2N3904
Single Bipolar Transistors Manufacturer:
Mfr. Part #:
onzuu Part #:
Datasheet:
Description:
2N3904
276-2N3904
Discover 2N3904 NPN Transistor details: datasheet, features, specs, and application circuits. Get buying options and Onzuu distributor insights. Ideal for switching and amplification.
2N3904 Description
2N3904 NPN Transistor Overview
2N3904 is a widely used NPN bipolar junction transistor (BJT) designed for low current, medium voltage, and moderate speed switching and amplification applications. Manufactured by STMicroelectronics, it is housed in a TO-92 package and ideal for educational and industrial use. Note: this product is now Obsolete.
π Datasheet Download
Click here to download the 2N3904 Datasheet (PDF)
β¨ Features
- NPN Bipolar Junction Transistor
- Collector Current (Ic): 200 mA
- Collector-Emitter Voltage: 40V
- Low Vce(sat): 200mV @ 5mA, 50mA
- Transition Frequency: 270 MHz
- Power Dissipation: up to 625 mW
- Package: TO-92 Through-Hole
- Operating Junction Temperature: up to 150°C
π Specifications Table
| Manufacturer | STMicroelectronics |
|---|---|
| Transistor Type | NPN |
| Collector Current (Ic) | 200 mA (Max) |
| Collector-Emitter Breakdown Voltage | 40 V (Max) |
| Vce Saturation (Max) | 200mV @ 5mA, 50mA |
| DC Current Gain (hFE) | 100 @ 10mA, 1V |
| Power Dissipation | 625 mW |
| Transition Frequency | 270 MHz |
| Mounting Type | Through Hole |
| Package | TO-92-3 (TO-226-3) |
| Operating Temperature | Up to 150°C |
| Part Status | Obsolete |
π‘ Application Scenarios
- Signal amplification in analog circuits
- General-purpose low-power switching
- Oscillator and timer circuits
- Hobby electronics and educational projects
2N3904 NPN Transistor Overview
2N3904 is a widely used NPN bipolar junction transistor (BJT) designed for low current, medium voltage, and moderate speed switching and amplification applications. Manufactured by STMicroelectronics, it is housed in a TO-92 package and ideal for educational and industrial use. Note: this product is now Obsolete.
π Datasheet Download
Click here to download the 2N3904 Datasheet (PDF)
β¨ Features
- NPN Bipolar Junction Transistor
- Collector Current (Ic): 200 mA
- Collector-Emitter Voltage: 40V
- Low Vce(sat): 200mV @ 5mA, 50mA
- Transition Frequency: 270 MHz
- Power Dissipation: up to 625 mW
- Package: TO-92 Through-Hole
- Operating Junction Temperature: up to 150°C
π Specifications Table
| Manufacturer | STMicroelectronics |
|---|---|
| Transistor Type | NPN |
| Collector Current (Ic) | 200 mA (Max) |
| Collector-Emitter Breakdown Voltage | 40 V (Max) |
| Vce Saturation (Max) | 200mV @ 5mA, 50mA |
| DC Current Gain (hFE) | 100 @ 10mA, 1V |
| Power Dissipation | 625 mW |
| Transition Frequency | 270 MHz |
| Mounting Type | Through Hole |
| Package | TO-92-3 (TO-226-3) |
| Operating Temperature | Up to 150°C |
| Part Status | Obsolete |
π‘ Application Scenarios
- Signal amplification in analog circuits
- General-purpose low-power switching
- Oscillator and timer circuits
- Hobby electronics and educational projects
π Buy 2N3904 or Find Alternatives
Looking for 2N3904 or equivalent parts? Contact Onzuu, your trusted electronic component distributor. We offer sourcing, BOM services, and global delivery.
π’ Why Choose Onzuu?
Onzuu is a professional B2B distributor specializing in sourcing electronic components globally. We help engineers and supply chain teams find authentic, high-quality, and hard-to-find parts — including discontinued products like 2N3904. Contact us for pricing and delivery options tailored for your project.
β FAQ - Frequently Asked Questions
- Q: Is 2N3904 still in production?
A: No, it is marked as Obsolete. Alternatives such as 2N2222 or BC547 may be considered. - Q: Can I use 2N3904 in switching circuits?
A: Yes, it is suitable for low-power switching applications. - Q: What is the maximum collector current?
A: 200 mA. - Q: Which package does it come in?
A: TO-92-3 Through Hole package.
π Conclusion
The 2N3904 is a trusted NPN transistor used extensively in prototyping, education, and production circuits. Though obsolete, it remains in demand due to its versatility and familiarity in countless reference designs. Explore available stock or consider its equivalents to continue your development with confidence.
π’ Why Choose Onzuu?
Onzuu is a professional B2B distributor specializing in sourcing electronic components globally. We help engineers and supply chain teams find authentic, high-quality, and hard-to-find parts — including discontinued products like 2N3904. Contact us for pricing and delivery options tailored for your project.
β FAQ - Frequently Asked Questions
- Q: Is 2N3904 still in production?
A: No, it is marked as Obsolete. Alternatives such as 2N2222 or BC547 may be considered. - Q: Can I use 2N3904 in switching circuits?
A: Yes, it is suitable for low-power switching applications. - Q: What is the maximum collector current?
A: 200 mA. - Q: Which package does it come in?
A: TO-92-3 Through Hole package.
π Conclusion
The 2N3904 is a trusted NPN transistor used extensively in prototyping, education, and production circuits. Though obsolete, it remains in demand due to its versatility and familiarity in countless reference designs. Explore available stock or consider its equivalents to continue your development with confidence.
Technical specifications
| Operating Temperature | 150Β°C (TJ) | |
| Frequency - Transition | 270MHz | |
| Current - Collector (Ic) (Max) | 200 mA | |
| Vce Saturation (Max) @ Ib, Ic | 200mV @ 5mA, 50mA | |
| ECCN | EAR99 | |
| Mounting Type | Through Hole | |
| Product Status | Obsolete | |
| Voltage - Collector Emitter Breakdown (Max) | 40 V | |
| Supplier Device Package | TO-92-3 | |
| Series | - | |
| Transistor Type | NPN | |
| Package / Case | TO-226-3, TO-92-3 (TO-226AA) | |
| Power - Max | 625 mW | |
| REACH Status | REACH Unaffected | |
| Mfr | STMicroelectronics | |
| Current - Collector Cutoff (Max) | - | |
| HTSUS | 8541.21.0075 | |
| Package | Bulk | |
| RoHS Status | ROHS3 Compliant | |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 100 @ 10mA, 1V | |
| Base Product Number | 2N39 | |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
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