2N3866 The 2N3866 is an NPN silicon transistor in a TO-39 metal can package. It features a maximum collector-emitter voltage of 30V, collector current of 100µA, and power dissipation of 5W.
Mfr Part #:

2N3866

Available from 1 distributors
Mfr Name: Solid State Devices Inc (SSDI)
Solid State Devices Inc (SSDI)
The 2N3866 is an NPN silicon transistor in a TO-39 metal can package. It features a maximum collector-emitter voltage of 30V, collector current of 100µA, and power dissipation of 5W.
Total Stock: 160 pcs

2N3866 Available from 1 distributor

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2N3866 Specifications Quick View

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

2N3866 Description

Short technical summary and product information.

The 2N3866 is an NPN silicon bipolar junction transistor designed for general-purpose switching and amplification applications. It is housed in a TO-39 metal can package (also known as TO-205AD) and features through-hole mounting for reliable PCB integration.

 

Key electrical specifications include a maximum collector-emitter voltage (Vce) of 30V, a maximum collector current (Ic) of 100µA, and a minimum DC current gain (hFE) of 10 at 50mA collector current and 5V Vce. The collector-emitter saturation voltage is a maximum of 1V at 20mA base current and 100mA collector current.

 

The device can dissipate up to 5W of power and operates over a junction temperature range of -65°C to 200°C. The TO-39 metal can package provides robust thermal performance and mechanical durability, making it suitable for industrial and military-grade environments.

2N3866 Quick Information

Product Type: NPN Bipolar Transistor
Canonical Name: 2N3866 NPN Bipolar Transistor
Subcategory: Single

2N3866 Compliance

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

2N3866 Features

  • NPN silicon transistor in TO-39 package.
  • Maximum collector-emitter voltage of 30V.
  • Maximum collector current of 100µA.
  • Power dissipation up to 5W.
  • Operating temperature range -65°C to 200°C.

2N3866 Applications

  • General purpose switching and amplification.
  • Low-current signal processing circuits.
  • High-temperature industrial environments.
  • Through-hole PCB designs requiring TO-39.

2N3866 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum collector-emitter voltage (Vce) of the 2N3866?

The maximum collector-emitter voltage is 30V.

What package does the 2N3866 come in?

The 2N3866 is available in a TO-205AD, TO-39-3 Metal Can package, with the supplier device package being TO-39.

What is the operating temperature range of the 2N3866?

The operating junction temperature range is -65°C to 200°C.

Is the 2N3866 RoHS compliant?

The part is listed as RoHS3 Compliant, but this status is unverified and should be confirmed with the manufacturer.

What is the DC current gain (hFE) of the 2N3866?

The minimum DC current gain (hFE) is 10 at Ic=50mA and Vce=5V.

What is the collector-emitter saturation voltage of the 2N3866?

The maximum collector-emitter saturation voltage is 1V at Ib=20mA and Ic=100mA.

What is the maximum power dissipation of the 2N3866?

The maximum power dissipation is 5W.

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