Part Details for 2N4949 by Texas Instruments
Results Overview of 2N4949 by Texas Instruments
- Distributor Offerings: (2 listings)
- Number of FFF Equivalents: (0 replacements)
- Tariff Estimator: (Not Available)
- Number of Functional Equivalents: (0 options)
- CAD Models: (Request Part)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
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2N4949 Information
2N4949 by Texas Instruments is an Unijunction Transistor.
Unijunction 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 2N4949
| Part # | Distributor | Description | Stock | Price | Buy | |
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Quest Components | UNIJUNCTION TRANSISTOR,1UA I(P),TO-18VAR | 8 |
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$7.5000 / $15.0000 | Buy Now |
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Vyrian | Unijunction Transistor, 1uA I(P), TO-18 | 8874 |
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RFQ |
2N4949 Part Data Attributes
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2N4949
Texas Instruments
Buy Now
Datasheet
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2N4949
Texas Instruments
Unijunction Transistor, 1uA I(P), TO-18
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| Part Life Cycle Code | Obsolete | |
| ECCN Code | EAR99 | |
| Case Connection | Base2 | |
| Configuration | Single | |
| Emitter Current-Max | 50 Ma | |
| Inter-base Voltage-Max | 25 V | |
| Intrinsic Stand-off Ratio-Max | 0.86 | |
| Intrinsic Stand-off Ratio-Min | 0.74 | |
| JEDEC-95 Code | TO-18 | |
| 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 | |
| Peak Point Current-Max | 1 Ma | |
| Power Dissipation Ambient-Max | 0.36 W | |
| Power Dissipation-Max (Abs) | 0.36 W | |
| Qualification Status | Not Qualified | |
| Static Inter-base Res-Max | 12 KΩ | |
| Static Inter-base Res-Min | 4 KΩ | |
| Surface Mount | No | |
| Terminal Form | Wire | |
| Terminal Position | Bottom | |
| Transistor Application | Switching | |
| Transistor Element Material | Silicon | |
| Valley Point Current-Min | 2 Ma |