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Showing Results For: Optocoupler ICs

Optocoupler ICs

Optocoupler ICs are semiconductor devices designed to couple isolated input and output circuits using light. They protect the signal receiving system by preventing high voltages. The Optocoupler features two integrated devices: a light sensor and a light emitter that functions as a simple switch. Furthermore, optocouplers generally come in semiconductor packages like PDIP or SOIC. 

Alternative names for Optocouplers:

Optocouplers are also known as optical couplers, optoisolators, or photocouplers.

How do optoisolator ICs work?

Optocouplers are comprised of light emitters and light sensors that transfer energy from one circuit to another. The light emitter produces visible, infrared, or laser light. This emitter converts light input into a light signal detected by a light detector and converted back to an electrical signal. Optocouplers block high voltages and voltage variations and ensure the circuit and other parts are protected from propagation in the event of spikes. Thus, they are used in voltage variation applications.  

Factors necessary for the selection of optocouplers:

Various factors determining a precise optocoupler include supply voltage, output current, switching speed, common mode noise rejection (CMR), and threshold input current IFHL/IFHL.

What is the advantage of using an optocoupler?

An optocoupler's primary and significant benefit is that they are easy to bring to the circuits and perform the voltage isolation between the input circuits and output circuit blocks. 

Types of Optocoupler ICs:

Optocouplers from our Displays and Optoelectronics family have various types available on the electronics market:

  • Photodiode
  • Resistive
  • Phototransistor
  • Bidirectional

Output Types of Optocoupler ICs:

  • MOSFET
  • TRIAC
  • CMOS
  • Darlington
  • Photodarlington
  • IGBT Gate Drive
  • Phototransistor
  • Single Transistor
  • Logic Gate

Applications of Optocoupler ICs:

The major function of these devices is electrical protection and they are used as either switching devices or as isolation between high and low voltage circuits. Equipment from the Display and Optoelectronics family are primarily found in devices like: 

Furthermore, they are also employed in:

 

  • Removal of electrical noise from signals
  • Use small digital signals for controlling larger AC voltages.

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ON Semiconductor
Rohs Verified
FOD8802DR2, ON Semiconductor
5067 In Stock
Check Stock & Lead Times Packaging Options
2500 +
£ 0.658
7500 +
£ 0.635
12500 +
£ 0.604
Renesas Electronics
Rohs Verified
PS9924-Y-V-AX, Renesas Electronics
11 In Stock
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1 +
£ 3.07
5 +
£ 2.64
10 +
£ 2.57
Renesas Electronics
Rohs Verified
PS8902-Y-V-AX, Renesas Electronics
80 In Stock
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2 +
£ 2.14
10 +
£ 1.85
20 +
£ 1.80
Renesas Electronics
Rohs Verified
PS2811-1-V-A, Renesas Electronics
62 In Stock
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10 +
£ 0.38
50 +
£ 0.303
100 +
£ 0.277
Renesas Electronics
Rohs Verified
PS2703-1-A, Renesas Electronics
8 In Stock
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10 +
£ 0.563
50 +
£ 0.239
100 +
£ 0.233
Renesas Electronics
Rohs Verified
PS2381-1Y-V-AX, Renesas Electronics
46 In Stock
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10 +
£ 0.391
50 +
£ 0.308
100 +
£ 0.289
Renesas Electronics
Rohs Verified
PS2811-4-A, Renesas Electronics
63 In Stock
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5 +
£ 3.37
25 +
£ 1.20
50 +
£ 1.17
Renesas Electronics
Rohs Verified
PS2801C-4-A, Renesas Electronics
56 In Stock
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5 +
£ 2.07
25 +
£ 0.844
50 +
£ 0.821
Renesas Electronics
PS2833-1-A, Renesas Electronics
66 In Stock
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Renesas Electronics
Rohs Verified
PS2915-1-AX, Renesas Electronics
71 In Stock
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5 +
£ 0.619
25 +
£ 0.493
50 +
£ 0.45
Renesas Electronics
Rohs Verified
PS9151-AX, Renesas Electronics
2 In Stock
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2 +
£ 1.72
10 +
£ 1.37
20 +
£ 1.25
Renesas Electronics
Rohs Verified
PS9924-Y-AX, Renesas Electronics
10 In Stock
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£ 7.27
100 +
£ 5.79
250 +
£ 5.61
Renesas Electronics
Rohs Verified
PS8302L-AX, Renesas Electronics
74 In Stock
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2 +
£ 1.64
10 +
£ 1.31
20 +
£ 1.19
Renesas Electronics
Rohs Verified
PS9123-AX, Renesas Electronics
87 In Stock
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2 +
£ 3.00
10 +
£ 1.93
20 +
£ 1.76
Renesas Electronics
Rohs Verified
PS2702-1-A, Renesas Electronics
8 In Stock
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10 +
£ 0.842
50 +
£ 0.585
100 +
£ 0.57
Renesas Electronics
Rohs Verified
PS9587L2-V-AX, Renesas Electronics
103 In Stock
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2 +
£ 7.25
10 +
£ 2.30
20 +
£ 2.24
Renesas Electronics
Rohs Verified
PS8302L-V-AX, Renesas Electronics
75 In Stock
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2 +
£ 1.41
10 +
£ 1.21
20 +
£ 1.18
Renesas Electronics
Rohs Verified
PS9821-1-AX, Renesas Electronics
6 In Stock
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5 +
£ 2.63
25 +
£ 1.04
50 +
£ 1.02
Renesas Electronics
Rohs Verified
PS9151-V-AX, Renesas Electronics
2 In Stock
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2 +
£ 1.50
10 +
£ 1.30
20 +
£ 1.26
Renesas Electronics
Rohs Verified
PS9117A-AX, Renesas Electronics
84 In Stock
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20 +
£ 2.75
100 +
£ 2.26
260 +
£ 2.09
Renesas Electronics
Rohs Verified
PS9402-V-AX, Renesas Electronics
99 In Stock
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1 +
£ 4.76
5 +
£ 4.09
10 +
£ 3.98
Renesas Electronics
Rohs Verified
PS9513L3-AX, Renesas Electronics
101 In Stock
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2 +
£ 1.74
10 +
£ 1.38
20 +
£ 1.22
Renesas Electronics
Rohs Verified
PS9001-Y-AX, Renesas Electronics
81 In Stock
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5 +
£ 0.9
25 +
£ 0.72
50 +
£ 0.657
Renesas Electronics
Rohs Verified
PS2801C-1-V-A, Renesas Electronics
55 In Stock
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10 +
£ 0.309
50 +
£ 0.247
100 +
£ 0.22
Renesas Electronics
Rohs Verified
PS9303L-V-AX, Renesas Electronics
2 In Stock
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2 +
£ 1.36
10 +
£ 1.18
20 +
£ 1.14
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