RS-232 Interface IC – Mouser Japan

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ISL3232E/ISL4221E/ISL4223E RS-232 Interface ICs

Renesas Electronics ISL3232E/ISL4221E/ISL4223E RS-232 Interface ICs are 2.7V to 5.5V powered RS-232 transmitters/receivers that meet ElA/TIA-232 and V.28/V.24 specifications, even at V_CC = 3.0V. The devices provide ±15kV ESD protection (IEC61000-4-2 Air Gap and Human Body Model) on transmitter outputs and receiver inputs (RS-232 pins).

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) 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 3V RS-232 2TX/2RX TRANSC 20LD 5X5 ISL4223EIRZ-T7A Renesas / Intersil 1: ¥1,483.3 1,265In Stock	Mfr. Part # ISL4223EIRZ-T7A Mouser Part # 968-ISL4223EIRZ-T7A	Renesas / Intersil	RS-232 Interface IC 3V RS-232 2TX/2RX TRANSC 20LD 5X5 Learn More about Renesas / Intersil renesas isl3232e isl4221e isl4223e interface ics	Datasheet	1,265In Stock	Cut Tape ¥1,483.3 ¥1,149.4 ¥1,066.4 ¥973.3 Reel ¥878.7 View ¥850.4 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	SMD/SMT	QFN-20	ISL4223E	Transceiver	250 kb/s	2 Driver	2 Receiver	Full Duplex	5.5 V	2.7 V	150 nA	- 40 C	+ 85 C	15 kV	Reel, Cut Tape, MouseReel
RS-232 Interface IC 3V RS-232 1TX/1RX TRANSC 16LD 5X5 ISL4221EIRZ-T Renesas / Intersil 1: ¥800.6 7,264In Stock	Mfr. Part # ISL4221EIRZ-T Mouser Part # 968-ISL4221EIRZ-T	Renesas / Intersil	RS-232 Interface IC 3V RS-232 1TX/1RX TRANSC 16LD 5X5 Learn More about Renesas / Intersil renesas isl3232e isl4221e isl4223e interface ics	Datasheet	7,264In Stock	Cut Tape ¥800.6 ¥619.6 ¥546.5 ¥493.3 View Reel ¥425.2 ¥468.4 ¥458.4 ¥441.8 ¥435.2 ¥425.2 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	SMD/SMT	QFN-16	ISL4221E	Transceiver	250 kb/s	1 Driver	1 Receiver	Full Duplex	5.5 V	2.7 V	1 mA	- 40 C	+ 85 C	15 kV	Reel, Cut Tape, MouseReel
RS-232 Interface IC Pb-Free 3V RS-232 2TX/2RX -40+85 TRANSCEIVER, 20LD 5X5 QFN, ISL4223EIRZ-TK Renesas / Intersil 1: ¥1,086.3 536In Stock	Mfr. Part # ISL4223EIRZ-TK Mouser Part # 968-ISL98611AII-EVZ	Renesas / Intersil	RS-232 Interface IC Pb-Free 3V RS-232 2TX/2RX -40+85 TRANSCEIVER, 20LD 5X5 QFN, Learn More about Renesas / Intersil renesas isl3232e isl4221e isl4223e interface ics	Datasheet	536In Stock	Cut Tape ¥1,086.3 ¥822.2 ¥757.4 ¥686 Reel ¥617.9 View ¥652.8 ¥632.8 ¥601.3 Quote	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	QFN-20	ISL4223E	Transceiver	250 kb/s	2 Driver	2 Receiver	Full Duplex	5.5 V	2.7 V	150 nA	- 40 C	+ 85 C	15 kV	Reel, Cut Tape
RS-232 Interface IC 3V RS-232 1TX/1RX -4 0+85 TRANS 16LD 5X5 ISL4221EIRZ Renesas / Intersil 1: ¥790.6 57In Stock 4,020On Order	Mfr. Part # ISL4221EIRZ Mouser Part # 968-ISL4221EIRZ	Renesas / Intersil	RS-232 Interface IC 3V RS-232 1TX/1RX -4 0+85 TRANS 16LD 5X5 Learn More about Renesas / Intersil renesas isl3232e isl4221e isl4223e interface ics	Datasheet	57In Stock 4,020On Order On Order Ship Dates Mfr. #: ISL4221EIRZ Stock: 57 Can Ship Immediately On Order: 2,100 Expected 1/18/2027 1,920 Expected 3/8/2027 Factory Lead-Time: 36 Weeks	¥790.6 ¥588 ¥516.6 ¥481.7 View ¥456.8 ¥448.5 ¥428.5 ¥420.2	Min.: 1 Mult.: 1	SMD/SMT	QFN-16	ISL4221E	Transceiver	250 kb/s	1 Driver	1 Receiver	Full Duplex	5.5 V	2.7 V	1 mA	- 40 C	+ 85 C	15 kV	Tube
RS-232 Interface IC 3V RS-232 2TX/2RX TRANSC 20LD 5X5 ISL4223EIRZ Renesas / Intersil 1: ¥1,058.1 249In Stock 960On Order	Mfr. Part # ISL4223EIRZ Mouser Part # 968-ISL4223EIRZ	Renesas / Intersil	RS-232 Interface IC 3V RS-232 2TX/2RX TRANSC 20LD 5X5 Learn More about Renesas / Intersil renesas isl3232e isl4221e isl4223e interface ics	Datasheet	249In Stock 960On Order On Order Ship Dates Mfr. #: ISL4223EIRZ Stock: 249 Can Ship Immediately On Order: 240 Expected 5/10/2027 720 Expected 8/2/2027 Factory Lead-Time: 36 Weeks	¥1,058.1 ¥808.9 ¥724.2 ¥674.4 View ¥642.8 ¥627.9 ¥617.9 ¥602.9 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	ISL4223E	Transceiver	250 kb/s	2 Driver	2 Receiver	Full Duplex	5.5 V	2.7 V	150 nA	- 40 C	+ 85 C	15 kV	Tube
RS-232 Interface IC 3V RS-232 2TX/2RX TRANSC 16LD 5X5 ISL3232EIRZ Renesas / Intersil 1: ¥529.9 5,030On Order	Mfr. Part # ISL3232EIRZ Mouser Part # 968-ISL3232EIRZ	Renesas / Intersil	RS-232 Interface IC 3V RS-232 2TX/2RX TRANSC 16LD 5X5 Learn More about Renesas / Intersil renesas isl3232e isl4221e isl4223e interface ics	Datasheet	5,030On Order On Order Ship Dates Mfr. #: ISL3232EIRZ Stock: 0 On Order: 350 Expected 5/25/2027 1,620 Expected 7/16/2027 3,060 Expected 7/22/2027 Factory Lead-Time: 36 Weeks	¥529.9 ¥382 ¥320.6 ¥304 View ¥287.4 ¥277.4 ¥269.1	Min.: 1 Mult.: 1	SMD/SMT	QFN-16	ISL3232E	Transceiver	250 kb/s	2 Driver	2 Receiver	Full Duplex	5.5 V	2.7 V	1 mA	- 40 C	+ 85 C	15 kV	Tube
RS-232 Interface IC 3V RS-232 2TX/2RX -4 0+85 TRANS 16LD 5X5 ISL3232EIRZ-T7A Renesas / Intersil 1: ¥636.2 250Expected 5/24/2027	Mfr. Part # ISL3232EIRZ-T7A Mouser Part # 968-ISL3232EIRZ-T7A	Renesas / Intersil	RS-232 Interface IC 3V RS-232 2TX/2RX -4 0+85 TRANS 16LD 5X5 Learn More about Renesas / Intersil renesas isl3232e isl4221e isl4223e interface ics	Datasheet	250Expected 5/24/2027	Cut Tape ¥636.2 ¥569.7 ¥456.8 ¥420.2 Reel ¥402 View ¥398.6 ¥388.7 ¥385.4 MouseReel Available	Min.: 1 Mult.: 1 : 250	SMD/SMT	QFN-16	ISL3232E	Transceiver	250 kb/s	2 Driver	2 Receiver	Full Duplex	5.5 V	2.7 V	1 mA	- 40 C	+ 85 C	15 kV	Reel, Cut Tape, MouseReel
RS-232 Interface IC 3V RS-232 2TX/2RX TRANSC 16LD 5X5 ISL3232EIRZ-T Renesas / Intersil 6,000: ¥252.5 Non-Stocked Lead-Time 36 Weeks	Mfr. Part # ISL3232EIRZ-T Mouser Part # 968-ISL3232EIRZ-T	Renesas / Intersil	RS-232 Interface IC 3V RS-232 2TX/2RX TRANSC 16LD 5X5 Learn More about Renesas / Intersil renesas isl3232e isl4221e isl4223e interface ics	Datasheet	Non-Stocked Lead-Time 36 Weeks	Reel ¥252.5	Min.: 6,000 Mult.: 6,000 : 6,000	SMD/SMT	QFN-16	ISL3232E	Transceiver	500 kb/s	1 Driver	2 Receiver		5.5 V	2.7 V	1 mA	- 40 C	+ 85 C	ESD Protection	Reel
RS-232 Interface IC 3V RS-232 2TX/2RX TRANSC 20LD 5X5 ISL4223EIRZ-T Renesas / Intersil 6,000: ¥616.2 Non-Stocked Lead-Time 36 Weeks	Mfr. Part # ISL4223EIRZ-T Mouser Part # 968-ISL4223EIRZ-T	Renesas / Intersil	RS-232 Interface IC 3V RS-232 2TX/2RX TRANSC 20LD 5X5 Learn More about Renesas / Intersil renesas isl3232e isl4221e isl4223e interface ics	Datasheet	Non-Stocked Lead-Time 36 Weeks	Reel ¥616.2	Min.: 6,000 Mult.: 6,000 : 6,000	SMD/SMT	QFN-20	ISL4223E	Transceiver	250 kb/s	2 Driver	2 Receiver		5.5 V	2.7 V	150 nA	- 40 C	+ 85 C	ESD Protection	Reel

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ISL3232E/ISL4221E/ISL4223E RS-232 Interface ICs

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