TRANS NPN 40V 0.2A TO-92 The 2N3904 is a common NPN transistor used for general-purpose low-power amplifying or switching applications. This blog introduces its pinout,CAD model, circuit and other detailed information about 2N3904.
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Jun 28, 2021
Fay Carroll
NPN 2N3904 Transistor Experiment
TRANS NPN 40V 0.2A TO-92
The 2N3904 is a common NPN transistor used for general-purpose low-power amplifying or switching applications. This blog introduces its pinout,CAD model, circuit and other detailed information about 2N3904.
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
Symbol
Footprint
3D Model
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) | |
| Number of Pins | 3Pins | |
| Transistor Element Material | SILICON | |
| Collector-Emitter Breakdown Voltage | 40V | |
| Frequency - Gain Bandwidth Product (GBP) | 270MHz | |
| Power Dissipation (Max) | 625mW | |
| 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) |
| Product Attribute | Attribute Value | |
|---|---|---|
| Number of Terminations | 3Terminations | |
| ECCN Code | EAR99 | |
| Terminal Finish | Matte Tin (Sn) | |
| Voltage - Rated DC | 60V | |
| 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 | |
| JESD-30 Code | O-PBCY-T3 | |
| Qualification Status | Not Qualified | |
| Element Configuration | Single | |
| Power Dissipation | 625mW | |
| Transistor Application | SWITCHING |
| 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
STMicroelectronics is a global independent semiconductor company and is a leader in developing and delivering semiconductor solutions across the spectrum of microelectronics applications. An unrivaled combination of silicon and system expertise, manufacturing strength, Intellectual Property (IP) portfolio and strategic partners positions the Company at the forefront of System-on-Chip (SoC) technology and its products play a key role in enabling today's convergence trends.
Download datasheets and manufacturer documentation for STMicroelectronics 2N3904.
Download datasheets and manufacturer documentation for 2N3904
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