FJT44KTF NPN bipolar transistor with 400V collector-emitter breakdown voltage and 300mA collector current. Surface mount package SOT-223-4 with 2W power dissipation.
Mfr Part #:

FJT44KTF

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
NPN bipolar transistor with 400V collector-emitter breakdown voltage and 300mA collector current. Surface mount package SOT-223-4 with 2W power dissipation.
✓ Total Stock: 4,490 pcs
$ Price Range: $0.17 - $0.82

FJT44KTF Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
3,490 pcs
3490 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
1,000 pcs
1000 pcs On Request 1 On Request On Request On Request On Request On Request

FJT44KTF Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
DC Current Gain (hFE) (Min) @ Ic, Vce
Medical Grade
Mounting Type
Operating Temperature
Power
Storage Temperature
Supplier Device Package
Tape & Reel
Transistor Type
Vce Saturation (Max) @ Ib, Ic
Voltage

FJT44KTF Description

Short technical summary and product information.

The FJT44KTF is an NPN bipolar junction transistor manufactured by ON Semiconductor. It features a collector-emitter breakdown voltage of 400V and a continuous collector current rating of 300mA, making it suitable for high voltage switching and amplification applications.

 

The transistor offers a minimum DC current gain (hFE) of 50 at 10mA collector current and 10V collector-emitter voltage. The maximum Vce saturation voltage is 750mV at a base current of 5mA and collector current of 50mA. Power dissipation is rated at 2W.

 

The device is housed in a surface mount TO-261-4 / TO-261AA package, with the supplier device package designated as SOT-223-4. It operates at a maximum junction temperature of 150°C. The mounting type is surface mount, suitable for automated assembly processes.

FJT44KTF Quick Information

Product Type: NPN Bipolar Transistor
Series: FJT44
Canonical Name: FJT44KTF NPN Bipolar Transistor, 400V, 300mA, SOT-223-4
Subcategory: NPN Transistor

FJT44KTF Compliance

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

FJT44KTF Estimated Pricing

Qty Low High
1+ $0.82 $0.82
10+ $0.51 $0.51
100+ $0.33 $0.33
500+ $0.25 $0.25
1,000+ $0.23 $0.23
2,500+ $0.19 $0.19
5,000+ $0.17 $0.17

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

FJT44KTF Features

  • NPN transistor with 400V collector-emitter breakdown.
  • Rated for 300mA continuous collector current.
  • Surface mount SOT-223-4 package.
  • 2W power dissipation capability.
  • Minimum DC current gain of 50 at 10mA.

FJT44KTF Applications

  • Suitable for high voltage switching circuits.
  • Used in linear amplification stages.
  • Ideal for power management in consumer electronics.
  • Applicable in automotive ignition systems.

FJT44KTF FAQs

7 frequently asked questions generated from this part’s specifications.
What is the collector-emitter breakdown voltage?

400V.

What package is the FJT44KTF available in?

It is available in TO-261-4 / TO-261AA package, with supplier device package SOT-223-4.

What is the maximum operating junction temperature?

150°C.

Is the FJT44KTF RoHS compliant?

It is listed as RoHS3 Compliant, but this status is unverified.

What is the maximum collector current?

300 mA.

What is the power dissipation?

2 W.

What is the transistor type?

NPN.

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