Optocouplers / Photocouplers

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High-Speed Transistor Optocouplers

onsemi High-Speed Transistor Optocouplers consist of an AIGaAs LED optically coupled to a high speed photodetector transistor. A separate connection for the bias of the photodiode improves the speed by several orders of magnitude over conventional phototransistor optocouplers by reducing the base-collector capacitance of the input transistor. The onsemi HCPL4503M has no internal connection to the phototransistor for improved noise immunity. An internal noise shield provides superior common mode rejection of up to 50,000V/µs.

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Types of Optocouplers / Photocouplers

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) Filter the results in the table by unit price based on your quantity.	Qty.	Vr - Reverse Voltage	Rise Time	Maximum Collector Current	Mounting Style	Package / Case	Number of Channels	Output Type
High Speed Optocouplers 8PW 1MB TR SMD VDE 6N135SVM onsemi 1: $3.01 1,053In Stock	Mfr. Part # 6N135SVM Mouser Part # 512-6N135SVM	onsemi	High Speed Optocouplers 8PW 1MB TR SMD VDE Learn More about onsemi fairchild 6n135 6n136 hcpl4503	Datasheet	1,053In Stock	$3.01 $1.79 $1.66 $1.37 $1.13	Min.: 1 Mult.: 1	5 V			SMD/SMT	SMD-8 Gull Wing	1 Channel	Photodarlington
High Speed Optocouplers Hi-Speed Transistor Optocouplers 6N136SVM onsemi 1: $3.87 822In Stock	Mfr. Part # 6N136SVM Mouser Part # 512-6N136SVM	onsemi	High Speed Optocouplers Hi-Speed Transistor Optocouplers Learn More about onsemi fairchild 6n135 6n136 hcpl4503	Datasheet	822In Stock	$3.87 $2.81 $2.17 $1.80 $1.74	Min.: 1 Mult.: 1	5 V			SMD/SMT	SMDIP-8	1 Channel	Photodarlington
High Speed Optocouplers HI-SPEED SM LEAD BEND 6N135SDM onsemi 1: $2.91 1,804In Stock	Mfr. Part # 6N135SDM Mouser Part # 512-6N135SDM	onsemi	High Speed Optocouplers HI-SPEED SM LEAD BEND Learn More about onsemi fairchild 6n135 6n136 hcpl4503	Datasheet	1,804In Stock	Cut Tape $2.91 $2.09 $1.58 $1.27 Reel $1.11 $1.10	Min.: 1 Mult.: 1 : 1,000	5 V	1.5 us		SMD/SMT	SMD-8	1 Channel	Photodarlington
High Speed Optocouplers 8-Pin DIP 1 Mbit/s Single-Channel High Speed Transistor Output Optocoupler HCPL4503TSVM onsemi 1: $2.48 1,000In Stock	Mfr. Part # HCPL4503TSVM Mouser Part # 512-HCPL4503TSVM	onsemi	High Speed Optocouplers 8-Pin DIP 1 Mbit/s Single-Channel High Speed Transistor Output Optocoupler Learn More about onsemi fairchild 6n135 6n136 hcpl4503	Datasheet	1,000In Stock	$2.48 $1.94 $1.58 $1.30 $1.12	Min.: 1 Mult.: 1	5 V			SMD/SMT	MDIP-8	1 Channel	Phototransistor
High Speed Optocouplers 8-PIN DIP HI SPEED TRANSISTOR 6N135M onsemi 1: $2.79 4,770In Stock	Mfr. Part # 6N135M Mouser Part # 512-6N135M	onsemi	High Speed Optocouplers 8-PIN DIP HI SPEED TRANSISTOR Learn More about onsemi fairchild 6n135 6n136 hcpl4503	Datasheet	4,770In Stock	$2.79 $1.66 $1.53 $1.32 View $1.30 $1.24 $1.07 $1.04	Min.: 1 Mult.: 1	5 V	1.5 us		Through Hole	DIP-8	1 Channel	Phototransistor
High Speed Optocouplers HI-SPEED SM LEAD BEND 6N136SDM onsemi 1: $2.59 3,264In Stock	Mfr. Part # 6N136SDM Mouser Part # 512-6N136SDM	onsemi	High Speed Optocouplers HI-SPEED SM LEAD BEND Learn More about onsemi fairchild 6n135 6n136 hcpl4503	Datasheet	3,264In Stock	Cut Tape $2.59 $1.86 $1.40 $1.21 Reel $1.08 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,000 : 1,000	5 V	800 ns		SMD/SMT	SMD-8	1 Channel	Photodarlington
High Speed Optocouplers 8 PW DIP HIGH SPEED LOGIC GATE OPTOCOUP 6N137SDM onsemi 1: $2.42 8,212In Stock	Mfr. Part # 6N137SDM Mouser Part # 512-6N137SDM	onsemi	High Speed Optocouplers 8 PW DIP HIGH SPEED LOGIC GATE OPTOCOUP Learn More about onsemi fairchild 6n135 6n136 hcpl4503	Datasheet	8,212In Stock	Cut Tape $2.42 $1.73 $1.29 $1.09 Reel $0.946 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,000 : 1,000	5 V	75 ns	50 mA	SMD/SMT	SMT-8	1 Channel	Open Collector
High Speed Optocouplers 8PW 10MB WL SMD VDE 6N137TSVM onsemi 1: $2.12 11,999In Stock	Mfr. Part # 6N137TSVM Mouser Part # 512-6N137TSVM	onsemi	High Speed Optocouplers 8PW 10MB WL SMD VDE Learn More about onsemi fairchild 6n135 6n136 hcpl4503	Datasheet	11,999In Stock	$2.12 $1.51 $1.13 $0.966 $0.965	Min.: 1 Mult.: 1 Max.: 1,000	5 V	30 ns	50 mA	SMD/SMT	SMT-8	1 Channel	Open Collector
High Speed Optocouplers 8-Pin DIP 1 Mbit/s Single-Channel High Speed Transistor Output Optocoupler HCPL4503M onsemi 1: $3.46 1,581In Stock	Mfr. Part # HCPL4503M Mouser Part # 512-HCPL4503M	onsemi	High Speed Optocouplers 8-Pin DIP 1 Mbit/s Single-Channel High Speed Transistor Output Optocoupler Learn More about onsemi fairchild 6n135 6n136 hcpl4503	Datasheet	1,581In Stock	$3.46 $2.06 $1.93 $1.66 $1.54	Min.: 1 Mult.: 1 Max.: 1,000	5 V	800 ns	8 mA	Through Hole	PDIP-8	1 Channel	Phototransistor
High Speed Optocouplers 8P-DIP HI SPEED TRANSISTOR OPTOCOUP 6N135SM onsemi 1: $2.49 927In Stock	Mfr. Part # 6N135SM Mouser Part # 512-6N135SM	onsemi	High Speed Optocouplers 8P-DIP HI SPEED TRANSISTOR OPTOCOUP Learn More about onsemi fairchild 6n135 6n136 hcpl4503	Datasheet	927In Stock	$2.49 $1.77 $1.34 $1.14 $0.959	Min.: 1 Mult.: 1	5 V	1.5 us		SMD/SMT	SMD-8	1 Channel	Photodarlington
High Speed Optocouplers 8PW 1MB TR DIP VDE 6N135VM onsemi 1: $2.79 331In Stock	Mfr. Part # 6N135VM Mouser Part # 512-6N135VM	onsemi	High Speed Optocouplers 8PW 1MB TR DIP VDE Learn More about onsemi fairchild 6n135 6n136 hcpl4503	Datasheet	331In Stock	$2.79 $2.02 $1.53 $1.32 $1.25	Min.: 1 Mult.: 1	5 V			Through Hole	DIP-8	1 Channel	Photodarlington
High Speed Optocouplers High Speed Transistor 6N136M onsemi 1: $2.10 294In Stock 1,000Expected 2026-10-06	Mfr. Part # 6N136M Mouser Part # 512-6N136M	onsemi	High Speed Optocouplers High Speed Transistor Learn More about onsemi fairchild 6n135 6n136 hcpl4503	Datasheet	294In Stock 1,000Expected 2026-10-06	$2.10 $1.21 $1.10 $0.92 View $0.854 $0.809 $0.791 $0.688 $0.687	Min.: 1 Mult.: 1	5 V	800 ns		Through Hole	DIP-8	1 Channel	Photodarlington
High Speed Optocouplers 8P-DIP SM HI SPEED TRANSISTOR OPTOCOUP 6N136SM onsemi 1: $2.28 839In Stock	Mfr. Part # 6N136SM Mouser Part # 512-6N136SM	onsemi	High Speed Optocouplers 8P-DIP SM HI SPEED TRANSISTOR OPTOCOUP Learn More about onsemi fairchild 6n135 6n136 hcpl4503	Datasheet	839In Stock	$2.28 $1.41 $1.33 $1.14 View $1.04 $0.973 $0.906 $0.877 Quote	Min.: 1 Mult.: 1	5 V	800 ns		SMD/SMT	SMD-8	1 Channel	Photodarlington
High Speed Optocouplers 8-PIN DIP, HIGH SPEED OPTOCOUPLER 6N136TSVM onsemi 1: $3.05 592In Stock	Mfr. Part # 6N136TSVM Mouser Part # 512-6N136TSVM	onsemi	High Speed Optocouplers 8-PIN DIP, HIGH SPEED OPTOCOUPLER Learn More about onsemi fairchild 6n135 6n136 hcpl4503	Datasheet	592In Stock	$3.05 $1.81 $1.68 $1.45 View $1.26 $1.21 $1.18 $1.14	Min.: 1 Mult.: 1	5 V		200 uA	SMD/SMT	SMD-8	1 Channel	Photodarlington
High Speed Optocouplers Hi-Speed Transistor Optocouplers 6N136TVM onsemi 1: $3.01 14In Stock	Mfr. Part # 6N136TVM Mouser Part # 512-6N136TVM	onsemi	High Speed Optocouplers Hi-Speed Transistor Optocouplers Learn More about onsemi fairchild 6n135 6n136 hcpl4503	Datasheet	14In Stock	$3.01 $1.84 $1.63 $1.28	Min.: 1 Mult.: 1	5 V			Through Hole	SMDIP-8	1 Channel	Photodarlington
High Speed Optocouplers 8PW 1MB TR DIP VDE 6N136VM onsemi 1: $4.00 349In Stock	Mfr. Part # 6N136VM Mouser Part # 512-6N136VM	onsemi	High Speed Optocouplers 8PW 1MB TR DIP VDE Learn More about onsemi fairchild 6n135 6n136 hcpl4503	Datasheet	349In Stock	$4.00 $2.75 $2.25 $1.96 $1.86	Min.: 1 Mult.: 1	5 V			Through Hole		1 Channel	Photodarlington
High Speed Optocouplers 8PW 10MB T&R VDE 6N137SDVM onsemi 1: $2.48 22In Stock 1,000Expected 2027-07-23	Mfr. Part # 6N137SDVM Mouser Part # 512-6N137SDVM	onsemi	High Speed Optocouplers 8PW 10MB T&R VDE Learn More about onsemi fairchild 6n135 6n136 hcpl4503	Datasheet	22In Stock 1,000Expected 2027-07-23	Cut Tape $2.48 $1.76 $1.31 $1.10 Reel $0.992 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	5 V	30 ns	50 mA	SMD/SMT	SMT-8	1 Channel	Photo IC
High Speed Optocouplers 8 PW DIP HIGH SPEED LOGIC GATE OPTOCOUP 6N137SM onsemi 1: $1.93 453In Stock 3,000On Order	Mfr. Part # 6N137SM Mouser Part # 512-6N137SM	onsemi	High Speed Optocouplers 8 PW DIP HIGH SPEED LOGIC GATE OPTOCOUP Learn More about onsemi fairchild 6n135 6n136 hcpl4503	Datasheet	453In Stock 3,000On Order On Order Ship Dates Mfr. #: 6N137SM Stock: 453 Can Ship Immediately On Order: 1,000 Expected 2026-10-06 2,000 Expected 2026-12-18 Factory Lead-Time: 48 Weeks	$1.93 $1.42 $1.16 $1.05 $0.887	Min.: 1 Mult.: 1 Max.: 1,000	5 V	75 ns	50 mA	SMD/SMT	SMT-8	1 Channel	Open Collector
High Speed Optocouplers 10MBit/s Logic Gate Hi-Speed Optocoupler 6N137SVM onsemi 1: $2.23 197In Stock 7,000On Order	Mfr. Part # 6N137SVM Mouser Part # 512-6N137SVM	onsemi	High Speed Optocouplers 10MBit/s Logic Gate Hi-Speed Optocoupler Learn More about onsemi fairchild 6n135 6n136 hcpl4503	Datasheet	197In Stock 7,000On Order On Order Ship Dates Mfr. #: 6N137SVM Stock: 197 Can Ship Immediately On Order: 2,000 Expected 2027-04-23 5,000 Expected 2027-07-23 Factory Lead-Time: 48 Weeks	Cut Tape $2.23 $1.29 $1.24 $0.949 Reel $0.896	Min.: 1 Mult.: 1 Max.: 1,400 : 1,000	5 V	50 ns	50 mA	SMD/SMT	SMT-8	1 Channel	Photo IC
High Speed Optocouplers 8PW 10MB WL T&R VDE 6N137TSR2VM onsemi 1: $2.33 761In Stock	Mfr. Part # 6N137TSR2VM Mouser Part # 512-6N137TSR2VM	onsemi	High Speed Optocouplers 8PW 10MB WL T&R VDE Learn More about onsemi fairchild 6n135 6n136 hcpl4503	Datasheet	761In Stock	Cut Tape $2.33 $1.66 $1.25 Reel $1.07 MouseReel Available	Min.: 1 Mult.: 1 : 700	5 V	30 ns	50 mA	SMD/SMT	SMT-8	1 Channel	Open Collector
High Speed Optocouplers 8PW 10MB DIP VDE 6N137VM onsemi 1: $2.19 997In Stock	Mfr. Part # 6N137VM Mouser Part # 512-6N137VM	onsemi	High Speed Optocouplers 8PW 10MB DIP VDE Learn More about onsemi fairchild cloud power management	Datasheet	997In Stock	$2.19 $1.26 $1.23 $1.03 $0.87	Min.: 1 Mult.: 1	5 V	30 ns	50 mA	Through Hole	DIP-8	1 Channel	Open Collector
Transistor Output Optocouplers HIGH SPEED TRANS OPTOCOUPLERS HCPL2530M onsemi 1: $3.44 1,089In Stock	Mfr. Part # HCPL2530M Mouser Part # 512-HCPL2530M	onsemi	Transistor Output Optocouplers HIGH SPEED TRANS OPTOCOUPLERS Learn More about onsemi fairchild 6n135 6n136 hcpl4503	Datasheet	1,089In Stock	$3.44 $2.49 $1.92 $1.67 $1.66	Min.: 1 Mult.: 1 Max.: 1,000	5 V			Through Hole	DIP-8	2 Channel	Phototransistor
High Speed Optocouplers 8-Pin DIP 1 Mbit/s Single-Channel High Speed Transistor Output Optocoupler HCPL4503SDM onsemi 1: $3.59 81In Stock 1,000Expected 2027-02-02	Mfr. Part # HCPL4503SDM Mouser Part # 512-HCPL4503SDM	onsemi	High Speed Optocouplers 8-Pin DIP 1 Mbit/s Single-Channel High Speed Transistor Output Optocoupler Learn More about onsemi fairchild 6n135 6n136 hcpl4503	Datasheet	81In Stock 1,000Expected 2027-02-02	Cut Tape $3.59 $2.59 $1.99 $1.63 Reel $1.45 View $1.38 $1.36 $1.34 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	5 V	800 ns	8 mA	SMD/SMT	SMD-DIP-8	1 Channel	Phototransistor
High Speed Optocouplers 8-Pin DIP 1 Mbit/s Single-Channel High Speed Transistor Output Optocoupler HCPL4503SDVM onsemi 1: $4.10 1,205In Stock	Mfr. Part # HCPL4503SDVM Mouser Part # 512-HCPL4503SDVM	onsemi	High Speed Optocouplers 8-Pin DIP 1 Mbit/s Single-Channel High Speed Transistor Output Optocoupler Learn More about onsemi fairchild 6n135 6n136 hcpl4503	Datasheet	1,205In Stock	Cut Tape $4.10 $2.98 $2.32 $2.02 Reel $1.83 View $1.61 $1.58 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	5 V		8 mA	SMD/SMT	SMD-8	1 Channel	Phototransistor
High Speed Optocouplers 8-Pin DIP 1 Mbit/s Single-Channel High Speed Transistor Output Optocoupler HCPL4503SM onsemi 1: $4.23 950In Stock	Mfr. Part # HCPL4503SM Mouser Part # 512-HCPL4503SM	onsemi	High Speed Optocouplers 8-Pin DIP 1 Mbit/s Single-Channel High Speed Transistor Output Optocoupler Learn More about onsemi fairchild 6n135 6n136 hcpl4503	Datasheet	950In Stock	$4.23 $2.58 $2.40 $2.10 $1.93	Min.: 1 Mult.: 1	5 V	800 ns	8 mA	SMD/SMT	SMD-DIP-8	1 Channel	Phototransistor

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