Triac, SCR Output Optoisolators PC3SF11YVZAF DIP-6_5P-L7.3-W6.5-P2.54-LS10.2-BL-PE5 LCSC Part Number: C22003754 undefined Manufactured by Socle Technology Corporation

Transistor, Photovoltaic Output Optoisolators SFH6106-4T OPTO-SMD-4_L4.6-W6.5-P2.54-LS10.3-BL LCSC Part Number: C503261 JLCPCB Part Class: Extended Part Manufactured by VISHAY(威世)

Triac, SCR Output Optoisolators OR-M3053 SOP-4_L4.4-W3.9-P2.54-LS7.0-BL LCSC Part Number: C3031056 JLCPCB Part Class: Extended Part Manufactured by Orient(奥伦德)

Transistor, Photovoltaic Output Optoisolators HCPL-817-50BE SMD-4_L4.6-W6.5-P2.54-LS10.2-TL LCSC Part Number: C2927831 JLCPCB Part Class: Extended Part Manufactured by Broadcom/AVAGO(安华高)

SOP-4-2.54mm Transistor, Photovoltaic Output Optoisolators ROHS PC817C-S SOP-4_L6.5-W4.6-P2.54-LS10.3-TL LCSC Part Number: C3008369 JLCPCB Part Class: Extended Part Manufactured by UMW(友台半导体) The ESDA18-1K is a transient voltage suppression and electrostatic discharge protection device designed to protect sensitive electronic circuits from ESD events, surge transients, and electrical overstress conditions. Manufactured by STMicroelectronics and commonly used in communication and embedded electronic systems, this device provides fast-response protection for signal lines and low-voltage interfaces exposed to external electrical disturbances. The component utilizes low-capacitance TVS diode technology to clamp transient voltages while maintaining signal integrity on high-speed communication lines. It is optimized for protecting USB interfaces, GPIO lines, communication ports, sensor interfaces, and portable electronic devices from electrostatic discharge damage and transient spikes. The ESDA18-1K is widely used in industrial electronics, consumer devices, embedded systems, communication hardware, and portable equipment requiring compact and reliable ESD suppression. Its small surface-mount package enables easy integration into high-density PCB layouts while improving overall system reliability and EMC robustness. Engineering Specification Device Type Transient voltage suppression and ESD protection diode Protection Function Electrostatic discharge and surge transient suppression Protection Architecture Single-line TVS protection structure Response Characteristics Fast transient clamping response Signal Compatibility Suitable for low-voltage and high-speed signal interfaces Capacitance Characteristics Low capacitance for minimal signal distortion Electrical Performance Low leakage current and stable clamping behavior Reliability Features High ESD robustness and transient tolerance Mounting Style Surface mount technology Package Type Compact SOD-style surface-mount package Thermal Characteristics Low-power passive protection structure EMC Features Enhanced electromagnetic compatibility protection support Applications USB interface protection GPIO protection Communication interfaces Embedded systems Portable electronics Industrial control hardware Sensor interfaces Consumer electronics Signal line protection Data communication systems Manufacturer STMicroelectronics #commonpartslibrary #esdprotection #tvsdiode #transientprotection #signalprotection #stmicroelectronics #embeddedhardware #electronicsdesign

16V~30V DC SOP-6-6.8mm Logic Output Optoisolators ROHS Optocouplers - Phototransistor Output FOD8314TR2 SOP-6_L6.8-W4.6-P1.27-LS10.2-BL LCSC Part Number: C132718 JLCPCB Part Class: Extended Part Manufactured by onsemi(安森美)

10Mbit/s 20kV/uS DC SOP-5-4.4mm Logic Output Optoisolators - Phototransistor ROHS ELM611(TA) SOP-5_L4.1-W4.4-P1.27-LS7.0-BR LCSC Part Number: C364548 JLCPCB Part Class: Extended Part Manufactured by EVERLIGHT(亿光)

10V~30V 20kV/us DC SOIC-5-4.6mm Logic Output Optoisolators ROHS Optocouplers - Phototransistor Output TLP152(TPL,E OPTO-SMD_SO-5_L4.6-W3.7-P1.27-BR LCSC Part Number: C150122 JLCPCB Part Class: Extended Part Manufactured by TOSHIBA(东芝)

15Mbit/s 2.7V~5.5V 20kV/us DC SO-5 Logic Output Optoisolators ROHS TLP2361(TPL,E(T OPTO-SMD-5_L3.7-W4.6-P1.27-LS7.0-BR LCSC Part Number: C107626 JLCPCB Part Class: Extended Part Manufactured by TOSHIBA(东芝)

50mA 400V 1.15V Two-way thyristor SMD-6P Triac, SCR Output Optoisolators ROHS Optocouplers - Thyristor Signal Output MOC3021S-TA1 SMD-6_L7.3-W6.5-P2.54-LS10.2-BL LCSC Part Number: C115465 JLCPCB Part Class: Extended Part Manufactured by LITEON(光宝)

50mA 250mV@5mA,1.25mA 80V 5V 1.33V DC SOP-4-2.54mm Transistor, Photovoltaic Output Optoisolators RoHS LCSC Part Number: C194679 JLCPCB Part Class: Extended Part Manufactured by VISHAY(威世)

35V 3.75kV 50mA 100mV@1mA,20mA 1 1.2V AC,DC SOP-4-2.54mm Transistor, Photovoltaic Output Optoisolators ROHS LTV-354T SOP-4_L3.6-W4.4-P2.54-LS7.0-TL LCSC Part Number: C2841485 JLCPCB Part Class: undefined Manufactured by UMW(友台半导体)

55V 5.3kV 400mV@2.4mA,8mA 4 6V 1.15V DC DIP-16 Transistor, Photovoltaic Output Optoisolators ROHS Optocouplers - Phototransistor Output TLP521-4GB DIP-16_L19.8-W6.5-P2.54-LS7.6-BL LCSC Part Number: C191698 JLCPCB Part Class: Extended Part Manufactured by ISOCOM(英国安数光)

80V 3.75kV 400mV@2.5mA,10mA 2 6V 1.2V DC SO-8 Transistor, Photovoltaic Output Optoisolators ROHS ELD207(TA) SO-8_L4.9-W3.9-P1.27-LS5.9-BL LCSC Part Number: C146234 JLCPCB Part Class: Extended Part Manufactured by EVERLIGHT(亿光)

80V 3.75kV 50mA 300mV@2mA,10mA 1 5V 1.25V DC SOP-4-2.54mm Transistor, Photovoltaic Output Optoisolators ROHS TLP185GB-S OPTO-SMD-4_L3.7-W4.6-P2.54-LS7.0-TL LCSC Part Number: C388375 JLCPCB Part Class: undefined Manufactured by UMW(友台半导体)

80V 3.75kV 50mA 400mV@2.4mA,8mA 1 5V 1.15V DC SOP-4-2.54mm Transistor, Photovoltaic Output Optoisolators ROHS TLP181GB-S SOP-4_L3.7-W4.6-P2.54-LS7.0-TL LCSC Part Number: C388374 JLCPCB Part Class: Extended Part Manufactured by UMW(友台半导体)

35V 5kV 50mA 100mV@1mA,20mA 1 6V 1.2V DC SMD-4P Transistor, Photovoltaic Output Optoisolators ROHS PC817B DIP-4_L4.6-W6.5-P2.54-LS7.6-BL LCSC Part Number: C115499 JLCPCB Part Class: Extended Part Manufactured by 华润华晶

35V 5kV 50mA 100mV@1mA,20mA 1 6V 1.2V DC SMD-4P Transistor, Photovoltaic Output Optoisolators ROHS LTV-817S-TA1-C OPTO-SMD-4_L4.6-W6.5-P2.54-LS10.3-BL LCSC Part Number: C109227 JLCPCB Part Class: Extended Part Manufactured by LITEON(光宝)

80V 3.75kV 50mA 400mV@2.4mA,8mA 1 6V 1.2V DC SOP-4-175mil Transistor, Photovoltaic Output Optoisolators ROHS LTV-217-C-G SMD-4_L2.7-W4.4-P1.27-LS7.0-BL LCSC Part Number: C123196 JLCPCB Part Class: Extended Part Manufactured by LITEON(光宝)

80V 3.75kV 50mA 100mV@1mA,10mA 4 6V 1.2V DC SSOP-16-175mil-1.27mm Transistor, Photovoltaic Output Optoisolators ROHS Optocouplers - Phototransistor Output ELQ3H7(TA) SOP-16_L10.3-W4.4-P1.27-LS7.0-BL LCSC Part Number: C146217 JLCPCB Part Class: Extended Part Manufactured by EVERLIGHT(亿光)