各种电子元件符号大全各种电子元件符号稳压二极管变容二极管普通的二极管双向触发二极管表示符号:ZD,D 表示符号:D 表示符号:D 表示符号:D稳压二极管注:单向型TVS瞬态电压抑制二极桥式整流二极管管也是这个符号表示符肖特基二极管隧道二极管表示符号:D 号:ZD,D光敏二极管或光电接发光二极管双色发光二极管隧道二极管收二极管表示符号:LED 表示符号:LED光敏三极管或光电接收单结晶体管,双基极二NPN型三极管复合三极管三极管极管, 表示符号:Q,VT 表示符号:Q,VT 表示符号:Q,VT 表示符号:Q,VT带阻尼二极管NPN型PNP型三极管 PNP型三极管 NPN型三极管三极管表示符号:Q,VT 表示符号:Q,VT 表示符号:Q,VT 表示符号:Q,VT accident occurred, the direct punishment 0.5-10,000 yuan, responsible for the direct responsibilityfor the accident and the responsibility of leadership, such as concerning administrative sanctions should be dealt with by thepersonnel Department of the company. (3) personal injury accident occurs, the direct punishment 500-1000, who is directly responsible for the accident responsibility, give notice of criticism and 50-100 economic sanctions against them. (4) to conceal the accident, reported without undue delay or false, to inform the administrative leadership of the criticism, resulting in serious consequences, the pursuit of leadership,along with 500-1000 punishment. (5) significant near miss should be attempted as the case of responsible for the accident and construction team injuries accident penalty provisions, mutatis mutandis. Eight, should perform in the construction standards and specifications, serial number a 1 GB3323-2005 steel fusion welded butt joints, welding engineering-Ray lighting and quality rating of 2 GB11345-89 steel welds manual methods of ultrasonic inspection and testing results for grade 3 GB50236-2002 industrial pipe welding engineering code for construction and acceptance of field equipment 4 HGJ222-92 technical specificationfor welding of aluminium and its alloys 5 low temperature steel welding procedure 6 SH3525-2004 petrochemical JB/ T4708-2000 of welding procedure qualification for steel pressure vessels 7 JB/4709-2000 8JB4730-2005 pressure vessel welding procedures of steel pressure vessel NDT 9 JB/T4744-2000 steel pressure vessel products mechanical properties test of welded plate II, mechanical equipment installation engineering 1 GB150-98 2 GB50128-2005 vertical cylindrical steel pressure vessel steel welded tank code for construction and acceptance双向型 TVS瞬态电压带阻尼二极管及电阻带阻尼二极管IGBT 场抑制二极管NPN型三极管 IGBT 场效应管效应管表示符号:Q,VT 表示符号:Q,VT 表示符号:Q,VT接面型场效应管接面型场效应管场效应管增强型场效应管增强型N-MOS P-JFET N-JFET P-MOS场效应管耗尽型场效应管耗尽型电阻电阻器或固定电电阻电阻器或固定电阻P-MOS N-MOS 阻表示符号:R 表示符号:R电位器可调电阻或微调电阻可调电阻或微调电阻电位器表示符号:VR~RP,W 表示符号:VR~RP,W 表示符号:VR~RP,W 表示符号:VR~RP,W三脚消磁电阻二脚消磁电阻压敏电阻热敏电阻表示符号:RT 表示符号:RT 表示符号:RZ,VAR 表示符号:RT accident occurred, the direct punishment0.5-10,000 yuan, responsible for the direct responsibility for the accident and the responsibility of leadership, such as concerning administrative sanctions should be dealt with by the personnel Department of the company. (3) personal injury accident occurs, the direct punishment 500-1000, who is directly responsible for the accident responsibility, give notice of criticism and 50-100 economic sanctions against them. (4) to conceal the accident, reported without undue delay or false, to inform the administrative leadership of the criticism, resulting in serious consequences, the pursuit of leadership, along with 500-1000 punishment. (5) significant near miss should be attempted as the case of responsible for the accident and construction team injuries accident penalty provisions, mutatis mutandis. Eight, should perform in the construction standards and specifications, serial number a 1 GB3323-2005 steel fusion welded butt joints, welding engineering-Ray lighting and quality rating of 2 GB11345-89 steel welds manual methods of ultrasonic inspection and testing results for grade 3 GB50236-2002 industrial pipe welding engineering code for construction and acceptance of field equipment 4 HGJ222-92 technical specification for welding of aluminium and its alloys 5 low temperature steel welding procedure 6SH3525-2004 petrochemical JB/ T4708-2000 of welding procedure qualification for steel pressure vessels 7 JB/4709-2000 8 JB4730-2005 pressure vessel welding procedures of steel pressure vessel NDT 9JB/T4744-2000 steel pressure vessel products mechanical properties test of welded plate II, mechanical equipment installation engineering 1GB150-98 2 GB50128-2005 vertical cylindrical steel pressure vessel steel welded tank code for construction and acceptance电容,有极性电容, 电容,有极性电容, 光敏电阻可调电容表示符号: 表示符号:C CDS 表示符号:C电容器,无极性电容, 半导体放电管,固体放电四端光电光电耦合器六端光电光电耦合器表示符号:C 管, 表示符号:IC~N 表示符号:IC~N晶振石英晶体振荡器单向可控硅(晶闸管) 双向可控硅(晶闸管) 双向可控硅(晶闸管) 表示符号:X二三端端石英晶体谐振器 ,晶石英晶体谐振器,晶振,振, 单列集成电路双列集成电路陶瓷滤波器陶瓷滤波器表示符号:IC或U 表示符号:IC或U 表示符号:X 表示符号:X运算放大器倒相放大器 AND gate 非门 OR gate 或门 accident occurred, the direct punishment 0.5-10,000 yuan, responsible for the direct responsibility for the accident and the responsibility of leadership, such as concerning administrative sanctions should be dealt with by the personnel Department of the company. (3) personal injury accident occurs, the direct punishment 500-1000, who is directly responsible for the accident responsibility, give notice of criticism and 50-100 economic sanctions against them. (4) to conceal the accident, reported without undue delay or false, to inform the administrative leadership of the criticism, resulting in serious consequences, the pursuit of leadership, along with 500-1000 punishment. (5) significant near miss should be attempted as the case of responsible for the accident and construction team injuries accident penalty provisions, mutatis mutandis. Eight, should perform in the construction standards and specifications, serial number a 1 GB3323-2005 steel fusion welded butt joints, welding engineering-Ray lighting and quality rating of 2 GB11345-89 steel welds manual methods of ultrasonic inspection and testing results for grade 3 GB50236-2002 industrial pipe welding engineering code for constructionand acceptance of field equipment 4 HGJ222-92 technical specificationfor welding of aluminium and its alloys 5 low temperature steel welding procedure 6 SH3525-2004 petrochemical JB/ T4708-2000 of welding procedure qualification for steel pressure vessels 7 JB/4709-2000 8JB4730-2005 pressure vessel welding procedures of steel pressure vessel NDT 9 JB/T4744-2000 steel pressure vessel products mechanical properties test of welded plate II, mechanical equipment installation engineering 1 GB150-98 2 GB50128-2005 vertical cylindrical steel pressure vessel steel welded tank code for construction and acceptance保险管保险管NAND gate与非门 NOR gate 或非门表示符号:F 表示符号:F变压器永久磁铁电感带铁芯电感线圈表示符号:T 表示符号:L 表示符号:L继电器继电器线路输入端子按键开关扬声器电池或直流电源表示符号:S 双极开关AC交流电池或直流电源电流源特别重要的DC直流公共接地端恒压源恒流源 accident occurred, the direct punishment0.5-10,000 yuan, responsible for the direct responsibility for the accident and the responsibility of leadership, such as concerning administrative sanctions should be dealt with by the personnel Department of the company. (3) personal injury accident occurs, the direct punishment 500-1000, who is directly responsible for the accident responsibility, give notice of criticism and 50-100 economic sanctions against them. (4) to conceal the accident, reported without undue delay or false, to inform the administrative leadership of the criticism, resulting in serious consequences, the pursuit of leadership, along with 500-1000 punishment. (5) significant near miss should be attempted as the case of responsible for the accident and construction team injuries accident penalty provisions, mutatis mutandis. Eight, should perform in the construction standards and specifications, serial number a 1 GB3323-2005 steel fusion welded butt joints, welding engineering-Ray lighting and quality rating of 2 GB11345-89 steel welds manual methods of ultrasonic inspection and testing results for grade 3 GB50236-2002 industrial pipe welding engineering code for construction and acceptance of field equipment 4 HGJ222-92 technical specification for welding of aluminium and its alloys 5 low temperature steel welding procedure 6SH3525-2004 petrochemical JB/ T4708-2000 of welding procedure qualification for steel pressure vessels 7 JB/4709-2000 8 JB4730-2005 pressure vessel welding procedures of steel pressure vessel NDT 9JB/T4744-2000 steel pressure vessel products mechanical properties test of welded plate II, mechanical equipment installation engineering 1GB150-98 2 GB50128-2005 vertical cylindrical steel pressure vessel steel welded tank code for construction and acceptanceGND公共接地端信号源驻极体话筒符号 MC红外遥控一体化接收头天线accident occurred, the direct punishment 0.5-10,000 yuan,responsible for the direct responsibility for the accident and the responsibility of leadership, such as concerning administrative sanctions should be dealt with by the personnel Department of the company. (3) personal injury accident occurs, the direct punishment 500-1000, who is directly responsible for the accident responsibility, give notice of criticism and 50-100 economic sanctions against them. (4) toconceal the accident, reported without undue delay or false, to inform the administrative leadership of the criticism, resulting in serious consequences, the pursuit of leadership, along with 500-1000 punishment.(5) significant near miss should be attempted as the case of responsible for the accident and construction team injuries accident penalty provisions, mutatis mutandis. Eight, should perform in the construction standards and specifications, serial number a 1 GB3323-2005 steel fusion welded butt joints, welding engineering-Ray lighting and quality rating of 2 GB11345-89 steel welds manual methods of ultrasonic inspection and testing results for grade 3 GB50236-2002 industrial pipe welding engineering code for construction and acceptance of field equipment 4 HGJ222-92 technical specification for welding of aluminium and itsalloys 5 low temperature steel welding procedure 6 SH3525-2004 petrochemical JB/ T4708-2000 of welding procedure qualification forsteel pressure vessels 7 JB/4709-2000 8 JB4730-2005 pressure vessel welding procedures of steel pressure vessel NDT 9 JB/T4744-2000 steel pressure vessel products mechanical properties test of welded plate II, mechanical equipment installation engineering 1 GB150-98 2 GB50128-2005 vertical cylindrical steel pressure vessel steel welded tank code for construction and acceptance。