The 2N3904 is one of the most commonly used general-purpose NPN transistors in electronics. This passage is going to introduce 2N3904 from the perspectives of datasheet, applications, equivalent, manufacturer, and package.
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Apr 1, 2022
Alan Eleanor
3 Simple Electronic Project using 2n3904
The 2N3904 is one of the most commonly used general-purpose NPN transistors in electronics. This passage is going to introduce 2N3904 from the perspectives of datasheet, applications, equivalent, manufacturer, and package.
2N3904
2N3904 is an extremely popular NPN transistor that is used as a simple electronic switch or amplifier that can handle 200 mA (absolute maximum) and frequencies as high as 100 MHz when used as an amplifier.
Bi-Polar NPN Transistor
DC Current Gain (hFE) is 300 maximum
Continuous Collector current (IC) is 200mA
Base- Emitter Voltage (VBE) is 6V
Collector-Emitter Voltage (VCE) is 40V
Collector-Base Voltage (VCB) is 60V
Available in To-92 Package
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STMicroelectronics 2N3904 technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics 2N3904.
STMicroelectronics 2N3904 technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics 2N3904.
| Product Attribute | Attribute Value | |
|---|---|---|
| Mount | Through Hole | |
| Mounting Type | Through Hole | |
| Package / Case | TO-226-3, TO-92-3 (TO-226AA) | |
| Transistor Element Material | SILICON | |
| Collector-Emitter Breakdown Voltage | 40V | |
| Number of Elements | 1 Element | |
| hFEMin | 30 | |
| Operating Temperature | 150°C TJ | |
| Packaging | Bulk | |
| JESD-609 Code | e3 | |
| Part Status | Obsolete | |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | |
| Number of Terminations | 3Terminations | |
| ECCN Code | EAR99 | |
| Terminal Finish | Matte Tin (Sn) |
| Product Attribute | Attribute Value | |
|---|---|---|
| Voltage - Rated DC | 60V | |
| Max Power Dissipation | 625mW | |
| Terminal Position | BOTTOM | |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED | |
| Reach Compliance Code | not_compliant | |
| Current Rating | 200mA | |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | |
| Base Part Number | 2N39 | |
| Pin Count | 3 | |
| JESD-30 Code | O-PBCY-T3 | |
| Qualification Status | Not Qualified | |
| Element Configuration | Single | |
| Power Dissipation | 625mW | |
| Transistor Application | SWITCHING | |
| Gain Bandwidth Product | 270MHz |
| Product Attribute | Attribute Value | |
|---|---|---|
| Polarity/Channel Type | NPN | |
| Transistor Type | NPN | |
| Collector Emitter Voltage (VCEO) | 200mV | |
| Max Collector Current | 200mA | |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 100 @ 10mA 1V | |
| Vce Saturation (Max) @ Ib, Ic | 200mV @ 5mA, 50mA | |
| Transition Frequency | 270MHz | |
| Collector Base Voltage (VCBO) | 60V | |
| Emitter Base Voltage (VEBO) | 6V | |
| Turn Off Time-Max (toff) | 250ns | |
| Turn On Time-Max (ton) | 70ns | |
| REACH SVHC | No SVHC | |
| RoHS Status | ROHS3 Compliant | |
| Lead Free | Lead Free |
2N3904 can be used in any electronic applications which fall under its electrical characteristics, if you want to switch a load in an electronic application that requires current under 200mA then this transistor will work quite well and you can drive variety of loads with this transistor for example relays, high power transistors, LEDs, a portion of an electronic circuit etc. When using as an amplifier it can be used in audio amplification stages, as an amplifier to drive small speakers, as an audio preamplifier and it can also be used in amplification stages of RF applications.
■ WELL SUITABLE FOR TV AND HOME APPLIANCE EQUIPMENT
■ SMALL LOAD SWITCH TRANSISTOR WITH HIGH GAIN AND LOW SATURATION VOLTAGE
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Download datasheets and manufacturer documentation for STMicroelectronics 2N3904.
Download datasheets and manufacturer documentation for 2N3904
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