探索达林顿光耦与晶体管光耦的区别
在现代电子技术中，光耦是一种广泛应用的电子元件，它通过光信号实现电气隔离，保证信号传输的安全性和完整性。光耦合器的种类繁多，本文将重点探讨两种常见类型：达林顿光耦和晶体管光耦的区别。
结构的差异
晶体管光耦主要由发光二极管（LED）和光电三极管（Phototransistor）组成，有时还会加入一个晶体管以增强其功能。其基本结构相对简单，主要利用光电效应和晶体管的放大特性来实现电信号的隔离与传输。
▲晶体管光耦系列
达林顿光耦则是在普通光耦的基础上增加了一个达林顿放大器，通常是一个PNP型晶体管或NPN型晶体管与光敏三极管组合而成。这种结构使得达林顿光耦在信号放大和控制方面具有更强的能力。
▲达林顿光耦系列
工作原理的异同
晶体管光耦：工作原理直观明了——LED在外加电压驱动下发光，光线触发光电三极管导通，进而产生相应的电信号输出。此过程实现了输入与输出信号间的电气隔离，确保了信号传输的安全性。
达林顿光耦：其工作原理与晶体管光耦相似，但凭借内置的达林顿放大器，能够对微小输入信号进行有效放大，同时保证输出信号的显著增强。这一特性使得达林顿光耦在小信号处理与控制领域展现出独特优势。
性能特点区别
电流放大能力：达林顿光耦的电流放大倍数远高于晶体管光耦，适合驱动较大电流的应用场景。
响应速度：晶体管光耦的响应速度较快，适合高速信号传输，而达林顿光耦的响应速度相对较慢，但可以提供更高的输出电流。
应用场景：晶体管光耦适用于低电流、快速响应的场合，如数字电路和通信设备；达林顿光耦则适用于高电流、对响应速度要求不高的场合，如大功率电源和电机驱动。
综上所述，在选择光耦时，需紧密结合实际应用场景的需求，权衡电流放大能力、响应速度等因素，精准匹配合适的光耦，以实现电路设计的最优化，提升系统整体性能与可靠性。
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本文由ll转载自晶台光耦公众号，原文标题为:探索光耦：达林顿光耦与晶体管光耦的区别，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。
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晶体管光耦是一种通过光信号传输信号的电子元件。其基本结构包括一个发光二极管（LED）和一个光接收器（通常为晶体管）。发光二极管通过光信号驱动晶体管的开关，从而完成电气隔离。由于光耦合器没有直接的电气连接，它能够有效避免电气噪声和干扰，尤其适用于高频电源系统。
群芯微（Qunxin Microelectronics）晶体管光耦
型号- QX1012,QX4N27-CUL-S,Q357,QX1010,QX3H7F-CUH-S,QX357F-CUH-S,QX1019,QX1018,QX4N35,QX4N27-CUL-M,QX817D-FEL-S,QX4N37,QX4N36,QX1014,QX1013-CUH-L,QX4N37-CUH-S,QX1013,QX4N38,QX357,QX827-CUH-S,QX817-CUL-M,QX4N27-CUL-D,QX4N37-CUH-M,QX817D-FEL-M,QX1019-CUH-L,QX356C-CUH-S,QX817Q-CUL-D,QX817D-FEL-D,QX817-CUL-S,QX4N37-CUH-D,QX817A-FEH-M,QX817C-CUH-D,QX816D-CUH-SY,QX356D-CUH-ST,QX817A-FEH-S,QX827-CUH-M,QX4N26,QX4N25,QX816D-CUH-ST,QX4N28,QX4N27,QX817B-FEH-D,QX851-CUL-S,QX817C-CUH-S,QX1010-CUL-L,QX817C-CUH-M,QX356D-CUH-SY,QX354A,QX354B,QX817B-FEH-S,QX851-CUL-D,QX817B-CUH-D,QX3H7,QX4N38-CUH-D,QX357A-CUH-S,QX1018-CUH-L,QX817,QX851-CUL-M,QX814,QX101X,QX817B-FEH-M,QX3H7A-CUH-S,QX4N38-CUH-M,QX356D1,QX357F,QX356D2,QX817B-CUH-S,QX4N38-CUH-S,QX814B-CUL-D,QX357A,QX357B,QX357C,QX817B-CUH-M,QX357D,QX814B-CUL-M,QX357E,QX817C-FEL-S,QX1020,QX814B-CUL-S,QX354X,QX4N28-CUL-S,QX3H4B-CUH-S,QX827,QX826,QX4N28-CUL-M,QX817A-CUL-D,QX354B-CUH-S,QX817-CUL-D,QX817C-FEL-D,QX816D-CUH-DY,QX3H7-CUH-S,QX4N28-CUL-D,QX817A-CUL-M,QX1012-CUH-L,QX816D-CUH-DT,QX356C,QX817C-FEL-M,QX817A-CUL-S,QX357X,QX817D-CUH-M,QX814A-CUL-M,QX817D-CUH-S,QX817C-FEH-D,QX814A-CUL-D,QX4N25-CUL-M,QX826-CUH-M,QX817Q-FEL-M,QX817Q-FEL-D,QX817D-CUH-D,QX826-CUH-D,QX4N26-CUL-M,QX356X,QX1017-CUH-L,QX817-FEH-M,QX817L-CUL-M,QX357B-CUH-S,QX817Q-FEL-S,QX3H7B-CUH-S,QX4N26-CUL-S,QX826-CUH-S,QX3H7E-CUH-S,QX817-FEH-S,QX817L-CUL-S,QX4N26-CUL-D,QX817-FEH-D,QX814A-CUL-S,QX817L-FEH-D,QX4N35-CUH-M,QX814B,QX4N25-CUL-D,QX814A,QX4N35-CUH-D,QX816C-CUL-S,QX816B-CUL-M,QX3H7D-CUH-S,QX1014-CUH-L,QX816B-CUL-S,QX816B-CUL-D,QX357E-CUH-S,QX4N25-CUL-S,QX817L-FEH-M,QX4N35-CUH-S,QX817L-FEH-S,QX817L-CUL-D,QX1020-CUH-L,QX816D-CUL-MY,QX816D-CUL-MT,QX817Q-CUH-M,QX4N36-CUH-S,QX817Q-CUH-S,QX4N36-CUH-D,QX3H7C-CUH-S,QX816C-CUL-M,QX4N36-CUH-M,QX357D-CUH-S,QX816C-CUL-D,4NXX,QX4N37-CUL-S,QX816B,QX816C,QX4N37-CUL-M,QX1013-CUL-L,QX4N27-CUH-S,QX817D-FEH-M,QX817-CUH-S,QX4N37-CUL-D,QX817-CUH-M,QX357C-CUH-S,QX827-CUL-M,QX4N27-CUH-M,QX817D-FEH-S,QX817D-FEH-D,QX1019-CUL-L,QX827-CUL-S,QX817Q-CUH-D,QX4N27-CUH-D,QX1010-CUH-L,QX817A-FEL-D,QX817A-FEL-M,QX827-CUL-D,QX817C-CUL-S,QX817A-FEL-S,QX817C-CUL-M,QX817C-CUL-D,QX3H4A,QX3H4B,QX1018-CUL-L,QX354A-CUH-S,QX851-CUH-M,QX817B-CUL-D,QX817B-FEL-M,QX817X,QX4N38-CUL-D,QX814B-CUH-D,QX817B-FEL-D,QX3H4A-CUH-S,QX851-CUH-S,QX817B-CUL-M,QX814B-CUH-M,QX817B-CUL-S,QX4N38-CUL-S,QX816D-CUH-MY,QX814B-CUH-S,QX817B-FEL-S,QX851-CUH-D,QX817A,QX817B,QX817-CUH-D,QX1012-CUL-L,QX817C,QX817D,QX816D-CUH-MT,QX816X,QX817A-CUH-D,QX4N28-CUH-S,QX4N28-CUH-M,QX817Q,QX817A-CUH-M,QX4N28-CUH-D,QX817C-FEH-M,QX817A-CUH-S,QX817C-FEH-S,QX817L,QX4N38-CUL-M,QX814A-CUH-S,QX817Q-FEH-D,QX3H4X,QX814A-CUH-M,QX817D-CUL-M,QX814A-CUH-D,QX817Q-FEH-S,QX827-CUH-D,QX826-CUL-D,QX817Q-FEH-M,QX817-FEL-M,QX817A-FEH-D,QX817L-CUH-S,QX816D-CUL-SY,QX826-CUL-S,QX4N26-CUH-S,QX8801B,QX8801C,QX817-FEL-S,QX8801A,QX826-CUL-M,QX816D-CUL-ST,QX1017-CUL-L,QX4N26-CUH-D,QX817-FEL-D,QX8801A-CUH-S,QX4N26-CUH-M,QX4N25-CUH-M,QX817L-FEL-D,QX4N35-CUL-D,QX4N25-CUH-D,QX816B-CUH-D,QX817L-FEL-S,QX1014-CUL-L,QX816B-CUH-M,QX817L-CUH-D,QX851,QX3H7X,QX4N35-CUL-S,QX817L-CUH-M,QX816B-CUH-S,QX4N35-CUL-M,QX8801B-CUH-S,QX4N25-CUH-S,QX817L-FEL-M,QX3H7C,QX3H7D,QX817Q-CUL-M,QX8801X,QX3H7E,QX3H7F,QX4N36-CUL-S,QX816C-CUH-D,QX4N36-CUL-M,QX816D2,QX817Q-CUL-S,QX816D1,QX3H7A,QX3H7B,QX816C-CUH-S,QX8801C-CUH-S,QX817D-CUL-S,QX817D-CUL-D,Q357-CUH-S,QX816C-CUH-M,QX816D-CUL-DY,QX1020-CUL-L,QX4N36-CUL-D,QX816D-CUL-DT
晶台（Kinglight）光耦产品选型指南（中英文）
描述- ●晶台，成立于2008年，是专业从事光电半导体器件研发、生产、销售的国家高新技术企业。 ●KINGLIGHT, established in 2008, is a high-tech enterprise specializing in the research & development, production and sales of optoelectronic semiconductor devices.
型号- KL4N29,KL3082-P5,KL4N28,KL341P,KL4N27,KLM611,KLM456,KLM453,KL341W,KL625A,KLM452,KLR1223,KLM3022,KLM3023,KLM3024,KL3150,KL4N33,KL816,KL4N32,KL817,KL3053-P5,KL4N31,KL3H4,KL4N30,KL4N37,KL3033,KL4N36,KL1010,KL814,KL4N35,KL3031,KL815,KL354N,KL3032,KL1012,KL1014,KL1013,KL4N38,KL2501,KL1010H,KL3012-P5,KL3H7,KL1018,KL3033-P5,KL1017,KL1019,KLR1213,KLT3023,KLT3022,KL440A,KL8171,KL860A,KLT3021,KLW3120,KL3041,KL101L,KLH11L2,KLH11L1,KL825,KL606A3,KL3H7HT,KL3042,KLH11L3,KL3043,KLM611H,KLS3150,KL3H7L,KLR2213,KL3022-P5,KL357,KL3051-P5,KL3H7U,KLM3082,KLM3083,KL3011,KLM3084,KL3012,KL3010,KL2200,KL340P,KL1110,KL2202,KL1113,KL2201,KL1112,KL814A,KLM600,KL3062-P5,KLM601,KL1114,KL1117,KL1116,KL3031-P5,KL1119,KL1118,KLCNY17F,KL406A,KL340W,KLT3083,KLT3082,KLT3081,KL640A,KL3042-P5,KL3140,KL4N26,KL3022,KL4N25,KL3023,KL3020,KL3021,KL3011-P5,KLM80L,KLR0213,KL3063-P5,KL354NB,KL354NA,KL852,KL452,KL3043-P5,KLT3053,KLT3052,KL851,KLT3051,KLM3062,KLM3063,KLM3064,KL3081-P5,KL606A,KLM81L,KL840A,KLR2223,KLM3054,KLT3061,KL3081,KL460A,KLT3063,KL3023-P5,KLT3062,KL3082,KLM453H,KL3083,KLM3052,KL3120,KLM453L,KLM3053,KL101U,KL3061-P5,KL357NH,KL2514,KL480P,KL3032-P5,KL425A,KL817L,KL480W,KLR3223,KL817H,KLM3043,KL357NU,KLM3044,PN SERIES,KL3041-P5,KL3051,KL357NL,KL3052,KL3053,KLM3042,KL3010-P5,KL3083-P5,KL3H4A,KLS3120,KL481P,KL3H4B,KL481W,KLR0223,KLR3213,KL660A,KL155E,KLT3043,KLT3042,KL3021-P5,KLT3041,KL3062,KL3052-P5,KL3063,KL6N135,KL6N136,KL3061,KL6N137,KL6N138,KL6N139
群芯微（Qunxin Microelectronics）光耦产品选型表
型号- QX1012,Q357,QX7720-CUH-D,QX1010,QX2033-CUL-S,QX1019,QX2033-CUL-M,QX172-CUH-S,QX1018,QX7720-CUH-M,QX1017,QX1014,QX1013,QX2063-CUH-S,QX7720-CUH-S,QX155-CUL-S,QX2033-CUL-D,QX2063-CUH-M,QX6N137-CUH-D,QX2063-CUH-D,QX6N137-CUH-M,QX852-CUL-M,QX582-CUH-M,QX6N137-CUH-S,QX356D-CUH-ST,QX582-CUH-S,〇X3Q33-CUL-S,QX817B-FEH-D,QX815-CUH-M,QX582-CUH-D,QX356D-CUH-SY,QX815-CUH-D,QX3213,QX817B-FEH-S,QX817B-CUH-D,QXM3033-CUH-S,QX2213-CUH-M,QX3042-CUH-M,QX4N38-CUH-D,QX2213-CUH-S,QXY25,QX817B-FEH-M,QX3H7A-CUH-S,QX815-CUH-S,QX3042-CUH-D,QXM3020-CUH-S,QX4N38-CUH-M,QX3012-CUL-S,QX817B-CUH-S,QX215-CUH-S,〇X1213-CUH-M,QX4N38-CUH-S,QX814B-CUL-D,QX3012-CUL-M,QX2213-CUH-D,QX817B-CUH-M,QX814B-CUL-M,QX3042-CUH-S,QX2020-CUL-D,QX341-CUH-W,QX6N437-CUH-W,QX1020,QX814B-CUL-S,QX3H4B-CUH-S,QXW721-CUL-W,QX341-CUH-P,QX817A-CUL-D,QXW721-CUL-P,QX222-CUL-S2,QX816D-CUH-DY,QX2020-CUL-S,QX817A-CUL-M,QX214-CUL-D,QX2020-CUL-M,QX1012-CUH-L,QXM721-CUL-S,QX816D-CUH-DT,QX214-CUL-M,QX4N33-CUH-D,QXIOIO-CUL-D,QX480-CUL-W,QXY25-CUH-M,QX531-CUH-D,QX480-CUL-P,QX4N33-CUH-M,QXM3041-CUH-S,〇X212-CUL-M,QXY25-CUH-D,QXW723,QX4N33-CUH-S,QX531-CUH-M,QX6N135,QX6N136,QX6N137,〇X212-CUL-S,QXW720,QXW721,QX531-CUH-S,QX2082-CUH-M,QX1017-CUH-L,QX3063-CUH-S,QX2062-CUL-S,〇X826-CUH-S,QX3223,QX3020-CUL-M,〇XM3Q42-CUH-S,QX35Q-CUH-M,QX2062-CUL-M,QX3063-CUH-D,QX3020-CUL-D,QX3063-CUH-M,QX2062-CUL-D,QX523-CUH-D,QX817L-FEH-D,QX3010-CUH-M,QXM601,QX4N25-CUL-D,QX2041-CUL-S,QX553-CUH-M,QX553-CUH-S,QX3010,QX3011,QX3010-CUH-D,QX3012,QX816C-CUL-S,QX523-CUH-S,QX2041-CUL-D,〇X817D-FEL-M,QX523-CUH-M,QX4N25-CUL-S,QX817L-FEH-M,QX4N25-CUL-M,QX817L-FEH-S,QX2023-CUH-S,QX3010-CUH-S,QXW501,QX2041-CUL-M,QX553-CUH-D,QX1020-CUH-L,QX2012-CUL-M,QX1223-CUL-D,QX552-CUH-D,QX2012-CUL-S,QX817Q-CUH-S,QX816C-CUL-M,QX1223-CUL-S,QX4506-CUH-M,QX552-CUH-S,QX2052-CUH-S,QX2012-CUL-D,QX552-CUH-M,QX357D-CUH-S,QX1223-CUL-M,QX816C-CUL-D,QXY25-CUH-S,QX4506-CUH-S,QX752,QX155-CUH-S,QX357C-CUH-S,QX827-CUL-S,QX817Q-CUH-D,QX3051-CUH-M,QX3223-CUL-S,〇X212-CUL-M2,QX3051-CUH-S,QX3051-CUH-D,QX212-2,QX827-CUL-D,QX3223-CUL-M,QX522,QX3223-CUL-D,QX523,QX815-CUL-D,QX520,QX521,QX815-CUL-S,QX2021-CUH-M,QX543-CUL-D,QX0721-CUH-S,QX340-CUL-W,QX815-CUL-M,QX814B-CUH-D,QX543-CUL-M,QX3H4A-CUH-S,QX340-CUL-P,QX533,QX531,QX814B-CUH-M,QX532,QX814B-CUH-S,QX816D-CUH-MY,QXM3083-CUH-S,QX341-CUL-W,QX2021-CUH-S,QXW721-CUH-W,QX2020-CUH-D,QX2083-CUL-D,QX816D-CUH-MT,QX532-CUH-D,QX214-CUH-D,QXW721-CUH-P,QX2020-CUH-M,QX2083-CUL-M,QX214-CUH-M,QX542,QX2083-CUL-S,QX543,QX541,QX2020-CUH-S,QX532-CUH-S,QX817C-FEH-M,QX214-CUH-S,QX817C-FEH-S,QX532-CUH-M,QX6N437-CUL-W,QXY25-CUL-D,QXM481-CUH-S,QX214-CUL-S,QX551-CUL-D,QX1213,QX480-CUH-P,QX551-CUL-M,QXM3021-CUH-S,QXM720-CUL-S,QX551-CUL-S,QX3063-CUL-S,〇X817〇-CUL-D,QX817L-CUH-S,QX3043-CUH-S,QX0213-CUH-S,QX2062-CUH-S,QX0213-CUH-M,QX2022-CUL-D,QX2062-CUH-M,QX3063-CUL-D,QX0213-CUH-D,QX3043-CUH-D,QX3043-CUH-M,QX3063-CUL-M,QX2062-CUH-D,QX3062-CUL-S,QX553-CUL-D,QX222-CUL-M,QX4504,QX817L-FEL-D,QX4506,〇X45Q6-CUH-D,QX3010-CUL-D,QX553-CUL-M,QX553-CUL-S,QX817L-FEL-S,QX2023-CUL-S,QX817L-CUH-D,QX222-CUL-D,QX481-CUH-P,QX817L-CUH-M,QX3010-CUL-S,QX0601-CUH-S,QX481-CUH-W,QX3062-CUL-M,QX817L-FEL-M,QX3010-CUL-M,QX552-CUL-D,QX2012-CUH-S,〇X543-CUH-S,QX817Q-CUL-S,QX1223,QX552-CUL-S,QXY25-CUL-S,QX8801C-CUH-S,QX2012-CUH-D,QX552-CUL-M,QX0723-CUL-S,QXY25-CUL-M,QX816D-CUL-DY,QX2012-CUH-M,QX4N33,QX0723,QX4N32,QX4N35,QX0721,QX532-CUL-S,QX0720,QX4N37,QX4N36,QX4N37-CUH-S,QX4N38,QX827-CUH-S,〇X3Q21-CUL-D,QX4N37-CUH-M,QX350,QX2053-CUL-D,QX6N13S-CUH-D,QX4N37-CUH-D,QX4N29,QX7723-CUL-M,QX827-CUH-D,QX216-CUH-D,QX3051-CUL-M,QX816D-CUH-SY,QX562-CUH-D,QX216-CUH-M,QX4N26,QX216-CUH-S,QX7723-CUL-S,QX4N25,QX816D-CUH-ST,QX3051-CUL-D,QX4N28,QX4N27,QX452-CUH-S,QX562-CUH-S,QX4N31,QX4N30,QX3051-CUL-S,QX7723-CUL-D,QX562-CUH-M,QX340-CUH-P,QX583-CUH-M,QX2021-CUL-D,QX543-CUH-M,QX0501,QX340-CUH-W,QX583-CUH-S,QX356D1,QX356D2,QX3081-CUH-D,QX4N32-CUH-M,QX4N32-CUH-S,〇X522-CUL-D,QX4N32-CUH-D,QX2021-CUL-M,QX543-CUH-D,QX583-CUH-D,QX3081-CUH-S,QX2083-CUH-D,QX2032-CUL-S,QX752-CUH-M,QX2032-CUL-M,QX7721-CUH-M,QX2083-CUH-M,QX752-CUH-S,QX3081-CUH-M,QX7721-CUH-D,QX2083-CUH-S,QX532-CUL-M,QX3H7-CUH-S,QX752-CUH-D,QX532-CUL-D,QXM3032-CUH-S,QX2032-CUL-D,QX7721-CUH-S,〇X222-CUH-D,QX3083-CUH-D,QX561-CUL-D,QX581-CUH-D,QX314,QX561-CUL-M,QX553,QX817Q-FEL-M,QX551,QX552,QX752-CUL-S,QX581-CUH-M,QX561-CUL-S,QX581-CUH-S,QX6N135-CUL-D,QX2022-CUH-D,QX357B-CUH-S,QX817Q-FEL-S,QXM720-CUH-S,QX3083-CUH-M,QX562,QX563,QX561,QX3083-CUH-S,QX2051-CUH-S,QX4N35-CUH-M,QX852-CUH-D,QX4800-CUL-D,QX825-CUH-S,QXB062-CUL-D,QX4N35-CUH-D,QX2051-CUH-D,QX3062-CUH-D,QX816B-CUL-M,QX4800-CUL-M,QX2081-CUH-M,QX4800-CUL-S,QX816B-CUL-S,QX816B-CUL-D,QX357E-CUH-S,QX212-CUH-D2,QX2081-CUH-S,QX3062-CUH-M,QX2051-CUH-M,QX4N35-CUH-S,QX3062-CUH-S,QX3033-CUH-S,QX816D-CUL-MY,QX816D-CUL-MT,QX2081-CUH-D,〇X543-CUL-S,QX825-CUH-M,QX582,QX340,QX583,QX341,QX3033-CUH-D,QX581,QX816P-CUL-DT,QX825-CUH-D,QX3033-CUH-M,QX4N37-CUL-S,QXM501,QX2061,QX3150,QX4N37-CUL-M,QX2062,QX2063,QX7720-CUL-D,QX2033-CUH-S,QX4N37-CUL-D,QX2033-CUH-M,QX7720-CUL-M,QX7720-CUL-S,QX2033-CUH-D,QX7723-
奥特光耦选型及应用介绍
作为70年代的新型产品，光耦在元器件市场纵横半世纪，经久不衰，目前它已成为种类最多、用途最广的光电器件之一。光电耦合器（Optocoupler）亦称光电隔离器，简称光耦。由于光耦以光为媒介传输电信号，它对输入、输出电信号有良好的隔离作用，因此它在各种电路中得到广泛的应用。本文介绍光耦应用。
可编程序控制器（PLC）使用光耦型号推荐——晶台KL357，电流转换率高达50~600%
光耦在可编程序控制器中通常用作电气隔离器件，用于隔离控制系统的输入信号和输出信号，保护控制系统和操作员的安全，并提高系统的可靠性和稳定性。PLC使用光耦型号推荐——SOP4晶体管光耦KL357，由苏州晶台光电有限公司开发的一款光电耦合器，由发光二极管和光电晶体管组成。
晶台KL101X系列晶体管光耦助力开关电源，4引脚LSOP封装，输入与输出高隔离电压5000Vrms
在现代电子设备中，开关电源（Switch Mode Power Supply，SMPS）以其高效能和紧凑性成为电源设计的主流选择。为了保障开关电源的高性能和可靠性，光耦的应用变得至关重要。本文晶台将介绍光耦在开关电源中的应用实力，并推荐性能优异的光耦型号KL101X系列。
强强联手共赢未来！苏州晶台光电授权世强硬创代理全线光耦产品
晶台光耦产品广泛应用于新能源汽车、储能逆变变频、伺服工控、工业控制、5G通讯、电力电网、家电安防等各行业，助力各行业创新发展。
SOP4封装的晶体管光耦KL357，电流转换率50~600%，输入与输出高隔离电压3750Vrms
晶台KL357系列包含一个红外发射二极管，光耦合到一个光电晶体管构成光电耦合器，采用4引脚小外形SMD封装的器件。产品电流转换率50~600% at IF=5mA, VCE=5V；输入与输出高隔离电压（Viso=3750Vrms）；采用紧凑型4引脚SOP，外形尺寸为4.4*4.1*2.0mm。
一文介绍隔离电压——光耦保障电路安全与性能的关键
在现代电子设备和系统中，电气隔离是保障电路稳定运行和安全的重要环节，而光耦（光电耦合器）则是实现这种隔离的核心元件之一。光耦的一个关键参数就是隔离电压，它不仅影响光耦的性能，还直接关系到设备的安全性和可靠性。本文晶台来为大家介绍隔离电压——光耦保障电路安全与性能的关键，希望对各位工程师朋友有所帮助。
群芯微（Qunxin Microelectronics）光电耦合器选型指南
目录- 企业介绍 应用领域 产品路线图示例 产品选型表 晶体管光耦 达林顿光耦 光继电器 可控硅光耦 高速光耦 （智能）栅极驱动光耦 智能功率模块接口光光耦 隔离运算放大器 品质保证 产品及体系认证 车规认证
型号- QX2223,QX0723,QX4N33,QX0601,QX1019,QX330J,QX1018,QX0721,QX0720,QXC79B,QX21X,QXC79A,QX2222,QX357,QX358,QX354,QXM343,QX350,QXM3011,QXM3012,QXM3013,QXM341,QXV25X,QX2213,QX308X,QX22X,QX58X,QX127,QXC53X,QXS258H,QX481,QXM3020,QXM3021,QX480,QXM456,QXM3022,QXM3023,QXC790,QXC87BT,QX3213,QXN6N139,QXX213,QX3H7,QX3H4,QX818,QX816,QX817,QX101X,QX814,QX0501,QX815,QXN6N137,QXN6N138,QX2122,QXN6N135,QXN6N136,QXM480,QXM481,QX333J,QXN261L,QXX223,QXN3150,QX331J,QX827,QX825,QX0611,QX826,QX332J,QXN201,QXN200,QX8801,QX075L,QXM3061,QXM3062,QX41X,QX2020,QX2021,QX53X,QX2022,QX2023,QXW723,QXM303X,QX314,QX553,QXN350,QX6N135,QX551,QX6N136,QX552,QX6N137,QX6N138,QX6N139,QXM3052,QXM3053,QXW720,QXW721,QXW601,QX074L,QXC87AT,QXY258H,QXN4506,QX1722,QXN4504,QX0511,QX0631,QX54X,QX42X,QX2011,QX0630,QX2012,QX2013,QX3223,QX562,QX563,QX561,QXM3063,QX3906,QXM304X,QX202X,QXM721,QX2601,QXN139,QXM601,QXM723,QX2041,QX2042,QX3010,QX2043,QX3011,QX3012,QX216,QX55X,QX217,QX214,QXC7723,QX215,QX212,QX337J,QXM301X,QX213,QX452,QXW60X,QXC7721,QX451,QXC7720,QXN135,QXN136,QXM3031,QXN137,QXM3032,QXM720,QXN138,QXM3033,QXW501,QX7723,QX201X,QXH87AT,QXM3051,QX4NXX,QX0534,QX3120,QX2031,QX7721,QX2032,QX2154,QX2033,QX0531,QX56X,QX7840,QX8016,QX227,QX0530,QX7720,QX33XJ,QXM302X,QX226,QX223,QX224,QX222,QX343,QX340,QX582,QX341,QX583,QXM3041,QX581,QXM3042,QXM3043,QXS259,QXS258,QXW611,QX204X,QX301X,QXM501,QXH87BT,QX3150,QX2061,QX2062,QX2063,QX3031,QX3032,QXM60X,QX3033,QX339J,QXV41X,QXC601,QX17X,QXH11L1,QXH11L2,QXH11L3,QXN825,QXN826,QXN827,QX203X,QXC70A,QXM611,QXH720,QX3140,QX2051,QX0314,QX2052,QX3020,QX2053,QX3021,QX3022,QX3023,QX522,QX523,QX520,QX521,QXY258,QXM308X,QXW511,QXY259,QXS25X,QX0341,QX303X,QXM3081,QXM3082,QXM3083,QX2083,QX3051,QX3052,QX3053,QX0223,QX0343,QX206X,QX415,QX533,QX252A,QX531,QX532,QXC501,QX3061,QXC740,QXC61L,QXM305X,6N137,QX205X,6N136,QX302X,QX2514,6N135,QX3041,QX52X,QX3042,QX3043,QX0213,QX316J,QX542,QX543,QX3H44,QXC611,QX541,QX2081,QX2082,QXY25X,QXM511,QXM306X,QXN3140,QXC4506,QXC4504,QX208X,QX1213,QX305X,QXV45X,QX3H74,QXV21X,QX155,QX33XJ系列,QX3081,QX41XS,QX3082,QX3083,QX304X,QX3062,QX3063,QXC511,QXC74L,H11L1,QXN7723,QX4504,QXN3120,QX4506,QXN7720,QXN7721,QX852,QX851,QX177,QX176,QX173,QXV252,QX174,QX6N437,QXV253,QXV254,QX172,QX25XA,QXV256,QXV258,QXH790,QXM314,QX306X,QX1223,QXC63X,QXC64L
揭秘施密特触发器光耦的构造、工作原理及特性
施密特触发器光耦（Schmitt Trigger Optocoupler）是一种将光耦和施密特触发器电路相结合的电子元件。它不仅具备光耦的电气隔离功能，还具备施密特触发器的噪声抑制和信号整形能力。本文将为您揭秘施密特触发器光耦的构造、工作原理及特性。
电子商城
现货市场
服务
提供CE测试服务，通过晶体回路匹配分析，给出测试报告。支持EPSON所有MHz无源晶体、32.768KHz晶体。支持到场/视频直播测试，资深专家全程指导。
实验室地址： 深圳/上海 提交需求>
测试范围：扬兴晶振全系列晶体，通过对晶体回路匹配分析，调整频率、驱动功率和起振能力，解决频偏、不起振、干扰、频率错误等问题。技术专家免费分析，测完如有问题，会进一步晶振烧录/修改电路。
实验室地址： 深圳 提交需求>
授权代理品牌：集成电路
授权代理品牌：分立元件
授权代理品牌：接插件及结构件
授权代理品牌：部件、组件及配件
授权代理品牌：电源及模块
授权代理品牌：电子材料
授权代理品牌：仪器仪表及测试配组件
授权代理品牌：电工工具及材料
授权代理品牌：机械电子元件
授权代理品牌：加工与定制
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