2N3903 The GE 2N3903 is an NPN silicon transistor designed for general-purpose applications. It features a TO-92 package and a maximum collector current of 200mA.
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2N3903

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Mfr Name: GE
GE
The GE 2N3903 is an NPN silicon transistor designed for general-purpose applications. It features a TO-92 package and a maximum collector current of 200mA.
Total Stock: 4,300 pcs
$ Price Range: $0.77

2N3903 Available from 1 distributor

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2N3903 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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2N3903 Description

Short technical summary and product information.

The 2N3903 from GE is a versatile NPN silicon bipolar junction transistor (BJT) suitable for a wide range of general-purpose applications. It is housed in a standard TO-92 package, making it easy to integrate into various circuit designs.

 

Key electrical characteristics include a collector-emitter voltage (VCEO) of 40V and a continuous collector current (IC) of up to 200mA. The transistor offers a DC current gain (hFE) ranging from 20 to 100 depending on the operating conditions. Its thermal properties include a junction-to-ambient thermal resistance of 200°C/W and a junction-to-case thermal resistance of 83.3°C/W.

 

With an operating temperature range from -55°C to +150°C, the 2N3903 is robust for various environmental conditions. The device is specified with a small-signal bandwidth product (fT) of 250 MHz, indicating its suitability for moderate frequency applications. Other parameters include output capacitance (Cobo) of 4pF and input capacitance (Cibo) of 8pF.

 

This transistor is a preferred device, recommended for future use and offering good overall value. Its reliable performance and common packaging make it a staple component in many electronic circuits.

2N3903 Quick Information

Product Type: NPN Silicon Transistor
Canonical Name: 2N3903 NPN Silicon General Purpose Transistor
Subcategory: Single

2N3903 Compliance

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

2N3903 Estimated Pricing

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1+ $0.77 $0.77

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

2N3903 Features

  • NPN silicon general purpose transistor.
  • Maximum collector-emitter voltage is 40V.
  • Continuous collector current is 200mA.
  • TO-92 package for easy integration.
  • Operates from -55°C to +150°C.

2N3903 Applications

  • Suitable for general purpose amplification.
  • Used in switching circuit applications.
  • Ideal for moderate frequency circuits.
  • Commonly used in electronic assemblies.

2N3903 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the maximum collector-emitter voltage for the 2N3903?

The maximum collector-emitter voltage (VCEO) for the 2N3903 is 40 Vdc.

What is the continuous collector current rating of the 2N3903 transistor?

The 2N3903 can handle a continuous collector current (IC) of up to 200 mAdc.

What is the operating temperature range for the 2N3903?

The operating and storage junction temperature range for the 2N3903 is -55°C to +150°C.

What package type is the 2N3903 available in?

The 2N3903 is available in the TO-92 package.

What is the DC current gain (hFE) of the 2N3903 at 10mA collector current?

The minimum DC current gain (hFE) for the 2N3903 at IC = 10 mAdc and VCE = 1.0 Vdc is 50.

What is the current-gain bandwidth product (fT) for the 2N3903?

The current-gain bandwidth product (fT) for the 2N3903 is 250 MHz at IC = 10 mAdc and VCE = 20 Vdc.

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