Part Details for 2N2221A by Microsemi Corporation
Results Overview of 2N2221A by Microsemi Corporation
- Distributor Offerings: (0 listings)
- Number of FFF Equivalents: (9 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (10 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
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2N2221A Information
2N2221A by Microsemi Corporation 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.
Part Details for 2N2221A
2N2221A CAD Models
2N2221A Part Data Attributes
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2N2221A
Microsemi Corporation
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Datasheet
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2N2221A
Microsemi Corporation
Small Signal Bipolar Transistor, 0.8A I(C), 50V V(BR)CEO, 1-Element, NPN, Silicon, TO-206AA, TO-18, 3 PIN
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| Pbfree Code | No | |
| Rohs Code | No | |
| Part Life Cycle Code | Transferred | |
| Ihs Manufacturer | MICROSEMI CORP | |
| Part Package Code | BCY | |
| Package Description | TO-18, 3 PIN | |
| Pin Count | 3 | |
| Reach Compliance Code | not_compliant | |
| ECCN Code | EAR99 | |
| Samacsys Manufacturer | Microsemi Corporation | |
| Case Connection | COLLECTOR | |
| Collector Current-Max (IC) | 0.8 A | |
| Collector-Emitter Voltage-Max | 50 V | |
| Configuration | SINGLE | |
| DC Current Gain-Min (hFE) | 20 | |
| JEDEC-95 Code | TO-206AA | |
| JESD-30 Code | O-MBCY-W3 | |
| JESD-609 Code | e0 | |
| Number of Elements | 1 | |
| Number of Terminals | 3 | |
| Operating Temperature-Max | 200 °C | |
| Package Body Material | METAL | |
| Package Shape | ROUND | |
| Package Style | CYLINDRICAL | |
| Polarity/Channel Type | NPN | |
| Power Dissipation-Max (Abs) | 0.5 W | |
| Qualification Status | Not Qualified | |
| Surface Mount | NO | |
| Terminal Finish | TIN LEAD | |
| Terminal Form | WIRE | |
| Terminal Position | BOTTOM | |
| Transistor Application | SWITCHING | |
| Transistor Element Material | SILICON | |
| Transition Frequency-Nom (fT) | 250 MHz | |
| Turn-off Time-Max (toff) | 285 ns | |
| Turn-on Time-Max (ton) | 35 ns |
Alternate Parts for 2N2221A
This table gives cross-reference parts and alternative options found for 2N2221A. 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 2N2221A, 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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| JANTX2N2221A | Texas Instruments | Check for Price | 800mA, 50V, NPN, Si, SMALL SIGNAL TRANSISTOR, SIMILAR TO TO-18, 3 PIN | 2N2221A vs JANTX2N2221A |
| JANTX2N2221AL | Microsemi Corporation | Check for Price | Small Signal Bipolar Transistor, 0.8A I(C), 50V V(BR)CEO, 1-Element, NPN, Silicon, TO-206AA, SIMILAR TO TO-18, 3 PIN | 2N2221A vs JANTX2N2221AL |
| JANTXV2N2221A | Microchip Technology Inc | Check for Price | Small Signal Bipolar Transistor, 0.8A I(C), 50V V(BR)CEO, 1-Element, NPN, Silicon, TO-206AA | 2N2221A vs JANTXV2N2221A |
| JANTX2N2221AL | Semicoa Semiconductors | Check for Price | Small Signal Bipolar Transistor, 0.8A I(C), 50V V(BR)CEO, 1-Element, NPN, Silicon, SIMILAR TO TO-18, 3 PIN | 2N2221A vs JANTX2N2221AL |
| JANTX2N2221A | Microchip Technology Inc | Check for Price | Small Signal Bipolar Transistor, 0.8A I(C), 50V V(BR)CEO, 1-Element, NPN, Silicon, TO-206AA | 2N2221A vs JANTX2N2221A |
| JAN2N2221A | CRYSTALONICS Inc | Check for Price | Small Signal Bipolar Transistor, 0.8A I(C), 50V V(BR)CEO, 1-Element, NPN, Silicon, TO-206AA, CASE 22-03, TO-18, 3 PIN | 2N2221A vs JAN2N2221A |
| JANTX2N2221A | Raytheon Semiconductor | Check for Price | Small Signal Bipolar Transistor, 0.8A I(C), 50V V(BR)CEO, 1-Element, NPN, Silicon, SIMILAR TO TO-18, 3 PIN | 2N2221A vs JANTX2N2221A |
| 2N2221A | Micro Electronics Ltd | 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 | 2N2221A vs 2N2221A |
| 2N2221A | General Transistor Corp | Check for Price | Small Signal Bipolar Transistor, 0.8A I(C), NPN | 2N2221A vs 2N2221A |
2N2221A Frequently Asked Questions (FAQ)
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The maximum operating temperature range for the 2N2221A is -55°C to 150°C.
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Yes, the 2N2221A is suitable for high-frequency applications up to 100 MHz due to its low transition frequency (ft) of 300 MHz.
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The maximum collector current rating for the 2N2221A is 500 mA.
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Yes, the 2N2221A can be used in switching applications due to its fast switching times (rise time: 10 ns, fall time: 20 ns) and low saturation voltage (Vce(sat) = 0.3 V).
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Yes, the 2N2221A is a radiation-hardened transistor, making it suitable for use in aerospace and defense applications.