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FDT439N FDT439N is an N-Channel enhancement mode power MOSFET from On Semiconductor, rated for 30V drain-source voltage and 6.3A continuous drain current, housed in a SOT-223-4 surface mount package.
Mfr Part #:

FDT439N

Available from 3 distributors
Mfr Name: On Semiconductor
On Semiconductor
FDT439N is an N-Channel enhancement mode power MOSFET from On Semiconductor, rated for 30V drain-source voltage and 6.3A continuous drain current, housed in a SOT-223-4 surface mount package.
✓ Total Stock: 16,014 pcs
$ Price Range: $0.30 - $1.42

FDT439N Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Flip Electronics ✓
Non-Authorised Inventory information
8,044 pcs
On Request
8044 pcs On Request 1 On Request On Request On Request On Request On Request
MW.FEP S.p.A. ✓
Non-Authorised Inventory information
4,085 pcs
On Request
4085 pcs On Request 1 On Request On Request On Request On Request On Request
Braun Electronic Components ✓
Non-Authorised Inventory information
3,885 pcs
On Request
3885 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

FDT439N Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Drain to Source Voltage (Vdss)
Drive Voltage (Max Rds On, Min Rds On)
FET Type
Gate Charge (Qg) (Max) @ Vgs
Input Capacitance (Ciss) (Max) @ Vds
Mounting Type
Operating Temperature
Power Dissipation (Max)
Rds On (Max) @ Id, Vgs
Storage Temperature
Supplier Device Package
Tape & Reel
Technology
Vgs (Max)
Vgs(th) (Max) @ Id
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FDT439N Description

Short technical summary and product information.

The FDT439N is an N-Channel enhancement mode power MOSFET manufactured by On Semiconductor using their proprietary high cell density DMOS technology. This device is designed for low voltage, low current applications such as notebook computer power management, battery powered circuits, and DC motor control.

 

Key electrical specifications include a drain-source voltage (VDSS) of 30V, continuous drain current (ID) of 6.3A at 25°C, and a maximum drain-source on-resistance (RDS(on)) of 45 mΩ at VGS=4.5V and 58 mΩ at VGS=2.5V. The gate threshold voltage (VGS(th)) is 1V maximum at ID=250µA. The device can handle pulsed drain currents up to 20A and has a maximum power dissipation of 3W at 25°C ambient.

 

The FDT439N is offered in a SOT-223-4 surface mount package (TO-261-4, TO-261AA case style) and is Pb-Free (RoHS compliant). It operates over a junction temperature range of -55°C to +150°C.

FDT439N Quick Information

Product Type: N-Channel Enhancement Mode Power MOSFET
Canonical Name: FDT439N N-Channel Enhancement Mode Power MOSFET, 30V, 6.3A, SOT-223-4
Subcategory: N-Channel Enhancement Mode

FDT439N Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Yes

FDT439N Estimated Pricing

Qty Low High
1+ $1.42 $1.42
10+ $0.89 $0.89
50+ $0.66 $0.66
100+ $0.59 $0.59
500+ $0.46 $0.46
4,000+ $0.32 $0.32
8,000+ $0.30 $0.30

Estimated market price range - modelled values for guidance only, not live distributor offers.

FDT439N Features

  • N-Channel enhancement mode power MOSFET.
  • 30V drain-source voltage rating.
  • 6.3A continuous drain current capability.
  • Low on-resistance: 45 mΩ at 4.5V gate drive.
  • Pb-Free and RoHS compliant package.

FDT439N Applications

  • DC/DC converter circuits.
  • Load switch applications.
  • Motor driving circuits.
  • Notebook computer power management.
  • Battery powered circuit control.

FDT439N FAQs

6 frequently asked questions generated from this part’s specifications.
What is the maximum drain-source voltage (VDSS) of the FDT439N?

The maximum drain-source voltage (VDSS) is 30V.

What is the continuous drain current rating of the FDT439N?

The continuous drain current (ID) is 6.3A at TA=25°C.

What is the on-resistance (RDS(on)) of the FDT439N?

The maximum on-resistance is 45 mΩ at VGS=4.5V and 58 mΩ at VGS=2.5V.

What package does the FDT439N come in?

The FDT439N is available in a SOT-223-4 surface mount package (TO-261-4, TO-261AA case style).

What is the operating temperature range of the FDT439N?

The operating junction temperature range is -55°C to +150°C.

Is the FDT439N RoHS compliant?

Yes, the FDT439N is Pb-Free and RoHS compliant as stated in the datasheet.

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