Overview
The MMBT3904M-TP is an NPN switching transistor produced by Micro Commercial Co, although it is more commonly associated with manufacturers like Nexperia and Diodes Incorporated. This transistor is housed in a SOT23 plastic surface-mounted package, making it suitable for a variety of electronic applications. It is known for its medium power amplification and switching capabilities.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VCBO (Collector-Base Voltage) | Open Emitter | - | - | 60 | V |
| VCEO (Collector-Emitter Voltage) | Open Base | - | - | 40 | V |
| VEBO (Emitter-Base Voltage) | Open Collector | - | - | 6 | V |
| IC (Collector Current) | - | - | - | 200 | mA |
| ICM (Peak Collector Current) | - | - | - | 200 | mA |
| IBM (Peak Base Current) | - | - | - | 100 | mA |
| Ptot (Total Power Dissipation) | Tamb ≤ 25 °C | - | - | 250 | mW |
| Tj (Junction Temperature) | - | - | - | 150 | °C |
| Tamb (Ambient Temperature) | - | -65 | - | 150 | °C |
| Tstg (Storage Temperature) | - | -65 | - | 150 | °C |
| Rth(j-a) (Thermal Resistance from Junction to Ambient) | - | - | - | 500 | K/W |
| hFE (DC Current Gain) | VCE = 1 V, IC = 10 mA | - | 100-300 | - | - |
| fT (Transition Frequency) | VCE = 20 V, IC = 10 mA, f = 100 MHz | - | - | 300 | MHz |
| td (Delay Time) | IC = 10 mA, IBon = 1 mA, IBoff = -1 mA | - | - | 35 | ns |
| tr (Rise Time) | IC = 10 mA, IBon = 1 mA, IBoff = -1 mA | - | - | 35 | ns |
| ts (Storage Time) | IC = 10 mA, IBon = 1 mA, IBoff = -1 mA | - | - | 200 | ns |
| tf (Fall Time) | IC = 10 mA, IBon = 1 mA, IBoff = -1 mA | - | - | 50 | ns |
Key Features
- Collector Current Capability: Up to 200 mA, making it suitable for medium power applications.
- Collector-Emitter Voltage: Rated at 40 V, providing a robust voltage handling capability.
- Package: SOT23 plastic surface-mounted package, which is compact and suitable for modern PCB designs.
- Environmental Compliance: Totally lead-free and fully RoHS compliant, halogen and antimony free, making it an environmentally friendly option.
- PNP Complement: The MMBT3906 is available as a PNP complement, allowing for balanced circuit designs.
- Switching and Amplification: Ideal for general switching and amplification applications due to its fast switching times and good current gain.
Applications
- General Switching: Suitable for various switching applications due to its fast switching times and low saturation voltage.
- Amplification: Used in medium power amplification circuits where a high current gain is required.
- Automotive Applications: An automotive-compliant version (MMBT3904Q) is available, making it suitable for use in automotive electronics.
- Consumer Electronics: Often used in consumer electronic devices that require reliable and efficient switching and amplification.
Q & A
- What is the maximum collector current of the MMBT3904?
The maximum collector current (IC) is 200 mA.
- What is the collector-emitter voltage rating of the MMBT3904?
The collector-emitter voltage (VCEO) is rated at 40 V.
- What package type is the MMBT3904 available in?
The MMBT3904 is available in a SOT23 plastic surface-mounted package.
- Is the MMBT3904 RoHS compliant?
Yes, the MMBT3904 is totally lead-free and fully RoHS compliant.
- What is the typical DC current gain (hFE) of the MMBT3904?
The typical DC current gain (hFE) is between 100 and 300 at VCE = 1 V and IC = 10 mA.
- What are the switching times of the MMBT3904?
The delay time (td) is 35 ns, rise time (tr) is 35 ns, storage time (ts) is 200 ns, and fall time (tf) is 50 ns.
- What is the transition frequency (fT) of the MMBT3904?
The transition frequency (fT) is 300 MHz at VCE = 20 V and IC = 10 mA.
- Is there a PNP complement for the MMBT3904?
Yes, the MMBT3906 is the PNP complement for the MMBT3904.
- What are the typical applications of the MMBT3904?
The MMBT3904 is typically used in general switching and medium power amplification applications.
- Is the MMBT3904 suitable for automotive applications?
An automotive-compliant version (MMBT3904Q) is available, making it suitable for use in automotive electronics.
