Datasheets
FQA55N25 by:

Power MOSFET, N-Channel, QFET®, 250 V, 55 A, 40 mΩ, TO-3P, TO-3P-3L, 450-TUBE

Part Details for FQA55N25 by onsemi

Results Overview of FQA55N25 by onsemi

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FQA55N25 Information

FQA55N25 by onsemi is a Power Field-Effect Transistor.
Power Field-Effect Transistors are under the broader part category of Transistors.

A transistor is a small semiconductor device used to amplify, control, or create electrical signals. When selecting a transistor, factors such as voltage, current rating, gain, and power dissipation must be considered, with common types. Read more about Transistors on our Transistors part category page.

Price & Stock for FQA55N25

Part # Distributor Description Stock Price Buy
DISTI # 23M6299
Newark Mosfet, N, To-3P, Channel Type:N Channel, Drain Source Voltage Vds:250V, Continuous Drain Current Id:55A, Transistor Mounting:Through Hole, Rds(On) Test Voltage:10V, Gate Source Threshold Voltage Max:5V, Power Dissipation:310W, Msl:-Rohs Compliant: Yes |Onsemi FQA55N25 RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 0 Container: Bulk 0
Buy Now
DISTI # 85983537
Verical Trans MOSFET N-CH 250V 55A 3-Pin(3+Tab) TO-3P Tube Min Qty: 64 Package Multiple: 1 Date Code: 2201 Americas - 312
  • 64 $5.9500
  • 100 $5.6500
  • 500 $5.3500
  • 1,000 $5.0625
  • 10,000 $4.7625
$4.7625 / $5.9500 Buy Now
Rochester Electronics Power MOSFET, N-Channel, QFET, 250 V, 55 A, TO-3P RoHS: Compliant Status: Obsolete Min Qty: 1 312
  • 25 $4.7600
  • 100 $4.5200
  • 500 $4.2800
  • 1,000 $4.0500
  • 10,000 $3.8100
$3.8100 / $4.7600 Buy Now

Part Details for FQA55N25

FQA55N25 CAD Models

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FQA55N25 Part Data Attributes

FQA55N25 onsemi
Buy Now Datasheet
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FQA55N25 onsemi Power MOSFET, N-Channel, QFET®, 250 V, 55 A, 40 mΩ, TO-3P, TO-3P-3L, 450-TUBE
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Obsolete
Ihs Manufacturer ONSEMI
Part Package Code TO-3P-3L
Package Description TO-3PN, 3 PIN
Manufacturer Package Code 340BZ
Reach Compliance Code not_compliant
ECCN Code EAR99
Factory Lead Time 4 Weeks
Samacsys Manufacturer onsemi
Avalanche Energy Rating (Eas) 1000 mJ
Configuration SINGLE WITH BUILT-IN DIODE
DS Breakdown Voltage-Min 250 V
Drain Current-Max (ID) 55 A
Drain-source On Resistance-Max 0.04 Ω
FET Technology METAL-OXIDE SEMICONDUCTOR
JESD-30 Code R-PSFM-T3
JESD-609 Code e3
Number of Elements 1
Number of Terminals 3
Operating Mode ENHANCEMENT MODE
Operating Temperature-Max 150 °C
Package Body Material PLASTIC/EPOXY
Package Shape RECTANGULAR
Package Style FLANGE MOUNT
Polarity/Channel Type N-CHANNEL
Power Dissipation-Max (Abs) 310 W
Pulsed Drain Current-Max (IDM) 220 A
Qualification Status Not Qualified
Surface Mount NO
Terminal Finish MATTE TIN
Terminal Form THROUGH-HOLE
Terminal Position SINGLE
Transistor Application SWITCHING
Transistor Element Material SILICON

FQA55N25 Related Parts

FQA55N25 Frequently Asked Questions (FAQ)

  • The maximum junction temperature of the FQA55N25 is 150°C. However, it's recommended to keep the junction temperature below 125°C for reliable operation.

  • To ensure proper biasing, make sure to provide a stable gate-source voltage (Vgs) between 2V to 5V, and a drain-source voltage (Vds) within the recommended operating range. Also, ensure the gate current is limited to the recommended maximum value.

  • For optimal thermal performance, use a PCB with a thick copper layer (at least 2 oz) and a thermal relief pattern under the device. Ensure good thermal conductivity between the device and the heat sink. A thermal interface material (TIM) can be used to improve heat transfer.

  • Yes, the FQA55N25 is suitable for high-frequency switching applications up to 100 kHz. However, ensure that the device is properly biased and the PCB layout is optimized for high-frequency operation to minimize parasitic inductance and capacitance.

  • To protect the FQA55N25 from ESD, handle the device with an anti-static wrist strap or mat, and ensure that the PCB has ESD protection circuits, such as TVS diodes or ESD protection arrays, to prevent damage from static electricity.

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