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RS-232 Interface IC

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package/Case	Series	Function	Data Rate	Number of Drivers	Number of Receivers	Duplex	Supply Voltage - Max	Supply Voltage - Min	Operating Supply Current	Minimum Operating Temperature	Maximum Operating Temperature	ESD Protection	Packaging
RS-232 Interface IC Lo Power 2Drvr/2Rcvr ST3232ECDR STMicroelectronics 1: HK$13.48 2,697In Stock 5,000Expected 22/3/2027	Mfr. Part No. ST3232ECDR Mouser Part No 511-ST3232ECD	STMicroelectronics	RS-232 Interface IC Lo Power 2Drvr/2Rcvr Learn More about STMicroelectronics stm standard products	Datasheet	2,697In Stock 5,000Expected 22/3/2027	Cut Tape HK$13.48 HK$9.95 HK$8.96 HK$7.94 Reel HK$6.52 View HK$7.46 HK$7.18 HK$7.07 HK$6.24 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SOIC-16	ST3232EC		250 kb/s				5 V	3 V	300 uA	0 C	+ 70 C		Reel, Cut Tape, MouseReel
RS-232 Interface IC Transcvr 5Drvr/3Rcvr ST3237EBPR STMicroelectronics 1: HK$20.14 1,223In Stock	Mfr. Part No. ST3237EBPR Mouser Part No 511-ST3237EBP	STMicroelectronics	RS-232 Interface IC Transcvr 5Drvr/3Rcvr Learn More about STMicroelectronics stm standard products	Datasheet	1,223In Stock	Cut Tape HK$20.14 HK$15.29 HK$14.14 HK$12.82 Reel HK$11.18 View HK$12.17 HK$11.84 HK$11.01 HK$10.03 MouseReel Available	Min.: 1 Mult.: 1 : 1,350	SMD/SMT	SSOP-28	ST3237EB		1 Mb/s				5.5 V	3 V	1 mA	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
RS-232 Interface IC Transcvr 3Drvr/5Rcvr ST3241EBPR STMicroelectronics 1: HK$31.98 1,683In Stock	Mfr. Part No. ST3241EBPR Mouser Part No 511-ST3241EBP	STMicroelectronics	RS-232 Interface IC Transcvr 3Drvr/5Rcvr Learn More about STMicroelectronics stm standard products	Datasheet	1,683In Stock	Cut Tape HK$31.98 HK$24.17 HK$22.19 HK$20.06 Reel HK$17.10 View HK$18.99 HK$18.91 HK$15.95 MouseReel Available	Min.: 1 Mult.: 1 : 1,350	SMD/SMT	SSOP-28	ST3241EB		250 kb/s				5.5 V	3 V	1 mA	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
RS-232 Interface IC 5V 2Driver/2Receiver ST232BTR STMicroelectronics 1: HK$10.11 2,248In Stock	Mfr. Part No. ST232BTR Mouser Part No 511-ST232B	STMicroelectronics	RS-232 Interface IC 5V 2Driver/2Receiver Learn More about STMicroelectronics stm standard products	Datasheet	2,248In Stock	Cut Tape HK$10.11 HK$7.33 HK$6.60 HK$5.80 Reel HK$4.92 View HK$5.43 HK$5.20 HK$5.03 HK$4.79 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	TSSOP-16	ST232B		220 kb/s				5.5 V	4.5 V	5 mA	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
RS-232 Interface IC 5V 2Driver/2Receiver ST232BDR STMicroelectronics 1: HK$8.47 2,332In Stock 7,500Expected 28/9/2026	Mfr. Part No. ST232BDR Mouser Part No 511-ST232BDR	STMicroelectronics	RS-232 Interface IC 5V 2Driver/2Receiver Learn More about STMicroelectronics stm standard products	Datasheet	2,332In Stock 7,500Expected 28/9/2026	Cut Tape HK$8.47 HK$6.08 HK$5.49 HK$4.83 Reel HK$3.99 View HK$4.53 HK$4.34 HK$4.22 HK$3.90 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SOIC-16	ST232B		220 kb/s				5.5 V	4.5 V	5 mA	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
RS-232 Interface IC 5V 2Driver/2Receiver ST232CDR STMicroelectronics 1: HK$6.66 1,319In Stock 17,500On Order	Mfr. Part No. ST232CDR Mouser Part No 511-ST232CDR	STMicroelectronics	RS-232 Interface IC 5V 2Driver/2Receiver Learn More about STMicroelectronics stm standard products	Datasheet	1,319In Stock 17,500On Order On Order Ship Dates Mfr. No: ST232CDR Stock: 1,319 Can Dispatch Immediately On Order: 2,500 Expected 28/9/2026 5,000 Expected 15/10/2026 10,000 Expected 12/2/2027 Factory Lead Time: 30 Weeks	Cut Tape HK$6.66 HK$4.83 HK$4.37 HK$3.87 Reel HK$3.24 View HK$3.63 HK$3.49 HK$3.37 HK$3.16 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SOIC-16	ST232C	Transceiver	220 kb/s	2 Driver	2 Receiver	Full Duplex	5.5 V	4.5 V	5 mA	0 C	+ 70 C	Without ESD Protection	Reel, Cut Tape, MouseReel
RS-232 Interface IC Lo Power 2Drvr/2Rcvr ST3222EBPR STMicroelectronics 1: HK$18.00 103In Stock 1,350Expected 26/4/2027	Mfr. Part No. ST3222EBPR Mouser Part No 511-ST3222EBP	STMicroelectronics	RS-232 Interface IC Lo Power 2Drvr/2Rcvr Learn More about STMicroelectronics stm standard products	Datasheet	103In Stock 1,350Expected 26/4/2027	Cut Tape HK$18.00 HK$13.32 HK$12.08 HK$10.85 View Reel HK$9.45 HK$10.19 HK$9.86 HK$9.45 MouseReel Available	Min.: 1 Mult.: 1 : 1,350	SMD/SMT	SSOP-20	ST3222EB		250 kb/s				5 V	3 V	300 uA	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
RS-232 Interface IC Lo Power 2Drvr/2Rcvr ST3232BTR STMicroelectronics 1: HK$12.41 45In Stock 22,500On Order	Mfr. Part No. ST3232BTR Mouser Part No 511-ST3232BT	STMicroelectronics	RS-232 Interface IC Lo Power 2Drvr/2Rcvr Learn More about STMicroelectronics stm standard products	Datasheet	45In Stock 22,500On Order On Order Ship Dates Mfr. No: ST3232BTR Stock: 45 Can Dispatch Immediately On Order: 7,500 Expected 12/4/2027 15,000 Expected 14/5/2027 Factory Lead Time: 30 Weeks	Cut Tape HK$12.41 HK$9.04 HK$8.17 HK$7.06 View Reel HK$5.32 HK$6.62 HK$6.35 HK$6.17 HK$5.32 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	TSSOP-16	ST3232B		400 kb/s				5.5 V	3 V	300 uA	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
RS-232 Interface IC Lo Power 2Drvr/2Rcvr ST3232EBTR STMicroelectronics 1: HK$13.81 6In Stock 7,500Expected 29/1/2027	Mfr. Part No. ST3232EBTR Mouser Part No 511-ST3232EB	STMicroelectronics	RS-232 Interface IC Lo Power 2Drvr/2Rcvr Learn More about STMicroelectronics stm standard products	Datasheet	6In Stock 7,500Expected 29/1/2027	Cut Tape HK$13.81 HK$10.11 HK$9.21 HK$7.92 View Reel HK$6.49 HK$7.45 HK$7.15 HK$7.08 HK$6.49 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	TSSOP-16	ST3232EB		250 kb/s				5 V	3 V	300 uA	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
RS-232 Interface IC Lo Power 2Drvr/2Rcvr ST3232ECTR STMicroelectronics 1: HK$12.08 694In Stock 5,000Expected 31/10/2026	Mfr. Part No. ST3232ECTR Mouser Part No 511-ST3232EC	STMicroelectronics	RS-232 Interface IC Lo Power 2Drvr/2Rcvr Learn More about STMicroelectronics stm standard products	Datasheet	694In Stock 5,000Expected 31/10/2026	Cut Tape HK$12.08 HK$8.88 HK$8.01 HK$7.10 View Reel HK$6.17 HK$6.67 HK$6.41 HK$6.33 HK$6.17 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	TSSOP-16	ST3232EC		250 kb/s				5 V	3 V	300 uA	0 C	+ 70 C		Reel, Cut Tape, MouseReel
RS-232 Interface IC 15kV ESD protected 3 to 5.5V, 400kbps, RS-232 transceiver with auto power-down ST3243EBTR STMicroelectronics 1: HK$21.13 5,000On Order	Mfr. Part No. ST3243EBTR Mouser Part No 511-ST3243EB	STMicroelectronics	RS-232 Interface IC 15kV ESD protected 3 to 5.5V, 400kbps, RS-232 transceiver with auto power-down Learn More about STMicroelectronics stm standard products	Datasheet	5,000On Order	Cut Tape HK$21.13 HK$15.70 HK$14.30 HK$12.82 View Reel HK$11.01 HK$12.08 HK$11.67 HK$11.26 HK$11.01 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	TSSOP-28	ST3243EB		400 kb/s				5.5 V	3 V	10 mA	0 C	+ 70 C		Reel, Cut Tape, MouseReel
RS-232 Interface IC Transcvr 3Drvr/5Rcvr ST3243ECTR-E STMicroelectronics 1: HK$33.54 Non-Stocked Lead-Time 30 Weeks	Mfr. Part No. ST3243ECTR-E Mouser Part No 511-ST3243ECTR-E	STMicroelectronics	RS-232 Interface IC Transcvr 3Drvr/5Rcvr Learn More about STMicroelectronics stm standard products	Datasheet	Non-Stocked Lead-Time 30 Weeks	Cut Tape HK$33.54 HK$25.32 HK$23.26 HK$20.96 View Reel HK$17.59 HK$19.89 HK$19.81 HK$18.66 HK$17.59 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	TSSOP-28	ST3243EC	Transceiver								0 C	+ 70 C		Reel, Cut Tape, MouseReel