Overview
The SMMBTA42LT1G is a high-voltage NPN bipolar transistor manufactured by onsemi. This device is designed for general-purpose amplifier applications and is housed in the SOT-23 (SC-59, TO-236) package, which is suitable for low-power surface mount applications. The transistor is AEC-Q101 qualified and PPAP capable, making it suitable for automotive and other applications requiring unique site and control change requirements. It is also Pb-free, halogen-free/BFR-free, and RoHS compliant.
Key Specifications
| Characteristic | Symbol | Value | Unit |
|---|---|---|---|
| Polarity | - | NPN | - |
| Type | - | General Purpose | - |
| Collector-Emitter Voltage (Max) | VCEO | 300 | Vdc |
| Collector-Base Voltage (Max) | VCBO | 300 | Vdc |
| Emitter-Base Voltage (Max) | VEBO | 6.0 | Vdc |
| Collector Current (Continuous) | IC | 500 mA | mAdc |
| Power Dissipation (Total) | PD | 225 mW | mW |
| DC Current Gain (Min) | hFE | 25 @ 1 mA, 10 Vdc | - |
| Transition Frequency | fT | 50 MHz | MHz |
| Operating Temperature | TJ | -55°C to 150°C | °C |
| Package Style | - | SOT-23 (SC-59, TO-236) | - |
| Mounting Method | - | Surface Mount | - |
Key Features
- AEC-Q101 qualified and PPAP capable, making it suitable for automotive and other applications requiring unique site and control change requirements.
- Pb-free, halogen-free/BFR-free, and RoHS compliant, ensuring environmental compliance.
- High collector-emitter voltage (VCEO) of 300 V, suitable for high-voltage applications.
- Low power dissipation of 225 mW, suitable for surface mount applications.
- Transition frequency of 50 MHz, indicating good high-frequency performance.
- Wide operating temperature range from -55°C to 150°C, ensuring reliability in various environments).
Applications
The SMMBTA42LT1G is designed for general-purpose amplifier applications. It is particularly suitable for:
- Automotive systems due to its AEC-Q101 qualification and PPAP capability).
- High-voltage amplifier circuits where its high VCEO rating is beneficial).
- Surface mount applications where low power dissipation is critical).
- High-frequency applications such as radio frequency (RF) amplifiers and switching circuits due to its transition frequency of 50 MHz).
Q & A
- What is the polarity of the SMMBTA42LT1G transistor?
The SMMBTA42LT1G is an NPN bipolar transistor).
- What is the maximum collector-emitter voltage (VCEO) of the SMMBTA42LT1G?
The maximum collector-emitter voltage (VCEO) is 300 Vdc).
- What is the continuous collector current (IC) rating of the SMMBTA42LT1G?
The continuous collector current (IC) rating is 500 mA).
- What is the power dissipation rating of the SMMBTA42LT1G?
The total power dissipation rating is 225 mW).
- What is the DC current gain (hFE) of the SMMBTA42LT1G?
The minimum DC current gain (hFE) is 25 at IC = 1 mA and VCE = 10 Vdc).
- What is the transition frequency (fT) of the SMMBTA42LT1G?
The transition frequency (fT) is 50 MHz).
- What is the operating temperature range of the SMMBTA42LT1G?
The operating temperature range is from -55°C to 150°C).
- Is the SMMBTA42LT1G RoHS compliant?
Yes, the SMMBTA42LT1G is Pb-free, halogen-free/BFR-free, and RoHS compliant).
- What package style is the SMMBTA42LT1G available in?
The SMMBTA42LT1G is available in the SOT-23 (SC-59, TO-236) package).
- What mounting method is used for the SMMBTA42LT1G?
The SMMBTA42LT1G uses surface mount technology).
