Part Number	Category	Family	Status	Description
KA4558	Integrated Circuits (ICs)	Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps	Active	IC OPAMP GP 8DIP
KA4558D Fairchild 57319 15+ IC OPAMP DUAL 8-SOP Unitronix Electronics Limited KA4558D Fairchild 57319 15+ IC OPAMP DUAL 8-SOP Unitronix Electronics Limited KA4558D Fairchild 57319 15+ IC OPAMP DUAL 8-SOP Unitronix Electronics Limited KA4558D FAIRCHILD 74000 2016 SOP8 Hong Da Electronics Co.LTDbrenda@hongda-ic.com KA4558DTF 2400 FAI 04+05+ YSX TECH CO., LIMITED KA4558DTF FAIRCHILD 6000 SOP8 TingWin INDUSTRIAL CO.... KA4558DTF FairchildS 75280 2014+ N/AINSTOCK BONASE(HK) ELECTRONICS CO., LIMITED COMPANY KA4558DTF FairchildS 75280 2014+ N/AINSTOCK BONASE(HK) ELECTRONICS CO., LIMITED COMPANY KA4558DTF FSC 1,665 SOP Yongtao Electronics Co... KA4558DTF FSC 9 03 MACROQUEST ELECTRONICS CO., LTDZHANCHUN1214@VIP.163.COM KA4558DTF SAMSUNG 50000 12+ ShengXin Micro Electro... KA4558DTF SAMSUNG 74000 2016 SOP Hong Da Electronics Co.LTDbrenda@hongda-ic.com KA4558I 37395 14+ RoHS Compliant FindCores Electronics Inc. KA4558I Fairchild 57739 15+ IC OPAMP DUAL 8-DIP Unitronix Electronics Limited KA4558I Fairchild 60080 2013+ IC OPAMP DUAL 8-DIP Meyic Electronics Limited KA4558I originalne 621853 12+ ROHS IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk KA4558S 15475 2012+ DIP-9L BONASE(HK) ELECTRONICS CO., LIMITED COMPANY KA4558S FAIRCHIL 10000 2013+ 2013+ World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com KA4558S FAIRCHIL 6800 2011+ SOP-8P FEDERAL INDUSTRY Ins (Tess@sunnlyic.com) KA4558S SANSUNG 14053 2013+ 2013+ FindCores Electronics Co.,Ltd. KA4558STU 37695 14+ RoHS Compliant FindCores Electronics Inc. KA4558STU Fairchild 57829 15+ IC OPAMP DUAL 9-SIP Unitronix Electronics Limited KA4558STU Fairchild 57829 15+ IC OPAMP DUAL 9-SIP Unitronix Electronics Limited KA4558STU Fairchild 57829 15+ IC OPAMP DUAL 9-SIP Unitronix Electronics Limited
KA4558D	Integrated Circuits (ICs)	Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps	Obsolete item	IC OPAMP GP 8SOIC
KA4558D Fairchild 57319 15+ IC OPAMP DUAL 8-SOP Unitronix Electronics Limited KA4558D Fairchild 57319 15+ IC OPAMP DUAL 8-SOP Unitronix Electronics Limited KA4558D Fairchild 57319 15+ IC OPAMP DUAL 8-SOP Unitronix Electronics Limited KA4558D FAIRCHILD 74000 2016 SOP8 Hong Da Electronics Co.LTDbrenda@hongda-ic.com KA4558DTF 2400 FAI 04+05+ YSX TECH CO., LIMITED KA4558DTF FAIRCHILD 6000 SOP8 TingWin INDUSTRIAL CO.... KA4558DTF FairchildS 75280 2014+ N/AINSTOCK BONASE(HK) ELECTRONICS CO., LIMITED COMPANY KA4558DTF FairchildS 75280 2014+ N/AINSTOCK BONASE(HK) ELECTRONICS CO., LIMITED COMPANY KA4558DTF FSC 1,665 SOP Yongtao Electronics Co... KA4558DTF FSC 9 03 MACROQUEST ELECTRONICS CO., LTDZHANCHUN1214@VIP.163.COM KA4558DTF SAMSUNG 50000 12+ ShengXin Micro Electro... KA4558DTF SAMSUNG 74000 2016 SOP Hong Da Electronics Co.LTDbrenda@hongda-ic.com
KA4558DTF	Integrated Circuits (ICs)	Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps	Active	IC OPAMP GP 8SOIC
KA4558DTF 2400 FAI 04+05+ YSX TECH CO., LIMITED KA4558DTF FAIRCHILD 6000 SOP8 TingWin INDUSTRIAL CO.... KA4558DTF FairchildS 75280 2014+ N/AINSTOCK BONASE(HK) ELECTRONICS CO., LIMITED COMPANY KA4558DTF FairchildS 75280 2014+ N/AINSTOCK BONASE(HK) ELECTRONICS CO., LIMITED COMPANY KA4558DTF FSC 1,665 SOP Yongtao Electronics Co... KA4558DTF FSC 9 03 MACROQUEST ELECTRONICS CO., LTDZHANCHUN1214@VIP.163.COM KA4558DTF SAMSUNG 50000 12+ ShengXin Micro Electro... KA4558DTF SAMSUNG 74000 2016 SOP Hong Da Electronics Co.LTDbrenda@hongda-ic.com
KA4558I	Integrated Circuits (ICs)	Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps	Obsolete item	IC OPAMP GP 8DIP
KA4558I 37395 14+ RoHS Compliant FindCores Electronics Inc. KA4558I Fairchild 57739 15+ IC OPAMP DUAL 8-DIP Unitronix Electronics Limited KA4558I Fairchild 60080 2013+ IC OPAMP DUAL 8-DIP Meyic Electronics Limited KA4558I originalne 621853 12+ ROHS IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk
KA4558S	Integrated Circuits (ICs)	Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps	Obsolete item	IC OPAMP GP 9SIP
KA4558S 15475 2012+ DIP-9L BONASE(HK) ELECTRONICS CO., LIMITED COMPANY KA4558S FAIRCHIL 10000 2013+ 2013+ World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com KA4558S FAIRCHIL 6800 2011+ SOP-8P FEDERAL INDUSTRY Ins (Tess@sunnlyic.com) KA4558S SANSUNG 14053 2013+ 2013+ FindCores Electronics Co.,Ltd. KA4558STU 37695 14+ RoHS Compliant FindCores Electronics Inc. KA4558STU Fairchild 57829 15+ IC OPAMP DUAL 9-SIP Unitronix Electronics Limited KA4558STU Fairchild 57829 15+ IC OPAMP DUAL 9-SIP Unitronix Electronics Limited KA4558STU Fairchild 57829 15+ IC OPAMP DUAL 9-SIP Unitronix Electronics Limited
KA4558STU	Integrated Circuits (ICs)	Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps	Obsolete item	IC OPAMP GP 9SIP
KA4558STU 37695 14+ RoHS Compliant FindCores Electronics Inc. KA4558STU Fairchild 57829 15+ IC OPAMP DUAL 9-SIP Unitronix Electronics Limited KA4558STU Fairchild 57829 15+ IC OPAMP DUAL 9-SIP Unitronix Electronics Limited KA4558STU Fairchild 57829 15+ IC OPAMP DUAL 9-SIP Unitronix Electronics Limited