Overview
The BD438TG is a medium-power PNP Power Bipolar Junction Transistor (BJT) manufactured by onsemi. This transistor is part of the BD438 series and is designed for amplifier and switching applications. It is a plastic-encapsulated device, making it suitable for a variety of electronic systems. However, it is important to note that the BD438TG is currently discontinued, with the last shipment date scheduled for December 22, 2024.
Key Specifications
| Parameter | Value |
|---|---|
| Polarity | PNP |
| Continuous Collector Current (I_C Cont.) | 4.0 A |
| Collector-Emitter Voltage (V_CE) | 45 V |
| Collector-Base Voltage (V_CBO) | 45 V |
| Emitter-Base Voltage (V_EBO) | 5 V |
| Saturation Voltage (V_CE(sat)) | 0.7 V |
| Saturation Voltage (V_BE(sat)) | 1.1 V |
| Current Gain (h_FE) Min/Max | 85 / 475 |
| Transition Frequency (f_T) Min | 3 MHz |
| Power Dissipation (P_TM) Max | 36 W |
| Package Type | TO-225-3 |
Key Features
- Medium-power PNP BJT suitable for amplifier and switching applications.
- High current handling capability of up to 4.0 A.
- Collector-Emitter voltage rating of 45 V.
- Pb-Free and RoHS compliant, ensuring environmental sustainability.
- Complementary types available (BD437 and BD441).
Applications
- Amplification: Suitable for various amplifier circuits due to its high current gain and medium power handling.
- High current switching: Ideal for applications requiring high current switching, such as power supplies and motor control.
- Current amplification: Can be used in circuits where current amplification is necessary.
Q & A
- What is the BD438TG transistor used for?
The BD438TG is used for amplifier and switching applications.
- What is the maximum continuous collector current of the BD438TG?
The maximum continuous collector current is 4.0 A.
- What is the collector-emitter voltage rating of the BD438TG?
The collector-emitter voltage rating is 45 V.
- Is the BD438TG Pb-Free and RoHS compliant?
Yes, the BD438TG is Pb-Free and RoHS compliant.
- What are the complementary types of the BD438TG?
The complementary types are BD437 and BD441.
- What is the package type of the BD438TG?
The package type is TO-225-3.
- Is the BD438TG still in production?
No, the BD438TG is currently discontinued, with the last shipment date scheduled for December 22, 2024.
- What are the key features of the BD438TG?
Key features include high current handling, medium power rating, and compliance with environmental standards.
- What are some common applications of the BD438TG?
Common applications include amplification, high current switching, and current amplification.
- Where can I find more detailed specifications for the BD438TG?
You can find detailed specifications on the official onsemi website, DigiKey, or Mouser Electronics.
