Part Details for 2N4891 by Texas Instruments
Results Overview of 2N4891 by Texas Instruments
- Distributor Offerings: (1 listing)
- 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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2N4891 Information
2N4891 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 2N4891
| Part # | Distributor | Description | Stock | Price | Buy | |
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Vyrian | Unijunction Transistor, 5uA I(P) | 4284 |
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RFQ |
2N4891 Part Data Attributes
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2N4891
Texas Instruments
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Datasheet
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2N4891
Texas Instruments
Unijunction Transistor, 5uA I(P), TO-18
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| Part Life Cycle Code | Obsolete | |
| ECCN Code | EAR99 | |
| Configuration | Single | |
| Emitter Current-Max | 50 Ma | |
| Inter-base Voltage-Max | 25 V | |
| Intrinsic Stand-off Ratio-Max | 0.82 | |
| Intrinsic Stand-off Ratio-Min | 0.55 | |
| JEDEC-95 Code | TO-18 | |
| JESD-30 Code | O-PBCY-W3 | |
| Number of Elements | 1 | |
| Number of Terminals | 3 | |
| Operating Temperature-Max | 150 °C | |
| Operating Temperature-Min | -55 °C | |
| Package Body Material | Plastic/Epoxy | |
| Package Shape | Round | |
| Package Style | Cylindrical | |
| Peak Point Current-Max | 5 Ma | |
| Peak Reflow Temperature (Cel) | Not Specified | |
| Power Dissipation-Max (Abs) | 0.3 W | |
| Qualification Status | Not Qualified | |
| Static Inter-base Res-Max | 9.1 KΩ | |
| Static Inter-base Res-Min | 4 KΩ | |
| Surface Mount | No | |
| Terminal Form | Wire | |
| Terminal Position | Bottom | |
| Time@Peak Reflow Temperature-Max (s) | Not Specified | |
| Transistor Application | Switching | |
| Transistor Element Material | Silicon | |
| Valley Point Current-Min | 2 Ma |