STD3NK50ZT4
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STMicroelectronics STD3NK50ZT4

Manufacturer No:
STD3NK50ZT4
Manufacturer:
STMicroelectronics
Package:
Tape & Reel (TR)
Description:
MOSFET N-CH 500V 2.3A DPAK
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The STD3NK50ZT4 is a high-voltage N-channel Power MOSFET developed by STMicroelectronics using the advanced SuperMESH™ technology. This device is part of STMicroelectronics' broad portfolio of power MOSFETs, designed to meet the demands of various high-power applications. The SuperMESH™ technology is an optimization of the well-established PowerMESH™, offering significant reductions in on-resistance and enhanced dv/dt capability.

This MOSFET is Zener-protected, ensuring high reliability and robustness against electrical stress. It is packaged in a DPAK (TO-252) package, which is compact and thermally efficient, making it suitable for applications where space and thermal management are critical.

Key Specifications

Parameter Value Unit
Drain-source voltage (VDS) 500 V
Gate-source voltage (VGS) ±30 V
Drain current (continuous) at TC = 25 °C (ID) 2.3 A
Drain current (continuous) at TC = 100 °C (ID) 1.45 A
Drain current (pulsed) (IDM) 9.2 A
Total dissipation at TC = 25 °C (PTOT) 45 W
Peak diode recovery voltage slope (dv/dt) 4.5 V/ns
Operating junction temperature range (Tj) -55 to 150 °C
Static drain-source on resistance (RDS(on)) 2.8 (typ.), 3.3 (max.) Ω
Gate charge (Qg) 11 to 15 nC
Thermal resistance junction-case (Rthj-case) 2.78 °C/W
Thermal resistance junction-ambient (Rthj-amb) 100 °C/W

Key Features

  • Extremely high dv/dt capability, making it suitable for demanding applications.
  • 100% avalanche tested, ensuring robustness against electrical stress.
  • Gate charge minimized, reducing switching losses.
  • Very low intrinsic capacitance, enhancing high-frequency performance.
  • Zener-protected, providing built-in ESD protection and eliminating the need for additional external components.

Applications

The STD3NK50ZT4 is designed for various high-power switching applications, including:

  • Switching power supplies (SMPS).
  • Data centers.
  • Solar microinverters.
  • Industrial and automotive systems where high reliability and efficiency are critical.

Q & A

  1. What is the maximum drain-source voltage (VDS) of the STD3NK50ZT4?

    The maximum drain-source voltage (VDS) is 500 V.

  2. What is the typical static drain-source on resistance (RDS(on)) of the STD3NK50ZT4?

    The typical static drain-source on resistance (RDS(on)) is 2.8 Ω.

  3. What is the maximum continuous drain current (ID) at TC = 25 °C?

    The maximum continuous drain current (ID) at TC = 25 °C is 2.3 A.

  4. What is the peak diode recovery voltage slope (dv/dt) of the STD3NK50ZT4?

    The peak diode recovery voltage slope (dv/dt) is 4.5 V/ns.

  5. What is the operating junction temperature range (Tj) of the STD3NK50ZT4?

    The operating junction temperature range (Tj) is -55 to 150 °C.

  6. Is the STD3NK50ZT4 Zener-protected?

    Yes, the STD3NK50ZT4 is Zener-protected, which enhances its ESD performance and eliminates the need for additional external components.

  7. What package type is the STD3NK50ZT4 available in?

    The STD3NK50ZT4 is available in a DPAK (TO-252) package.

  8. What are some typical applications of the STD3NK50ZT4?

    Typical applications include switching power supplies, data centers, solar microinverters, and industrial and automotive systems.

  9. What is the thermal resistance junction-case (Rthj-case) of the STD3NK50ZT4?

    The thermal resistance junction-case (Rthj-case) is 2.78 °C/W.

  10. Is the STD3NK50ZT4 100% avalanche tested?

    Yes, the STD3NK50ZT4 is 100% avalanche tested, ensuring its robustness against electrical stress.

Product Attributes

FET Type:N-Channel
Technology:MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss):500 V
Current - Continuous Drain (Id) @ 25°C:2.3A (Tc)
Drive Voltage (Max Rds On, Min Rds On):10V
Rds On (Max) @ Id, Vgs:3.3Ohm @ 1.15A, 10V
Vgs(th) (Max) @ Id:4.5V @ 50µA
Gate Charge (Qg) (Max) @ Vgs:15 nC @ 10 V
Vgs (Max):±30V
Input Capacitance (Ciss) (Max) @ Vds:280 pF @ 25 V
FET Feature:- 
Power Dissipation (Max):45W (Tc)
Operating Temperature:-55°C ~ 150°C (TJ)
Mounting Type:Surface Mount
Supplier Device Package:DPAK
Package / Case:TO-252-3, DPak (2 Leads + Tab), SC-63
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Similar Products

Part Number STD3NK50ZT4 STD6NK50ZT4 STD3NK60ZT4 STD5NK50ZT4 STD3NK80ZT4 STD3NK90ZT4 STD4NK50ZT4
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Product Status Active Not For New Designs Not For New Designs Active Active Active Not For New Designs
FET Type N-Channel N-Channel N-Channel N-Channel N-Channel N-Channel N-Channel
Technology MOSFET (Metal Oxide) MOSFET (Metal Oxide) MOSFET (Metal Oxide) MOSFET (Metal Oxide) MOSFET (Metal Oxide) MOSFET (Metal Oxide) MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss) 500 V 500 V 600 V 500 V 800 V 900 V 500 V
Current - Continuous Drain (Id) @ 25°C 2.3A (Tc) 5.6A (Tc) 2.4A (Tc) 4.4A (Tc) 2.5A (Tc) 3A (Tc) 3A (Tc)
Drive Voltage (Max Rds On, Min Rds On) 10V 10V 10V 10V 10V 10V 10V
Rds On (Max) @ Id, Vgs 3.3Ohm @ 1.15A, 10V 1.2Ohm @ 2.8A, 10V 3.6Ohm @ 1.2A, 10V 1.5Ohm @ 2.2A, 10V 4.5Ohm @ 1.25A, 10V 4.8Ohm @ 1.5A, 10V 2.7Ohm @ 1.5A, 10V
Vgs(th) (Max) @ Id 4.5V @ 50µA 4.5V @ 50µA 4.5V @ 50µA 4.5V @ 50µA 4.5V @ 50µA 4.5V @ 50µA 4.5V @ 50µA
Gate Charge (Qg) (Max) @ Vgs 15 nC @ 10 V 24.6 nC @ 10 V 11.8 nC @ 10 V 28 nC @ 10 V 19 nC @ 10 V 22.7 nC @ 10 V 12 nC @ 10 V
Vgs (Max) ±30V ±30V ±30V ±30V ±30V ±30V ±30V
Input Capacitance (Ciss) (Max) @ Vds 280 pF @ 25 V 690 pF @ 25 V 311 pF @ 25 V 535 pF @ 25 V 485 pF @ 25 V 590 pF @ 25 V 310 pF @ 25 V
FET Feature - - - - - - -
Power Dissipation (Max) 45W (Tc) 90W (Tc) 45W (Tc) 70W (Tc) 70W (Tc) 90W (Tc) 45W (Tc)
Operating Temperature -55°C ~ 150°C (TJ) -55°C ~ 150°C (TJ) -55°C ~ 150°C (TJ) -55°C ~ 150°C (TJ) -55°C ~ 150°C (TJ) -55°C ~ 150°C (TJ) -55°C ~ 150°C (TJ)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Supplier Device Package DPAK DPAK DPAK DPAK DPAK TO-252 (D-Pak) DPAK
Package / Case TO-252-3, DPak (2 Leads + Tab), SC-63 TO-252-3, DPak (2 Leads + Tab), SC-63 TO-252-3, DPak (2 Leads + Tab), SC-63 TO-252-3, DPak (2 Leads + Tab), SC-63 TO-252-3, DPak (2 Leads + Tab), SC-63 TO-252-3, DPak (2 Leads + Tab), SC-63 TO-252-3, DPak (2 Leads + Tab), SC-63

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