u TO UC2901QG3 Series Semiconductors Stock List

Part Number	Category	Family	Status	Description
U6808B-MFP	Integrated Circuits (ICs)	PMIC - Power Management - Specialized	Obsolete item	IC FAILSAFE W/RELAY DRVR 8-SOIC
U6808B-MFPG3 ATMEL 68213 2014+ IC FAILSAFE W/RELAY DRVR 8-SOIC ANRIC ELECTRONICS CO.,LTD. U6808B-MFPG3 ELECTRONIC 26199 2014+ Pb-Free Unitronix Electronics Inc. sales@unitronix-e.com U6808B-MFPG3 IC 38860 16+ NEW RoHS and More QTY Semilex Electronics Direct (info@semi-lex.com) U6808B-MFPG3 IC 40620 17+ NEW RoHS and More QTY SemiLex Electronics Inc (sales@semi-lex.com) U6808B-MFPG3Y ATMEL 12500 14-15+ SOP8 Nego IC Co.Doris@negoic.com U6808B-MFPG3Y Atmel 30,000 2102+ U6808B-MFPG3Y Lei Li Electronics Co.,LtdBenny@leili-ic.com U6808B-MFPY ATMEL 10000 2013+ Specia Fail-safe IC World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com U6808B-MFPY ATMEL 2000 2013+ Specia Fail-safe IC Protec Engineering (S) Pte Ltd
U6809B-MFLG3	Integrated Circuits (ICs)	PMIC - Power Management - Specialized	Obsolete item	IC FAILSAFE W/RELAY DRVR 20-SOIC
U6809B-MFLG3 645412 13+ fenkey electronics co.,ltd U6809B-MFLG3 645412 13+ fenyang electronics co.,ltd U6809B-MFLG3 IC 40890 17+ NEW RoHS and More QTY SemiLex Electronics Inc (sales@semi-lex.com) U6809B-MFLG3 NEW 81250 2016+ Original package well Renxim Technology Limited. sales@renxim.com
U6809B-MFL	Integrated Circuits (ICs)	PMIC - Power Management - Specialized	Obsolete item	IC FAILSAFE W/RELAY DRVR 20-SOIC
U6809B-MFL 36657 14+ IN STOCK î£Ð¾ëŠ×ÓÖêÊ½»áÉç U6809B-MFL ATMEL 68323 2014+ IC FAILSAFE W/RELAY DRVR 20-SOIC ANRIC ELECTRONICS CO.,LTD. U6809B-MFL ATMEL 87910 1525+ IC FAILSAFE W/RELAY DRVR 20-SOIC Ronxim Components Ltd. U6809B-MFL ATMEL 87910 1525+ IC FAILSAFE W/RELAY DRVR 20-SOIC Ronxim Components Ltd. U6809B-MFLG3 645412 13+ fenkey electronics co.,ltd U6809B-MFLG3 645412 13+ fenyang electronics co.,ltd U6809B-MFLG3 IC 40890 17+ NEW RoHS and More QTY SemiLex Electronics Inc (sales@semi-lex.com) U6809B-MFLG3 NEW 81250 2016+ Original package well Renxim Technology Limited. sales@renxim.com
U6805B-MFPG3	Integrated Circuits (ICs)	PMIC - Power Management - Specialized	Obsolete item	IC DRIVER HEX THERMAL MON 14SOIC
U6805B-MFPG3Y 645412 13+ fenyang electronics co.,ltd U6805B-MFPG3Y ATMEL 10 12+ MACROQUEST ELECTRONICS CO., LTDZHANCHUN1214@VIP.163.COM U6805B-MFPG3Y ATMEL 4000 0936+ SOP-14 Protec Engineering (S) Pte Ltd U6805B-MFPG3Y ATMEL 4000 0936+ SOP-14 Protec Engineering (S) Pte Ltd U6805B-MFPG3Y ATMEL 10422 14-15+ SOP14 Nego IC Co.Doris@negoic.com U6805B-MFPG3Y IC 40400 17+ NEW RoHS and More QTY SemiLex Electronics Inc (sales@semi-lex.com) U6805B-MFPG3Y Maxim Integrated Products 5000 2016+ IC DRIVER HEX THERMAL MON 14SOIC Lei Li Electronics Co.,LtdBenny@leili-ic.com U6805B-MFPG3Y Maxim Integrated Products 5000 2016+ IC DRIVER HEX THERMAL MON 14SOIC Lei Li Electronics Co.,LtdBenny@leili-ic.com
U6808B-MFPG3	Integrated Circuits (ICs)	PMIC - Power Management - Specialized	Obsolete item	IC FAILSAFE W/RELAY DRVR 8-SOIC
U6808B-MFPG3 ATMEL 68213 2014+ IC FAILSAFE W/RELAY DRVR 8-SOIC ANRIC ELECTRONICS CO.,LTD. U6808B-MFPG3 ELECTRONIC 26199 2014+ Pb-Free Unitronix Electronics Inc. sales@unitronix-e.com U6808B-MFPG3 IC 38860 16+ NEW RoHS and More QTY Semilex Electronics Direct (info@semi-lex.com) U6808B-MFPG3 IC 40620 17+ NEW RoHS and More QTY SemiLex Electronics Inc (sales@semi-lex.com) U6808B-MFPG3Y ATMEL 12500 14-15+ SOP8 Nego IC Co.Doris@negoic.com U6808B-MFPG3Y Atmel 30,000 2102+ U6808B-MFPG3Y Lei Li Electronics Co.,LtdBenny@leili-ic.com
U6813B-MFPG3	Integrated Circuits (ICs)	PMIC - Power Management - Specialized	Obsolete item	IC FAILSAFE HISIDE/RELAY 16-SOIC
U6813B-MFPG3 ATMEL 5000 2010+ U6813B-MFPG3 ATMEL 5000 2010+ Shunxin Electronics Te... U6813B-MFPG3 ATMEL 2000 2013+ Fail-safe IC with High-side and Relay Driver Protec Engineering (S) Pte Ltd U6813B-MFPG3 ATMEL 2000 2013+ Fail-safe IC with High-side and Relay Driver Protec Engineering (S) Pte Ltd U6813B-MFPG3Y ATMEL 6000 2011+ ZESEN£¨HK£©Electronics Co. sales@zesenelec.com U6813B-MFPG3Y Atmel 4300 11+ 16-SO Eurotronik Components GmbH U6813B-MFPG3Y Atmel 4300 11+ 16-SO Eurotronik Components GmbH U6813B-MFPG3Y ATMEL 2000 2013+ Fail-safe IC with High-side and Relay Driver Protec Engineering (S) Pte Ltd
U490B-MFPG3	Integrated Circuits (ICs)	PMIC - Power Management - Specialized	Obsolete item	IC PHASE CONTROL ONE-SHOT 8-SOIC
U490B-MFPG3 492100 12+ IC INTERNATIONAL TRADING CO. U490B-MFPG3 492100 12+ IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk U490B-MFPG3 Atmel 1650 12+ 8-SOIC SINLIN ELECTRONICS LIMITED Authorized Distributor U490B-MFPG3 ATMEL 87830 1525+ IC PHASE CONTROL ONE-SHOT 8-SOIC RONXIM ELECTRONICS LIMITED
U6803B-MFPG3Y	Integrated Circuits (ICs)	PMIC - Power Management - Specialized	Obsolete item	IC DRIVER TRPL THERMAL MON 8SOIC
U6803B-MFPG3Y 645412 13+ fenyang electronics co.,ltd U6803B-MFPG3Y ATMEL 2000 2013+ Triple Driver IC with Thermal Monitoring Protec Engineering (S) Pte Ltd U6803B-MFPG3Y IC 40470 17+ NEW RoHS and More QTY SemiLex Electronics Inc (sales@semi-lex.com) U6803B-MFPG3Y NEW 84050 2016+ Original package well Renxim Technology Limited. sales@renxim.com
U6805B-MFPG3Y	Integrated Circuits (ICs)	PMIC - Power Management - Specialized	Obsolete item	IC DRIVER HEX THERMAL MON 14SOIC
U6805B-MFPG3Y 645412 13+ fenyang electronics co.,ltd U6805B-MFPG3Y ATMEL 10 12+ MACROQUEST ELECTRONICS CO., LTDZHANCHUN1214@VIP.163.COM U6805B-MFPG3Y ATMEL 4000 0936+ SOP-14 Protec Engineering (S) Pte Ltd U6805B-MFPG3Y ATMEL 4000 0936+ SOP-14 Protec Engineering (S) Pte Ltd U6805B-MFPG3Y ATMEL 10422 14-15+ SOP14 Nego IC Co.Doris@negoic.com U6805B-MFPG3Y IC 40400 17+ NEW RoHS and More QTY SemiLex Electronics Inc (sales@semi-lex.com) U6805B-MFPG3Y Maxim Integrated Products 5000 2016+ IC DRIVER HEX THERMAL MON 14SOIC Lei Li Electronics Co.,LtdBenny@leili-ic.com U6805B-MFPG3Y Maxim Integrated Products 5000 2016+ IC DRIVER HEX THERMAL MON 14SOIC Lei Li Electronics Co.,LtdBenny@leili-ic.com
U6813B-MFPG3Y	Integrated Circuits (ICs)	PMIC - Power Management - Specialized	Obsolete item	IC FAILSAFE HISIDE/RELAY 16-SOIC
U6813B-MFPG3Y ATMEL 6000 2011+ ZESEN£¨HK£©Electronics Co. sales@zesenelec.com U6813B-MFPG3Y Atmel 4300 11+ 16-SO Eurotronik Components GmbH U6813B-MFPG3Y Atmel 4300 11+ 16-SO Eurotronik Components GmbH U6813B-MFPG3Y ATMEL 2000 2013+ Fail-safe IC with High-side and Relay Driver Protec Engineering (S) Pte Ltd
UCD9240RGCT	Integrated Circuits (ICs)	PMIC - Power Management - Specialized	Active	IC DGTL PWM SYSTEM CTRLR 64VQFN
UCD9240RGCT NULL 5 13+ NULL ZESEN£¨HK£©Electronics Co. sales@zesenelec.com UCD9240RGCT TI 8000 2011+ 2011+ ZESEN(HK)ELECTRONICS CO. sally_zesen@hotmail.com UCD9240RGCT TI 8423 12+ 64-VQFN Exposed Pad (9x9) General Electronics Inc. UCD9240RGCT TI 68273 2014+ IC DGTL PWM SYSTEM CTRLR 64VQFN ANRIC ELECTRONICS CO.,LTD.
UC29432NG4	Integrated Circuits (ICs)	PMIC - Power Management - Specialized	Active	IC PREC ANALOG CONTROLLER 8DIP
UC29432NG4 TI 100 2014 HOEDR (HK) ELECTRONIC ... UC29432NG4 TI 100 2014 QIDA(HK)ELECTRONICS CO... UC29432NG4 TI 2500 Win Well Technology Co... UC29432NG4 TI 2500 XIN XING LONG (HK) CO....
UC39432NG4	Integrated Circuits (ICs)	PMIC - Power Management - Specialized	Active	IC PREC ANALOG CONTROLLER 8DIP
UC39432NG4 N/A 85600 2016 Original&New&Rhos Hong Da Electronics Co.LTDbrenda@hongda-ic.com UC39432NG4 N/A 88870 2016 Rohs.And.New European Union IC Industry Co.linda@ic-industry38.com UC39432NG4 Texas Instruments 5000 2016+ IC PREC ANALOG CONTROLLER 8DIP Lei Li Electronics Co.,LtdBenny@leili-ic.com UC39432NG4 TI 1000 16+ PDIP Fantastic Technologies limited.info@fantastic-ele.com
UC29432DG4	Integrated Circuits (ICs)	PMIC - Power Management - Specialized	Active	IC PREC ANALOG CONTROLLER 8SOIC
UC29432DG4 492100 12+ IC INTERNATIONAL TRADING CO. UC29432DG4 S/N 1000 2013+ 2013+ World Link Parts components Dev.ltd-ORIGINAL ONLY UC29432DG4 TI 2440 12+ 8-SOIC SINLIN ELECTRONICS LIMITED Authorized Distributor UC29432DG4 TI 50000 14+ SOIC-8 Protec Engineering (S) Pte Ltd protec@vip.163.com
UC39432DG4	Integrated Circuits (ICs)	PMIC - Power Management - Specialized	Active	IC PREC ANALOG CONTROLLER 8SOIC
UC39432DG4 Distributor 140610 17+RoHS for more pls inquire us now Microtranik Components,Inc. info@microtranik.com UC39432DG4 ELECTRONIC 27281 2014+ Pb-Free Unitronix Electronics Inc. sales@unitronix-e.com UC39432DG4 IC 36170 16+ NEW RoHS and More QTY Semilex Electronics Direct (info@semi-lex.com) UC39432DG4 TI 8000 2011+ 2011+ ZESEN(HK)ELECTRONICS CO. sally_zesen@hotmail.com
UCD9240PFCG4	Integrated Circuits (ICs)	PMIC - Power Management - Specialized	Active	IC DGTL PWM SYSTEM CTRLR 80-TQFP
UCD9240PFCG4 36657 14+ IN STOCK î£Ð¾ëŠ×ÓÖêÊ½»áÉç UCD9240PFCG4 TI 5636 2011+ ZESEN(HK)ELECTRONICS CO. sally_zesen@hotmail.com UCD9240PFCG4 TI 68213 2014+ IC DGTL PWM SYSTEM CTRLR 80-TQFP ANRIC ELECTRONICS CO.,LTD. UCD9240PFCG4 TI 87850 1525+ IC DGTL PWM SYSTEM CTRLR 80-TQFP Ronxim Components Ltd.
UCD9240PFCR	Integrated Circuits (ICs)	PMIC - Power Management - Specialized	Active	IC DGTL PWM SYSTEM CTRLR 80-TQFP
UCD9240PFCR TI 15000 2012+ ZESEN£¨HK£©Electronics Co. sales@zesenelec.com UCD9240PFCR TI 7500 2011+ 2011+ ZESEN(HK)ELECTRONICS CO. sally_zesen@hotmail.com UCD9240PFCR TI 7500 2011+ 2011+ ZESEN(HK)ELECTRONICS CO. sally_zesen@hotmail.com UCD9240PFCR TI 10000 2013+ Digital PWM System Controller World Link Parts components Dev.ltd-ORIGINAL ONLY UCD9240PFCRG4 TI 16000 11+ 80-TQFP (12x12) Eurotronik Components GmbH UCD9240PFCRG4 TI 16000 11+ 80-TQFP (12x12) Eurotronik Components GmbH UCD9240PFCRG4 TI 9368 12+ 80-TQFP (12x12) General Electronics Inc. UCD9240PFCRG4 TI 68253 2014+ IC DGTL PWM SYSTEM CTRLR 80-TQFP ANRIC ELECTRONICS CO.,LTD.
UCD9240PFCRG4	Integrated Circuits (ICs)	PMIC - Power Management - Specialized	Active	IC DGTL PWM SYSTEM CTRLR 80-TQFP
UCD9240PFCRG4 TI 16000 11+ 80-TQFP (12x12) Eurotronik Components GmbH UCD9240PFCRG4 TI 16000 11+ 80-TQFP (12x12) Eurotronik Components GmbH UCD9240PFCRG4 TI 9368 12+ 80-TQFP (12x12) General Electronics Inc. UCD9240PFCRG4 TI 68253 2014+ IC DGTL PWM SYSTEM CTRLR 80-TQFP ANRIC ELECTRONICS CO.,LTD.
UCC2976PW	Integrated Circuits (ICs)	PMIC - Power Management - Specialized	Active	IC TRNSFRMR CNTLR 3-13.5V 8TSSOP
UCC2976PWG4 TI 22350 14+ MEGA IC ELECTRONICS.CO.LTD UCC2976PWG4 TI 8970 2012+ ZESEN(HK)ELECTRONICS CO. sally_zesen@hotmail.com UCC2976PWG4 TI/BB 13750 11+ TSSOP8 Philchip Electronics Limited UCC2976PWG4 TI/BB 63325 2014+ TSSOP8 ANRIC ELECTRONICS CO.,LTD. UCC2976PWR 492100 12+ IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk UCC2976PWR IC 40540 17+ NEW RoHS and More QTY SemiLex Electronics Inc (sales@semi-lex.com) UCC2976PWR N/A 85600 2016 Original&New&Rhos Hong Da Electronics Co.LTDbrenda@hongda-ic.com UCC2976PWR N/A 88870 2016 Rohs.And.New European Union IC Industry Co.linda@ic-industry38.com
UCC2977PW	Integrated Circuits (ICs)	PMIC - Power Management - Specialized	Active	IC TRNSFRMR CNTLR 3-13.5V 8TSSOP
UCC2977PW S/N 1000 2013+ 2013+ World Link Parts components Dev.ltd-ORIGINAL ONLY UCC2977PW T I 9600 INSPIRECO ELECTRONICS ... UCC2977PW TI 9404 12+ 8-TSSOP General Electronics Inc. UCC2977PW TI 2000 2013+ MULTI TOPOLOGY PIEZOELECTRIC TRANSFORMER CONTROLLER Protec Engineering (S) Pte Ltd protec@vip.163.com UCC2977PWG4 36657 14+ IN STOCK î£Ð¾ëŠ×ÓÖêÊ½»áÉç UCC2977PWG4 Texas Instruments(TI) 30,000 2102+ IC TRNSFRMR CNTLR 3-13.5V 8TSSOP Lei Li IC Components UCC2977PWG4 TI 15000 2012+ ZESEN£¨HK£©Electronics Co. sales@zesenelec.com UCC2977PWG4 TI/BB 63425 2014+ TSSOP8 ANRIC ELECTRONICS CO.,LTD.
UCC3977PW	Integrated Circuits (ICs)	PMIC - Power Management - Specialized	Active	IC TRNSF CNTRLR DUAL FET 8-TSSOP
UCC3977PWG4 TI 22350 14+ MEGA IC ELECTRONICS.CO.LTD UCC3977PWG4 TI 21552 11+ 8-TSSOP Eurotronik Components GmbH UCC3977PWG4 TI/BB 13750 11+ MSP-8 Philchip Electronics Limited UCC3977PWG4 TI/BB 20785 2014+ MSP-8 ANRIC ELECTRONICS CO.,LTD. UCC3977PWR IC 40180 17+ NEW RoHS and More QTY SemiLex Electronics Inc (sales@semi-lex.com) UCC3977PWR N/A 85600 2016 Original&New&Rhos Hong Da Electronics Co.LTDbrenda@hongda-ic.com UCC3977PWR N/A 88870 2016 Rohs.And.New European Union IC Industry Co.linda@ic-industry38.com UCC3977PWR T I 9600 THJ(HK) Technology Lim...
UCC2976PWG4	Integrated Circuits (ICs)	PMIC - Power Management - Specialized	Active	IC TRNSFRMR CNTLR 3-13.5V 8TSSOP
UCC2976PWG4 TI 22350 14+ MEGA IC ELECTRONICS.CO.LTD UCC2976PWG4 TI 8970 2012+ ZESEN(HK)ELECTRONICS CO. sally_zesen@hotmail.com UCC2976PWG4 TI/BB 13750 11+ TSSOP8 Philchip Electronics Limited UCC2976PWG4 TI/BB 63325 2014+ TSSOP8 ANRIC ELECTRONICS CO.,LTD.
UCC2977PWG4	Integrated Circuits (ICs)	PMIC - Power Management - Specialized	Active	IC TRNSFRMR CNTLR 3-13.5V 8TSSOP
UCC2977PWG4 36657 14+ IN STOCK î£Ð¾ëŠ×ÓÖêÊ½»áÉç UCC2977PWG4 Texas Instruments(TI) 30,000 2102+ IC TRNSFRMR CNTLR 3-13.5V 8TSSOP Lei Li IC Components UCC2977PWG4 TI 15000 2012+ ZESEN£¨HK£©Electronics Co. sales@zesenelec.com UCC2977PWG4 TI/BB 63425 2014+ TSSOP8 ANRIC ELECTRONICS CO.,LTD.
UCC3977PWG4	Integrated Circuits (ICs)	PMIC - Power Management - Specialized	Active	IC TRNSF CNTRLR DUAL FET 8-TSSOP
UCC3977PWG4 TI 22350 14+ MEGA IC ELECTRONICS.CO.LTD UCC3977PWG4 TI 21552 11+ 8-TSSOP Eurotronik Components GmbH UCC3977PWG4 TI/BB 13750 11+ MSP-8 Philchip Electronics Limited UCC3977PWG4 TI/BB 20785 2014+ MSP-8 ANRIC ELECTRONICS CO.,LTD.
UCD3040PFC	Integrated Circuits (ICs)	PMIC - Power Management - Specialized	Active	IC DGTL PWR CTRLR 80TQFP
UCD3040PFC S/N 1000 2013+ 2013+ World Link Parts components Dev.ltd-ORIGINAL ONLY UCD3040PFC TI 15000 2012+ ZESEN£¨HK£©Electronics Co. sales@zesenelec.com UCD3040PFC TI 68173 2014+ IC DGTL PWR CTRLR 80TQFP ANRIC ELECTRONICS CO.,LTD. UCD3040PFC TI 68173 2014+ IC DGTL PWR CTRLR 80TQFP ANRIC ELECTRONICS CO.,LTD. UCD3040PFCG4 36657 14+ IN STOCK î£Ð¾ëŠ×ÓÖêÊ½»áÉç UCD3040PFCG4 TI 6971 11+ 80-TQFP (12x12) Eurotronik Components GmbH UCD3040PFCG4 TI 6971 11+ 80-TQFP (12x12) Eurotronik Components GmbH UCD3040PFCG4 TI 68763 2014+ IC DGTL PWR CTRLR 80TQFP ANRIC ELECTRONICS CO.,LTD.
UCD3040PFCG4	Integrated Circuits (ICs)	PMIC - Power Management - Specialized	Active	IC DGTL PWR CTRLR 80TQFP
UCD3040PFCG4 36657 14+ IN STOCK î£Ð¾ëŠ×ÓÖêÊ½»áÉç UCD3040PFCG4 TI 6971 11+ 80-TQFP (12x12) Eurotronik Components GmbH UCD3040PFCG4 TI 6971 11+ 80-TQFP (12x12) Eurotronik Components GmbH UCD3040PFCG4 TI 68763 2014+ IC DGTL PWR CTRLR 80TQFP ANRIC ELECTRONICS CO.,LTD.
UC39432BDG4	Integrated Circuits (ICs)	PMIC - Power Management - Specialized	Active	IC PREC ANALOG CONTROLLER 8SOIC
UC39432BDG4 TI 22350 14+ MEGA IC ELECTRONICS.CO.LTD UC39432BDG4 TI 6836 2012+ ZESEN(HK)ELECTRONICS CO. sally_zesen@hotmail.com UC39432BDG4 TI 14430 11+ 8-SOIC Eurotronik Components GmbH UC39432BDG4 TI 68093 2014+ IC PREC ANALOG CONTROLLER 8SOIC ANRIC ELECTRONICS CO.,LTD.
UCC3976PWG4	Integrated Circuits (ICs)	PMIC - Power Management - Specialized	Active	IC TRNSF CNTRLR DUAL FET 8-TSSOP
UCC3976PWG4 36657 14+ IN STOCK î£Ð¾ëŠ×ÓÖêÊ½»áÉç UCC3976PWG4 Texas Instruments(TI) 30,000 2102+ IC TRNSF CNTRLR DUAL FET 8-TSSOP Lei Li IC Components UCC3976PWG4 TI 9360 12+ 8-TSSOP General Electronics Inc. UCC3976PWG4 TI 68953 2014+ IC TRNSF CNTRLR DUAL FET 8-TSSOP ANRIC ELECTRONICS CO.,LTD.
UC3907N	Integrated Circuits (ICs)	PMIC - Power Management - Specialized	Active	IC LOAD SHARE CONTROLLER 16-DIP
UC3907N TI 7800 09+ DIP Ocean International Trading Co. UC3907N UC 200 11+ 11+ ZESEN(HK)ELECTRONICS CO. sally_zesen@hotmail.com UC3907N UC 8600 2012+ DIP Wintech Components Ltd UC3907N UC 200 11+ DIP-16 Wintech Components Limited
UC2901QG3	Integrated Circuits (ICs)	PMIC - Power Management - Specialized	Active	IC ISOLATED FB GENERATOR 20PLCC
UC2901QG3 492100 12+ IC INTERNATIONAL TRADING CO. UC2901QG3 TI 1400 12+ 20-PLCC (9x9) SINLIN ELECTRONICS LIMITED Authorized Distributor UC2901QG3 TI 50000 14+ PLCC-20 Protec Engineering (S) Pte Ltd UC2901QG3 TI 50000 14+ PLCC-20 Protec Engineering (S) Pte Ltd protec@vip.163.com