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Keyword: 74AHC273PW,118 74AHC273PW,112 LMK00101BEVAL/NOPB 74AHC273D OPA130UAE4
Location : Home > TT Electronics/Optek Technology > Page 74

TT Electronics/Optek Technology Semiconductors Stock List

1...7071727374757677787980
Part Number Category Family Status Description
OP525DA Sensors, Transducers Optical Sensors - Phototransistors Phototransistor 935nm Top View 1210 (3225 Metric)
OP525DA IC 41050 17+ NEW RoHS and More QTY SemiLex Electronics Inc (sales@semi-lex.com)
OP525DA TT Electronics/Optek Technolog 800,000 15+ 15+ Global Thunder Electronics Co.,Ltd
OP525DA TT Electronics/Optek Technolog 800,000 2015+ PHOTODARLINGTON NPN CLR 1210 SMD enkaite Electronics Co., Ltd
OP525DA TT/Optek 57019 1516+ PHOTODARLINGTON NPN CLR 1210 SMD Unitronix Electronik GmbH sourcing@unitronix-e.com
OP500 Sensors, Transducers Optical Sensors - Phototransistors Phototransistor 935nm Top View 0805 (2012 Metric)
OP500DA TT Electronics/Optek Technolog 800,000 15+ 15+ Global Thunder Electronics Co.,Ltd
OP500DA TT Electronics/Optek Technolog 800,000 15+ 15+ Global Thunder Electronics Co.,Ltd
OP500DA TT Electronics/Optek Technolog 800,000 2015+ PHOTODARLINGTON NPN CLR 0805 SMD enkaite Electronics Co., Ltd
OP500DA TT Electronics/Optek Technolog 800,000 2015+ PHOTODARLINGTON NPN CLR 0805 SMD enkaite Electronics Co., Ltd
OP521DA Sensors, Transducers Optical Sensors - Phototransistors Phototransistor 935nm Top View 1206 (3216 Metric)
OP521DA ROHS 621853 12+ NewOriginalparts IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk
OP521DA TT 8 18+ PHOTODARLINGTONNPNCLR1206SMD World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com
OP521DA TT Electronics/Optek Technolog 800,000 15+ PHOTODARLINGTON NPN CLR 1206 SMD Lei Li Electronics Co.,LtdBenny@leili-ic.com
OP521DA TT Electronics/Optek Technolog 800,000 15+ PHOTODARLINGTON NPN CLR 1206 SMD Lei Li Electronics Co.,LtdBenny@leili-ic.com
OP525 Sensors, Transducers Optical Sensors - Phototransistors Phototransistor 935nm Top View 1210 (3225 Metric)
OP525 TT 8 18+ PHOTOTRANSISTORNPNCLR1210SMD World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com
OP525 TT Electronics/Optek Technolog 800,000 15+ 15+ Global Thunder Electronics Co.,Ltd
OP525 TT Electronics/Optek Technolog 800,000 15+ PHOTOTRANSISTOR NPN CLR 1210 SMD Lei Li Electronics Co.,LtdBenny@leili-ic.com
OP525 TT Electronics/Optek Technolog 800,000 2015+ PHOTOTRANSISTOR NPN CLR 1210 SMD enkaite Electronics Co., Ltd
OP525DA IC 41050 17+ NEW RoHS and More QTY SemiLex Electronics Inc (sales@semi-lex.com)
OP525DA TT Electronics/Optek Technolog 800,000 15+ 15+ Global Thunder Electronics Co.,Ltd
OP525DA TT Electronics/Optek Technolog 800,000 2015+ PHOTODARLINGTON NPN CLR 1210 SMD enkaite Electronics Co., Ltd
OP525DA TT/Optek 57019 1516+ PHOTODARLINGTON NPN CLR 1210 SMD Unitronix Electronik GmbH sourcing@unitronix-e.com
OP521 Sensors, Transducers Optical Sensors - Phototransistors Phototransistor 935nm Top View 1206 (3216 Metric)
OP521 AD 88450 2016 Original&New&Rhos Hong Da Electronics Co.LTDbrenda@hongda-ic.com
OP521 Optek 12269 NEW+ STOCK Mujistu Electronic Pte Ltd.
OP521 TT 8 18+ PHOTOTRANSISTORNPNCLEAR1206 World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com
OP521DA ROHS 621853 12+ NewOriginalparts IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk
OP521DA TT 8 18+ PHOTODARLINGTONNPNCLR1206SMD World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com
OP521DA TT Electronics/Optek Technolog 800,000 15+ PHOTODARLINGTON NPN CLR 1206 SMD Lei Li Electronics Co.,LtdBenny@leili-ic.com
OP521DA TT Electronics/Optek Technolog 800,000 15+ PHOTODARLINGTON NPN CLR 1206 SMD Lei Li Electronics Co.,LtdBenny@leili-ic.com
OP522 Sensors, Transducers Optical Sensors - Phototransistors Phototransistor 935nm Top View 1206 (3216 Metric)
OP522 AD 88450 2016 Original&New&Rhos Hong Da Electronics Co.LTDbrenda@hongda-ic.com
OP522 Distributor 172330 17+RoHS for more pls inquire us now Microtranik Components,Inc. info@microtranik.com
OP522 TT 8 18+ PHOTOTRANSISTORNPNCLEAR1206 World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com
OP572 Sensors, Transducers Optical Sensors - Phototransistors Phototransistor 935nm Top View 2-SMD, Yoke Bend
OP572.005 ROHS 621853 12+ NewOriginalparts IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk
OP572?005 N/A 67530 2016 RohsAndNew European Union IC Industry Co.linda@ic-industry38.com
OP57216 Laird 8 18+ VERTICALLYPOLARIZEDBROADBANDO World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com
OP573 Sensors, Transducers Optical Sensors - Phototransistors Phototransistor 935nm Top View 2-SMD, Z-Bend
OP573 OPTEK 1000 16+ SiliconPhototransistor Fantastic Technologies limited.info@fantastic-ele.com
OP573 Optek 12269 NEW+ STOCK Mujistu Electronic Pte Ltd.
OP573 Optek 13150 STOCK NewChip Enterprises Pte, Ltd.
OP573 TT Electronics/Optek Technolog 800,000 15+ PHOTOTRANSISTOR NPN SND REV GULL Lei Li Electronics Co.,LtdBenny@leili-ic.com
OP570 Sensors, Transducers Optical Sensors - Phototransistors Phototransistor 935nm Top View Axial, Flat Leads
OP570 Optek 11000 STOCK Alison Enterprise Co., Ltd.
OP570 Optek 12269 NEW+ STOCK Mujistu Electronic Pte Ltd.
OP570 Optek 13150 STOCK NewChip Enterprises Pte, Ltd.
OP571 Sensors, Transducers Optical Sensors - Phototransistors Phototransistor 935nm Top View 2-SMD, Gull Wing
OP571 Optek 12269 NEW+ STOCK Mujistu Electronic Pte Ltd.
OP571 Optek 13150 STOCK NewChip Enterprises Pte, Ltd.
OP571 TT 8 18+ PHOTOTRANSISTORNPNSMDGULLLD World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com
OP580 Sensors, Transducers Optical Sensors - Phototransistors Phototransistor 935nm Top View 2-PLCC
OP580 Optek 12269 NEW+ STOCK Mujistu Electronic Pte Ltd.
OP580 OPTEKTECHN 621853 12+ NewOriginalparts IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk
OP580 TT 8 18+ PHOTOTRANSISTORNPNSMDPLCC-2 World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com
OP580 TT Electronics/Optek Technolog 800,000 15+ PHOTOTRANSISTOR NPN SMD PLCC-2 Lei Li Electronics Co.,LtdBenny@leili-ic.com
OP805TX Sensors, Transducers Optical Sensors - Phototransistors Phototransistor 890nm Top View TO-206AA, TO-18-3 Metal Can
OP805TXV IC 40300 17+ NEW RoHS and More QTY SemiLex Electronics Inc (sales@semi-lex.com)
OP805TXV TT 8 18+ PHOTOTRANSISTRSILICONNPNTO-18 World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com
OP805TXV TT 8 18+ PHOTOTRANSISTRSILICONNPNTO-18 World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com
OP805TXV TT Electronics/Optek Technolog 800,000 15+ 15+ Global Thunder Electronics Co.,Ltd
OP805TXV TT Electronics/Optek Technolog 50000 2015+ New & Original parts enkaite Electronics Co., Ltd
OP805TXV TT Electronics/Optek Technolog 800,000 15+ PHOTOTRANSISTR SILICON NPN TO-18 Lei Li Electronics Co.,LtdBenny@leili-ic.com
OP805TXV TT Electronics/Optek Technolog 800,000 15+ PHOTOTRANSISTR SILICON NPN TO-18 Lei Li Electronics Co.,LtdBenny@leili-ic.com
OP805TXV TT/Optek 57259 1516+ PHOTOTRANSISTR SILICON NPN TO-18 Unitronix Electronik GmbH sourcing@unitronix-e.com
OP803TXV Sensors, Transducers Optical Sensors - Phototransistors Phototransistor 890nm Top View TO-206AA, TO-18-3 Metal Can
OP803TXV RoHS 221541 12+ originalnew IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk
OP803TXV TT 8 18+ PHOTOTRANSSILICONNPNTO-18 World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com
OP803TXV TT 8 18+ PHOTOTRANSSILICONNPNTO-18 World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com
OP803TXV TT Electronics/Optek Technolog 800,000 15+ PHOTOTRANS SILICON NPN TO-18 Lei Li Electronics Co.,LtdBenny@leili-ic.com
OP803TX Sensors, Transducers Optical Sensors - Phototransistors Phototransistor 890nm Top View TO-206AA, TO-18-3 Metal Can
OP803TX TT 8 18+ PHOTOTRANSSILICONNPNTO-18 World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com
OP803TX TT Electronics/Optek Technolog 50000 2015+ New & Original parts enkaite Electronics Co., Ltd
OP803TXV RoHS 221541 12+ originalnew IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk
OP803TXV TT 8 18+ PHOTOTRANSSILICONNPNTO-18 World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com
OP803TXV TT 8 18+ PHOTOTRANSSILICONNPNTO-18 World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com
OP803TXV TT Electronics/Optek Technolog 800,000 15+ PHOTOTRANS SILICON NPN TO-18 Lei Li Electronics Co.,LtdBenny@leili-ic.com
OP804TX Sensors, Transducers Optical Sensors - Phototransistors Phototransistor 890nm Top View TO-206AA, TO-18-3 Metal Can
OP804TX TT 8 18+ PHOTOTRANSSILICONNPNTO-18 World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com
OP804TXV RoHS 221541 12+ originalnew IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk
OP804TXV TT 8 18+ PHOTOTRANSSILICONNPNTO-18 World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com
OP804TXV TT 8 18+ PHOTOTRANSSILICONNPNTO-18 World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com
OP804TXV TT Electronics/Optek Technolog 50000 2015+ New & Original parts Lei Li Electronics Co.,LtdBenny@leili-ic.com
OP804TXV Sensors, Transducers Optical Sensors - Phototransistors Phototransistor 890nm Top View TO-206AA, TO-18-3 Metal Can
OP804TXV RoHS 221541 12+ originalnew IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk
OP804TXV TT 8 18+ PHOTOTRANSSILICONNPNTO-18 World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com
OP804TXV TT 8 18+ PHOTOTRANSSILICONNPNTO-18 World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com
OP804TXV TT Electronics/Optek Technolog 50000 2015+ New & Original parts Lei Li Electronics Co.,LtdBenny@leili-ic.com
OP805TXV Sensors, Transducers Optical Sensors - Phototransistors Phototransistor 890nm Top View TO-206AA, TO-18-3 Metal Can
OP805TXV IC 40300 17+ NEW RoHS and More QTY SemiLex Electronics Inc (sales@semi-lex.com)
OP805TXV TT 8 18+ PHOTOTRANSISTRSILICONNPNTO-18 World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com
OP805TXV TT 8 18+ PHOTOTRANSISTRSILICONNPNTO-18 World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com
OP805TXV TT Electronics/Optek Technolog 800,000 15+ 15+ Global Thunder Electronics Co.,Ltd
OP805TXV TT Electronics/Optek Technolog 50000 2015+ New & Original parts enkaite Electronics Co., Ltd
OP805TXV TT Electronics/Optek Technolog 800,000 15+ PHOTOTRANSISTR SILICON NPN TO-18 Lei Li Electronics Co.,LtdBenny@leili-ic.com
OP805TXV TT Electronics/Optek Technolog 800,000 15+ PHOTOTRANSISTR SILICON NPN TO-18 Lei Li Electronics Co.,LtdBenny@leili-ic.com
OP805TXV TT/Optek 57259 1516+ PHOTOTRANSISTR SILICON NPN TO-18 Unitronix Electronik GmbH sourcing@unitronix-e.com
OP603TX Sensors, Transducers Optical Sensors - Phototransistors Phototransistor Top View Pill
OP603TX ROHS 621853 12+ NewOriginalparts IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk
OP603TX TT 8 18+ PHOTOTRNSSILCNNPNHERMETCPILL World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com
OP603TXV ROHS 621853 12+ NewOriginalparts IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk
OP603TXV ROHS 621853 12+ NewOriginalparts IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk
OP603TXV TT 8 18+ PHOTOTRNSSILCNNPNHERMETCPILL World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com
OP603TXV TT Electronics/Optek Technolog 800,000 15+ PHOTOTRNS SILCN NPN HERMETC PILL Lei Li Electronics Co.,LtdBenny@leili-ic.com
OP603TXV Sensors, Transducers Optical Sensors - Phototransistors Phototransistor Top View Pill
OP603TXV ROHS 621853 12+ NewOriginalparts IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk
OP603TXV ROHS 621853 12+ NewOriginalparts IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk
OP603TXV TT 8 18+ PHOTOTRNSSILCNNPNHERMETCPILL World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com
OP603TXV TT Electronics/Optek Technolog 800,000 15+ PHOTOTRNS SILCN NPN HERMETC PILL Lei Li Electronics Co.,LtdBenny@leili-ic.com
OP604S Sensors, Transducers Optical Sensors - Phototransistors Phototransistor Top View Pill
OP604S OPTEK 1000 16+ Hi-ReliabilityNPNSiliconPhototrans Fantastic Technologies limited.info@fantastic-ele.com
OP604S ROHS 621853 12+ NewOriginalparts IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk
OP604S TT Electronics/Optek Technolog 800,000 15+ PHOTOTRNS SILCN NPN HERMETC PILL Lei Li Electronics Co.,LtdBenny@leili-ic.com
OP604S TT Electronics/Optek Technolog 800,000 2015+ PHOTOTRNS SILCN NPN HERMETC PILL enkaite Electronics Co., Ltd
OP602TX Sensors, Transducers Optical Sensors - Phototransistors Phototransistor Top View Pill
OP602TX ROHS 621853 12+ NewOriginalparts IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk
OP602TX TT 8 18+ PHOTOTRNSSILCNNPNHERMETCPILL World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com
OP602TXV ROHS 621853 12+ NewOriginalparts IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk
OP602TXV ROHS 621853 12+ NewOriginalparts IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk
OP602TXV TT 8 18+ PHOTOTRNSSILCNNPNHERMETCPILL World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com
OP602TXV TT 8 18+ PHOTOTRNSSILCNNPNHERMETCPILL World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com
OP304SL Sensors, Transducers Optical Sensors - Phototransistors Phototransistor 890nm Top View Pill
OP304SL IC 40280 17+ NEW RoHS and More QTY SemiLex Electronics Inc (sales@semi-lex.com)
OP304SL TT Electronics/Optek Technolog 800,000 15+ 15+ Global Thunder Electronics Co.,Ltd
OP304SL TT/Optek 47190 1525+ PHOTOTRNS SILICN NPN HERMET PILL Renxim Technology Solutions Ltd. info@renxim.com
OP304SL TT/Optek 57369 1516+ PHOTOTRNS SILICN NPN HERMET PILL Unitronix Electronik GmbH sourcing@unitronix-e.com
OP305SL Sensors, Transducers Optical Sensors - Phototransistors Phototransistor 890nm Top View Pill
OP305SL RoHs 15000 2016 Original&New FEDERAL INDUSTRY InsTess@sunnlyic.com
OP305SL RoHs 20000 2016+ Original&New IC Agent Electronics InsKevin@ic-agent.com
OP305SL TT 8 18+ PHOTOTRNSSILICNNPNHERMETPILL World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com
OP305SL TT Electronics/Optek Technolog 800,000 15+ PHOTOTRNS SILICN NPN HERMET PILL Lei Li Electronics Co.,LtdBenny@leili-ic.com
OP604TX Sensors, Transducers Optical Sensors - Phototransistors Phototransistor Top View Pill
OP604TX ROHS 621853 12+ NewOriginalparts IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk
OP604TX TT 8 18+ PHOTOTRNSSILCNNPNHERMETCPILL World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com
OP604TX TT Electronics/Optek Technolog 800,000 15+ 15+ Global Thunder Electronics Co.,Ltd
OP604TX TT Electronics/Optek Technolog 800,000 2015+ PHOTOTRNS SILCN NPN HERMETC PILL enkaite Electronics Co., Ltd
OP604TXV ROHS 621853 12+ NewOriginalparts IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk
OP604TXV TT 8 18+ PHOTOTRNSSILCNNPNHERMETCPILL World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com
OP604TXV TT 8 18+ PHOTOTRNSSILCNNPNHERMETCPILL World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com
OP604TXV TT Electronics/Optek Technolog 800,000 15+ PHOTOTRNS SILCN NPN HERMETC PILL Lei Li Electronics Co.,LtdBenny@leili-ic.com
OP602TXV Sensors, Transducers Optical Sensors - Phototransistors Phototransistor Top View Pill
OP602TXV ROHS 621853 12+ NewOriginalparts IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk
OP602TXV ROHS 621853 12+ NewOriginalparts IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk
OP602TXV TT 8 18+ PHOTOTRNSSILCNNPNHERMETCPILL World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com
OP602TXV TT 8 18+ PHOTOTRNSSILCNNPNHERMETCPILL World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com
OP604TXV Sensors, Transducers Optical Sensors - Phototransistors Phototransistor Top View Pill
OP604TXV ROHS 621853 12+ NewOriginalparts IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk
OP604TXV TT 8 18+ PHOTOTRNSSILCNNPNHERMETCPILL World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com
OP604TXV TT 8 18+ PHOTOTRNSSILCNNPNHERMETCPILL World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com
OP604TXV TT Electronics/Optek Technolog 800,000 15+ PHOTOTRNS SILCN NPN HERMETC PILL Lei Li Electronics Co.,LtdBenny@leili-ic.com
OP775A Sensors, Transducers Optical Sensors - Phototransistors Phototransistor 935nm Side View Radial
OP775A TT/Optek 57679 1516+ PHOTOTRNS NPN W/CAP SIDE LOOK Unitronix Electronik GmbH sourcing@unitronix-e.com
OP775B Sensors, Transducers Optical Sensors - Phototransistors Phototransistor 935nm Side View Radial
OP775B TT Electronics/Optek Technolog 50000 2015+ New & Original parts enkaite Electronics Co., Ltd
OP775B TT Electronics/Optek Technolog 50000 2015+ New & Original parts Lei Li Electronics Co.,LtdBenny@leili-ic.com
OP775B TT Electronics/Optek Technolog 50000 update New & Original parts En-Kaite Electronics Co., Ltd enkaite@foxmail.com
OP600C Sensors, Transducers Optical Sensors - Phototransistors Phototransistor 890nm Top View Pill
OP600C IC 40360 17+ NEW RoHS and More QTY SemiLex Electronics Inc (sales@semi-lex.com)
OP600C TT Electronics/Optek Technolog 800,000 15+ PHOTOTRNS SILCN NPN HERMETC PILL Lei Li Electronics Co.,LtdBenny@leili-ic.com
OP600C TT/Optek 47450 1525+ PHOTOTRNS SILCN NPN HERMETC PILL Renxim Technology Solutions Ltd. info@renxim.com
OP600C TT/Optek 57499 1516+ PHOTOTRNS SILCN NPN HERMETC PILL Unitronix Electronik GmbH sourcing@unitronix-e.com
OP643SL Sensors, Transducers Optical Sensors - Phototransistors Phototransistor 890nm Top View Pill
OP643SL IC 40190 17+ NEW RoHS and More QTY SemiLex Electronics Inc (sales@semi-lex.com)
OP643SL TT Electronics/Optek Technolog 800,000 15+ 15+ Global Thunder Electronics Co.,Ltd
OP643SL TT Electronics/Optek Technolog 800,000 2015+ PHOTOTRNS SILICN NPN HERMET PILL enkaite Electronics Co., Ltd
OP643SL TT/Optek 57599 1516+ PHOTOTRNS SILICN NPN HERMET PILL Unitronix Electronik GmbH sourcing@unitronix-e.com