Overview
The MMBT3904-7-F is a 40V NPN small signal transistor manufactured by Diodes Incorporated. This transistor is designed for medium power amplification and switching applications. It is part of the SOT23 package family, making it suitable for compact and efficient circuit designs. The MMBT3904-7-F is fully RoHS compliant, halogen and antimony free, and qualified to AEC-Q101 standards for high reliability, ensuring its use in a variety of automotive and industrial applications.
Key Specifications
| Characteristic | Symbol | Value | Unit | Test Condition |
|---|---|---|---|---|
| Collector-Base Voltage | VCBO | 60 | V | IC = 10μA, IE = 0 |
| Collector-Emitter Voltage | VCEO | 40 | V | IC = 10mA, IB = 0 |
| Emitter-Base Voltage | VEBO | 6.0 | V | IE = 10μA |
| Collector Current | IC | 200 | mA | |
| Power Dissipation | PD | 310 | mW | |
| Thermal Resistance, Junction to Ambient | RθJA | 403 | °C/W | |
| Current Gain-Bandwidth Product | fT | 300 | MHz | VCE = 20V, IC = 10mA, f = 100MHz |
| Delay Time | tD | 35 | ns | VCC = 3.0V, IC = 10mA, VBE(OFF) = -0.5V, IB1 = 1.0mA |
| Rise Time | tR | 35 | ns | VCC = 3.0V, IC = 10mA, IB1 = 1.0mA |
| Storage Time | tS | 200 | ns | VCC = 3.0V, IC = 10mA, IB1 = IB2 = 1.0mA |
| Fall Time | tF | 50 | ns | VCC = 3.0V, IC = 10mA, IB1 = IB2 = 1.0mA |
Key Features
- Complementary PNP Type Available: The MMBT3904 has a complementary PNP type, the MMBT3906, which is useful for matching in push-pull amplifier configurations.
- Ideal for Medium Power Amplification and Switching: Suitable for a variety of applications requiring medium power amplification and switching.
- Totally Lead-Free & Fully RoHS Compliant: Meets EU Directive 2002/95/EC (RoHS) and 2011/65/EU (RoHS 2) standards, ensuring environmental compliance.
- Halogen and Antimony Free: Classified as a “Green” device, containing less than 900ppm bromine, less than 900ppm chlorine, and less than 1000ppm antimony compounds.
- AEC-Q101 Qualified: Qualified to AEC-Q101 standards for high reliability, making it suitable for automotive applications.
- PPAP Capable: Production Part Approval Process (PPAP) capable, ensuring rigorous quality control.
- SOT23 Package: Compact SOT23 package with molded plastic and matte tin plated leads, UL flammability classification rating 94V-0.
Applications
- Automotive Electronics: Qualified to AEC-Q101 standards, making it suitable for various automotive applications.
- Industrial Control Systems: Used in industrial control systems for amplification and switching functions.
- Consumer Electronics: Suitable for use in consumer electronics such as audio amplifiers, switching circuits, and general-purpose amplification.
- Medical Devices: Can be used in medical devices where high reliability and compliance with environmental standards are crucial.
Q & A
- What is the maximum collector-emitter voltage of the MMBT3904?
The maximum collector-emitter voltage (VCEO) is 40V.
- What is the package type of the MMBT3904?
The MMBT3904 is packaged in a SOT23 case.
- Is the MMBT3904 RoHS compliant?
Yes, the MMBT3904 is fully RoHS compliant and lead-free.
- What is the current gain-bandwidth product of the MMBT3904?
The current gain-bandwidth product (fT) is 300 MHz.
- What are the typical switching times for the MMBT3904?
The typical delay time (tD) and rise time (tR) are both 35 ns, while the storage time (tS) is 200 ns and the fall time (tF) is 50 ns.
- Is the MMBT3904 suitable for automotive applications?
Yes, the MMBT3904 is AEC-Q101 qualified, making it suitable for automotive applications.
- What is the thermal resistance from junction to ambient for the MMBT3904?
The thermal resistance from junction to ambient (RθJA) is 403 °C/W.
- What is the maximum collector current of the MMBT3904?
The maximum collector current (IC) is 200 mA.
- Is the MMBT3904 halogen and antimony free?
Yes, the MMBT3904 is halogen and antimony free, classified as a “Green” device.
- What is the moisture sensitivity level of the MMBT3904?
The MMBT3904 has a moisture sensitivity level of 1 per J-STD-020.
