Overview
The BUL741FP is a high voltage fast-switching NPN power transistor manufactured by STMicroelectronics. This device is produced using high voltage multi-epitaxial planar technology, which enables high switching speeds and high voltage capability. Although the BUL741FP is currently obsolete and no longer manufactured, it remains relevant for understanding high-performance transistor technology.
Key Specifications
| Parameter | Value |
|---|---|
| Type | NPN Power Transistor |
| Technology | High Voltage Multi-Epitaxial Planar |
| Collector-Base Voltage (Vcb) | 700 V |
| Collector-Emitter Voltage (Vce) | 700 V |
| Emitter-Base Voltage (Veb) | 5 V |
| Collector Current (Ic) | 10 A |
| Base Current (Ib) | 5 A |
| Switching Time (ton + toff) | Typically 1.5 μs |
| Operating Temperature Range | -40°C to 150°C |
Key Features
The BUL741FP boasts several key features that make it suitable for high-performance applications:
- High Voltage Capability: The transistor can handle high collector-base and collector-emitter voltages up to 700 V.
- Low Spread of Dynamic Parameters: This ensures reliable operation with minimal variation in performance across different units.
- Very High Switching Speed: The device is characterized by fast switching times, typically around 1.5 μs, making it ideal for applications requiring quick switching.
Applications
The BUL741FP is designed for use in various high-power and high-speed applications, including:
- Power Supplies: High voltage power supplies and switching power supplies benefit from its fast switching capabilities and high voltage handling.
- Motor Control: The transistor is suitable for motor control circuits due to its high current handling and fast switching times.
- Industrial Automation: It can be used in industrial automation systems where high reliability and fast switching are critical.
Q & A
- What is the BUL741FP?
The BUL741FP is a high voltage fast-switching NPN power transistor manufactured by STMicroelectronics.
- What technology is used to manufacture the BUL741FP?
The BUL741FP is manufactured using high voltage multi-epitaxial planar technology.
- What is the maximum collector-base voltage of the BUL741FP?
The maximum collector-base voltage (Vcb) is 700 V.
- Is the BUL741FP still in production?
No, the BUL741FP is obsolete and no longer manufactured.
- What are some key features of the BUL741FP?
Key features include high voltage capability, low spread of dynamic parameters, and very high switching speed.
- What are typical applications for the BUL741FP?
Typical applications include high-power supplies, motor control, and industrial automation.
- What is the typical switching time of the BUL741FP?
The typical switching time (ton + toff) is around 1.5 μs.
- What is the operating temperature range of the BUL741FP?
The operating temperature range is -40°C to 150°C.
- Why is the BUL741FP suitable for high-performance applications?
It is suitable due to its high voltage capability, fast switching times, and low spread of dynamic parameters.
- What are some potential substitutes for the BUL741FP?
A potential substitute is the BUL741 from STMicroelectronics.
