Overview
The BU406G is a high-performance NPN bipolar power transistor manufactured by onsemi. It is specifically designed for use in horizontal deflection output stages of large screen TVs and CRTs. This transistor is known for its high voltage handling, fast switching speed, and low saturation voltage, making it an ideal choice for demanding applications in consumer electronics.
Key Specifications
| Parameter | Symbol | Rating | Unit |
|---|---|---|---|
| Collector-Base Voltage (IE=0) | VCBO | 400 | V |
| Collector-Emitter Voltage (VBE=-1.5V) | VCEV | 400 | V |
| Collector-Emitter Voltage (IB=0) | VCEO | 200 | V |
| Emitter-Base Voltage (IC=0) | VEBO | 6 | V |
| Collector Current | IC | 7 | A |
| Collector Peak Current (repetitive) | ICM | 10 | A |
| Collector Peak Current (tp=10ms) | ICM | 15 | A |
| Base Current | IB | 4 | A |
| Collector Dissipation (TC≤25°C) - TO-220/TO-263 | PC | 60 | W |
| Junction Temperature | TJ | 150 | °C |
| Storage Temperature | TSTG | -65 ~ +150 | °C |
| Transition Frequency | fT | 10 | MHz |
| Turn-off Time | tOFF | 0.75 | μs |
| Collector-Emitter Saturation Voltage | VCE(SAT) | 1 | V |
| Base-Emitter Saturation Voltage | VBE(SAT) | 1.2 | V |
Key Features
- High voltage handling: Up to 400 V for collector-base and collector-emitter voltages.
- Fast switching speed: Transition time (t_f) of up to 750 ns.
- Low saturation voltage: V_CE(SAT) of 1 V at 5 A.
- High current capability: Continuous collector current of 7 A and peak current of 15 A.
- Compact packaging: Available in JEDEC TO-220AB and other packages.
- Pb-Free package option available.
Applications
The BU406G transistor is primarily used in horizontal deflection output stages of large screen TVs and CRTs. It is also suitable for other high-voltage, high-current applications such as power amplifiers, switching circuits, and other consumer electronics requiring fast switching and low saturation voltages.
Q & A
- What is the maximum collector-base voltage of the BU406G transistor?
The maximum collector-base voltage (VCBO) is 400 V. - What is the transition frequency of the BU406G transistor?
The transition frequency (fT) is 10 MHz. - What is the maximum collector current of the BU406G transistor?
The maximum continuous collector current (IC) is 7 A. - What is the turn-off time of the BU406G transistor?
The turn-off time (tOFF) is 0.75 μs. - In what packages is the BU406G transistor available?
The BU406G is available in various packages including TO-220, TO-220F, TO-220F1, TO-3P, and TO-263. - Is the BU406G transistor Pb-Free?
Yes, Pb-Free package options are available for the BU406G transistor. - What is the maximum junction temperature of the BU406G transistor?
The maximum junction temperature (TJ) is 150 °C. - What is the collector-emitter saturation voltage of the BU406G transistor?
The collector-emitter saturation voltage (VCE(SAT)) is 1 V at 5 A. - What is the base-emitter saturation voltage of the BU406G transistor?
The base-emitter saturation voltage (VBE(SAT)) is 1.2 V at 5 A. - What are the typical applications of the BU406G transistor?
The BU406G is typically used in horizontal deflection output stages of large screen TVs and CRTs, as well as in other high-voltage, high-current applications.
