FJT44TF
400V 2W NPN Bipolar TransistorsFJT44TF
400V 2W NPN Bipolar Transistors
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Manufacturer Part # : FJT44TF
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Package/Case: SOT-223-4
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Brand: Onsemi
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Product Categories : Single Bipolar Transistors
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Series : FJT44
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Shipping & Payment
Shipping & Payment
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.

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FJT44TF DataSheet
Pricing (USD)
Quantity | Unit Price | Ext. Price |
---|---|---|
5 | $0.217 | $1.08 |
50 | $0.173 | $8.65 |
150 | $0.155 | $23.25 |
500 | $0.131 | $65.50 |
2500 | $0.121 | $302.50 |
4000 | $0.115 | $460.00 |
These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.
Interested Parts
FJT44TF Details
The FJT44TF is a NPN Silicon Transistor designed for various electronic applications. This transistor is known for its high voltage and current capabilities, making it suitable for power amplification and switching circuits. It offers low saturation voltage and fast switching speeds, ensuring efficient performance in different circuit configurations.
Pinout
- 1 (E): Emitter
- 2 (B): Base
- 3 (C): Collector
(Tip: For detailed pinout information, please refer to the corresponding datasheet.)
Key Features
- High Voltage Capability: Capable of handling high voltage levels for power applications.
- High Current Gain: Offers high current gain for amplification purposes.
- Low Saturation Voltage: Features low saturation voltage for efficient switching.
- Fast Switching Speed: Enables fast switching transitions in electronic circuits.
- Robust Construction: Built with robust materials for reliability and durability.
Application
- Power Amplification: Ideal for power amplifier circuits requiring high voltage and current handling.
- Switching Circuits: Used in switching applications due to its fast switching speeds.
- Pulse Circuits: Suitable for pulse generation and modulation in electronic systems.
Where to Use
The FJT44TF is commonly used in power amplification and switching circuits in various electronic devices. It is recommended for applications demanding high voltage capabilities and efficient switching performance.
How to Use
Integrate the FJT44TF into your circuit by connecting the Emitter (E), Base (B), and Collector (C) pins according to the desired configuration. Ensure proper biasing and heat dissipation for optimal performance. Refer to the datasheet for detailed usage guidelines.
Application Circuit
The application circuit diagram for the FJT44TF showcases how to incorporate the transistor into your electronic design. It illustrates the connections and component placements necessary for proper operation and performance.
(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)
Equivalents
- 2N3055: A comparable NPN transistor with similar power characteristics.
- BD139: An alternative NPN transistor suitable for power applications.
Complementary
The FJT44TF can be complemented by the FJT45TF, offering a higher voltage rating and enhanced current handling capacity for more demanding applications.
When selecting complementary transistors, ensure compatibility with your circuit requirements and performance expectations.
Frequently Asked Questions
Q: What is the maximum voltage rating of the FJT44TF?
A: The FJT44TF has a maximum voltage rating of [insert value]V. Refer to the datasheet for detailed specifications and operating limits.
Q: Can the FJT44TF be used in audio amplifier circuits?
A: Yes, the FJT44TF can be used in audio amplifier circuits, providing reliable performance in low to medium power applications.

Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Status | Active | Compliance | PbAHP |
Package Type | SOT-223-4 / TO-261-4 | Case Outline | 318H-01 |
MSL Type | 1 | MSL Temp (°C) | 260 |
Container Type | REEL | Container Qty. | 4000 |
ON Target | N | Polarity | NPN |
Type | General Purpose | VCE(sat) Max (V) | 0.75 |
IC Cont. (A) | 0.3 | VCEO Min (V) | 400 |
VCBO (V) | 500 | VEBO (V) | 6 |
VBE(sat) (V) | 0.75 | hFE Min | 50 |
hFE Max | 200 | PTM Max (W) | 2 |
Pricing ($/Unit) | $0.1553Sample |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
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Price details
Prices listed do not include VAT.
Quantity | Unit Price |
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