Part Details for 2N404 by Texas Instruments
Results Overview of 2N404 by Texas Instruments
- Distributor Offerings: (2 listings)
- Number of FFF Equivalents: (1 replacement)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (9 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.
2N404 Information
2N404 by Texas Instruments 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 2N404
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
|
|
Quest Components | TRANSISTOR,BJT,PNP,24V V(BR)CEO,100MA I(C),TO-5 | 40 |
|
$5.0000 / $7.5000 | Buy Now |
|
|
Vyrian | Peripheral ICs | 1278 |
|
RFQ |
Part Details for 2N404
2N404 CAD Models
2N404 Part Data Attributes
|
|
2N404
Texas Instruments
Buy Now
Datasheet
|
Compare Parts:
2N404
Texas Instruments
100mA, 24V, PNP, Ge, SMALL SIGNAL TRANSISTOR, TO-5, TO-5, 3 PIN
|
| Rohs Code | No | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | TEXAS INSTRUMENTS INC | |
| Part Package Code | TO-5 | |
| Package Description | TO-5, 3 PIN | |
| Pin Count | 3 | |
| Reach Compliance Code | not_compliant | |
| ECCN Code | EAR99 | |
| Collector Current-Max (IC) | 0.1 A | |
| Collector-Emitter Voltage-Max | 24 V | |
| Configuration | SINGLE | |
| DC Current Gain-Min (hFE) | 24 | |
| JEDEC-95 Code | TO-5 | |
| JESD-30 Code | O-MBCY-W3 | |
| Number of Elements | 1 | |
| Number of Terminals | 3 | |
| Operating Temperature-Max | 100 °C | |
| Package Body Material | METAL | |
| Package Shape | ROUND | |
| Package Style | CYLINDRICAL | |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED | |
| Polarity/Channel Type | PNP | |
| Power Dissipation-Max (Abs) | 0.15 W | |
| Qualification Status | Not Qualified | |
| Surface Mount | NO | |
| Terminal Form | WIRE | |
| Terminal Position | BOTTOM | |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | |
| Transistor Application | SWITCHING | |
| Transistor Element Material | GERMANIUM | |
| Transition Frequency-Nom (fT) | 4 MHz |
Alternate Parts for 2N404
This table gives cross-reference parts and alternative options found for 2N404. 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 2N404, 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 |
|---|---|---|---|---|
| JAN2N404 | GPD Optoelectronics Corp | Check for Price | Small Signal Bipolar Transistor, 0.2A I(C), 24V V(BR)CEO, 1-Element, PNP, Germanium, TO-5, TO-5, 3 PIN | 2N404 vs JAN2N404 |
2N404 Frequently Asked Questions (FAQ)
-
The maximum safe operating area (SOA) for the 2N404 is not explicitly stated in the datasheet, but it can be estimated based on the device's thermal and electrical characteristics. As a general rule, it's recommended to operate the device within the specified maximum ratings and avoid operating conditions that may cause excessive heat, voltage, or current stress.
-
To ensure reliable operation of the 2N404 in high-temperature environments, it's essential to consider the device's thermal characteristics, such as the maximum junction temperature (Tj) and thermal resistance (Rthja). Ensure that the device is properly heatsinked, and the ambient temperature is within the specified operating range. Additionally, consider derating the device's power handling capabilities at higher temperatures.
-
The recommended storage temperature range for the 2N404 is typically between -40°C to 150°C, as specified in the datasheet. Storing the device outside of this range may affect its reliability and performance.
-
While the 2N404 can be used as a switch, its frequency response may not be suitable for high-frequency applications. The device's transition frequency (fT) is typically around 100 MHz, which may limit its performance in high-frequency switching applications. Consider using a transistor with a higher transition frequency or a dedicated high-frequency switch.
-
To prevent electrical overstress (EOS) damage to the 2N404, ensure that the device is operated within its specified maximum ratings, including voltage, current, and power dissipation. Use proper circuit protection, such as voltage regulators, current limiters, and transient voltage suppressors, to prevent excessive voltage or current stress.