2N2221A The 2N2221A is a silicon NPN epitaxial planar transistor from NXP Semiconductors, designed for general purpose switching applications. It features a TO-18 package.
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2N2221A

Available from 1 distributors
Mfr Name: NXP Semiconductors
NXP Semiconductors
The 2N2221A is a silicon NPN epitaxial planar transistor from NXP Semiconductors, designed for general purpose switching applications. It features a TO-18 package.
✓ Total Stock: 19 pcs
$ Price Range: $1.93

2N2221A Available from 1 distributor

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2N2221A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Manufacturer Name
Tape & Reel

2N2221A Description

Short technical summary and product information.

The 2N2221A, manufactured by NXP Semiconductors, is a silicon NPN epitaxial planar transistor. It is designed for small signal and general-purpose switching applications.

 

Key electrical characteristics include a Collector-Emitter Voltage (VCEO) of 40V and a Continuous Collector Current (IC) of 800mA. The transistor operates within a junction temperature range of -65 to +200°C.

 

This transistor comes in a TO-18 case and is suitable for through-hole mounting. Its design makes it a versatile component for various electronic circuits requiring reliable switching performance.

2N2221A Quick Information

Product Type: NPN Transistor
Canonical Name: 2N2221A NPN Transistor
Subcategory: NPN

2N2221A Compliance

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

2N2221A Estimated Pricing

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1+ $1.93 $1.93

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

2N2221A Features

  • Designed for general purpose switching applications.
  • Silicon NPN epitaxial planar transistor.
  • Maximum Collector-Emitter Voltage is 40V.
  • Maximum Continuous Collector Current is 800mA.
  • Packaged in a TO-18 case.

2N2221A Applications

  • Used in switching power supplies
  • Suitable for amplification circuits
  • Ideal for general purpose transistor applications
  • Applicable in RF and high-frequency circuits

2N2221A FAQs

6 frequently asked questions generated from this part’s specifications.
What is the maximum Collector-Emitter Voltage (VCEO) for the 2N2221A transistor?

The maximum Collector-Emitter Voltage (VCEO) for the 2N2221A transistor is 40V.

What is the maximum Continuous Collector Current (IC) for the 2N2221A transistor?

The maximum Continuous Collector Current (IC) for the 2N2221A transistor is 800mA.

What is the operating temperature range for the 2N2221A transistor?

The operating and storage junction temperature range for the 2N2221A transistor is -65 to +200°C.

What package type is the 2N2221A transistor supplied in?

The 2N2221A transistor is supplied in a TO-18 case.

What is the DC Current Gain (hFE) of the 2N2221A at VCE=10V and IC=150mA?

The DC Current Gain (hFE) of the 2N2221A at VCE=10V and IC=150mA ranges from 40 to 120.

What is the Transition Frequency (fT) of the 2N2221A at VCE=20V and IC=20mA?

The Transition Frequency (fT) of the 2N2221A at VCE=20V and IC=20mA is a minimum of 250MHz.

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