Overview
The BD242B is a 3 A, 80 V PNP Bipolar Power Transistor designed for use in general purpose amplifier and switching applications. This transistor is part of the BD242 series, which includes complementary devices such as the BD241C (NPN) and BD242C (PNP). The BD242B is now obsolete and not in production, but it remains relevant for existing designs and maintenance of older systems.
Key Specifications
| Parameter | Value |
|---|---|
| Collector-Emitter Saturation Voltage (VCE(sat)) | 1.2 Vdc (Max) @ IC = 3.0 Adc |
| Collector-Emitter Sustaining Voltage (VCEO(sus)) | 80 Vdc (Min.) |
| Current Gain - Bandwidth Product (fT) | 3.0 MHz (Min) @ IC = 500 mAdc |
| Continuous Collector Current (IC) | 3 A |
| Base-Emitter Saturation Voltage (VBE(sat)) | 1.8 V |
| Package Type | TO-220-3 |
| Pb-Free Packages | Available |
Key Features
- High current handling capability of up to 3 A.
- Collector-Emitter Saturation Voltage of 1.2 Vdc (Max) @ IC = 3.0 Adc, ensuring low voltage drop.
- Collector-Emitter Sustaining Voltage of 80 Vdc (Min.), providing robust voltage handling.
- High current gain-bandwidth product of 3.0 MHz (Min) @ IC = 500 mAdc, suitable for high-frequency applications.
- Compact TO-220 AB package, offering good thermal and electrical performance.
- Pb-Free packages available, complying with environmental regulations.
Applications
- General purpose amplifier applications.
- Switching applications, including power switching and signal switching.
- Automotive and industrial control systems where high current and voltage handling are required.
- Power supplies and DC-DC converters.
- Audio and power amplifiers.
Q & A
- What is the maximum collector current of the BD242B transistor?
The maximum collector current of the BD242B transistor is 3 A.
- What is the collector-emitter saturation voltage of the BD242B?
The collector-emitter saturation voltage (VCE(sat)) is 1.2 Vdc (Max) @ IC = 3.0 Adc.
- What is the collector-emitter sustaining voltage of the BD242B?
The collector-emitter sustaining voltage (VCEO(sus)) is 80 Vdc (Min.).
- What is the current gain-bandwidth product of the BD242B?
The current gain-bandwidth product (fT) is 3.0 MHz (Min) @ IC = 500 mAdc.
- In what package is the BD242B available?
The BD242B is available in the TO-220-3 package.
- Is the BD242B Pb-Free?
- What are the typical applications of the BD242B transistor?
The BD242B is typically used in general purpose amplifier and switching applications, including automotive and industrial control systems, power supplies, and audio amplifiers.
- Is the BD242B still in production?
No, the BD242B is obsolete and not in production.
- What are the complementary devices to the BD242B?
The complementary devices to the BD242B are the BD241C (NPN) and BD242C (PNP).
- What is the base-emitter saturation voltage of the BD242B?
The base-emitter saturation voltage (VBE(sat)) is 1.8 V.
