Part Details for 2N2894 by STMicroelectronics
Results Overview of 2N2894 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.
Applications
Industrial Automation
2N2894 Information
2N2894 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 2N2894
| Part # | Distributor | Description | Stock | Price | Buy | |
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Quest Components | Part Number Only | 112 |
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$1.2386 / $2.2520 | Buy Now |
Part Details for 2N2894
2N2894 CAD Models
2N2894 Part Data Attributes
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2N2894
STMicroelectronics
Buy Now
Datasheet
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Compare Parts:
2N2894
STMicroelectronics
200mA, 12V, PNP, Si, SMALL SIGNAL TRANSISTOR, TO-18
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| Rohs Code | No | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | STMICROELECTRONICS | |
| Reach Compliance Code | not_compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8541.29.00.75 | |
| Collector Current-Max (IC) | 0.2 A | |
| Collector-Base Capacitance-Max | 6 pF | |
| Collector-Emitter Voltage-Max | 12 V | |
| Configuration | SINGLE | |
| DC Current Gain-Min (hFE) | 25 | |
| JEDEC-95 Code | TO-18 | |
| JESD-30 Code | O-MBCY-W3 | |
| JESD-609 Code | e0 | |
| 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 | PNP | |
| Power Dissipation Ambient-Max | 1.2 W | |
| Power Dissipation-Max (Abs) | 1.2 W | |
| Qualification Status | Not Qualified | |
| Reference Standard | CECC | |
| Surface Mount | NO | |
| Terminal Finish | TIN LEAD | |
| Terminal Form | WIRE | |
| Terminal Position | BOTTOM | |
| Transistor Application | SWITCHING | |
| Transistor Element Material | SILICON | |
| Transition Frequency-Nom (fT) | 400 MHz | |
| Turn-off Time-Max (toff) | 90 ns | |
| Turn-on Time-Max (ton) | 60 ns | |
| VCEsat-Max | 0.5 V |
Alternate Parts for 2N2894
This table gives cross-reference parts and alternative options found for 2N2894. 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 2N2894, 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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| 2N2894 | Thales Group | Check for Price | Small Signal Bipolar Transistor, 0.2A I(C), 12V V(BR)CEO, 1-Element, PNP, Silicon, TO-18, TO-18, 3 PIN | 2N2894 vs 2N2894 |
| 2N2894 | Diodes Incorporated | Check for Price | 200mA, 12V, PNP, Si, SMALL SIGNAL TRANSISTOR, TO-18 | 2N2894 vs 2N2894 |
| 2N2894 | TDK Micronas GmbH | Check for Price | Small Signal Bipolar Transistor, 0.2A I(C), 12V V(BR)CEO, 1-Element, PNP, Silicon, TO-18, METAL PACKAGE-3 | 2N2894 vs 2N2894 |
| 2N2894-JQR-B | TT Electronics Resistors | Check for Price | Small Signal Bipolar Transistor, 0.2A I(C), 12V V(BR)CEO, 1-Element, PNP, Silicon, TO-18 | 2N2894 vs 2N2894-JQR-B |
| 2N2894 | General Diode Corp | Check for Price | Small Signal Bipolar Transistor, 0.2A I(C), 12V V(BR)CEO, 1-Element, PNP, Silicon, TO-18, TO-18, 3 PIN | 2N2894 vs 2N2894 |
| 2N2894 | Central Semiconductor Corp | Check for Price | Small Signal Bipolar Transistor, 0.2A I(C), 12V V(BR)CEO, 1-Element, PNP, Silicon, TO-18 | 2N2894 vs 2N2894 |
| 2N2894 | Freescale Semiconductor | Check for Price | TRANSISTOR,BJT,PNP,12V V(BR)CEO,200MA I(C),TO-18 | 2N2894 vs 2N2894 |
| 2N2894-JQR-BG4 | TT Electronics Power and Hybrid / Semelab Limited | Check for Price | 200mA, 12V, PNP, Si, SMALL SIGNAL TRANSISTOR, TO-18 | 2N2894 vs 2N2894-JQR-BG4 |
2N2894 Frequently Asked Questions (FAQ)
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The maximum safe operating area (SOA) for the 2N2894 is not explicitly stated in the datasheet. However, it's recommended to follow the general guidelines for NPN transistors, which is to limit the collector-emitter voltage (Vce) to 40V and the collector current (Ic) to 1A to ensure safe operation.
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The 2N2894 has a thermal resistance (Rth) of 62.5°C/W. To handle thermal management, ensure good heat sinking, use a heat sink with a thermal resistance of less than 10°C/W, and keep the ambient temperature below 50°C. You can also use thermal interface materials to improve heat transfer.
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The recommended storage temperature for the 2N2894 is -40°C to 150°C. Storage outside this range may affect the transistor's performance and reliability.
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Yes, the 2N2894 can be used in switching applications due to its high switching speed (tf = 10ns, tr = 20ns) and low saturation voltage (Vce(sat) = 0.5V). However, ensure that the transistor is properly biased and that the switching frequency is within the recommended range to avoid overheating and reduce electromagnetic interference (EMI).
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To select the correct base resistor value, consider the input impedance, current gain (hFE), and the desired collector current. A general rule of thumb is to choose a base resistor value that limits the base current to 1/10th of the desired collector current. You can use online calculators or consult application notes for more specific guidance.