absolute maximum rating

简明释义

绝对最大额定值

英英释义

例句

1.Exceeding the absolute maximum rating can lead to catastrophic failure.

超过绝对最大额定值可能导致灾难性故障。

2.Always check the absolute maximum rating in the datasheet before using the component.

在使用组件之前，务必查看数据表中的绝对最大额定值。

3.The engineer explained the importance of the absolute maximum rating during the design phase.

工程师在设计阶段解释了绝对最大额定值的重要性。

4.Under normal conditions, the circuit operates well within its absolute maximum rating.

在正常条件下，电路的运行远低于其绝对最大额定值。

5.The device should not exceed its absolute maximum rating to avoid damage.

该设备不应超过其绝对最大额定值以避免损坏。

作文

In the world of electronics and engineering, understanding the specifications of components is crucial for ensuring reliability and performance. One of the key specifications that engineers must be aware of is the absolute maximum rating, which refers to the maximum limits of voltage, current, or power that a component can handle without sustaining damage. This concept is vital because exceeding these ratings can lead to catastrophic failures, including component destruction or even safety hazards. To illustrate the importance of the absolute maximum rating, consider a simple example involving a transistor. A transistor is a fundamental building block in electronic circuits, widely used for switching and amplification. Each transistor has specific absolute maximum ratings outlined in its datasheet, including maximum collector-emitter voltage (Vce), maximum collector current (Ic), and maximum power dissipation (Pd). If an engineer designs a circuit that allows the voltage across the transistor to exceed its absolute maximum rating of Vce, the transistor may fail, leading to circuit malfunction and potential damage to other components. The absolute maximum rating serves as a guideline for safe operation, but it is essential to note that these ratings are not the normal operating conditions. Instead, they represent the limits beyond which the device may be damaged. Engineers typically design circuits to operate well below these thresholds, incorporating safety margins to account for variations in manufacturing, environmental conditions, and unexpected surges in voltage or current. Moreover, the significance of the absolute maximum rating extends beyond individual components. In complex systems, such as power supplies or amplifiers, understanding the cumulative effects of multiple components’ ratings is crucial. For instance, if several components are connected in series or parallel, the overall system must be designed to ensure that no single component exceeds its absolute maximum rating. Failure to do so can compromise the entire system’s integrity and reliability.Additionally, the absolute maximum rating is not static; it can change based on the operating environment. Factors such as temperature, humidity, and mechanical stress can affect a component's ability to withstand electrical loads. Therefore, engineers must consider these variables when designing circuits and selecting components. For example, a capacitor may have an absolute maximum rating that is valid only at room temperature. If the capacitor operates in a high-temperature environment, its effective maximum voltage rating may decrease, necessitating the selection of a component with a higher absolute maximum rating to ensure reliable performance.In conclusion, the absolute maximum rating is a critical parameter in the design and application of electronic components. It helps engineers avoid damaging their components and ensures the safety and reliability of electronic systems. By adhering to these ratings and considering the various factors that influence them, engineers can create robust designs that perform reliably under a variety of conditions. Understanding and respecting the absolute maximum rating is not just a best practice; it is an essential aspect of responsible engineering that ultimately contributes to the advancement of technology and the safety of users.

在电子和工程的世界中，理解组件的规格对于确保可靠性和性能至关重要。工程师必须了解的关键规格之一是绝对最大额定值，它指的是组件在不造成损坏的情况下能够承受的电压、电流或功率的最大限制。这个概念至关重要，因为超过这些额定值可能导致灾难性的故障，包括组件破坏甚至安全隐患。为了说明绝对最大额定值的重要性，我们考虑一个简单的例子，涉及晶体管。晶体管是电子电路中的基本构件，广泛用于开关和放大。每个晶体管在其数据表中都有具体的绝对最大额定值，包括最大集电极-发射极电压（Vce）、最大集电极电流（Ic）和最大功耗（Pd）。如果工程师设计的电路使得晶体管上的电压超过其绝对最大额定值的Vce，晶体管可能会失效，导致电路故障并可能损坏其他组件。绝对最大额定值作为安全操作的指导方针，但需要注意的是，这些额定值并不是正常操作条件。相反，它们代表了设备可能遭受损坏的极限。工程师通常设计电路，使其运行在这些阈值之下，采用安全余量以应对制造、环境条件和意外电压或电流激增的变化。此外，绝对最大额定值的重要性超出了单个组件。在复杂系统中，例如电源或放大器，理解多个组件额定值的累积效果至关重要。例如，如果几个组件串联或并联连接，则整个系统必须设计以确保没有单个组件超过其绝对最大额定值。未能做到这一点可能会危及整个系统的完整性和可靠性。此外，绝对最大额定值并不是静态的；它可以根据工作环境而变化。温度、湿度和机械应力等因素都可能影响组件承受电负载的能力。因此，工程师在设计电路和选择组件时必须考虑这些变量。例如，电容器可能具有仅在室温下有效的绝对最大额定值。如果电容器在高温环境中工作，其有效最大电压额定值可能会降低，因此需要选择具有更高绝对最大额定值的组件，以确保可靠性能。总之，绝对最大额定值是电子组件设计和应用中的关键参数。它帮助工程师避免损坏组件，并确保电子系统的安全性和可靠性。通过遵循这些额定值并考虑影响它们的各种因素，工程师可以创建在多种条件下可靠运行的稳健设计。理解和尊重绝对最大额定值不仅是一种最佳实践；它是负责任的工程学的一个重要方面，最终促进了技术的进步和用户的安全。