Part Details for SO2222A by STMicroelectronics
Results Overview of SO2222A by STMicroelectronics
- Distributor Offerings: (1 listing)
- Number of FFF Equivalents: (8 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (10 options)
- 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.
SO2222A Information
SO2222A by STMicroelectronics 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 SO2222A
| Part # | Distributor | Description | Stock | Price | Buy | |
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ComSIT USA | Electronic Component RoHS: Not Compliant |
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RFQ |
Part Details for SO2222A
SO2222A CAD Models
SO2222A Part Data Attributes
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SO2222A
STMicroelectronics
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Datasheet
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SO2222A
STMicroelectronics
600mA, 40V, NPN, Si, SMALL SIGNAL TRANSISTOR, MINIATURE, PLASTIC, SOT-23, 3 PIN
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| Rohs Code | Yes | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | STMICROELECTRONICS | |
| Part Package Code | SOT-23 | |
| Package Description | SMALL OUTLINE, R-PDSO-G3 | |
| Pin Count | 3 | |
| Reach Compliance Code | unknown | |
| ECCN Code | EAR99 | |
| Samacsys Manufacturer | STMicroelectronics | |
| Collector Current-Max (IC) | 0.6 A | |
| Collector-Emitter Voltage-Max | 40 V | |
| Configuration | SINGLE | |
| DC Current Gain-Min (hFE) | 40 | |
| JESD-30 Code | R-PDSO-G3 | |
| JESD-609 Code | e3 | |
| Moisture Sensitivity Level | 1 | |
| Number of Elements | 1 | |
| Number of Terminals | 3 | |
| Operating Temperature-Max | 150 °C | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Shape | RECTANGULAR | |
| Package Style | SMALL OUTLINE | |
| Peak Reflow Temperature (Cel) | 260 | |
| Polarity/Channel Type | NPN | |
| Power Dissipation-Max (Abs) | 0.25 W | |
| Qualification Status | Not Qualified | |
| Surface Mount | YES | |
| Terminal Finish | MATTE TIN | |
| Terminal Form | GULL WING | |
| Terminal Position | DUAL | |
| Transistor Application | SWITCHING | |
| Transistor Element Material | SILICON | |
| Transition Frequency-Nom (fT) | 270 MHz | |
| Turn-off Time-Max (toff) | 285 ns | |
| Turn-on Time-Max (ton) | 35 ns |
Alternate Parts for SO2222A
This table gives cross-reference parts and alternative options found for SO2222A. 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 SO2222A, 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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| MMBT2222LT3 | Motorola Semiconductor Products | Check for Price | Small Signal Bipolar Transistor, 0.6A I(C), 30V V(BR)CEO, 1-Element, NPN, Silicon, TO-236AB | SO2222A vs MMBT2222LT3 |
| MMBT2222AT-TP-HF | Micro Commercial Components | Check for Price | Small Signal Bipolar Transistor, 0.6A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, HALOGEN FREE AND ROHS COMPLIANT, PLASTIC PACKAGE-3 | SO2222A vs MMBT2222AT-TP-HF |
| SMMBT2222ALT1 | onsemi | Check for Price | TRANSISTOR 600 mA, 40 V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-236AB, CASE 318-08, TO-236, 3 PIN, BIP General Purpose Small Signal | SO2222A vs SMMBT2222ALT1 |
| MMBT2222AT | Fairchild Semiconductor Corporation | Check for Price | Small Signal Bipolar Transistor, 0.6A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, ULTRA SMALL, PLASTIC PACKAGE-3 | SO2222A vs MMBT2222AT |
| SST4401 | ROHM Semiconductor | Check for Price | Small Signal Bipolar Transistor, 0.6A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, SST, 3 PIN | SO2222A vs SST4401 |
| FMMT2222ATC | Diodes Incorporated | Check for Price | Small Signal Bipolar Transistor, 0.6A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon | SO2222A vs FMMT2222ATC |
| MMBT2222A | Comchip Technology Corporation Ltd | Check for Price | Small Signal Bipolar Transistor, 0.6A I(C), NPN, | SO2222A vs MMBT2222A |
| MMBT2222A-HIGH | Texas Instruments | Check for Price | 40V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-236AA | SO2222A vs MMBT2222A-HIGH |
SO2222A Frequently Asked Questions (FAQ)
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The recommended operating voltage range for the SO2222A is 4.5V to 18V, with a maximum rating of 20V.
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To ensure proper biasing, connect the midpoint of the input voltage divider to the VCC pin, and decouple the VCC pin with a 10uF capacitor to ground. Additionally, ensure the input voltage is within the recommended range.
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The maximum power dissipation of the SO2222A is 1.5W, with a thermal resistance of 125°C/W. Ensure proper heat sinking and thermal management to prevent overheating.
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Yes, the SO2222A can be used in switching regulator applications, but ensure the input voltage is within the recommended range and the device is properly biased. Additionally, consider the maximum power dissipation and thermal management.
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Use a voltage regulator or a zener diode to protect the SO2222A from overvoltage. For overcurrent protection, consider using a current-limiting resistor or a fuse in series with the input voltage.