Part Number	Category	Family	Description
HMA121A	Isolators	Optoisolators - Transistor, Photovoltaic Output	Optoisolator Transistor Output 3750Vrms 1 Channel 4-Mini-Flat
HMA121AR1 FAIRCHILD 10000 2013+ 2013+ World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com HMA121AR1 FAIRCHILD 10000 16+ FULLPITCHMINI-FLATPACKAGE4-PINOPT Fantastic Technologies limited.info@fantastic-ele.com HMA121AR1 ORIGINAL 55000 2011+ New & Original parts Lei Li Electronics Co.,LtdBenny@leili-ic.com HMA121AR1 ROHSPb 81054 12+ Originalnew IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk HMA121AR1V FAIRCHILD 10000 2013+ 2013+ World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com HMA121AR1V FAIRCHILD 10000 16+ FULLPITCHMINI-FLATPACKAGE4-PINOPT Fantastic Technologies limited.info@fantastic-ele.com HMA121AR1V ORIGINAL 55000 2009+ New & Original parts Lei Li Electronics Co.,LtdBenny@leili-ic.com HMA121AR1V ROHSPb 81054 12+ Originalnew IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk HMA121AR2 FAIRCHILD 10000 16+ FULLPITCHMINI-FLATPACKAGE4-PINOPT Fantastic Technologies limited.info@fantastic-ele.com HMA121AR2 FSC 1600 0409+ MACROQUEST ELECTRONICS CO., LTDZHANCHUN1214@VIP.163.COM HMA121AR2 FSC 11600 14-15+ SOP-4 Nego IC Co.Doris@negoic.com HMA121AR2 ORIGINAL 55000 2011+ New & Original parts Lei Li Electronics Co.,LtdBenny@leili-ic.com HMA121AR2V 98750 2016 Original&New&Rhos Hong Da Electronics Co.LTDbrenda@hongda-ic.com HMA121AR2V 98750 2016 Original&New&Rhos Hong Da Electronics Co.LTDbrenda@hongda-ic.com HMA121AR2V FAIRCHILD 10000 2013+ 2013+ World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com HMA121AR2V FAIRCHILD 10000 16+ FULLPITCHMINI-FLATPACKAGE4-PINOPT Fantastic Technologies limited.info@fantastic-ele.com HMA121AR2V FAIRCHILD 10000 16+ FULLPITCHMINI-FLATPACKAGE4-PINOPT Fantastic Technologies limited.info@fantastic-ele.com HMA121AR2V IC 37070 16+ NEW RoHS and More QTY Semilex Electronics Limited. (Belwen@semi-lex.com) HMA121AR2V ORIGINAL 55000 2009+ New & Original parts Lei Li Electronics Co.,LtdBenny@leili-ic.com HMA121AR2V ORIGINAL 55000 2009+ New & Original parts Lei Li Electronics Co.,LtdBenny@leili-ic.com HMA121AR3 897465 13+ Fengyangxin Technology ( HK ) Co.,Ltd HMA121AR3 N/A 89500 2016 RohsAndNew European Union IC Industry Co.linda@ic-industry38.com HMA121AR3 ORIGINAL 55000 2011+ New & Original parts Lei Li Electronics Co.,LtdBenny@leili-ic.com HMA121AR3 ORIGINAL 55000 2011+ New & Original parts Lei Li Electronics Co.,LtdBenny@leili-ic.com HMA121AR3V 98750 2016 Original&New&Rhos Hong Da Electronics Co.LTDbrenda@hongda-ic.com HMA121AR3V FAIRCHILD 10000 2013+ 2013+ World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com HMA121AR3V FAIRCHILD 10000 16+ FULLPITCHMINI-FLATPACKAGE4-PINOPT Fantastic Technologies limited.info@fantastic-ele.com HMA121AR3V ROHSPb 81054 12+ Originalnew IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk HMA121AR4V FAIRCHILD 10000 2013+ 2013+ World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com HMA121AR4V FAIRCHILD 10000 2013+ 2013+ World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com HMA121AR4V FAIRCHILD 10000 16+ FULLPITCHMINI-FLATPACKAGE4-PINOPT Fantastic Technologies limited.info@fantastic-ele.com HMA121AR4V IC 37630 16+ NEW RoHS and More QTY Semilex Electronics Limited. (Belwen@semi-lex.com) HMA121AR4V ORIGINAL 55000 2009+ New & Original parts Lei Li Electronics Co.,LtdBenny@leili-ic.com HMA121AR4V ORIGINAL 55000 2009+ New & Original parts Lei Li Electronics Co.,LtdBenny@leili-ic.com HMA121AR4V ROHSPb 81054 12+ Originalnew IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk HMA121AR4V STOCK 43170 2016+ standard package with RoHS MAINtron Electronics Limited. HMA121AV 98750 2016 Original&New&Rhos Hong Da Electronics Co.LTDbrenda@hongda-ic.com HMA121AV FAIRCHILD 10000 16+ FULLPITCHMINI-FLATPACKAGE4-PINOPT Fantastic Technologies limited.info@fantastic-ele.com HMA121AV N/A 89500 2016 RohsAndNew European Union IC Industry Co.linda@ic-industry38.com HMA121AV ROHSPb 81054 12+ Originalnew IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk
HMA121AR1	Isolators	Optoisolators - Transistor, Photovoltaic Output	Optoisolator Transistor Output 3750Vrms 1 Channel 4-Mini-Flat
HMA121AR1 FAIRCHILD 10000 2013+ 2013+ World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com HMA121AR1 FAIRCHILD 10000 16+ FULLPITCHMINI-FLATPACKAGE4-PINOPT Fantastic Technologies limited.info@fantastic-ele.com HMA121AR1 ORIGINAL 55000 2011+ New & Original parts Lei Li Electronics Co.,LtdBenny@leili-ic.com HMA121AR1 ROHSPb 81054 12+ Originalnew IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk HMA121AR1V FAIRCHILD 10000 2013+ 2013+ World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com HMA121AR1V FAIRCHILD 10000 16+ FULLPITCHMINI-FLATPACKAGE4-PINOPT Fantastic Technologies limited.info@fantastic-ele.com HMA121AR1V ORIGINAL 55000 2009+ New & Original parts Lei Li Electronics Co.,LtdBenny@leili-ic.com HMA121AR1V ROHSPb 81054 12+ Originalnew IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk
HMA121AR1V	Isolators	Optoisolators - Transistor, Photovoltaic Output	Optoisolator Transistor Output 3750Vrms 1 Channel 4-Mini-Flat
HMA121AR1V FAIRCHILD 10000 2013+ 2013+ World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com HMA121AR1V FAIRCHILD 10000 16+ FULLPITCHMINI-FLATPACKAGE4-PINOPT Fantastic Technologies limited.info@fantastic-ele.com HMA121AR1V ORIGINAL 55000 2009+ New & Original parts Lei Li Electronics Co.,LtdBenny@leili-ic.com HMA121AR1V ROHSPb 81054 12+ Originalnew IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk
HMA121AR2	Isolators	Optoisolators - Transistor, Photovoltaic Output	Optoisolator Transistor Output 3750Vrms 1 Channel 4-Mini-Flat
HMA121AR2 FAIRCHILD 10000 16+ FULLPITCHMINI-FLATPACKAGE4-PINOPT Fantastic Technologies limited.info@fantastic-ele.com HMA121AR2 FSC 1600 0409+ MACROQUEST ELECTRONICS CO., LTDZHANCHUN1214@VIP.163.COM HMA121AR2 FSC 11600 14-15+ SOP-4 Nego IC Co.Doris@negoic.com HMA121AR2 ORIGINAL 55000 2011+ New & Original parts Lei Li Electronics Co.,LtdBenny@leili-ic.com HMA121AR2V 98750 2016 Original&New&Rhos Hong Da Electronics Co.LTDbrenda@hongda-ic.com HMA121AR2V 98750 2016 Original&New&Rhos Hong Da Electronics Co.LTDbrenda@hongda-ic.com HMA121AR2V FAIRCHILD 10000 2013+ 2013+ World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com HMA121AR2V FAIRCHILD 10000 16+ FULLPITCHMINI-FLATPACKAGE4-PINOPT Fantastic Technologies limited.info@fantastic-ele.com HMA121AR2V FAIRCHILD 10000 16+ FULLPITCHMINI-FLATPACKAGE4-PINOPT Fantastic Technologies limited.info@fantastic-ele.com HMA121AR2V IC 37070 16+ NEW RoHS and More QTY Semilex Electronics Limited. (Belwen@semi-lex.com) HMA121AR2V ORIGINAL 55000 2009+ New & Original parts Lei Li Electronics Co.,LtdBenny@leili-ic.com HMA121AR2V ORIGINAL 55000 2009+ New & Original parts Lei Li Electronics Co.,LtdBenny@leili-ic.com
HMA121AR2V	Isolators	Optoisolators - Transistor, Photovoltaic Output	Optoisolator Transistor Output 3750Vrms 1 Channel 4-Mini-Flat
HMA121AR2V 98750 2016 Original&New&Rhos Hong Da Electronics Co.LTDbrenda@hongda-ic.com HMA121AR2V 98750 2016 Original&New&Rhos Hong Da Electronics Co.LTDbrenda@hongda-ic.com HMA121AR2V FAIRCHILD 10000 2013+ 2013+ World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com HMA121AR2V FAIRCHILD 10000 16+ FULLPITCHMINI-FLATPACKAGE4-PINOPT Fantastic Technologies limited.info@fantastic-ele.com HMA121AR2V FAIRCHILD 10000 16+ FULLPITCHMINI-FLATPACKAGE4-PINOPT Fantastic Technologies limited.info@fantastic-ele.com HMA121AR2V IC 37070 16+ NEW RoHS and More QTY Semilex Electronics Limited. (Belwen@semi-lex.com) HMA121AR2V ORIGINAL 55000 2009+ New & Original parts Lei Li Electronics Co.,LtdBenny@leili-ic.com HMA121AR2V ORIGINAL 55000 2009+ New & Original parts Lei Li Electronics Co.,LtdBenny@leili-ic.com
HMA121AR3	Isolators	Optoisolators - Transistor, Photovoltaic Output	Optoisolator Transistor Output 3750Vrms 1 Channel 4-Mini-Flat
HMA121AR3 897465 13+ Fengyangxin Technology ( HK ) Co.,Ltd HMA121AR3 N/A 89500 2016 RohsAndNew European Union IC Industry Co.linda@ic-industry38.com HMA121AR3 ORIGINAL 55000 2011+ New & Original parts Lei Li Electronics Co.,LtdBenny@leili-ic.com HMA121AR3 ORIGINAL 55000 2011+ New & Original parts Lei Li Electronics Co.,LtdBenny@leili-ic.com HMA121AR3V 98750 2016 Original&New&Rhos Hong Da Electronics Co.LTDbrenda@hongda-ic.com HMA121AR3V FAIRCHILD 10000 2013+ 2013+ World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com HMA121AR3V FAIRCHILD 10000 16+ FULLPITCHMINI-FLATPACKAGE4-PINOPT Fantastic Technologies limited.info@fantastic-ele.com HMA121AR3V ROHSPb 81054 12+ Originalnew IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk
HMA121AR3V	Isolators	Optoisolators - Transistor, Photovoltaic Output	Optoisolator Transistor Output 3750Vrms 1 Channel 4-Mini-Flat
HMA121AR3V 98750 2016 Original&New&Rhos Hong Da Electronics Co.LTDbrenda@hongda-ic.com HMA121AR3V FAIRCHILD 10000 2013+ 2013+ World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com HMA121AR3V FAIRCHILD 10000 16+ FULLPITCHMINI-FLATPACKAGE4-PINOPT Fantastic Technologies limited.info@fantastic-ele.com HMA121AR3V ROHSPb 81054 12+ Originalnew IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk
HMA121AR4	Isolators	Optoisolators - Transistor, Photovoltaic Output	Optoisolator Transistor Output 3750Vrms 1 Channel 4-Mini-Flat
HMA121AR4V FAIRCHILD 10000 2013+ 2013+ World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com HMA121AR4V FAIRCHILD 10000 2013+ 2013+ World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com HMA121AR4V FAIRCHILD 10000 16+ FULLPITCHMINI-FLATPACKAGE4-PINOPT Fantastic Technologies limited.info@fantastic-ele.com HMA121AR4V IC 37630 16+ NEW RoHS and More QTY Semilex Electronics Limited. (Belwen@semi-lex.com) HMA121AR4V ORIGINAL 55000 2009+ New & Original parts Lei Li Electronics Co.,LtdBenny@leili-ic.com HMA121AR4V ORIGINAL 55000 2009+ New & Original parts Lei Li Electronics Co.,LtdBenny@leili-ic.com HMA121AR4V ROHSPb 81054 12+ Originalnew IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk HMA121AR4V STOCK 43170 2016+ standard package with RoHS MAINtron Electronics Limited.
HMA121AR4V	Isolators	Optoisolators - Transistor, Photovoltaic Output	Optoisolator Transistor Output 3750Vrms 1 Channel 4-Mini-Flat
HMA121AR4V FAIRCHILD 10000 2013+ 2013+ World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com HMA121AR4V FAIRCHILD 10000 2013+ 2013+ World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com HMA121AR4V FAIRCHILD 10000 16+ FULLPITCHMINI-FLATPACKAGE4-PINOPT Fantastic Technologies limited.info@fantastic-ele.com HMA121AR4V IC 37630 16+ NEW RoHS and More QTY Semilex Electronics Limited. (Belwen@semi-lex.com) HMA121AR4V ORIGINAL 55000 2009+ New & Original parts Lei Li Electronics Co.,LtdBenny@leili-ic.com HMA121AR4V ORIGINAL 55000 2009+ New & Original parts Lei Li Electronics Co.,LtdBenny@leili-ic.com HMA121AR4V ROHSPb 81054 12+ Originalnew IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk HMA121AR4V STOCK 43170 2016+ standard package with RoHS MAINtron Electronics Limited.
HMA121AV	Isolators	Optoisolators - Transistor, Photovoltaic Output	Optoisolator Transistor Output 3750Vrms 1 Channel 4-Mini-Flat
HMA121AV 98750 2016 Original&New&Rhos Hong Da Electronics Co.LTDbrenda@hongda-ic.com HMA121AV FAIRCHILD 10000 16+ FULLPITCHMINI-FLATPACKAGE4-PINOPT Fantastic Technologies limited.info@fantastic-ele.com HMA121AV N/A 89500 2016 RohsAndNew European Union IC Industry Co.linda@ic-industry38.com HMA121AV ROHSPb 81054 12+ Originalnew IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk