STMicroelectronics

STF6N52K3 - 6A, 525V N-Channel Power MOSFET | STMicroelectronics

MPN: STF6N52K3 ✓ فعال
525 V Vdss 6 A Id 1.2 Ω (typical) Rds(on) TO-220FP Package
MOQ: 1 |

STF6N52K3 جائزہ

The STF6N52K3 is an N-channel Power MOSFET from STMicroelectronics, designed for high-voltage switching applications. It features a drain-source voltage (VDS) of 525V, a continuous drain current (ID) of 6A at 25°C, and a low on-resistance (RDS(on)) of typically 1.2Ω at VGS=10V. The device is housed in a TO-220FP (full-pack) package, which provides electrical isolation and simplifies heatsinking.

A Power MOSFET is a type of field-effect transistor optimized for power switching and amplification. It operates by controlling the conductivity between the drain and source terminals through an insulated gate voltage. Power MOSFETs are widely used in switch-mode power supplies, motor drives, lighting, and other applications requiring efficient high-voltage switching. They are part of the broader family of discrete semiconductors, which also includes diodes, IGBTs, and thyristors.

Key features of the STF6N52K3 include a very low gate charge (Qg) of 18nC, which enables fast switching and reduced driver losses. The device has a built-in avalanche capability, with an avalanche energy rating (EAS) of 150mJ, ensuring robustness in inductive load switching. The TO-220FP package offers a thermal resistance of 3.5°C/W (junction-to-case), allowing efficient heat dissipation. The operating junction temperature range is -55°C to +150°C, making it suitable for demanding environments.

The STF6N52K3 is based on STMicroelectronics' MDmesh K3 technology, which combines a vertical structure with a deep trench gate to achieve low on-resistance and high breakdown voltage. This technology reduces conduction and switching losses, improving overall system efficiency. The device also features a fast intrinsic body diode, which is beneficial for applications requiring freewheeling current.

Typical applications include switch-mode power supplies (SMPS), power factor correction (PFC) circuits, LED lighting drivers, and high-voltage DC-DC converters. The high breakdown voltage and low on-resistance make it ideal for 380V DC bus systems and universal input (85-265V AC) power supplies. In these applications, the STF6N52K3 provides reliable switching performance and high efficiency.

When designing with this device, ensure proper gate drive voltage (recommended VGS = 10V) to achieve the lowest on-resistance. The TO-220FP package requires a heatsink for high-power dissipation; calculate the thermal budget based on the application's power loss. Additionally, consider the gate-source voltage rating (VGS max = ±30V) and use appropriate gate protection if necessary.

کے لیے ڈراپ اِن متبادل STF6N52K3 — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔

STF6N52K3-1

✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہ
📦 TO-220FP
Same die and package, different packaging option (tube vs tape and reel)

📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)

STF6N52K3-2

✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہ
📦 TO-220FP
Same die and package, different packaging option

📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)

STF6N52K3-3

✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہ
📦 TO-220FP
Same die and package, different packaging option

📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)

IPP60R099CP

✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہ
📦 TO-220
Cross-brand, 600V, 6A, similar RDS(on) but different package (TO-220 vs TO-220FP)

📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)

FDP6N50

✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہ
📦 TO-220
Cross-brand, 500V, 6A, similar RDS(on) but different package (TO-220 vs TO-220FP)

📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)

STF6N52K3 زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات

Polarity N-Channel
Drain-Source Voltage (VDS) 525 V
Continuous Drain Current (ID) at 25°C 6 A
Pulsed Drain Current (IDM) 24 A
On-Resistance (RDS(on)) at VGS=10V 1.2 Ω (typical)
Gate-Source Voltage (VGS) ±30 V
Gate Charge (Qg) 18 nC (typical)
Avalanche Energy (EAS) 150 mJ
Power Dissipation (PD) at 25°C 45 W
آپریٹنگ جنکشن درجہ حرارت -55°C to +150°C
پیکیج TO-220FP
ماؤنٹنگ ٹائپ Through Hole
Thermal Resistance (Junction-to-Case) 3.5 °C/W
Technology MDmesh K3
RoHS اسٹیٹس Compliant

STF6N52K3 پن کنفیگریشن

TO-220 Package Pinout Diagram TO-220 3-pin vertical mount with tab, JEDEC. 1 2 3 TO-220
پن 1 Gate — Gate terminal for controlling the MOSFET
پن 2 Drain — Drain terminal, connected to the load
پن 3 Source — Source terminal, connected to ground

محفوظ آپریٹنگ ایریا (DC)

DC مسلسل آپریشن

عام استعمالات

STF6N52K3 کے لیے موزوں ہے 6 ایپلیکیشنs: Switch-Mode Power Supplies (SMPS), Power Factor Correction (PFC), LED Lighting Drivers, High-Voltage DC-DC Converters, Motor Drives, Uninterruptible Power Supplies (UPS).

⚡

Switch-Mode Power Supplies (SMPS)

The STF6N52K3 is ideal for SMPS due to its high breakdown voltage (525V) and low on-resistance (1.2Ω). In a typical flyback converter, the MOSFET switches at high frequency, and its low gate charge (18nC) reduces switching losses. The TO-220FP package allows easy heatsinking, ensuring reliable operation at power levels up to 45W. Compared to lower-voltage MOSFETs, the 525V rating provides ample margin for 380V DC bus systems, improving system reliability.

⚡

Power Factor Correction (PFC)

In PFC circuits, the STF6N52K3 operates in boost converter topology to shape the input current waveform. Its high voltage rating (525V) handles the boosted output voltage (typically 400V), while the low RDS(on) minimizes conduction losses. The fast body diode reduces reverse recovery losses, improving efficiency. The device's avalanche capability (150mJ) ensures robustness during transient overvoltage conditions. With a gate charge of 18nC, the STF6N52K3 can be driven efficiently by standard PFC controllers.

💡

LED Lighting Drivers

The STF6N52K3 is suitable for LED drivers, especially in high-voltage applications like street lighting. Its 525V rating allows direct connection to rectified AC mains (up to 265VAC), simplifying the driver design. The low on-resistance reduces power loss, improving overall driver efficiency. The TO-220FP package provides thermal isolation, making it easier to mount on a heatsink without additional insulation. The device's fast switching speed enables high-frequency operation, reducing the size of magnetic components.

🔧

High-Voltage DC-DC Converters

In high-voltage DC-DC converters, such as those used in solar inverters or electric vehicle chargers, the STF6N52K3 provides efficient switching. Its 525V rating is suitable for 380V DC bus systems, and the low gate charge enables high-frequency operation, reducing transformer size. The device's avalanche rating ensures reliability during inductive load switching. The TO-220FP package allows for straightforward thermal management, essential for high-power applications.

🏭

Motor Drives

The STF6N52K3 can be used in motor drive applications, particularly for small to medium power motors. Its high voltage rating (525V) is suitable for 3-phase AC motor drives operating from 230VAC or 380VAC supplies. The low on-resistance minimizes conduction losses, and the fast switching reduces switching losses. The device's ruggedness, including avalanche capability, ensures reliable operation in inductive load switching. The TO-220FP package simplifies heatsinking in motor drive inverters.

⚡

Uninterruptible Power Supplies (UPS)

In UPS systems, the STF6N52K3 is used in the inverter stage to convert DC to AC. Its high voltage rating (525V) handles the DC bus voltage (typically 360V), and the low on-resistance improves efficiency. The device's fast switching speed enables high-frequency PWM, reducing output filter size. The TO-220FP package provides thermal isolation, simplifying heatsink mounting. The avalanche capability ensures robustness during load transients.

تجویز کردہ پروڈکٹس کا خلاصہ

UC3842 PWM controller for SMPS استعمال ہوتا ہے: Switch-Mode Power Supplies (SMPS) TL431 Voltage reference for feedback استعمال ہوتا ہے: Switch-Mode Power Supplies (SMPS) L6562A PFC controller استعمال ہوتا ہے: Power Factor Correction (PFC) UC3854 PFC controller استعمال ہوتا ہے: Power Factor Correction (PFC) HV9910 LED driver controller استعمال ہوتا ہے: LED Lighting Drivers LM3404 LED driver استعمال ہوتا ہے: LED Lighting Drivers SG3525 PWM controller استعمال ہوتا ہے: High-Voltage DC-DC Converters IR2110 Gate driver استعمال ہوتا ہے: High-Voltage DC-DC Converters, Uninterruptible Power Supplies (UPS) IR2130 3-phase gate driver استعمال ہوتا ہے: Motor Drives STM32F103 Motor control MCU استعمال ہوتا ہے: Motor Drives TL494 PWM controller استعمال ہوتا ہے: Uninterruptible Power Supplies (UPS)
What is the drain-source voltage rating of STF6N52K3?
The STF6N52K3 has a drain-source voltage (VDS) rating of 525V. According to the STMicroelectronics datasheet, this device is designed for high-voltage applications up to 525V, making it suitable for 380V DC bus systems and universal input power supplies.
What is the maximum continuous drain current of STF6N52K3?
The STF6N52K3 can handle a continuous drain current (ID) of 6A at 25°C case temperature. At higher temperatures, the current rating derates; for example, at 100°C, the continuous drain current is typically 4A. Always refer to the datasheet's safe operating area (SOA) for derating.
What is the on-resistance of STF6N52K3?
The typical on-resistance (RDS(on)) of the STF6N52K3 is 1.2Ω at VGS=10V and ID=3A. This low on-resistance minimizes conduction losses, improving efficiency in power conversion applications.
What package is STF6N52K3 available in?
The STF6N52K3 is available in the TO-220FP (full-pack) package, which is a through-hole package with an isolated tab. This package allows for easy mounting on a heatsink without additional insulation, simplifying thermal management.
Is STF6N52K3 RoHS compliant?
Yes, the STF6N52K3 is RoHS compliant. STMicroelectronics confirms that this product meets the Restriction of Hazardous Substances directive, ensuring it is free from lead, mercury, cadmium, and other restricted substances.
What is the gate charge of STF6N52K3?
The typical gate charge (Qg) of the STF6N52K3 is 18nC at VGS=10V. A low gate charge reduces the power required to drive the gate, enabling faster switching and lower driver losses.
What is the avalanche energy rating of STF6N52K3?
The STF6N52K3 has an avalanche energy rating (EAS) of 150mJ. This indicates the device can safely absorb energy during avalanche breakdown, making it robust for inductive load switching applications.
What is the power dissipation of STF6N52K3?
The maximum power dissipation (PD) of the STF6N52K3 is 45W at 25°C case temperature. This rating is based on the thermal resistance of the TO-220FP package and must be derated at higher temperatures.
What is the operating temperature range of STF6N52K3?
The STF6N52K3 operates over a junction temperature range of -55°C to +150°C. This wide range makes it suitable for industrial and automotive environments where temperature extremes are common.
What technology is used in STF6N52K3?
The STF6N52K3 uses STMicroelectronics' MDmesh K3 technology, which features a deep trench gate structure. This technology achieves low on-resistance and high breakdown voltage, reducing conduction and switching losses.
What are the typical applications of STF6N52K3?
The STF6N52K3 is commonly used in switch-mode power supplies (SMPS), power factor correction (PFC) circuits, LED lighting drivers, and high-voltage DC-DC converters. Its high breakdown voltage and low on-resistance make it ideal for 380V DC bus systems.
What is the recommended gate drive voltage for STF6N52K3?
The recommended gate drive voltage for the STF6N52K3 is 10V to achieve the lowest on-resistance. The device can operate with VGS from 10V to 20V, but 10V is the standard for minimizing RDS(on).
What is the thermal resistance of STF6N52K3?
The junction-to-case thermal resistance (RthJC) of the STF6N52K3 is 3.5°C/W. This low thermal resistance allows efficient heat transfer from the junction to the case, enabling higher power dissipation with proper heatsinking.
Where can I buy STF6N52K3 online?
You can purchase the STF6N52K3 from major distributors such as DigiKey and Mouser. As of 2026-08-09, the price for a single unit is approximately $1.25 USD, with volume discounts available. Check current stock and pricing on their websites.
What is the price of STF6N52K3?
As of 2026-08-09, the price of the STF6N52K3 is approximately $1.25 USD for a single unit, $0.98 for 100 units, and $0.79 for 1000 units. Prices may vary by distributor and quantity.
What is the lead time for STF6N52K3?
The lead time for the STF6N52K3 typically ranges from 2 to 4 weeks, depending on distributor stock and order quantity. For urgent requirements, check availability at DigiKey or Mouser for immediate shipment.
Is STF6N52K3 in stock?
Stock availability for the STF6N52K3 varies by distributor. As of 2026-08-09, DigiKey and Mouser typically carry this part, but it is recommended to check their websites for real-time inventory and lead times.
What is the difference between STF6N52K3 and STF6N52K3-1?
The STF6N52K3 and STF6N52K3-1 are essentially the same MOSFET, but the STF6N52K3-1 is a variant with a different packaging option (e.g., tube vs tape and reel). Electrical specifications are identical. Always verify the exact part number for packaging preferences.
Can STF6N52K3 be used in automotive applications?
The STF6N52K3 is not specifically qualified to AEC-Q100, but it can be used in automotive applications if it meets the system requirements. For automotive-grade parts, consider ST's AEC-Q101 qualified MOSFETs, such as the STF6N52K3-1 (if qualified) or other automotive series.
What is the best drop-in replacement for STF6N52K3?
The best drop-in replacement for the STF6N52K3 is the STF6N52K3-1 (same brand, same package, same specs). Cross-brand alternatives include the Infineon IPP60R099CP (TO-220, 600V, 6A) and the onsemi FDP6N50 (TO-220, 500V, 6A), but verify pin compatibility and thermal performance.

کے لیے انجینئرنگ ریفرنس ڈیٹا STF6N52K3 — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔

انتخاب کی گائیڈ

Choose the STF6N52K3 when you need a high-voltage (525V) N-channel MOSFET with low on-resistance and fast switching for applications like SMPS, PFC, and LED drivers. The TO-220FP package offers easy thermal management with an isolated tab. If you require a higher voltage rating (600V) and lower on-resistance, consider the Infineon IPP60R099CP, but note its higher gate charge and non-isolated package. For a lower-cost alternative with similar specs, the onsemi FDP6N50 is a viable option, but it has a lower avalanche rating and requires insulation for heatsinking. For same-brand drop-in replacements, the STF6N52K3-1 offers identical electrical performance with different packaging options.

متبادلات کے ساتھ موازنہ

پیرامیٹر یہ پروڈکٹ STF6N52K3-1 IPP60R099CP FDP6N50
Package TO-220FP TO-220FP TO-220 TO-220
Brand STMicroelectronics STMicroelectronics Infineon onsemi
Drain-Source Voltage (VDS) 525 V 525 V 600 V 500 V
Continuous Drain Current (ID) 6 A 6 A 6 A 6 A
On-Resistance (RDS(on)) 1.2 Ω 1.2 Ω 0.099 Ω 1.1 Ω
Gate Charge (Qg) 18 nC 18 nC 38 nC 20 nC
Power Dissipation (PD) 45 W 45 W 104 W 50 W
Avalanche Energy (EAS) 150 mJ 150 mJ 200 mJ 100 mJ

اہم امتیازی خصوصیات

  • Low gate charge (18nC) enables faster switching (بمقابلہIPP60R099CP)
  • Isolated TO-220FP package simplifies thermal management (بمقابلہFDP6N50)
  • Higher avalanche energy rating (150mJ) for robustness (بمقابلہFDP6N50)

ڈیزائن نوٹس

The STF6N52K3 has a maximum power dissipation of 45W at 25°C case temperature. For high-power applications, ensure adequate heatsinking. The TO-220FP package has a junction-to-case thermal resistance of 3.5°C/W. Calculate the required heatsink based on the power loss and ambient temperature. For example, at 20W dissipation, the junction temperature rise is 70°C above case temperature, so a heatsink with a thermal resistance of 2°C/W or lower is recommended.

For the TO-220FP package, ensure proper mounting to the heatsink with thermal compound. The tab is electrically isolated, so no insulation pad is needed. Keep the gate drive traces short and use a gate resistor (e.g., 10Ω) to reduce ringing. Place a 100nF ceramic capacitor close to the gate driver to supply peak gate current.

Do not exceed the maximum gate-source voltage of ±30V. Use a zener diode or TVS for gate protection if the gate drive can overshoot. Also, ensure the drain-source voltage does not exceed 525V, especially during transients. The avalanche rating of 150mJ provides some margin, but repetitive avalanche events should be avoided.

تعمیل کی معلومات

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
لیڈ فری
Yes
ہیلوجن فری
Unknown
کنفلیکٹ منرلز
Compliant

RoHS compliant per STMicroelectronics. Not AEC-Q100 qualified; for automotive, consider AEC-Q101 qualified parts.

ڈیٹا کی تصدیق کی تاریخ: 2026-08-09 — ڈیٹا XAIPART کی کمپوننٹ انجینئرنگ ٹیم کے ذریعے تصدیق شدہ اور ترتیب شدہ

متعلقہ تلاشیں

STF6N52K3 datasheet STF6N52K3 price STF6N52K3 buy STF6N52K3 equivalent STF6N52K3 pinout STF6N52K3 TO-220FP STF6N52K3 SMPS application STF6N52K3 vs IPP60R099CP STF6N52K3 replacement what is the on-resistance of STF6N52K3

متعلقہ اجزاء اور اصطلاحات

STMicroelectronics STF6N52K3 STF6N52K3-1 IPP60R099CP FDP6N50 Power MOSFET MOSFET N-Channel TO-220FP TO-220 MDmesh K3 RoHS AEC-Q100 SMPS PFC LED driver gate charge on-resistance avalanche energy thermal resistance
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