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Digital Isolators

Digital Isolators are in stock with same-day shipping at Mouser. Mouser is an authorized distributor for many leading Digital Isolator manufacturers including Broadcom, Infineon, Skyworks, STMicroelectronics, Texas Instruments, Toshiba,Vicor, Wurth & more.
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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	Propagation Delay Time	Minimum Operating Temperature	Maximum Operating Temperature	Qualification	Packaging
Digital Isolators 3.75 kV 3-channel digital isolator SI8631BC-B-IS1 Skyworks Solutions, Inc. 1: $3.50 36In Stock 384Expected 11/26/2026	Mfr. Part # SI8631BC-B-IS1 Mouser Part # 634-SI8631BC-B-IS1	Skyworks Solutions, Inc.	Digital Isolators 3.75 kV 3-channel digital isolator Learn More about Skyworks Solutions, Inc. siliconlabssi86x	Datasheet	36In Stock 384Expected 11/26/2026	$3.50 $2.62 $2.33 $2.12 View $2.02 $1.97 $1.89 $1.83 $1.80	Min.: 1 Mult.: 1	si863x	SMD/SMT	SOIC-Narrow-16	3 Channel	Unidirectional	150 Mb/s	3750 Vrms	Capacitive Coupling	5.5 V	2.5 V	8 ns	- 40 C	+ 125 C	AEC-Q100	Tube
Digital Isolators 3.75 kV 3-channel digital isolator SI8631BC-B-IS1R Skyworks Solutions, Inc. 1: $3.36 10In Stock 2,500Expected 1/8/2027	Mfr. Part # SI8631BC-B-IS1R Mouser Part # 634-SI8631BC-B-IS1R	Skyworks Solutions, Inc.	Digital Isolators 3.75 kV 3-channel digital isolator Learn More about Skyworks Solutions, Inc. siliconlabssi86x	Datasheet	10In Stock 2,500Expected 1/8/2027	Cut Tape $3.36 $2.52 $2.31 $2.08 Reel $1.79 View $1.97 $1.95 $1.89 $1.75 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	si863x	SMD/SMT	SOIC-Narrow-16	3 Channel	Unidirectional	150 Mb/s	3750 Vrms	Capacitive Coupling	5.5 V	2.5 V	8 ns	- 40 C	+ 125 C	AEC-Q100	Reel, Cut Tape, MouseReel
Digital Isolators 5 kV 3-channel digital isolator SI8631ED-B-IS Skyworks Solutions, Inc. 1: $3.35 21In Stock 92Expected 1/15/2027	Mfr. Part # SI8631ED-B-IS Mouser Part # 634-SI8631ED-B-IS	Skyworks Solutions, Inc.	Digital Isolators 5 kV 3-channel digital isolator Learn More about Skyworks Solutions, Inc. siliconlabssi86x	Datasheet	21In Stock 92Expected 1/15/2027	$3.35 $2.69 $2.35 $2.25 View $2.03 $1.99 $1.92 $1.86 $1.83	Min.: 1 Mult.: 1	si863x	SMD/SMT	SOIC-Wide-16	3 Channel	Unidirectional	150 Mb/s	5000 Vrms	Capacitive Coupling	5.5 V	2.5 V	8 ns	- 40 C	+ 125 C	AEC-Q100	Tube
Digital Isolators 10 kV surge, 5 kV isolator SI8631ET-IS Skyworks Solutions, Inc. 1: $3.65 113In Stock	Mfr. Part # SI8631ET-IS Mouser Part # 634-SI8631ET-IS	Skyworks Solutions, Inc.	Digital Isolators 10 kV surge, 5 kV isolator Learn More about Skyworks Solutions, Inc. skyworks si86xxt isolators	Datasheet	113In Stock	$3.65 $2.78 $2.43 $2.33 View $2.16 $2.10 $2.04 $1.98 $1.94	Min.: 1 Mult.: 1	si863x	SMD/SMT	SOIC-Wide-16	3 Channel	Unidirectional	150 Mb/s	5000 Vrms	Capacitive Coupling	5.5 V	2.5 V	8 ns	- 40 C	+ 125 C	AEC-Q100	Tube
Digital Isolators 5 kV 4-channel digital isolator SI8640BD-B-ISR Skyworks Solutions, Inc. 1: $3.88 370In Stock 1,250Expected 1/11/2027	Mfr. Part # SI8640BD-B-ISR Mouser Part # 634-SI8640BD-B-ISR	Skyworks Solutions, Inc.	Digital Isolators 5 kV 4-channel digital isolator Learn More about Skyworks Solutions, Inc. siliconlabssi86x	Datasheet	370In Stock 1,250Expected 1/11/2027	Cut Tape $3.88 $3.15 $2.97 $2.74 Reel $2.42 View $2.60 $2.59 $2.34 MouseReel Available	Min.: 1 Mult.: 1 : 1,250	Si864x	SMD/SMT	SOIC-Wide-16	4 Channel	Unidirectional	150 Mb/s	5000 Vrms	Capacitive Coupling	5.5 V	2.375 V	8 ns	- 40 C	+ 125 C	AEC-Q100	Reel, Cut Tape, MouseReel
Digital Isolators 5 kV 4-channel digital isolator SI8640BT-ISR Skyworks Solutions, Inc. 1: $4.55 418In Stock	Mfr. Part # SI8640BT-ISR Mouser Part # 634-SI8640BT-ISR	Skyworks Solutions, Inc.	Digital Isolators 5 kV 4-channel digital isolator	Datasheet	418In Stock	Cut Tape $4.55 $3.43 $3.15 $2.85 Reel $2.60 View $2.70 $2.68 $2.57 MouseReel Available	Min.: 1 Mult.: 1 : 1,250	Si864x	SMD/SMT	SOIC-Wide-16	4 Channel	Unidirectional	150 Mb/s	5000 Vrms	Capacitive Coupling	5.5 V	2.375 V	8 ns	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
Digital Isolators 3.75 kV 4-channel digital isolator SI8640EC-B-IS1R Skyworks Solutions, Inc. 1: $4.08 266In Stock 2,500Expected 1/19/2027	Mfr. Part # SI8640EC-B-IS1R Mouser Part # 634-SI8640EC-B-IS1R	Skyworks Solutions, Inc.	Digital Isolators 3.75 kV 4-channel digital isolator Learn More about Skyworks Solutions, Inc. siliconlabssi86x	Datasheet	266In Stock 2,500Expected 1/19/2027	Cut Tape $4.08 $3.07 $2.82 $2.55 View Reel $2.20 $2.41 $2.40 $2.25 $2.20	Min.: 1 Mult.: 1 : 2,500	Si864x	SMD/SMT	SOIC-Narrow-16	4 Channel	Unidirectional	150 Mb/s	3750 Vrms	Capacitive Coupling	5.5 V	2.375 V	8 ns	- 40 C	+ 125 C	AEC-Q100	Reel, Cut Tape
Digital Isolators 5 kV 4-channel digital isolator SI8640ED-B-IS Skyworks Solutions, Inc. 1: $4.33 321In Stock	Mfr. Part # SI8640ED-B-IS Mouser Part # 634-SI8640ED-B-IS	Skyworks Solutions, Inc.	Digital Isolators 5 kV 4-channel digital isolator Learn More about Skyworks Solutions, Inc. siliconlabssi86x	Datasheet	321In Stock	$4.33 $3.29 $2.96 $2.74 View $2.64 $2.50 $2.44 $2.36	Min.: 1 Mult.: 1	Si864x	SMD/SMT	SOIC-Wide-16	4 Channel	Unidirectional	150 Mb/s	5000 Vrms	Capacitive Coupling	5.5 V	2.375 V	8 ns	- 40 C	+ 125 C	AEC-Q100	Tube
Digital Isolators 5 kV 4-channel digital isolator SI8640ET-IS Skyworks Solutions, Inc. 1: $4.45 83In Stock	Mfr. Part # SI8640ET-IS Mouser Part # 634-SI8640ET-IS	Skyworks Solutions, Inc.	Digital Isolators 5 kV 4-channel digital isolator Learn More about Skyworks Solutions, Inc. skyworks si86xxt isolators	Datasheet	83In Stock	$4.45 $3.40 $2.98 $2.76 View $2.66 $2.59 $2.52 $2.45	Min.: 1 Mult.: 1	Si864x	SMD/SMT	SOIC-Wide-16	4 Channel	Unidirectional	150 Mb/s	5000 Vrms	Capacitive Coupling	5.5 V	2.375 V	8 ns	- 40 C	+ 125 C	AEC-Q100	Tube
Digital Isolators 2.5 kV 4-channel digital isolator SI8641AB-B-IS Skyworks Solutions, Inc. 1: $3.62 72In Stock	Mfr. Part # SI8641AB-B-IS Mouser Part # 634-SI8641AB-B-IS	Skyworks Solutions, Inc.	Digital Isolators 2.5 kV 4-channel digital isolator	Datasheet	72In Stock	$3.62 $2.96 $2.59 $2.40 View $2.31 $2.21 $2.12 $2.07	Min.: 1 Mult.: 1	Si864x	SMD/SMT	SOIC-Wide-16	4 Channel	Unidirectional	1 Mb/s	2500 Vrms	Capacitive Coupling	5.5 V	2.5 V	35 ns	- 40 C	+ 125 C	AEC-Q100	Tube
Digital Isolators 1 KV 4-channel digital isolator SI8641BA-C-IU Skyworks Solutions, Inc. 1: $3.52 35In Stock 96Expected 1/8/2027	Mfr. Part # SI8641BA-C-IU Mouser Part # 634-SI8641BA-C-IU	Skyworks Solutions, Inc.	Digital Isolators 1 KV 4-channel digital isolator	Datasheet	35In Stock 96Expected 1/8/2027	$3.52 $2.65 $2.20 $2.10 View $2.05 $1.99 $1.94 $1.88 $1.85	Min.: 1 Mult.: 1	Si864x	SMD/SMT	QSOP-16	4 Channel	Unidirectional	150 Mb/s	1000 Vrms	Capacitive Coupling	5.5 V	2.375 V	8 ns	- 40 C	+ 125 C	AEC-Q100	Tube
Digital Isolators 2.5 kV 4-channel digital isolator SI8641BB-B-IS Skyworks Solutions, Inc. 1: $4.03 7In Stock 6,210On Order	Mfr. Part # SI8641BB-B-IS Mouser Part # 634-SI8641BB-B-IS	Skyworks Solutions, Inc.	Digital Isolators 2.5 kV 4-channel digital isolator	Datasheet	7In Stock 6,210On Order On Order Ship Dates Mfr. #: SI8641BB-B-IS Stock: 7 Can Ship Immediately On Order: 1,610 Expected 12/10/2026 2,438 Expected 12/11/2026 2,162 Expected 1/15/2027 Factory Lead-Time: 14 Weeks	$4.03 $3.04 $2.73 $2.49 View $2.38 $2.34 $2.23 $2.17	Min.: 1 Mult.: 1	Si864x	SMD/SMT	SOIC-Wide-16	4 Channel	Unidirectional	150 Mb/s	2500 Vrms	Capacitive Coupling	5.5 V	2.375 V	8 ns	- 40 C	+ 125 C	AEC-Q100	Tube
Digital Isolators 2.5 kV 4-channel digital isolator SI8641BB-B-ISR Skyworks Solutions, Inc. 1: $4.03 42In Stock 2,500Expected 12/4/2026	Mfr. Part # SI8641BB-B-ISR Mouser Part # 634-SI8641BB-B-ISR	Skyworks Solutions, Inc.	Digital Isolators 2.5 kV 4-channel digital isolator	Datasheet	42In Stock 2,500Expected 12/4/2026	Cut Tape $4.03 $3.04 $2.80 $2.53 Reel $2.17 View $2.40 $2.38 $2.09 MouseReel Available	Min.: 1 Mult.: 1 : 1,250	Si864x	SMD/SMT	SOIC-Wide-16	4 Channel	Unidirectional	150 Mb/s	2500 Vrms	Capacitive Coupling	5.5 V	2.375 V	8 ns	- 40 C	+ 125 C	AEC-Q100	Reel, Cut Tape, MouseReel
Digital Isolators 5 kV 4-channel digital isolator SI8641BD-B-IS2 Skyworks Solutions, Inc. 1: $4.64 11In Stock 276Expected 12/25/2026	Mfr. Part # SI8641BD-B-IS2 Mouser Part # 634-SI8641BD-B-IS2	Skyworks Solutions, Inc.	Digital Isolators 5 kV 4-channel digital isolator Learn More about Skyworks Solutions, Inc. siliconlabssi86x	Datasheet	11In Stock 276Expected 12/25/2026	$4.64 $3.51 $3.15 $2.88 View $2.75 $2.70 $2.58 $2.53	Min.: 1 Mult.: 1	Si864x	SMD/SMT	SOIC-Wide-16	4 Channel	Unidirectional	150 Mb/s	5000 Vrms	Capacitive Coupling	5.5 V	2.375 V	8 ns	- 40 C	+ 125 C	AEC-Q100	Tube
Digital Isolators 5 kV 4-channel digital isolator SI8641ED-B-ISR Skyworks Solutions, Inc. 1: $4.24 424In Stock 2,500On Order	Mfr. Part # SI8641ED-B-ISR Mouser Part # 634-SI8641ED-B-ISR	Skyworks Solutions, Inc.	Digital Isolators 5 kV 4-channel digital isolator Learn More about Skyworks Solutions, Inc. siliconlabssi86x	Datasheet	424In Stock 2,500On Order On Order Ship Dates Mfr. #: SI8641ED-B-ISR Stock: 424 Can Ship Immediately On Order: 1,250 Expected 1/29/2027 1,250 Expected 2/4/2027 Factory Lead-Time: 14 Weeks	Cut Tape $4.24 $3.25 $3.00 $2.74 Reel $2.50 View $2.60 $2.59 $2.43 MouseReel Available	Min.: 1 Mult.: 1 : 1,250	Si864x	SMD/SMT	SOIC-Wide-16	4 Channel	Unidirectional	150 Mb/s	5000 Vrms	Capacitive Coupling	5.5 V	2.375 V	8 ns	- 40 C	+ 125 C	AEC-Q100	Reel, Cut Tape, MouseReel
Digital Isolators 5 kV 4-channel digital isolator SI8641ET-IS Skyworks Solutions, Inc. 1: $4.47 15In Stock	Mfr. Part # SI8641ET-IS Mouser Part # 634-SI8641ET-IS	Skyworks Solutions, Inc.	Digital Isolators 5 kV 4-channel digital isolator Learn More about Skyworks Solutions, Inc. skyworks si86xxt isolators	Datasheet	15In Stock	$4.47 $3.40 $3.15 $2.76 View $2.66 $2.59 $2.52 $2.45	Min.: 1 Mult.: 1	Si864x	SMD/SMT	SOIC-Wide-16	4 Channel	Unidirectional	150 Mb/s	5000 Vrms	Capacitive Coupling	5.5 V	2.375 V	8 ns	- 40 C	+ 125 C	AEC-Q100	Tube
Digital Isolators 2.5 kV 4-channel digital isolator SI8642AB-B-IS Skyworks Solutions, Inc. 1: $3.92 545In Stock 4,554On Order	Mfr. Part # SI8642AB-B-IS Mouser Part # 634-SI8642AB-B-IS	Skyworks Solutions, Inc.	Digital Isolators 2.5 kV 4-channel digital isolator	Datasheet	545In Stock 4,554On Order On Order Ship Dates Mfr. #: SI8642AB-B-IS Stock: 545 Can Ship Immediately On Order: 1,978 Expected 1/15/2027 2,576 Expected 2/4/2027 Factory Lead-Time: 14 Weeks	$3.92 $2.95 $2.71 $2.45 View $2.32 $2.31 $2.17 $2.12	Min.: 1 Mult.: 1	Si864x	SMD/SMT	SOIC-Wide-16	4 Channel	Unidirectional	1 Mb/s	2500 Vrms	Capacitive Coupling	5.5 V	2.5 V	35 ns	- 40 C	+ 125 C	AEC-Q100	Tube
Digital Isolators 2.5 kV 4-channel digital isolator SI8642AB-B-ISR Skyworks Solutions, Inc. 1: $3.92 226In Stock 2,500Expected 12/4/2026	Mfr. Part # SI8642AB-B-ISR Mouser Part # 634-SI8642AB-B-ISR	Skyworks Solutions, Inc.	Digital Isolators 2.5 kV 4-channel digital isolator	Datasheet	226In Stock 2,500Expected 12/4/2026	Cut Tape $3.92 $2.96 $2.72 $2.46 Reel $2.17 View $2.33 $2.32 $2.09 MouseReel Available	Min.: 1 Mult.: 1 : 1,250	Si864x	SMD/SMT	SOIC-Wide-16	4 Channel	Unidirectional	1 Mb/s	2500 Vrms	Capacitive Coupling	5.5 V	2.5 V	35 ns	- 40 C	+ 125 C	AEC-Q100	Reel, Cut Tape, MouseReel
Digital Isolators 2.5 kV 4-channel digital isolator SI8642BB-B-ISR Skyworks Solutions, Inc. 1: $3.93 29In Stock	Mfr. Part # SI8642BB-B-ISR Mouser Part # 634-SI8642BB-B-ISR	Skyworks Solutions, Inc.	Digital Isolators 2.5 kV 4-channel digital isolator	Datasheet	29In Stock	Cut Tape $3.93 $2.96 $2.72 $2.46 Reel $2.24 View $2.33 $2.32 $2.18 MouseReel Available	Min.: 1 Mult.: 1 : 1,250	Si864x	SMD/SMT	SOIC-Wide-16	4 Channel	Unidirectional	150 Mb/s	2500 Vrms	Capacitive Coupling	5.5 V	2.375 V	8 ns	- 40 C	+ 125 C	AEC-Q100	Reel, Cut Tape, MouseReel
Digital Isolators 2.5 kV 4-channel digital isolator SI8642BB-B-IU Skyworks Solutions, Inc. 1: $3.78 457In Stock	Mfr. Part # SI8642BB-B-IU Mouser Part # 634-SI8642BB-B-IU	Skyworks Solutions, Inc.	Digital Isolators 2.5 kV 4-channel digital isolator Learn More about Skyworks Solutions, Inc. siliconlabssi86x	Datasheet	457In Stock	$3.78 $2.85 $2.37 $2.26 View $2.22 $2.15 $2.09 $2.03 $2.00	Min.: 1 Mult.: 1	Si864x	SMD/SMT	QSOP-16	4 Channel	Unidirectional	150 Mb/s	2500 Vrms	Capacitive Coupling	5.5 V	2.375 V	8 ns	- 40 C	+ 125 C	AEC-Q100	Tube
Digital Isolators 5 kV 4-channel digital isolator SI8642BD-B-ISR Skyworks Solutions, Inc. 1: $4.27 61In Stock 7,500On Order	Mfr. Part # SI8642BD-B-ISR Mouser Part # 634-SI8642BD-B-ISR	Skyworks Solutions, Inc.	Digital Isolators 5 kV 4-channel digital isolator Learn More about Skyworks Solutions, Inc. siliconlabssi86x	Datasheet	61In Stock 7,500On Order On Order Ship Dates Mfr. #: SI8642BD-B-ISR Stock: 61 Can Ship Immediately On Order: 1,250 Expected 12/10/2026 2,500 Expected 12/17/2026 3,750 Expected 1/11/2027 Factory Lead-Time: 14 Weeks	Cut Tape $4.27 $3.32 $3.08 $2.82 Reel $2.43 View $2.69 $2.63 $2.34 MouseReel Available	Min.: 1 Mult.: 1 : 1,250	Si864x	SMD/SMT	SOIC-Wide-16	4 Channel	Unidirectional	150 Mb/s	5000 Vrms	Capacitive Coupling	5.5 V	2.375 V	8 ns	- 40 C	+ 125 C	AEC-Q100	Reel, Cut Tape, MouseReel
Digital Isolators 5 kV 4-channel digital isolator SI8642ED-B-ISR Skyworks Solutions, Inc. 1: $4.04 94In Stock 12,500On Order	Mfr. Part # SI8642ED-B-ISR Mouser Part # 634-SI8642ED-B-ISR	Skyworks Solutions, Inc.	Digital Isolators 5 kV 4-channel digital isolator Learn More about Skyworks Solutions, Inc. siliconlabssi86x	Datasheet	94In Stock 12,500On Order On Order Ship Dates Mfr. #: SI8642ED-B-ISR Stock: 94 Can Ship Immediately On Order: 1,250 Expected 2/11/2027 11,250 Expected 2/18/2027 Factory Lead-Time: 14 Weeks	Cut Tape $4.04 $3.20 $2.99 $2.74 Reel $2.42 View $2.60 $2.59 $2.34 MouseReel Available	Min.: 1 Mult.: 1 : 1,250	Si864x	SMD/SMT	SOIC-Wide-16	4 Channel	Unidirectional	150 Mb/s	5000 Vrms	Capacitive Coupling	5.5 V	2.375 V	8 ns	- 40 C	+ 125 C	AEC-Q100	Reel, Cut Tape, MouseReel
Digital Isolators 5 kV 4-channel digital isolator SI8642ET-IS Skyworks Solutions, Inc. 1: $4.47 105In Stock	Mfr. Part # SI8642ET-IS Mouser Part # 634-SI8642ET-IS	Skyworks Solutions, Inc.	Digital Isolators 5 kV 4-channel digital isolator Learn More about Skyworks Solutions, Inc. skyworks si86xxt isolators	Datasheet	105In Stock	$4.47 $3.40 $2.98 $2.84 View $2.66 $2.59 $2.51 $2.45	Min.: 1 Mult.: 1	Si864x	SMD/SMT	SOIC-Wide-16	4 Channel	Unidirectional	150 Mb/s	5000 Vrms	Capacitive Coupling	5.5 V	2.375 V	8 ns	- 40 C	+ 125 C	AEC-Q100	Tube
Digital Isolators 1 KV 4-channel digital isolator SI8645BA-C-IU Skyworks Solutions, Inc. 1: $4.01 17In Stock 96Expected 2/4/2027	Mfr. Part # SI8645BA-C-IU Mouser Part # 634-SI8645BA-C-IU	Skyworks Solutions, Inc.	Digital Isolators 1 KV 4-channel digital isolator Learn More about Skyworks Solutions, Inc. siliconlabssi86x	Datasheet	17In Stock 96Expected 2/4/2027	$4.01 $3.02 $2.78 $2.50 View $2.37 $2.35 $2.21 $2.16	Min.: 1 Mult.: 1	Si864x	SMD/SMT	QSOP-16	4 Channel	Unidirectional	150 Mb/s	1000 Vrms	Capacitive Coupling	5.5 V	2.375 V	8 ns	- 40 C	+ 125 C	AEC-Q100	Tube
Digital Isolators 2.5 kV 4-channel digital isolator SI8645BB-B-IS Skyworks Solutions, Inc. 1: $3.92 361In Stock	Mfr. Part # SI8645BB-B-IS Mouser Part # 634-SI8645BB-B-IS	Skyworks Solutions, Inc.	Digital Isolators 2.5 kV 4-channel digital isolator	Datasheet	361In Stock	$3.92 $2.96 $2.59 $2.46 View $2.37 $2.31 $2.17 $2.12	Min.: 1 Mult.: 1	Si864x	SMD/SMT	SOIC-Wide-16	4 Channel	Unidirectional	150 Mb/s	2500 Vrms	Capacitive Coupling	5.5 V	2.375 V	8 ns	- 40 C	+ 125 C	AEC-Q100	Tube