up to 100 kHz.
Which package does the STP17NF25 use, and how does it simplify PCB thermal design?
The STP17NF25 ships in a 3-pin TO-220AB package with a JEDEC-95 code of TO-220AB, allowing direct mounting to a standard heatsink with a single M3 screw. This keeps junction-to-case thermal resistance low and simplifies 250 V, 17 A power stage layouts on standard FR4 boards.
When is the STP17NF25 a practical alternative to discrete IGBTs in motor control applications?
For motor drives operating below 250 V and switching at frequencies above 20 kHz, the STP17NF25 outperforms IGBTs due to its faster turn-off and no minority-carrier tail current. The 17 A rating covers small three-phase motors up to roughly 2 kW at 48 V bus voltage, where MOSFET switching efficiency gains are significant.
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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 |
|---|---|---|
| 1+ | $1.7600 | $1.76 |
| 10+ | $1.1200 | $11.20 |
| 1000+ | $0.6250 | $625.00 |
| 2000+ | $0.5327 | $1065.40 |
| 5000+ | $0.4888 | $2444.00 |
| 8000+ | $0.4772 | $3817.60 |
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