BU941ZT: Features, Specs & More
In the fast-evolving world of automotive electronics, durability, performance, and thermal efficiency are non-negotiable. Enter the BU941ZT, a robust NPN Darlington transistor from STMicroelectronics, purpose-built for high-ruggedness automotive applications like electronic ignition systems. In this comprehensive article, we'll delve into the intricacies of the BU941ZT, uncovering its definition, key features, specifications, applications, and a closer look at its manufacturer.
Catalog
BU941ZT's Overview
The BU941ZT is a single NPN Darlington transistor with high current gain and high collector-emitter voltage capability. Housed in a TO-220AB package with through-hole mounting, it's tailored for demanding automotive environments. With a 350V collector-emitter voltage and up to 15A collector current, this device ensures power and efficiency in ignition control systems and similar rugged applications.
Key Features
Let's delve into the standout features that make the BU941ZT a standout in the world of electronics:
· Supports 350V maximum collector-emitter voltage for high-voltage circuits
· Provides 15A continuous collector current, ideal for ignition modules
· Delivers high DC current gain (min. 300 @ 5A/10V) for efficient amplification
· Built using bipolar process technology for reliable performance
· Operates in extreme temperatures from -65°C to +175°C
· Offers low saturation voltages (as low as 1.8V) for power-efficient switching
· AEC-Q101 qualified for automotive-grade reliability
· Packaged in TO-220AB with a tab for effective heat dissipation
· Power dissipation rated at 150W, supporting high-load operations
Specifications
Now, let's take a closer look at the technical specifications that define the capabilities of the BU941ZT:
Type | Parameter |
Type | NPN |
Configuration | Single |
Number of Elements per Chip | 1 |
Maximum Collector-Emitter Voltage (V) | 350 |
Process Technology | Bipolar |
Maximum Emitter Base Voltage (V) | 5 |
Maximum Base Emitter Saturation Voltage (V) | 2.2@100mA@8A|2.5@250mA@10A |
Maximum Continuous DC Collector Current (A) | 15 |
Maximum Collector Cut-Off Current (uA) | 100 |
Maximum Collector-Emitter Saturation Voltage (V) | 1.8@100mA@8A|1.8@250mA@10A |
Minimum DC Current Gain | 300@5A@10V |
Maximum Power Dissipation (mW) | 150000 |
Minimum Operating Temperature (°C) | -65 |
Maximum Operating Temperature (°C) | 175 |
Supplier Temperature Grade | Automotive |
Packaging | Tube |
Mounting | Through Hole |
Package Height | 9.15(Max) |
Package Width | 4.6(Max) |
Package Length | 10.4(Max) |
PCB changed | 3 |
Tab | Tab |
Standard Package Name | TO |
Supplier Package | TO-220AB |
Pin Count | 3 |
Lead Shape | Through Hole |
Applications
The BU941ZT is purpose-designed for high-ruggedness applications, with its most prominent use in:
· Electronic ignition systems in automotive engines
· High-power switch mode power supplies (SMPS)
· Motor control units requiring robust switching transistors
· Industrial control systems operating under harsh thermal conditions
BU941ZT's Manufacturer
STMicroelectronics, often abbreviated as ST, is a global semiconductor manufacturer with a long-standing reputation for producing innovative and high-quality electronic components. With headquarters in Geneva, Switzerland, and a strong international presence, STMicroelectronics is a leading player in the semiconductor industry. They specialize in designing and manufacturing a wide range of semiconductor devices, including microcontrollers, sensors, power management solutions, and more. STMicroelectronics is trusted by industries worldwide, including automotive, consumer electronics, industrial, and telecommunications, for their cutting-edge technology and commitment to advancing the field of electronics.
Conclusion
The BU941ZT from STMicroelectronics stands as a reliable backbone for high-voltage automotive systems. With 15A current handling, 350V tolerance, and robust TO-220 packaging, this NPN Darlington transistor is engineered for extreme environments and mission-critical roles.
