Datasheets
2N4861 by:

Small Signal Field-Effect Transistor, 30V, 1-Element, N-Channel, Silicon, Junction FET, TO-206AA

Part Details for 2N4861 by Microchip Technology Inc

Results Overview of 2N4861 by Microchip Technology Inc

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Applications Consumer Electronics Audio and Video Systems

2N4861 Information

2N4861 by Microchip Technology Inc is a Power Field-Effect Transistor.
Power Field-Effect Transistors are under the broader part category of Transistors.

A transistor is a small semiconductor device used to amplify, control, or create electrical signals. When selecting a transistor, factors such as voltage, current rating, gain, and power dissipation must be considered, with common types. Read more about Transistors on our Transistors part category page.

Price & Stock for 2N4861

Part # Distributor Description Stock Price Buy
DISTI # 62AJ2356
Newark 30V 360Mw 50Ma Jfet Tht To-18 Rohs Compliant: Yes |Microchip 2N4861 RoHS: Compliant Min Qty: 100 Package Multiple: 1 Date Code: 0 Container: Bulk 0
  • 100 $56.6000
  • 500 $54.4300
$54.4300 / $56.6000 Buy Now
DISTI # 150-2N4861-ND
DigiKey JFET N-CH 30V UB Min Qty: 100 Lead time: 24 Weeks Container: Bulk Temporarily Out of Stock
  • 100 $56.6003
$56.6003 Buy Now
DISTI # 2N4861
Avnet Americas Transistor JFET N-Channel 30V 80mA 3-Pin TO-18 - Bulk (Alt: 2N4861) RoHS: Not Compliant Min Qty: 100 Package Multiple: 1 Lead time: 24 Weeks, 0 Days Container: Bulk 0
  • 100 $54.4250
  • 110 $53.5481
  • 210 $52.6800
  • 500 $51.8087
  • 1,000 $50.9760
$50.9760 / $54.4250 Buy Now
DISTI # 579-2N4861
Mouser Electronics JFETs 30V 360mW 50mA JFET THT 15
  • 1 $60.9600
  • 100 $56.6000
$56.6000 / $60.9600 Buy Now
DISTI # 2N4861
Microchip Technology Inc JFET _ TO-18, Projected EOL: 2049-02-05 COO: United States of America ECCN: EAR99 Lead time: 24 Weeks, 0 Days 256

Alternates Available
  • 1 $60.9600
$60.9600 Buy Now
Onlinecomponents.com   RoHS: Compliant 256 Factory Stock
  • 25 $148.0400
  • 50 $78.3700
  • 75 $55.1500
  • 100 $54.0500
$54.0500 / $148.0400 Buy Now
NAC JFET, TO-18 RoHS: Compliant Min Qty: 5 Package Multiple: 1 0
  • 1 $62.2000
  • 100 $57.2900
  • 500 $54.4200
  • 800 $53.1000
$53.1000 / $62.2000 Buy Now
Master Electronics   RoHS: Compliant 256 Factory Stock
  • 25 $148.0400
  • 50 $78.3700
  • 75 $55.1500
  • 100 $54.0500
$54.0500 / $148.0400 Buy Now

Part Details for 2N4861

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2N4861 Part Data Attributes

2N4861 Microchip Technology Inc
Buy Now Datasheet
Compare Parts:
2N4861 Microchip Technology Inc Small Signal Field-Effect Transistor, 30V, 1-Element, N-Channel, Silicon, Junction FET, TO-206AA
Rohs Code No
Part Life Cycle Code Active
Ihs Manufacturer MICROCHIP TECHNOLOGY INC
Reach Compliance Code compliant
ECCN Code EAR99
Factory Lead Time 24 Weeks
JESD-609 Code e0
Qualification Status Not Qualified
Terminal Finish TIN LEAD

2N4861 Related Parts

2N4861 Frequently Asked Questions (FAQ)

  • The recommended operating voltage range for the 2N4861 is 4.5V to 18V, although it can tolerate up to 20V for short periods.

  • To ensure linear operation, the 2N4861 should be biased with a collector-emitter voltage (Vce) of at least 2V and a base-emitter voltage (Vbe) of around 0.65V to 0.7V.

  • The maximum power dissipation of the 2N4861 is 625mW, and it is recommended to derate the power dissipation based on the ambient temperature.

  • Yes, the 2N4861 can be used as a switch, but it is not recommended due to its relatively low current gain and high saturation voltage. A dedicated switching transistor like the 2N3904 or 2N3906 would be a better choice.

  • To protect the 2N4861 from ESD, it is recommended to handle the device with an anti-static wrist strap or mat, and to use ESD-sensitive handling procedures during assembly and testing.

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