Texas Instruments 2N3904-R BJTs
NPN Bipolar Junction Transistor (BJT) for general-purpose applications.

Same model may have multiple batches, images only for reference.
Technical Specifications
Texas Instruments 2N3904-R BJTs technical specifications.
General
Alternate Parts Comparison (2N3904-R vs ULN2003AIDR vs ULN2004AIDR vs ULN2003AIDRG4)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Mounting Type | Through Hole | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -55°C ~ 150°C | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) |
| Package | TO-92 | SOIC | SOIC | SOIC |
| Radiation Hardening | No | No | No | No |
| Series | -- | Automotive, AEC-Q100 | Automotive, AEC-Q100 | Automotive, AEC-Q100 |
| Package / Case | -- | 16-SOIC | 16-SOIC | 16-SOIC |
| Supply Voltage | -- | Not Required | Not Required | Not Required |
| Interface | -- | Parallel | Parallel | Parallel |
| Collector Emitter Breakdown Voltage | -- | 50V | 50V | 50V |
| Collector Emitter Voltage Max | -- | 1.6V | 1.6V | 1.6V |
| Current Output Max | -- | 500mA | 500mA | 500mA |
| Height | -- | 1.58mm | 1.58mm | 1.58mm |
| Action |
Texas Instruments 2N3904-R BJTs Overview
NPN Bipolar Junction Transistor (BJT) for general-purpose applications. Features a 40V collector-emitter voltage and 0.2A continuous collector current. This single-element transistor is housed in a 3-pin TO-92 plastic package with formed leads, designed for through-hole mounting. Offers a minimum DC current gain ranging from 40 to 100 depending on operating conditions, and a minimum transition frequency of 300 MHz.
Operates across a wide temperature range of -55°C to 150°C.