Overview
The MMBTA42LT1HTSA1 is a high-voltage NPN bipolar junction transistor (BJT) manufactured by Infineon Technologies. This transistor is designed for medium power amplification and switching applications. It is housed in a compact SOT23 surface mount package, making it suitable for use in a variety of electronic devices where space is limited.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Collector-Base Voltage (VCBO) | 300 | V |
| Collector-Emitter Voltage (VCEO) | 300 | V |
| Emitter-Base Voltage (VEBO) | 6.0 | V |
| Continuous Collector Current (IC) | 500 | mA |
| Power Dissipation (PD) | 300 | mW |
| Thermal Resistance, Junction to Ambient (RθJA) | 417 | °C/W |
| Operating and Storage Temperature Range | -55 to +150 | °C |
| Electrostatic Discharge (ESD) - Human Body Model | 4000 | V |
| Transition Frequency (fT) | 50 | MHz |
| DC Current Gain (hFE) | 25 - 40 | |
| Collector-Emitter Saturation Voltage (VCE(sat)) | 0.5 | V |
| Base-Emitter Saturation Voltage (VBE(sat)) | 0.9 | V |
Key Features
- High voltage rating: BVCEO > 300V, making it ideal for medium power amplification and switching applications.
- Complementary PNP type: MMBTA92 available for matching applications.
- Totally lead-free and fully RoHS compliant, halogen and antimony free, and classified as a “Green” device.
- Compact SOT23 surface mount package for space-efficient designs.
- High DC current gain (hFE) and low saturation voltage (VCE(sat)) for efficient operation.
- Automotive-compliant part available under a separate datasheet (MMBTA42Q).
Applications
- Medium power amplification and switching applications.
- Voltage regulators, relay drivers, and inverters due to its high-speed switching capabilities.
- Power management systems, signal amplifiers, and motor control circuits.
- LED lighting and audio amplifiers where high current gain and low saturation voltage are beneficial.
Q & A
- What is the maximum collector-emitter voltage of the MMBTA42LT1HTSA1?
The maximum collector-emitter voltage (VCEO) is 300V.
- What is the continuous collector current rating of this transistor?
The continuous collector current (IC) is 500 mA.
- What is the power dissipation rating of the MMBTA42LT1HTSA1?
The power dissipation (PD) is 300 mW.
- Is the MMBTA42LT1HTSA1 RoHS compliant?
Yes, it is totally lead-free and fully RoHS compliant.
- What is the transition frequency (fT) of this transistor?
The transition frequency (fT) is 50 MHz.
- What are the operating and storage temperature ranges for this transistor?
The operating and storage temperature range is -55 to +150°C.
- Is there a complementary PNP type available for the MMBTA42LT1HTSA1?
Yes, the complementary PNP type is the MMBTA92.
- What is the package type of the MMBTA42LT1HTSA1?
The package type is SOT23 surface mount.
- What are some typical applications for the MMBTA42LT1HTSA1?
Typical applications include medium power amplification, switching, voltage regulators, relay drivers, and power management systems.
- Is the MMBTA42LT1HTSA1 suitable for automotive applications?
An automotive-compliant part is available under a separate datasheet (MMBTA42Q).
