2N2222A footprint, schematic symbol and 3D model by onsemi

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PCB Footprints

2N2222A - onsemi PCB footprint - Other - Other - CASE 022–03 (TO–206AA) ISSUE N

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Part Number 2N2222A
Manufacturer onsemi
Pin Count 3
Part Category Transistor BJT NPN
Package Category Other
Footprint Name Other - CASE 022–03 (TO–206AA) ISSUE N
Released Date May 2, 2022
Last Modified Date Aug 25, 2025 8:50 PM UTC
Pinout / Pin List Click Here (Member Only)

2N2222A Details

Manufacturer Part Number:
2N2222A
Part Life Cycle Code:
Obsolete
Package Description:
22-03, TO-18, 3 PIN
ECCN Code:
EAR99
Manufacturer:
onsemi
YTEOL:
0
Collector Current-Max (IC):
0.8 A
Collector-Emitter Voltage-Max:
40 V
Configuration:
SINGLE
DC Current Gain-Min (hFE):
40
JEDEC-95 Code:
TO-206AA
JESD-30 Code:
O-MBCY-W3
Number of Elements:
1
Number of Terminals:
3
Operating Temperature-Max:
200 °C
Operating Temperature-Min:
-65 °C
Package Body Material:
METAL
Package Shape:
ROUND
Package Style:
CYLINDRICAL
Polarity/Channel Type:
NPN
Surface Mount:
NO
Terminal Form:
WIRE
Terminal Position:
BOTTOM
Transistor Element Material:
SILICON
Transition Frequency-Nom (fT):
300 MHz
Turn-off Time-Max (toff):
285 ns
Turn-on Time-Max (ton):
35 ns

2N2222A Frequently Asked Questions (FAQs)

The maximum operating temperature range for the 2N2222A is -55°C to 150°C.
While the 2N2222A can be used as a switch, it's not ideal for high-frequency applications due to its relatively low transition frequency (ft) of 300 MHz. For high-frequency applications, consider using a transistor with a higher ft.
To ensure proper biasing for linear amplifier applications, use a voltage divider network to set the base voltage, and ensure the collector-emitter voltage is at least 2-3 times the voltage of the input signal. Additionally, use a current-limiting resistor in the collector circuit to prevent thermal runaway.
The maximum collector current rating for the 2N2222A is 500 mA. Exceeding this rating can lead to device failure.
Yes, the 2N2222A can be used in a Darlington pair configuration to increase the current gain. However, ensure proper biasing and heat sinking to prevent thermal issues.

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