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Part Details for 2N2222A by onsemi
Results Overview of 2N2222A by onsemi
- Distributor Offerings: (1 listing)
- Number of FFF Equivalents: (7 replacements)
- Tariff Estimator: (Not Available)
- Number of Functional Equivalents: (10 options)
- CAD Models: (Available)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
2N2222A Information
2N2222A by onsemi is a Small Signal Bipolar Transistor.
Small Signal Bipolar 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 2N2222A
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
2N2222A
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Avnet Americas | Trans GP BJT NPN 30V 800mA 3-Pin TO-18 Box - Bulk (Alt: 2N2222A) COO: United States of America (the) RoHS: Not Compliant Min Qty: 1 Package Multiple: 1 Container: Bulk | 0 |
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Part Details for 2N2222A
2N2222A CAD Models
2N2222A Part Data Attributes
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2N2222A
onsemi
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Datasheet
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2N2222A
onsemi
40V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-18
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| Part Life Cycle Code | Obsolete | |
| Package Description | 22-03, To-18, 3 Pin | |
| Reach Compliance Code | Unknown | |
| ECCN Code | EAR99 | |
| 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 |
Alternate Parts for 2N2222A
This table gives cross-reference parts and alternative options found for 2N2222A. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of 2N2222A, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
| Part Number | Manufacturer | Composite Price | Description | Compare |
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| 2N2222A | Semiconductor Technology Inc | Check for Price | Small Signal Bipolar Transistor, 0.8A I(C), NPN, | 2N2222A vs 2N2222A |
| 2N2222A | Micro Commercial Components | Check for Price | Small Signal Bipolar Transistor, 0.8A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, TO-18, TO-18, 3 PIN | 2N2222A vs 2N2222A |
| 2N2222A | Loras Industries Inc | Check for Price | Small Signal Bipolar Transistor, 0.8A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, TO-18, | 2N2222A vs 2N2222A |
| 2N2222A | TT Electronics Power and Hybrid / Semelab Limited | Check for Price | 800mA, 50V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-206AA, HERMETIC SEALED, METAL, TO-18, 3 PIN | 2N2222A vs 2N2222A |
| 2N2222A | Hi-Tron Semiconductor Corp | Check for Price | Small Signal Bipolar Transistor, 0.8A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, TO-18, TO-18, 3 PIN | 2N2222A vs 2N2222A |
| 2N2222A | Electronic Transistors Corp | Check for Price | Small Signal Bipolar Transistor, 0.8A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, TO-18, TO-18, 3 PIN | 2N2222A vs 2N2222A |
| 2N2222A | New England Semiconductor | Check for Price | Small Signal Bipolar Transistor, 0.8A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, TO-18, TO-18, 3 PIN | 2N2222A vs 2N2222A |
2N2222A Frequently Asked Questions (FAQ)
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The maximum operating temperature range for the 2N2222A is -55°C to 150°C.
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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.
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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.
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The maximum collector current rating for the 2N2222A is 500 mA. Exceeding this rating can lead to device failure.
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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.