Typical Application Circuit and Parameters of TLP521-4(GB) The optical isolation module TLP521-4(GB) is a fixed-time optocoupler with exceptional base-emitter performance, offering outstanding conversion speed and high-temperature stability. Key features of this device include a current transfer ratio ranging from 100% to 500%, an isolation voltage of at least 2500Vrms, a breakdown voltage of 55V, a maximum leakage current of 10μA (at Ta = 85°C), and a minimal conversion time of 42μs. This optocoupler is commonly used in various applications due to its reliability and efficiency. A typical application circuit for the TLP521-4(GB) is illustrated in Figure 1 below. From Table 1, we can observe that the maximum transmission delay time for this device is 42μs. If the system requires completing 8 bytes of data reading or writing within 1 millisecond, the TLP521-4(GB) easily meets the necessary timing constraints, ensuring seamless long-distance communication. By controlling the input, the optocoupler can be toggled between on and off states as required. Applying a high-level signal to the input control pin allows the optocoupler to operate normally, coupling the input signal to the output terminal. Conversely, applying a low-level signal shuts off the output's open-collector transistor, creating an external high-impedance state. In addition to its robust performance, the TLP521-4(GB) also offers significant advantages in terms of power consumption and compact design. This makes it particularly suitable for space-constrained environments such as automotive electronics, industrial automation, and consumer electronics. Furthermore, its ability to withstand high voltages ensures safe operation in noisy or harsh conditions, making it a reliable choice for critical applications. As technology continues to evolve, the TLP521-4(GB) remains a popular solution for engineers seeking a balance between performance and cost-effectiveness. Its compatibility with standard logic levels and wide operating temperature range further enhance its versatility. Whether you're designing a new project or upgrading existing systems, incorporating the TLP521-4(GB) can provide the performance boost needed to stay ahead in today’s competitive market. Overall, the TLP521-4(GB) is a well-rounded optocoupler that excels in both functionality and reliability. Its combination of fast response times, high isolation, and robust design make it an ideal choice for a variety of applications. Whether you're working on a small-scale prototype or a large-scale production run, this component is sure to deliver consistent results and contribute to the success of your project. Electric Test Pen ,Battery Detector,Circuit Tester,Voltage Test Pen YINTE TOOLS (NINGBO) CO., LTD , https://www.yinte-tools.com