2N3866 The ST 2N3866 is an NPN Silicon High Frequency Transistor designed for amplifier and oscillator applications. It features a TO-39 package.
Mfr Part #:

2N3866

Available from 2 distributors
Mfr Name: ST
ST
The ST 2N3866 is an NPN Silicon High Frequency Transistor designed for amplifier and oscillator applications. It features a TO-39 package.
Total Stock: 29,510 pcs
$ Price Range: $0.99

2N3866 Available from 2 distributors

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29,500 pcs
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10 pcs
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2N3866 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Efficiency
Mounting Type
Power Dissipation
Thermal Resistance

2N3866 Description

Short technical summary and product information.

The ST 2N3866 is an NPN silicon transistor designed for high-frequency amplifier and oscillator applications. It is housed in a hermetically sealed TO-39 package.

 

Key electrical characteristics include a Collector-Base Voltage (V CBO) of 55V and a Collector-Emitter Voltage (V CEO) of 30V. The continuous collector current (I C) is rated at 0.4A, and the continuous base current (I B) is 2.0A. The device offers a minimum transition frequency (fT) of 500 MHz at 15V and 50mA for the 2N3866 variant.

 

Maximum power dissipation is 5.0W at 25°C (TC). The operating and storage junction temperature range is -65°C to +200°C. Thermal resistance (ΘJC) is 35°C/W.

 

This transistor is suitable for various high-frequency applications where reliable performance is critical.

2N3866 Quick Information

Product Type: NPN Silicon High Frequency Transistor
Canonical Name: 2N3866 NPN Silicon High Frequency Transistor
Subcategory: NPN

2N3866 Compliance

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

2N3866 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

2N3866 Features

  • NPN Silicon High Frequency Transistor
  • Collector-Emitter Voltage: 30V
  • Continuous Collector Current: 0.4A
  • Transition Frequency: 500 MHz (2N3866)
  • TO-39 Package

2N3866 Applications

  • Used in RF amplification circuits
  • Suitable for high-voltage switching applications
  • Ideal for amplification in power circuits
  • Designed for through-hole mounting in discrete circuits

2N3866 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the maximum Collector-Base Voltage (V CBO) for the 2N3866?

The maximum Collector-Base Voltage (V CBO) for the 2N3866 is 55V.

What is the maximum Collector-Emitter Voltage (V CEO) for the 2N3866?

The maximum Collector-Emitter Voltage (V CEO) for the 2N3866 is 30V.

What is the continuous collector current rating for the 2N3866?

The continuous collector current (I C) for the 2N3866 is 0.4A.

What is the transition frequency (fT) of the 2N3866?

The transition frequency (fT) for the 2N3866 is a minimum of 500 MHz at 15V and 50mA.

What type of package is the 2N3866 supplied in?

The 2N3866 is supplied in a TO-39 case.

What is the operating temperature range for the 2N3866?

The operating and storage junction temperature range for the 2N3866 is -65°C to +200°C.

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