东芝TLP620替代群芯微驱动光电耦合器QX814美林美深

群芯微 QX814 是一款由发光二极管和光电晶体管组成的光电耦合器，采用四引脚封装，有 DIP、DIP-M、SMD 三种形式，符合 CQC 认证、UL 认证、VDE 认证。以下是其详细参数：
电气特性
输入特性：
正向电压：在规定的正向电流下，发光二极管的正向电压相对较低，这有助于降低输入功耗。虽然具体数值未明确给出，但通常在 1.2V 到 1.4V 左右。
正向电流：一般为 5mA 到 10mA，较小的输入电流即可使光耦正常工作，便于与各种低功耗的控制电路相连接。
输出特性：
集电极 - 发射极击穿电压：≥80V，较高的击穿电压使得输出端能够承受一定的电压冲击，提高了光耦的稳定性和可靠性。
电流传输比：CTR 范围≥20%（=±1mA，=5V），电流传输比是光耦的重要参数，它表示输入电流与输出电流之间的比例关系，该数值确保了输入信号与输出信号之间的有效耦合和准确转换。
Forward voltage: In the specified forward current, the forward voltage of the LED is relatively low, which helps to reduce the input power consumption. Although the exact number is not explicitly given, it is usually around 1.2V to 1.4V.
Forward current: generally 5mA to 10mA, small input current can make the optocoupler work normally, easy to connect with a variety of low-power control circuits.
Output characteristics:
Collector-emitter breakdown voltage: ≥80V, the higher breakdown voltage makes the output side can withstand a certain voltage impact, improve the stability and reliability of the optocoupler.
Current transmission ratio: CTR range ≥20% (=±1mA, =5V), the current transmission ratio is an important parameter of optocoupler, it represents the proportional relationship between the input current and the output current, the value ensures the effective coupling and accurate conversion between the input signal and the output signal.

光学特性
发光波长：内部采用 GaAs 红外发光二极管作为发光源，其发光波长一般在 940nm 左右，该波长的光具有较高的发光效率和较好的光电转换性能，能够有效地实现光信号的传输和耦合。
响应时间：虽未明确具体数值，但在实际应用中，其响应时间较短，能够快速地对输入信号进行响应，确保信号的快速传输和处理。
Luminous wavelength: the internal use of GaAs infrared light-emitting diode as a light source, its luminous wavelength is generally about 940nm, the wavelength of light has a high luminous efficiency and better photoelectric conversion performance, can effectively achieve the transmission and coupling of optical signals.
Response time: Although the specific value is not clear, in practical applications, its response time is short, and it can quickly respond to the input signal to ensure the rapid transmission and processing of the signal.

隔离特性
输入 - 输出隔离电压：=5000V rms，高隔离电压有效地实现了输入电路与输出电路之间的电气隔离，能够防止不同电路之间的电气干扰，提高了系统的安全性和可靠性。
绝缘电阻：输入级与输出级之间的绝缘电阻较高，通常在Ω 以上，这进一步增强了输入输出之间的隔离效果，减少了漏电流的影响。
工作温度范围
能够在 - 55℃至 110℃的宽温度范围内稳定工作，在不同的环境温度下，其电气特性和光学特性的变化较小，具有良好的温度稳定性，可满足各种工业、汽车电子、家电等领域的应用需求。
封装特性
封装形式：采用四引脚封装，有 DIP（双列直插式封装）、DIP-M（改进型双列直插式封装）、SMD（表面贴装封装）三种形式，用户可以根据实际应用需求选择合适的封装形式。
封装尺寸：不同封装形式的尺寸略有不同，但总体上具有体积小、引脚间距小等特点，便于安装和焊接，适用于高密度电路板的设计和应用。
认证信息
CQC 认证：编号为 CQC19001227486，符合 GB 4943.1-2011/GB 8898-2011 标准。
UL 认证：编号为 20191028-E509768，符合 UL1577 标准。
VDE 认证：编号为 40051490，符合 DIN EN60747-5-5（VDE0884-5）/DIN EN62368-1（VDE0868-1）标准。
Input-output isolation voltage: =5000V rms, the high isolation voltage effectively realizes the electrical isolation between the input circuit and the output circuit, can prevent electrical interference between different circuits, and improve the safety and reliability of the system.
Insulation resistance: The insulation resistance between the input stage and the output stage is high, usually above Ω, which further enhances the isolation effect between the input and output and reduces the influence of leakage current.
Operating temperature range
It can work stably in a wide temperature range of -55 ° C to 110 ° C, and has small changes in its electrical and optical characteristics under different ambient temperatures, and has good temperature stability, which can meet the application needs of various industries, automotive electronics, home appliances and other fields.
Package characteristics
Package form: Four-pin package, DIP (double in-line package), DIP-M (improved double in-line package), SMD (surface mount package) three forms, users can choose the appropriate package form according to the actual application needs.
Package size: The size of different package forms is slightly different, but it has the characteristics of small volume, small pin spacing, etc., which is easy to install and weld, and is suitable for the design and application of high-density circuit boards.
Authentication information
CQC certification: the number is CQC19001227486, in line with GB 4943.1-2011/GB 8898-2011 standard.
UL Certification: No. 20191028-E509768 complies with UL1577 standard.
VDE Certification: No. 40051490 according to DIN EN60747-5-5 (VDE0884-5) /DIN EN62368-1 (VDE0868-1).

审核编辑 黄宇