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2N3439 Transistor: Datasheet, Equivalent, Pinout

Transistors - Bipolar (BJT) - Single TRANS NPN 350V 1A TO-39 The 2N3439 is a silicon epitaxial planar NPN transistor.

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Nov 4, 2021

Olivia Harrison

Transistors - Bipolar (BJT) - Single TRANS NPN 350V 1A TO-39

The 2N3439 is a silicon epitaxial planar NPN transistor. This post will unlock more details about 2N3499. There is a huge range of Semiconductors, Capacitors, Resistors and ICs in stock. Welcome RFQ!

2N3439

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2N3439 Pinout

2N3439 Pinout

2N3439 CAD Model

2N3439 Symbol

 

2N3439 Footprint

2N3439 Description

The 2N3439 is a  silicon epitaxial planar NPN transistor in jedec TO-39 metal case designed for use in consumer and industrial line-operated applications. These devices are particularly suited as drivers in high-voltage low current inverters, switching and series regulators.

2N3439 Feature

• Metal TO-39 can package

• Advanced process technology

• Low error voltage

• Fast switching speed

• Full-voltage operation

• High power and current handling capability

2N3439 Application

  • High-voltage low current inverters

  • Switching and series regulators

2N3439 Equivalent

The equivalent for 2N3439:

  • BUX55

  • BUY59 

  • 2N5095

Specifications

STMicroelectronics 2N3439 technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics 2N3439.

2N3439 Tech Specifications

STMicroelectronics 2N3439 technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics 2N3439.

Product Attribute Attribute Value
MountThrough Hole
Mounting TypeThrough Hole
Package / CaseTO-205AD, TO-39-3 Metal Can
Number of Pins3Pins
Weight4.535924g
Transistor Element MaterialSILICON
Collector-Emitter Breakdown Voltage350V
Collector-Emitter Saturation Voltage500mV
Number of Elements1 Element
hFEMin30
Operating Temperature200°C TJ
PackagingTray
JESD-609 Codee3
Pbfree Codeyes
Part StatusObsolete
Moisture Sensitivity Level (MSL)1 (Unlimited)
Number of Terminations3Terminations
Product Attribute Attribute Value
ECCN CodeEAR99
Terminal FinishMatte Tin (Sn)
Voltage - Rated DC450V
Max Power Dissipation10W
Terminal PositionBOTTOM
Terminal FormWIRE
Current Rating1A
Frequency15MHz
Base Part Number2N34
Pin Count3
Element ConfigurationSingle
Power Dissipation10W
Case ConnectionCOLLECTOR
Power - Max1W
Transistor ApplicationSWITCHING
Gain Bandwidth Product15MHz
Polarity/Channel TypeNPN
Product Attribute Attribute Value
Transistor TypeNPN
Collector Emitter Voltage (VCEO)350V
Max Collector Current1A
DC Current Gain (hFE) (Min) @ Ic, Vce40 @ 20mA 10V
Current - Collector Cutoff (Max)20μA
Vce Saturation (Max) @ Ib, Ic500mV @ 4mA, 50mA
Transition Frequency15MHz
Collector Base Voltage (VCBO)300V
Emitter Base Voltage (VEBO)7V
VCEsat-Max0.5 V
Height6.6mm
Length9.4mm
Width9.4mm
REACH SVHCNo SVHC
Radiation HardeningNo
RoHS StatusROHS3 Compliant
Lead FreeLead Free
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2N3439 Package

2N3439 Package

2N3439 Manufacturer

STMicroelectronics is a global independent semiconductor company and is a leader in developing and delivering semiconductor solutions across the spectrum of microelectronics applications. An unrivalled combination of silicon and system expertise, manufacturing strength, Intellectual Property (IP) portfolio and strategic partners positions the Company at the forefront of System-on-Chip (SoC) technology and its products play a key role in enabling today's convergence trends.

Datasheet PDF

2N3439 Documents

Download datasheets and manufacturer documentation for 2N3439

Frequently Asked Questions

What is the relationship between 2N3439 and 2N3440?
The 2N3439 and 2N3440 are silicon epitaxial planar NPN transistors in jedec TO-39 metal case designed for use in consumer and industrial line-operated applications. These devices are particularly suited as drivers in high-voltage low current inverters, switching and series regulators.
What condition to operate the 2N3439?
Maximum Collector Power Dissipation (Pc): 1 W Maximum Collector-Base Voltage |Vcb|: 450 V Maximum Collector-Emitter Voltage |Vce|: 350 V Maximum Emitter-Base Voltage |Veb|: 7 V Maximum Collector Current |Ic max|: 1 A Max. Operating Junction Temperature (Tj): 200 °C Transition Frequency (ft): 15 MHz Collector Capacitance (Cc): 10 pF Forward Current Transfer Ratio (hFE), MIN: 40
FAQ
What is the relationship between 2N3439 and 2N3440?
The 2N3439 and 2N3440 are silicon epitaxial planar NPN transistors in jedec TO-39 metal case designed for use in consumer and industrial line-operated applications. These devices are particularly suited as drivers in high-voltage low current inverters, switching and series regulators.
What condition to operate the 2N3439?
Maximum Collector Power Dissipation (Pc): 1 W Maximum Collector-Base Voltage |Vcb|: 450 V Maximum Collector-Emitter Voltage |Vce|: 350 V Maximum Emitter-Base Voltage |Veb|: 7 V Maximum Collector Current |Ic max|: 1 A Max. Operating Junction Temperature (Tj): 200 °C Transition Frequency (ft): 15 MHz Collector Capacitance (Cc): 10 pF Forward Current Transfer Ratio (hFE), MIN: 40

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