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ISOW774x/ISOW774x-Q1 Quad-Ch Digital Isolators

Texas Instruments ISOW774x/ISOW774x-Q1 Quad-Channel Digital Isolators are galvanically isolated with an integrated high-efficiency power converter to produce low emissions. The integrated DC-DC converter supports up to 550mW of isolated power, eliminating the need for a separate isolated power supply in space-constrained isolated designs. TI ISOW774x/ISOW774x-Q1 Quad-Channel Digital Isolators feature high electromagnetic immunity while isolating CMOS or LVCMOS digital I/Os. The isolators help to prevent noise currents on data buses, such as UART, SPI, RS-485, RS-232, CAN or other circuits, from entering the local ground and interfering with or damaging sensitive circuitry. The ISOW774x/ISOW774x-Q1 is housed in a 20-pin SOIC wide-body (SOIC-WB) DFM package and allows for operation at a wide operating ambient temperature range of –40°C to +125°C.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Series	Mounting Style	Package/Case	Number of Channels	Polarity	Data Rate	Isolation Voltage	Isolation Type	Supply Voltage - Max	Supply Voltage - Min	Operating Supply Current	Propagation Delay Time	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
Digital Isolators Automotive low-emis sions quad-channel ISOW7742QDFMRQ1 Texas Instruments 1: $11.39 1,130In Stock	Mfr. Part No. ISOW7742QDFMRQ1 Mouser Part No 595-ISOW7742QDFMRQ1	Texas Instruments	Digital Isolators Automotive low-emis sions quad-channel Learn More about Texas Instruments ti isow774x isolators	Datasheet	1,130In Stock	Cut Tape $11.39 $8.89 $8.26 $7.57 View Reel $6.55 $7.19 $6.68 $6.55 Quote MouseReel Available	Min.: 1 Mult.: 1 : 850	ISOW7742	SMD/SMT	SOIC-20	4 Channel		100 Mb/s,kb	5000 Vrms	Galvanic Isolation	5.5 V	2.97 V	280 uA	10.7 ns	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
Digital Isolators Low-emissions low-r ipple quad-channel ISOW7743DFMR Texas Instruments 1: $9.41 2,473In Stock	Mfr. Part No. ISOW7743DFMR Mouser Part No 595-ISOW7743DFMR	Texas Instruments	Digital Isolators Low-emissions low-r ipple quad-channel Learn More about Texas Instruments ti isow774x isolators	Datasheet	2,473In Stock	Cut Tape $9.41 $7.30 $6.78 $6.20 Reel $5.28 View $5.93 $5.36 $5.25 MouseReel Available	Min.: 1 Mult.: 1 : 850	ISOW7743	SMD/SMT	SOIC-20	4 Channel	Unidirectional	100 Mb/s,kb	5000 Vrms	Galvanic Isolation	5.5 V	2.97 V	4.4 mA, 11.4 mA	10.7 ns	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
Digital Isolators Automotive low-emis sions quad-channel ISOW7742FQDFMRQ1 Texas Instruments 1: $11.29 2,278In Stock	Mfr. Part No. ISOW7742FQDFMRQ1 Mouser Part No 595-ISOW7742FQDFMRQ1	Texas Instruments	Digital Isolators Automotive low-emis sions quad-channel Learn More about Texas Instruments ti isow774x isolators	Datasheet	2,278In Stock	Cut Tape $11.29 $8.84 $8.22 $7.55 View Reel $7.05 $7.19 $7.05 $7.05 Quote MouseReel Available	Min.: 1 Mult.: 1 : 850	ISOW7742	SMD/SMT	SOIC-20	4 Channel		100 Mb/s,kb	5000 Vrms	Galvanic Isolation	5.5 V	2.97 V	280 uA	10.7 ns	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
Digital Isolators Low-emissions low-r ipple quad-channel ISOW7741BDFMR Texas Instruments 1: $8.70 3,695In Stock	Mfr. Part No. ISOW7741BDFMR Mouser Part No 595-ISOW7741BDFMR	Texas Instruments	Digital Isolators Low-emissions low-r ipple quad-channel Learn More about Texas Instruments ti isow774x isolators	Datasheet	3,695In Stock	Cut Tape $8.70 $6.76 $6.26 $5.73 Reel $5.11 View $5.54 $5.22 $4.99 MouseReel Available	Min.: 1 Mult.: 1 : 850	ISOW7741	SMD/SMT	SOIC-20	4 Channel		100 Mb/s,kb	5000 Vrms	Galvanic Isolation	3.63 V	2.97 V	280 uA	10.7 ns	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
Digital Isolators Automotive low-emis sions quad-channel ISOW7741FQDFMRQ1 Texas Instruments 1: $11.77 21In Stock 1,700Expected 2027/04/15	Mfr. Part No. ISOW7741FQDFMRQ1 Mouser Part No 595-ISOW7741FQDFMRQ1	Texas Instruments	Digital Isolators Automotive low-emis sions quad-channel Learn More about Texas Instruments ti isow774x isolators	Datasheet	21In Stock 1,700Expected 2027/04/15	Cut Tape $11.77 $9.15 $8.49 $7.77 $7.62 Reel $6.76 MouseReel Available	Min.: 1 Mult.: 1 : 850	ISOW7741	SMD/SMT	SOIC-20	4 Channel		100 Mb/s,kb	5000 Vrms	Galvanic Isolation	5.5 V	2.97 V	280 uA	10.7 ns	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
Digital Isolators Low-emissions low-r ipple quad-channel ISOW7740DFMR Texas Instruments 1: $10.03 690In Stock	Mfr. Part No. ISOW7740DFMR Mouser Part No 595-ISOW7740DFMR	Texas Instruments	Digital Isolators Low-emissions low-r ipple quad-channel Learn More about Texas Instruments ti isow774x isolators	Datasheet	690In Stock	Cut Tape $10.03 $7.79 $7.23 $6.62 Reel $5.52 View $6.43 $5.77 $5.40 MouseReel Available	Min.: 1 Mult.: 1 : 850	ISOW7740	SMD/SMT	SOIC-20	4 Channel	Unidirectional	100 Mb/s,kb	5000 Vrms	Galvanic Isolation	5.5 V	2.97 V	14.6 mA	10.7 ns	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
Digital Isolators Low-emissions low-r ipple quad-channel ISOW7740FDFMR Texas Instruments 1: $9.98 631In Stock	Mfr. Part No. ISOW7740FDFMR Mouser Part No 595-ISOW7740FDFMR	Texas Instruments	Digital Isolators Low-emissions low-r ipple quad-channel Learn More about Texas Instruments ti isow774x isolators	Datasheet	631In Stock	Cut Tape $9.98 $7.76 $7.21 $6.61 Reel $5.48 View $6.40 $5.64 $5.34 MouseReel Available	Min.: 1 Mult.: 1 : 850	ISOW7740	SMD/SMT	SOIC-20	4 Channel	Unidirectional	100 Mb/s,kb	5000 Vrms	Galvanic Isolation	5.5 V	2.97 V	14.6 mA	10.7 ns	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
Digital Isolators Low-emissions low-r ipple quad-channel ISOW7742FDFMR Texas Instruments 1: $9.35 288In Stock 1,700Expected 2026/11/13	Mfr. Part No. ISOW7742FDFMR Mouser Part No 595-ISOW7742FDFMR	Texas Instruments	Digital Isolators Low-emissions low-r ipple quad-channel Learn More about Texas Instruments ti isow774x isolators	Datasheet	288In Stock 1,700Expected 2026/11/13	Cut Tape $9.35 $7.28 $6.76 $6.19 Reel $5.48 View $5.93 $5.64 $5.31 MouseReel Available	Min.: 1 Mult.: 1 : 850	ISOW7742	SMD/SMT	SOIC-20	4 Channel	Unidirectional	100 Mb/s,kb	5000 Vrms	Galvanic Isolation	5.5 V	2.97 V	5.4 mA, 16.7 mA	10.7 ns	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
Digital Isolators Low-emissions low-r ipple quad-channel ISOW7743FDFMR Texas Instruments 1: $10.70 1,033In Stock	Mfr. Part No. ISOW7743FDFMR Mouser Part No 595-ISOW7743FDFMR	Texas Instruments	Digital Isolators Low-emissions low-r ipple quad-channel Learn More about Texas Instruments ti isow774x isolators	Datasheet	1,033In Stock	Cut Tape $10.70 $8.36 $7.78 $7.14 View Reel $5.54 $6.43 $5.54 $5.54 MouseReel Available	Min.: 1 Mult.: 1 : 850	ISOW7743	SMD/SMT	SOIC-20	4 Channel	Unidirectional	100 Mb/s,kb	5000 Vrms	Galvanic Isolation	5.5 V	2.97 V	4.4 mA, 11.4 mA	10.7 ns	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
Digital Isolators Low-emissions low-r ipple quad-channel ISOW7744FDFMR Texas Instruments 1: $10.03 421In Stock	Mfr. Part No. ISOW7744FDFMR Mouser Part No 595-ISOW7744FDFMR	Texas Instruments	Digital Isolators Low-emissions low-r ipple quad-channel Learn More about Texas Instruments ti isow774x isolators	Datasheet	421In Stock	Cut Tape $10.03 $7.79 $7.23 $6.62 Reel $5.48 View $6.43 $5.61 $5.34 MouseReel Available	Min.: 1 Mult.: 1 : 850	ISOW7744	SMD/SMT	SOIC-20	4 Channel	Unidirectional	100 Mb/s,kb	5000 Vrms	Galvanic Isolation	5.5 V	2.97 V	3.6 mA	10.7 ns	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
Digital Isolators Low-emissions low-r ipple quad-channel ISOW7741FBDFMR Texas Instruments 1: $8.70 102In Stock 1,700Expected 2027/02/01	Mfr. Part No. ISOW7741FBDFMR Mouser Part No 595-ISOW7741FBDFMR	Texas Instruments	Digital Isolators Low-emissions low-r ipple quad-channel Learn More about Texas Instruments ti isow774x isolators	Datasheet	102In Stock 1,700Expected 2027/02/01	Cut Tape $8.70 $6.76 $6.26 $5.73 Reel $5.11 View $5.54 $5.22 $4.99 MouseReel Available	Min.: 1 Mult.: 1 : 850	ISOW7741	SMD/SMT	SOIC-20	4 Channel		100 Mb/s,kb	5000 Vrms	Galvanic Isolation	5.5 V	2.97 V	280 uA	15 ns	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
Digital Isolators Low-emissions low-r ipple quad-channel ISOW7742DFMR Texas Instruments 1: $10.03 4,064On Order	Mfr. Part No. ISOW7742DFMR Mouser Part No 595-ISOW7742DFMR	Texas Instruments	Digital Isolators Low-emissions low-r ipple quad-channel Learn More about Texas Instruments ti isow774x isolators	Datasheet	4,064On Order On Order Ship Dates Mfr. No: ISOW7742DFMR Stock: 0 On Order: 664 Expected 2027/02/08 3,400 Expected 2027/03/11 Factory Lead Time: 16 Weeks	Cut Tape $10.03 $7.79 $7.23 $6.62 Reel $6.01 View $6.43 $6.11 $5.72 MouseReel Available	Min.: 1 Mult.: 1 : 850	ISOW7742	SMD/SMT	SOIC-20	4 Channel	Unidirectional	100 Mb/s,kb	5000 Vrms	Galvanic Isolation	5.5 V	2.97 V	5.4 mA, 16.7 mA	10.7 ns	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
Digital Isolators Low-emissions low-r ipple quad-channel ISOW7744DFMR Texas Instruments 1: $10.61 26In Stock	Mfr. Part No. ISOW7744DFMR Mouser Part No 595-ISOW7744DFMR	Texas Instruments	Digital Isolators Low-emissions low-r ipple quad-channel Learn More about Texas Instruments ti isow774x isolators	Datasheet	26In Stock	Cut Tape $10.61 $8.28 $7.69 $6.58 View Reel $5.64 $6.38 $5.64 $5.64 MouseReel Available	Min.: 1 Mult.: 1 : 850	ISOW7744	SMD/SMT	SOIC-20	4 Channel	Unidirectional	100 Mb/s,kb	5000 Vrms	Galvanic Isolation	5.5 V	2.97 V	3.6 mA	10.7 ns	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
Digital Isolators Low-emissions low-r ipple quad-channel ISOW7741DFMR Texas Instruments 1: $9.66 3,366On Order	Mfr. Part No. ISOW7741DFMR Mouser Part No 595-ISOW7741DFMR	Texas Instruments	Digital Isolators Low-emissions low-r ipple quad-channel Learn More about Texas Instruments ti isow774x isolators	Datasheet	3,366On Order On Order Ship Dates Mfr. No: ISOW7741DFMR Stock: 0 On Order: 1,666 Expected 2026/12/10 1,700 Expected 2027/02/05 Factory Lead Time: 16 Weeks	Cut Tape $9.66 $7.50 $6.97 $6.37 Reel $5.71 View $6.16 $5.86 $5.55 MouseReel Available	Min.: 1 Mult.: 1 : 850	ISOW7741	SMD/SMT	SOIC-20	4 Channel		100 Mb/s,kb	5000 Vrms	Galvanic Isolation	5.5 V	2.97 V	280 uA	10.7 ns	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
Digital Isolators Automotive low-emis sions quad-channel ISOW7741QDFMRQ1 Texas Instruments 1: $11.34 5,944On Order	Mfr. Part No. ISOW7741QDFMRQ1 Mouser Part No 595-ISOW7741QDFMRQ1	Texas Instruments	Digital Isolators Automotive low-emis sions quad-channel Learn More about Texas Instruments ti isow774x isolators	Datasheet	5,944On Order On Order Ship Dates Mfr. No: ISOW7741QDFMRQ1 Stock: 0 On Order: 844 Expected 2026/11/16 1,700 Expected 2027/02/11 3,400 Expected 2027/02/25 Factory Lead Time: 26 Weeks	Cut Tape $11.34 $8.86 $8.25 $7.56 View Reel $6.91 $7.47 $6.91 $6.91 MouseReel Available	Min.: 1 Mult.: 1 : 850	ISOW7741	SMD/SMT	SOIC-20	4 Channel		100 Mb/s,kb	5000 Vrms	Galvanic Isolation	5.5 V	2.97 V	280 uA	10.7 ns	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
Digital Isolators Low-emissions low-r ipple quad-channel ISOW7741FDFMR Texas Instruments 1: $9.66 1,480On Order	Mfr. Part No. ISOW7741FDFMR Mouser Part No 595-ISOW7741FDFMR	Texas Instruments	Digital Isolators Low-emissions low-r ipple quad-channel Learn More about Texas Instruments ti isow774x isolators	Datasheet	1,480On Order On Order Ship Dates Mfr. No: ISOW7741FDFMR Stock: 0 On Order: 630 Expected 2027/01/11 850 Expected 2027/01/21 Factory Lead Time: 16 Weeks	Cut Tape $9.66 $7.50 $6.97 $6.37 Reel $5.48 View $6.16 $5.61 $5.34 MouseReel Available	Min.: 1 Mult.: 1 : 850	ISOW7741	SMD/SMT	SOIC-20	4 Channel		100 Mb/s,kb	5000 Vrms	Galvanic Isolation	5.5 V	2.97 V	280 uA	10.7 ns	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel

ISOW774x/ISOW774x-Q1 Quad-Ch Digital Isolators

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