Optocouplers(257)
Uses item details. Price when purchased online
M Buder 8 Channel Optocoupler Relay Module Board High & Low Level Trigger 24V AC 250V 10A DC 30V 10A Fault-Tolerant Design for Electrical Systems and Industrial Control Applications From $12.05

3 options
Available in additional 3 optionsFrom$1205
M Buder 8 Channel Optocoupler Relay Module Board High & Low Level Trigger 24V AC 250V 10A DC 30V 10A Fault-Tolerant Design for Electrical Systems and Industrial Control Applications
GuuYebe 50 Pcs PC817 Optocoupler PC817C Optocouplers of Optoelectronic Products $8.99

$899
current price $8.99GuuYebe 50 Pcs PC817 Optocoupler PC817C Optocouplers of Optoelectronic Products
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YAHHU 8-36V 8-Channel Multifunction Time Delay Relay Interface Board Module Optocoupler LED Linkage Control Switch, 5.51 x 3.15 inches / 14.0 x 8.0 cm $34.51

$3451
current price $34.51YAHHU 8-36V 8-Channel Multifunction Time Delay Relay Interface Board Module Optocoupler LED Linkage Control Switch, 5.51 x 3.15 inches / 14.0 x 8.0 cm
Riousery 1 Channel Optocoupler Relay Module Board High & Low Trigger 12V Replacement Electrical System Control High Capacity Load AC 250V 10A DC 30V 10A Fault Tolerant Green Red LED Indicator From $7.99

3 options
Available in additional 3 optionsFrom$799
Riousery 1 Channel Optocoupler Relay Module Board High & Low Trigger 12V Replacement Electrical System Control High Capacity Load AC 250V 10A DC 30V 10A Fault Tolerant Green Red LED Indicator
M Buder Relay Module 8 Channel 485 Rail RTU Optocoupler Isolation Module for Industrial Automation, Heavy Duty Electrical System Relay, 6.69 inches / 17.00 cm, 1 Pack $41.94

$4194
current price $41.94M Buder Relay Module 8 Channel 485 Rail RTU Optocoupler Isolation Module for Industrial Automation, Heavy Duty Electrical System Relay, 6.69 inches / 17.00 cm, 1 Pack
Pack of 2 4N25 Optocoupler DC-IN 1-CH Transistor With Base DC-OUT 6-Pin PDIP $0.99

$099
current price $0.99Pack of 2 4N25 Optocoupler DC-IN 1-CH Transistor With Base DC-OUT 6-Pin PDIP
Paclk of 4 4N25SR2M Transistor Output Optocouplers Optocoupler Phototransistor $5.99

$599
current price $5.99Paclk of 4 4N25SR2M Transistor Output Optocouplers Optocoupler Phototransistor
VOS617A-2X001T Transistor Output Optocouplers 3.75KV 4SSOP :RoHS, Cut Tape $0.99

$099
current price $0.99VOS617A-2X001T Transistor Output Optocouplers 3.75KV 4SSOP :RoHS, Cut Tape
1Channel Optocoupler Isolated Relays Module High Low Levels Triggering Selection 10A Load Capacity Fails Safe Circuit Design From $8.15
From$815
1Channel Optocoupler Isolated Relays Module High Low Levels Triggering Selection 10A Load Capacity Fails Safe Circuit Design
YAHHU Optocoupler Relay Module PCB Board Self Locking Switch High Level Trigger 24V Electrical System Relay $11.65

$1165
current price $11.65YAHHU Optocoupler Relay Module PCB Board Self Locking Switch High Level Trigger 24V Electrical System Relay
2pcs 12V 30A One Channel Relay Module Optocoupler Isolation High and Low Trigger 12V $10.99

$1099
current price $10.992pcs 12V 30A One Channel Relay Module Optocoupler Isolation High and Low Trigger 12V
Pack of 12 PS2505-1-A Transistor Output Optocouplers Hi-Iso AC Input 1-Ch, Tube, RoHS $9.99

$999
current price $9.99Pack of 12 PS2505-1-A Transistor Output Optocouplers Hi-Iso AC Input 1-Ch, Tube, RoHS
Nieyigj 3 Channel Relay Module for RS485 Rail 5-32V Optocoupler Isolation Switch for Industry $27.66

$2766
current price $27.66Nieyigj 3 Channel Relay Module for RS485 Rail 5-32V Optocoupler Isolation Switch for Industry
1pcs 5V Two 2 Channel Relay Module+Optocoupler AC 250V 10A DC 30V 10A $17.49

$1749
current price $17.491pcs 5V Two 2 Channel Relay Module+Optocoupler AC 250V 10A DC 30V 10A
NTE Electronics NTE3223-1 Optocoupler Single NPN Transistor Output 4 Lead DIP $12.53

$1253
current price $12.53NTE Electronics NTE3223-1 Optocoupler Single NPN Transistor Output 4 Lead DIP
5pcs 3V Relay Power Switch Board 1 Channel Optocoupler Relay Module Control $14.25

$1425
current price $14.255pcs 3V Relay Power Switch Board 1 Channel Optocoupler Relay Module Control
BELOWSYALER Advanced Rechargeable Optocoupler Test Module for Quick Online Testing Electronic Components Quick Component Evaluations $12.48

$1248
current price $12.48BELOWSYALER Advanced Rechargeable Optocoupler Test Module for Quick Online Testing Electronic Components Quick Component Evaluations
Optocoupler Tester Optocoupler Test Detection Tool Online Test Module Repair 6th $7.99 Was $16.28

Now$799
current price Now $7.99, Was $16.28$16.28
Optocoupler Tester Optocoupler Test Detection Tool Online Test Module Repair 6th
Pack of 5 VOS628A3T Optocoupler AC-IN 1-CH Transistor DC-OUT 4-Pin SSOP, RoHS $5.99

$599
current price $5.99Pack of 5 VOS628A3T Optocoupler AC-IN 1-CH Transistor DC-OUT 4-Pin SSOP, RoHS
Universally 10A 1 Channel Electrical Relays ABS High or Low Levels Triggering Optocoupler Isolation Relays Module
Universally 10A 1 Channel Electrical Relays ABS High or Low Levels Triggering Optocoupler Isolation Relays Module
Treedix DC 5V Channel Relay Board Module Isolated Optocoupler High and Low Level H/L Level Trigger Module Triggered Compatible with Arduino Raspberry Pi From $7.99

3 options
Available in additional 3 optionsFrom$799
Treedix DC 5V Channel Relay Board Module Isolated Optocoupler High and Low Level H/L Level Trigger Module Triggered Compatible with Arduino Raspberry Pi
Optocoupler Tester Optocoupler Test Detection Tool Optocoupler Online Test Module Optocoupler Electronic Repair Tool Was $16.61

Optocoupler Tester Optocoupler Test Detection Tool Optocoupler Online Test Module Optocoupler Electronic Repair Tool
Optocoupler Tester Optocoupler Test Detection Tool Optocoupler Online Test Module Optocoupler Electronic Repair Tool $9.18

$918
current price $9.18Optocoupler Tester Optocoupler Test Detection Tool Optocoupler Online Test Module Optocoupler Electronic Repair Tool
10 Pack of CNY17-1 Optocoupler DC-IN 1-CH Transistor With Base DC-OUT 6-Pin PDIP $5.99

$599
current price $5.9910 Pack of CNY17-1 Optocoupler DC-IN 1-CH Transistor With Base DC-OUT 6-Pin PDIP
Optocoupler Relay Module, 1 Channel, 30A, 12V, Ideal For Microcontroller Projects $16.59

$1659
current price $16.59Optocoupler Relay Module, 1 Channel, 30A, 12V, Ideal For Microcontroller Projects
UsilkU 8 Channel Optocoupler Relay Module Board High & Low Trigger 24V Fault-Tolerant Design with LED Indicator Lights for Electrical System Relay Control 5.6 inches / 141.5 mm, Red, 1 Pack $21.11

$2111
current price $21.11UsilkU 8 Channel Optocoupler Relay Module Board High & Low Trigger 24V Fault-Tolerant Design with LED Indicator Lights for Electrical System Relay Control 5.6 inches / 141.5 mm, Red, 1 Pack
yaaqii Optocoupler Tester Optocoupler Test Detection Tool Online Test Module Repair From $15.88

2 options
Available in additional 2 optionsFrom$1588
yaaqii Optocoupler Tester Optocoupler Test Detection Tool Online Test Module Repair
Tizuqe Single Channel Optocoupler Isolated Relays Module 3V Relays Isolated Drive Control From $9.43
From$943
Tizuqe Single Channel Optocoupler Isolated Relays Module 3V Relays Isolated Drive Control
1 Piece 4-pin Test Optocoupler Tester Optocoupler Detection Tool Online Test Module Replacement Parts Module Repair Tools From $9.76
From$976
1 Piece 4-pin Test Optocoupler Tester Optocoupler Detection Tool Online Test Module Replacement Parts Module Repair Tools
2Pcs Optocoupler Tester Optocoupler Detection Tool Optocoupler Online Tool Optocoupler Electronic Repair Tool $12.88

$1288
current price $12.882Pcs Optocoupler Tester Optocoupler Detection Tool Optocoupler Online Tool Optocoupler Electronic Repair Tool
Clearance Optocoupler Tester Optocoupler Test Detection Tool Optocoupler Online Test Module Optocoupler Electronic Repair Tool 4Th Fangkenuo From $5.49

4 options
Available in additional 4 optionsFrom$549
Optocoupler Tester Optocoupler Test Detection Tool Optocoupler Online Test Module Optocoupler Electronic Repair Tool 4Th Fangkenuo
1PC TO1/TO2 Series Optocoupler Tester Millisecond-level Intelligent Identification Limit Optocoupler Test Detection Tools

1PC TO1/TO2 Series Optocoupler Tester Millisecond-level Intelligent Identification Limit Optocoupler Test Detection Tools
HannLk 5/12/24V Optocoupler Integrated 8-Way Relays Module Board for Home Automation

3 options
Available in additional 3 optionsHannLk 5/12/24V Optocoupler Integrated 8-Way Relays Module Board for Home Automation
MHXCV 8 Channel Optocoupler Relay Module Board with High and Low Level Trigger Support, 24V Electrical System Relays Kit for Automation Projects (5.6 x 2 Inches / 14.15 x 5.0 cm) $24.11

$2411
current price $24.11MHXCV 8 Channel Optocoupler Relay Module Board with High and Low Level Trigger Support, 24V Electrical System Relays Kit for Automation Projects (5.6 x 2 Inches / 14.15 x 5.0 cm)
2 Channel Optocoupler Isolated Relays Module 5V Triggers 30A Alternating current Direct current Load LED Indicator for Home Automation PLC Systems

2 Channel Optocoupler Isolated Relays Module 5V Triggers 30A Alternating current Direct current Load LED Indicator for Home Automation PLC Systems
Pack of 4 H11AG1SM Optocoupler DC-IN 1-CH Transistor With Base DC-OUT 6-Pin PDIP SMD, Bulk $5.99

$599
current price $5.99Pack of 4 H11AG1SM Optocoupler DC-IN 1-CH Transistor With Base DC-OUT 6-Pin PDIP SMD, Bulk
5v 4 Channel Relay Module 30A Load Current With Optocoupler Isolation Supports High And Low Triger 5V 12Volt 24Volt Optional

5v 4 Channel Relay Module 30A Load Current With Optocoupler Isolation Supports High And Low Triger 5V 12Volt 24Volt Optional
8,Channel Optocoupler Relay Module, High/Low Trigger, 5/12/24V, Stable Fault Tolerant

8,Channel Optocoupler Relay Module, High/Low Trigger, 5/12/24V, Stable Fault Tolerant
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