Part Details for 2N2904 by Microsemi Corporation
Results Overview of 2N2904 by Microsemi Corporation
- Distributor Offerings: (0 listings)
- Number of FFF Equivalents: (6 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
Consumer Electronics
Audio and Video Systems
2N2904 Information
2N2904 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 2N2904
2N2904 CAD Models
2N2904 Part Data Attributes
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2N2904
Microsemi Corporation
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Datasheet
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2N2904
Microsemi Corporation
Small Signal Bipolar Transistor, 0.6A I(C), 40V V(BR)CEO, 1-Element, PNP, Silicon, TO-205AD, TO-39, 3 PIN
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| Pbfree Code | No | |
| Rohs Code | No | |
| Part Life Cycle Code | Transferred | |
| Ihs Manufacturer | MICROSEMI CORP | |
| Package Description | TO-39, 3 PIN | |
| Reach Compliance Code | unknown | |
| ECCN Code | EAR99 | |
| Samacsys Manufacturer | Microsemi Corporation | |
| Collector Current-Max (IC) | 0.6 A | |
| Collector-Emitter Voltage-Max | 40 V | |
| Configuration | SINGLE | |
| DC Current Gain-Min (hFE) | 20 | |
| JEDEC-95 Code | TO-205AD | |
| 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 | PNP | |
| Power Dissipation-Max (Abs) | 3 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) | 200 MHz | |
| Turn-off Time-Max (toff) | 300 ns | |
| Turn-on Time-Max (ton) | 45 ns |
Alternate Parts for 2N2904
This table gives cross-reference parts and alternative options found for 2N2904. 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 2N2904, 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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| 2N2904 | Semicoa Semiconductors | Check for Price | Small Signal Bipolar Transistor, 0.6A I(C), 40V V(BR)CEO, 1-Element, PNP, Silicon, TO-39, HERMETIC SEALED, METAL CAN-3 | 2N2904 vs 2N2904 |
| JANTXV2N2904 | New England Semiconductor | Check for Price | Small Signal Bipolar Transistor, 0.6A I(C), 40V V(BR)CEO, 1-Element, PNP, Silicon, TO-205AD, TO-39, 3 PIN | 2N2904 vs JANTXV2N2904 |
| 2N2904G4 | TT Electronics Power and Hybrid / Semelab Limited | Check for Price | 600mA, 40V, PNP, Si, SMALL SIGNAL TRANSISTOR, TO-205AD, HERMETIC SEALED, METAL, TO-39, 3 PIN | 2N2904 vs 2N2904G4 |
| 2N2904 | New England Semiconductor | Check for Price | Small Signal Bipolar Transistor, 0.6A I(C), 40V V(BR)CEO, 1-Element, PNP, Silicon, TO-39, | 2N2904 vs 2N2904 |
| JAN2N2904 | New England Semiconductor | Check for Price | Small Signal Bipolar Transistor, 0.6A I(C), 40V V(BR)CEO, 1-Element, PNP, Silicon, TO-205AD, TO-39, 3 PIN | 2N2904 vs JAN2N2904 |
| 2N2904 | Hi-Tron Semiconductor Corp | Check for Price | Small Signal Bipolar Transistor, 0.6A I(C), 40V V(BR)CEO, 1-Element, PNP, Silicon, TO-39, TO-39, 3 PIN | 2N2904 vs 2N2904 |
2N2904 Frequently Asked Questions (FAQ)
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The recommended operating temperature range for the 2N2904 is -55°C to 150°C, although the datasheet only specifies a range of -40°C to 125°C for certain parameters.
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To ensure the 2N2904 is properly biased for linear operation, make sure to provide a stable voltage supply, use a suitable biasing resistor network, and ensure the base-emitter voltage is within the recommended range (typically around 0.65V to 0.75V).
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The maximum safe operating area (SOA) for the 2N2904 is not explicitly stated in the datasheet, but it can be estimated based on the maximum ratings and thermal characteristics. As a general rule, it's recommended to derate the device by 20-30% to ensure reliable operation.
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Yes, the 2N2904 can be used as a switch, but it's not ideal for high-frequency switching applications due to its relatively slow switching times (around 100-200 ns). Additionally, ensure the device is properly biased and the collector-emitter voltage is within the recommended range to avoid overheating.
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To handle ESD protection when working with the 2N2904, follow standard ESD handling procedures, such as using an ESD wrist strap, mat, or workstation, and ensure the device is properly packaged and stored in an ESD-safe environment.