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HRFZ44N from HARRIS,Intersil

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HRFZ44N

Manufacturer: HARRIS, INTERSIL

49A/ 55V/ 0.022 Ohm/ N-Channel UltraFET Power MOSFET
Partnumber Manufacturer Quantity Availability
HRFZ44N HARRIS, INTERSIL 387 In Stock

Description and Introduction

49A/ 55V/ 0.022 Ohm/ N-Channel UltraFET Power MOSFET The HRFZ44N is a power MOSFET manufactured by Harris (now part of Intersil). Here are its key specifications:

- **Type**: N-Channel Enhancement Mode MOSFET  
- **Drain-Source Voltage (VDSS)**: 60V  
- **Continuous Drain Current (ID)**: 49A  
- **Pulsed Drain Current (IDM)**: 190A  
- **Power Dissipation (PD)**: 150W  
- **Gate-Source Voltage (VGS)**: ±20V  
- **On-Resistance (RDS(on))**: 0.028Ω (max at VGS = 10V, ID = 25A)  
- **Threshold Voltage (VGS(th))**: 2V to 4V  
- **Input Capacitance (Ciss)**: 2100pF  
- **Output Capacitance (Coss)**: 800pF  
- **Reverse Transfer Capacitance (Crss)**: 200pF  
- **Turn-On Delay Time (td(on))**: 15ns  
- **Rise Time (tr)**: 60ns  
- **Turn-Off Delay Time (td(off))**: 55ns  
- **Fall Time (tf)**: 30ns  
- **Package**: TO-220AB  

These specifications are based on Harris's datasheet for the HRFZ44N.

Application Scenarios & Design Considerations

49A/ 55V/ 0.022 Ohm/ N-Channel UltraFET Power MOSFET

Alternative Part Number

  • IRFZ44N --: Industry-standard N-channel MOSFET with the same 55V/49A ratings and TO-220 package; the original IR part is the de facto reference for this die.
  • STP55NF06 --: Comparable 60V N-channel MOSFET in TO-220 with similar on-resistance and current capability, widely available and cost-effective.
  • FQP30N06L --: 60V logic-level N-channel MOSFET in TO-220 offering similar switching performance and a good second-source option.
  • IRFZ44NPBF --: Industry-standard N-channel MOSFET with the same 55V/49A class and low RDS(on), widely available and a direct functional replacement.
  • FQP50N06 --: 60V N-channel MOSFET with similar current capability and low RDS(on), a practical alternative for power switching circuits.

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