Transistor Output Optocouplers

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SFH618 Transistor Output Optocouplers

Vishay SFH618 Transistor Output Optocouplers have a high current transfer ratio, low coupling capacitance, and high isolation voltage. The SFH618 has a GaAs infrared diode emitter optically coupled to a silicon planar phototransistor detector. It's incorporated in a plastic DIP-4 or SMD package. The coupling devices are designed for signal transmission between two electrically separated circuits.

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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.	Mounting Style	Package / Case	Number of Channels	Isolation Voltage	Output Type	Current Transfer Ratio - Min	Current Transfer Ratio - Max	If - Forward Current	Vf - Forward Voltage	Maximum Collector Emitter Voltage	Maximum Collector Current	Maximum Collector Emitter Saturation Voltage	Rise Time	Fall Time	Vr - Reverse Voltage	Pd - Power Dissipation	Minimum Operating Temperature	Maximum Operating Temperature	Series	Packaging
Transistor Output Optocouplers Phototransistor Out Single CTR 63-125% SFH618A-2 Vishay Semiconductors 1: $1.40 6,577In Stock	Mfr. Part # SFH618A-2 Mouser Part # 782-SFH618A-2	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR 63-125% Learn More about Vishay Semiconductors vishay sfh618 optocouplers	Datasheet	6,577In Stock	$1.40 $0.988 $0.732 $0.612 View $0.575 $0.542 $0.484 $0.477 $0.464	Min.: 1 Mult.: 1	Through Hole	DIP-4	1 Channel	5300 Vrms	NPN Phototransistor	63 %	125 %	60 mA	1.5 V	55 V	100 mA	400 mV	3.5 us	5 us	6 V	150 mW	- 55 C	+ 100 C		Tube
Transistor Output Optocouplers Phototransistor Out Single CTR>100-200% SFH618A-3X001 Vishay Semiconductors 1: $1.65 3,017In Stock	Mfr. Part # SFH618A-3X001 Mouser Part # 782-SFH618A-3X001	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR>100-200% Learn More about Vishay Semiconductors vishay sfh618 optocouplers	Datasheet	3,017In Stock	$1.65 $1.16 $0.848 $0.707 View $0.664 $0.623 $0.56 $0.542 $0.525	Min.: 1 Mult.: 1	Through Hole	PDIP-4	1 Channel	5300 Vrms	NPN Phototransistor	100 %	200 %	60 mA	1.5 V	55 V	100 mA	400 mV	3.5 us	5 us	6 V	150 mW	- 55 C	+ 100 C		Tube
Transistor Output Optocouplers Phototransistor Out Single CTR>100-200% SFH6186-3X001 Vishay Semiconductors 1: $1.26 4,471In Stock	Mfr. Part # SFH6186-3X001 Mouser Part # 782-SFH6186-3X001	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR>100-200% Learn More about Vishay Semiconductors vishay sfh618 optocouplers	Datasheet	4,471In Stock	$1.26 $0.881 $0.65 $0.546 View $0.512 $0.498 $0.416 $0.411 $0.399	Min.: 1 Mult.: 1	Through Hole	SMD-4	1 Channel	5300 Vrms	NPN Phototransistor	100 %	200 %	60 mA	1.5 V	55 V	100 mA	400 mV	3.5 us	5 us	6 V	150 mW	- 55 C	+ 100 C		Tube
Transistor Output Optocouplers Phototransistor Out Single CTR 63-125% SFH6186-2T Vishay Semiconductors 1: $1.30 7,952In Stock 11,000Expected 10/27/2026	Mfr. Part # SFH6186-2T Mouser Part # 782-SFH6186-2T	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR 63-125% Learn More about Vishay Semiconductors vishay sfh618 optocouplers	Datasheet	7,952In Stock 11,000Expected 10/27/2026	Cut Tape $1.30 $0.905 $0.668 $0.562 Reel $0.521 View $0.481 $0.452 $0.424 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SMD-4	1 Channel	5300 Vrms	NPN Phototransistor	63 %	125 %	60 mA	1.5 V	55 V	100 mA	400 mV	3.5 us	5 us	6 V	150 mW	- 55 C	+ 100 C		Reel, Cut Tape, MouseReel
Transistor Output Optocouplers Phototransistor Out Single CTR 250-500% SFH6186-5T Vishay Semiconductors 1: $1.20 5,933In Stock	Mfr. Part # SFH6186-5T Mouser Part # 782-SFH6186-5T	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR 250-500% Learn More about Vishay Semiconductors vishay sfh618 optocouplers	Datasheet	5,933In Stock	Cut Tape $1.20 $0.837 $0.616 $0.517 Reel $0.485 View $0.449 $0.428 $0.419 $0.416 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SMD-4	1 Channel	5300 Vrms	NPN Phototransistor	250 %	500 %	60 mA	1.5 V	55 V	100 mA	400 mV	3.5 us	5 us	6 V	150 mW	- 55 C	+ 100 C		Reel, Cut Tape, MouseReel
Transistor Output Optocouplers RECOMMENDED ALT VO61 SFH618A-4 Vishay Semiconductors 1: $1.40 8,353In Stock	Mfr. Part # SFH618A-4 Mouser Part # 782-SFH618A-4	Vishay Semiconductors	Transistor Output Optocouplers RECOMMENDED ALT VO61 Learn More about Vishay Semiconductors vishay sfh618 optocouplers	Datasheet	8,353In Stock	$1.40 $0.988 $0.732 $0.618 View $0.58 $0.549 $0.546 $0.491 $0.468	Min.: 1 Mult.: 1	Through Hole	DIP-4	1 Channel	5300 Vrms	NPN Phototransistor	160 %	320 %	60 mA	1.5 V	55 V	100 mA	400 mV	3 us	14 us	6 V	150 mW	- 55 C	+ 100 C		Tube
Transistor Output Optocouplers Phototransistor Out Single CTR 63-125% SFH6186-2 Vishay Semiconductors 1: $1.20 11,120In Stock	Mfr. Part # SFH6186-2 Mouser Part # 782-SFH6186-2	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR 63-125% Learn More about Vishay Semiconductors vishay sfh618 optocouplers	Datasheet	11,120In Stock	$1.20 $0.837 $0.616 $0.517 View $0.499 $0.468 $0.445 $0.412 $0.385	Min.: 1 Mult.: 1	Through Hole	SMD-4	1 Channel	5300 Vrms	NPN Phototransistor	63 %	125 %	60 mA	1.5 V	55 V	100 mA	400 mV	3.5 us	5 us	6 V	150 mW	- 55 C	+ 100 C		Tube
Transistor Output Optocouplers Phototransistor Out Single CTR 250-500% SFH618A-5 Vishay Semiconductors 1: $1.40 4,916In Stock	Mfr. Part # SFH618A-5 Mouser Part # 782-SFH618A-5	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR 250-500% Learn More about Vishay Semiconductors vishay sfh618 optocouplers	Datasheet	4,916In Stock	$1.40 $0.988 $0.732 $0.618 View $0.58 $0.573 $0.546 $0.491 $0.468	Min.: 1 Mult.: 1	Through Hole	DIP-4	1 Channel	5300 Vrms	NPN Phototransistor	250 %	500 %	60 mA	1.5 V	55 V	100 mA	400 mV	3.5 us	5 us	6 V	150 mW	- 55 C	+ 100 C		Tube
Transistor Output Optocouplers SMD-4 CPLR 100-200% CTR VDE SFH618A-3X017T Vishay Semiconductors 1: $1.69 1,167In Stock	Mfr. Part # SFH618A-3X017T Mouser Part # 78-SFH618A-3X017T	Vishay Semiconductors	Transistor Output Optocouplers SMD-4 CPLR 100-200% CTR VDE Learn More about Vishay Semiconductors vishay sfh618 optocouplers	Datasheet	1,167In Stock	Cut Tape $1.69 $1.19 $0.888 $0.754 Reel $0.709 View $0.654 $0.618 $0.606 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SMD-4	1 Channel	5300 Vrms	NPN Phototransistor	100 %	200 %	60 mA	1.5 V	55 V	100 mA	400 mV	3.5 us	5 us	6 V	150 mW	- 55 C	+ 100 C	SFH618A	Reel, Cut Tape, MouseReel
Transistor Output Optocouplers Phototransistor Out Single CTR 100-200% SFH6186-3T Vishay Semiconductors 1: $1.30 2,752In Stock 4,000Expected 10/27/2026	Mfr. Part # SFH6186-3T Mouser Part # 782-SFH6186-3T	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR 100-200% Learn More about Vishay Semiconductors vishay sfh618 optocouplers	Datasheet	2,752In Stock 4,000Expected 10/27/2026	Cut Tape $1.30 $0.905 $0.668 $0.549 Reel $0.449 View $0.443 $0.382 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SMD-4	1 Channel	5300 Vrms	NPN Phototransistor	100 %	200 %	60 mA	1.5 V	55 V	100 mA	400 mV	3.5 us	5 us	6 V	150 mW	- 55 C	+ 100 C		Reel, Cut Tape, MouseReel
Transistor Output Optocouplers Phototransistor Out Single CTR 160-320% SFH6186-4 Vishay Semiconductors 1: $1.17 2,399In Stock 4,000Expected 10/30/2026	Mfr. Part # SFH6186-4 Mouser Part # 782-SFH6186-4	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR 160-320% Learn More about Vishay Semiconductors vishay sfh618 optocouplers	Datasheet	2,399In Stock 4,000Expected 10/30/2026	$1.17 $0.816 $0.599 $0.502 View $0.471 $0.442 $0.42 $0.407 $0.385	Min.: 1 Mult.: 1	Through Hole	SMD-4	1 Channel	5300 Vrms	NPN Phototransistor	160 %	320 %	60 mA	1.5 V	55 V	100 mA	400 mV	3.5 us	5 us	6 V	150 mW	- 55 C	+ 100 C		Tube
Transistor Output Optocouplers Phototransistor Out Single CTR 160-320% SFH6186-4T Vishay Semiconductors 1: $1.30 2,887In Stock	Mfr. Part # SFH6186-4T Mouser Part # 782-SFH6186-4T	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR 160-320% Learn More about Vishay Semiconductors vishay sfh618 optocouplers	Datasheet	2,887In Stock	Cut Tape $1.30 $0.905 $0.668 $0.562 Reel $0.527 View $0.482 $0.455 $0.446 $0.445 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SMD-4	1 Channel	5300 Vrms	NPN Phototransistor	160 %	320 %	60 mA	1.5 V	55 V	100 mA	400 mV	3.5 us	5 us	6 V	150 mW	- 55 C	+ 100 C		Reel, Cut Tape, MouseReel
Transistor Output Optocouplers Phototransistor Out Single CTR>250-500% SFH618A-5X017T Vishay Semiconductors 1: $1.69 1,840In Stock	Mfr. Part # SFH618A-5X017T Mouser Part # 782-SFH618A-5X017T	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR>250-500% Learn More about Vishay Semiconductors vishay sfh618 optocouplers	Datasheet	1,840In Stock	Cut Tape $1.69 $1.19 $0.888 $0.754 Reel $0.709 View $0.653 $0.618 $0.606 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	PDIP-4 Gull Wing	1 Channel	5300 Vrms	NPN Phototransistor	250 %	500 %	60 mA	1.5 V	55 V	100 mA	400 mV	3.5 us	5 us	6 V	150 mW	- 55 C	+ 100 C		Reel, Cut Tape, MouseReel
Transistor Output Optocouplers Phototransistor Out Single CTR 250-500% SFH6186-5 Vishay Semiconductors 1: $1.18 3,633In Stock	Mfr. Part # SFH6186-5 Mouser Part # 782-SFH6186-5	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR 250-500% Learn More about Vishay Semiconductors vishay sfh618 optocouplers	Datasheet	3,633In Stock	$1.18 $0.828 $0.592 $0.508 View $0.482 $0.462 $0.441 $0.429 $0.423	Min.: 1 Mult.: 1	Through Hole	SMD-4	1 Channel	5300 Vrms	NPN Phototransistor	250 %	500 %	60 mA	1.5 V	55 V	100 mA	400 mV	3.5 us	5 us	6 V	150 mW	- 55 C	+ 100 C		Tube
Transistor Output Optocouplers RECOMMENDED ALT VO61 SFH618A-3 Vishay Semiconductors 1: $1.68 1,836In Stock	Mfr. Part # SFH618A-3 Mouser Part # 782-SFH618A-3	Vishay Semiconductors	Transistor Output Optocouplers RECOMMENDED ALT VO61 Learn More about Vishay Semiconductors vishay sfh618 optocouplers	Datasheet	1,836In Stock	$1.68 $1.18 $0.872 $0.749 View $0.703 $0.657 $0.585 $0.566 $0.543	Min.: 1 Mult.: 1	Through Hole	PDIP-4	1 Channel	5300 Vrms	NPN Phototransistor	100 %	200 %	60 mA	1.5 V	55 V	100 mA	400 mV	3 us	14 us	6 V	150 mW	- 55 C	+ 100 C		Tube
Transistor Output Optocouplers Phototransistor Out Single CTR>100-200% SFH618A-3X006 Vishay Semiconductors 1: $1.51 237In Stock	Mfr. Part # SFH618A-3X006 Mouser Part # 782-SFH618A-3X006	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR>100-200% Learn More about Vishay Semiconductors vishay sfh618 optocouplers	Datasheet	237In Stock	$1.51 $1.06 $0.785 $0.664 View $0.624 $0.615 $0.537 $0.525 $0.524	Min.: 1 Mult.: 1	Through Hole	PDIP-4	1 Channel	5300 Vrms	NPN Phototransistor	100 %	200 %	60 mA	1.5 V	55 V	100 mA	400 mV	3.5 us	5 us	6 V	150 mW	- 55 C	+ 100 C		Tube
Transistor Output Optocouplers Phototransistor Out Single CTR>100-200% SFH618A-3X017 Vishay Semiconductors 1: $1.60 3,284In Stock	Mfr. Part # SFH618A-3X017 Mouser Part # 782-SFH618A-3X017	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR>100-200% Learn More about Vishay Semiconductors vishay sfh618 optocouplers	Datasheet	3,284In Stock	$1.60 $1.12 $0.835 $0.707 View $0.666 $0.631 $0.592 $0.567	Min.: 1 Mult.: 1	SMD/SMT	SMD-4	1 Channel	5300 Vrms	NPN Phototransistor	100 %	200 %	60 mA	1.5 V	55 V	100 mA	400 mV	3.5 us	5 us	6 V	150 mW	- 55 C	+ 100 C		Tube
Transistor Output Optocouplers Phototransistor Out Single CTR>250-500% SFH618A-5X007 Vishay Semiconductors 1: $1.51 2,004In Stock	Mfr. Part # SFH618A-5X007 Mouser Part # 782-SFH618A-5X007	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR>250-500% Learn More about Vishay Semiconductors vishay sfh618 optocouplers	Datasheet	2,004In Stock	$1.51 $1.06 $0.785 $0.664 View $0.624 $0.623 $0.519 $0.504 $0.494	Min.: 1 Mult.: 1	SMD/SMT	PDIP-4 Gull Wing	1 Channel	5300 Vrms	NPN Phototransistor	250 %	500 %	60 mA	1.5 V	55 V	100 mA	400 mV	3.5 us	5 us	6 V	150 mW	- 55 C	+ 100 C		Tube
Transistor Output Optocouplers Phototransistor Out Single CTR>250-500% SFH618A-5X016 Vishay Semiconductors 1: $1.60 1,193In Stock	Mfr. Part # SFH618A-5X016 Mouser Part # 782-SFH618A-5X016	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR>250-500% Learn More about Vishay Semiconductors vishay sfh618 optocouplers	Datasheet	1,193In Stock	$1.60 $1.12 $0.835 $0.707 View $0.666 $0.575 $0.562	Min.: 1 Mult.: 1	Through Hole	PDIP-4	1 Channel	5300 Vrms	NPN Phototransistor	250 %	500 %	60 mA	1.5 V	55 V	100 mA	400 mV	3.5 us	5 us	6 V	150 mW	- 55 C	+ 100 C		Tube
Transistor Output Optocouplers Phototransistor Out Single CTR>250-500% SFH6186-5X001T Vishay Semiconductors 1: $1.38 11,950On Order	Mfr. Part # SFH6186-5X001T Mouser Part # 782-SFH6186-5X001T	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR>250-500% Learn More about Vishay Semiconductors vishay sfh618 optocouplers	Datasheet	11,950On Order On Order Ship Dates Mfr. #: SFH6186-5X001T Stock: 0 On Order: 5,950 Expected 10/20/2026 6,000 Expected 10/27/2026 Factory Lead-Time: 8 Weeks	Cut Tape $1.38 $0.959 $0.702 $0.585 Reel $0.52 View $0.481 $0.455 $0.445 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SMD-4	1 Channel	5300 Vrms	NPN Phototransistor	250 %	500 %	60 mA	1.5 V	55 V	100 mA	400 mV	3.5 us	5 us	6 V	150 mW	- 55 C	+ 100 C		Reel, Cut Tape, MouseReel
Transistor Output Optocouplers Phototransistor Out Single CTR>250-500% SFH618A-5X007T Vishay Semiconductors 1: $1.60 4,959Expected 12/11/2026	Mfr. Part # SFH618A-5X007T Mouser Part # 782-SFH618A-5X007T	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR>250-500% Learn More about Vishay Semiconductors vishay sfh618 optocouplers	Datasheet	4,959Expected 12/11/2026	Cut Tape $1.60 $1.12 $0.835 $0.707 Reel $0.664 View $0.611 $0.579 $0.567 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SMD-4	1 Channel	5300 Vrms	NPN Phototransistor	250 %	500 %	60 mA	1.5 V	55 V	100 mA	400 mV	3.5 us	5 us	6 V	150 mW	- 55 C	+ 100 C		Reel, Cut Tape, MouseReel
Transistor Output Optocouplers Phototransistor Out Single CTR>100-200% SFH6186-3X001T Vishay Semiconductors 1: $1.30 1,699Expected 10/30/2026	Mfr. Part # SFH6186-3X001T Mouser Part # 782-SFH6186-3X001T	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR>100-200% Learn More about Vishay Semiconductors vishay sfh618 optocouplers	Datasheet	1,699Expected 10/30/2026	Cut Tape $1.30 $0.905 $0.668 $0.562 Reel $0.527 View $0.481 $0.455 $0.445 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SMD-4	1 Channel	5300 Vrms	NPN Phototransistor	100 %	200 %	60 mA	1.5 V	55 V	100 mA	400 mV	3.5 us	5 us	6 V	150 mW	- 55 C	+ 100 C		Reel, Cut Tape, MouseReel
Transistor Output Optocouplers Phototransistor Out Single CTR 100-200% SFH6186-3 Vishay Semiconductors 1: $1.27 3,723Expected 1/8/2027	Mfr. Part # SFH6186-3 Mouser Part # 782-SFH6186-3	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR 100-200% Learn More about Vishay Semiconductors vishay sfh618 optocouplers	Datasheet	3,723Expected 1/8/2027	$1.27 $0.888 $0.653 $0.549 View $0.514 $0.485 $0.452	Min.: 1 Mult.: 1	Through Hole	SMD-4	1 Channel	5300 Vrms	NPN Phototransistor	100 %	200 %	60 mA	1.5 V	55 V	100 mA	400 mV	3.5 us	5 us	6 V	150 mW	- 55 C	+ 100 C		Tube
Transistor Output Optocouplers Phototransistor Out Single CTR>100-200% SFH6186-4X001T Vishay Semiconductors 1: $1.25 Non-Stocked Lead-Time 6 Weeks	Mfr. Part # SFH6186-4X001T Mouser Part # 782-SFH6186-4X001T	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR>100-200% Learn More about Vishay Semiconductors vishay sfh618 optocouplers	Datasheet	Non-Stocked Lead-Time 6 Weeks	Cut Tape $1.25 $0.872 $0.638 $0.532 Reel $0.498 View $0.442 $0.416 $0.407 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SMD-4	1 Channel	5300 Vrms	NPN Phototransistor	160 %	320 %	60 mA	1.5 V	55 V	100 mA	400 mV	3.5 us	5 us	6 V	150 mW	- 55 C	+ 100 C		Reel, Cut Tape, MouseReel
Transistor Output Optocouplers Phototransistor Out Single CTR>250-500% SFH6186-5T1 Vishay Semiconductors 1: $1.38 Non-Stocked	Mfr. Part # SFH6186-5T1 Mouser Part # 782-SFH6186-5T1	Vishay Semiconductors	Transistor Output Optocouplers Phototransistor Out Single CTR>250-500% Learn More about Vishay Semiconductors vishay sfh618 optocouplers	Datasheet	Non-Stocked	Cut Tape $1.38 $0.959 $0.702 $0.585 Reel $0.527 View $0.501 $0.485 $0.472 $0.462 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SMD-4	1 Channel	5300 Vrms	NPN Phototransistor			60 mA	1.5 V	55 V	100 mA	400 mV			6 V	150 mW	- 55 C	+ 100 C		Reel, Cut Tape, MouseReel

SFH618 Transistor Output Optocouplers

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