Overview
The MMBT3904T is a 200 mA, 40 V NPN Bipolar Junction Transistor designed for general purpose amplifier applications. It is housed in the SOT-416/SC-75 package, which is optimized for low power surface mount applications. This transistor is Pb-Free, Halogen Free/BFR Free, and is RoHS Compliant, making it suitable for a wide range of electronic devices. The 'S' prefix indicates that it meets automotive and other applications requiring unique site and control change requirements, and it is AEC-Q101 Qualified and PPAP Capable.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Collector-Emitter Voltage | VCEO | 40 | Vdc |
| Collector-Base Voltage | VCBO | 60 | Vdc |
| Emitter-Base Voltage | VEBO | 6.0 | Vdc |
| Collector Current - Continuous | IC | 200 | mAdc |
| Power Dissipation | Pd | 250 | mW |
| Small-Signal Current Gain (hfe) | hfe | 100 - 400 | |
| Output Admittance (hoe) | hoe | 1.0 - 40 | μmhos |
| Noise Figure (NF) | NF | -5.0 | dB |
| Delay Time (td) | td | 35 | ns |
| Rise Time (tr) | tr | 35 | ns |
| Storage Time (ts) | ts | 200 | ns |
| Fall Time (tf) | tf | 50 | ns |
Key Features
- General purpose amplifier applications
- SOT-416/SC-75 package for low power surface mount applications
- Pb-Free, Halogen Free/BFR Free, and RoHS Compliant
- 'S' prefix for automotive and other applications requiring unique site and control change requirements
- AEC-Q101 Qualified and PPAP Capable
- Small footprint package
Applications
The MMBT3904T is suitable for a variety of applications, including general purpose amplifiers, switching circuits, and other low to medium power electronic devices. Its small footprint and surface mount packaging make it ideal for use in compact and high-density electronic designs. It is also used in automotive and industrial applications where reliability and compliance with stringent standards are crucial.
Q & A
- What is the collector-emitter voltage rating of the MMBT3904T?
The collector-emitter voltage rating is 40 Vdc. - What is the maximum collector current of the MMBT3904T?
The maximum collector current is 200 mA. - Is the MMBT3904T RoHS Compliant?
Yes, the MMBT3904T is Pb-Free, Halogen Free/BFR Free, and RoHS Compliant. - What package type does the MMBT3904T use?
The MMBT3904T is housed in the SOT-416/SC-75 package. - What are the typical applications of the MMBT3904T?
The MMBT3904T is used in general purpose amplifier applications, switching circuits, and other low to medium power electronic devices. - Is the MMBT3904T AEC-Q101 Qualified?
Yes, the MMBT3904T is AEC-Q101 Qualified and PPAP Capable. - What is the noise figure of the MMBT3904T?
The noise figure is -5.0 dB. - What are the delay, rise, storage, and fall times of the MMBT3904T?
The delay time is 35 ns, rise time is 35 ns, storage time is 200 ns, and fall time is 50 ns. - Is the MMBT3904T still in production?
No, the MMBT3904T is obsolete and no longer manufactured. However, similar substitutes like the MMBT3904LT1G are available. - Where can I find more detailed specifications and resources for the MMBT3904T?
You can find detailed specifications and resources on the onsemi website, as well as through distributors like Mouser and Digi-Key.
