| Allicdata Part #: | EL817(M)(A))-V-ND |
| Manufacturer Part#: |
EL817(M)(A))-V |
| Price: | $ 0.09 |
| Product Category: | Isolators |
| Manufacturer: | Everlight Electronics Co Ltd |
| Short Description: | OPTOISOLTR 5KV TRANSISTOR 4-DIP |
| More Detail: | Optoisolator Transistor Output 5000Vrms 1 Channel ... |
| DataSheet: |  EL817(M)(A))-V Datasheet/PDF |
| Quantity: | 1000 |
| 1000 +: | $ 0.08256 |
Specifications
| Output Type: | Transistor |
| Supplier Device Package: | 4-DIP |
| Package / Case: | 4-DIP (0.400", 10.16mm) |
| Mounting Type: | Through Hole |
| Operating Temperature: | -55°C ~ 110°C |
| Vce Saturation (Max): | 200mV |
| Current - DC Forward (If) (Max): | 60mA |
| Voltage - Forward (Vf) (Typ): | 1.2V |
| Current - Output / Channel: | 50mA |
| Voltage - Output (Max): | 35V |
| Series: | -- |
| Input Type: | DC |
| Rise / Fall Time (Typ): | 4µs, 3µs |
| Turn On / Turn Off Time (Typ): | -- |
| Current Transfer Ratio (Max): | 160% @ 5mA |
| Current Transfer Ratio (Min): | 80% @ 5mA |
| Voltage - Isolation: | 5000Vrms |
| Number of Channels: | 1 |
| Part Status: | Active |
| Packaging: | Tube |
Description
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Optoisolators are a family of isolation components with a variety of different types and flavors. The EL817 series is an optoisolator device, specifically the M type with a photovoltaic output and low power transistor output. An optoisolator is an optoelectronic component that provides electrical isolation between two circuits. It does this by using a method called photocoupling, where an LED device is modulated by the input and transmits it to another device on the other side, which is then connected to the output device.
The EL817M devices offer high spectral sensitivity (the ability to absorb more visible light) that allows it to be triggered by a wider variety of light sources, including LED, incandescent, halogen, and others. This makes the EL817M a perfect choice for light-based sensing and isolation applications. It is also able to switch a low power transistor from ON to OFF. The transistor output that can be connected to any circuitry.
These components are excellent for use in noise-sensitive, high-impedance circuits, or for reducing electromagnetic emission. It is also used in voltage or current-sensing applications, in order to increase the reliability and precision of the measurements. They are also very useful in generic applications, as it provides galvanic isolation between the input and output. This galvanic isolation means that the EL817M can operate even when the input and output are floating and the potential between them is changing.
EL817M devices have two terminals, one being the photovoltaic output, and the other being the low-power transistor output. The photovoltaic output is the LED device used for modulating the input signal. It is triggered when the input signal is on, causing the LED to light up and transmit a signal to the photovoltaic part. This then changes the current of the photovoltaic part, which then triggers the low-power transistor output.
The EL817M devices are mainly used in applications where electrical isolation from the input to the output is important. Examples of such applications include voltage and current sensing, industrial controls, and smart home devices. In addition, they are used in applications that require accurate detection of small changes in a signal, as well as in applications that need noise and electromagnetic emission reduction. They are also found in medical devices, due to their ability to decrease the effects of stray currents.
EL817M devices are available in two versions – the M type and the A type. The main difference between the two is that the M type has an integrated LED emitter as part of the device, while the A type does not include one. This makes the M type slightly more expensive than the A type, but it also increases the sensitivity of the device. The EL817M devices are available in small packages, allowing for easy integration into smaller circuits and applications, while also providing superior optical isolation.
In conclusion, optoisolators provided by the EL817 series are an excellent choice when it comes to electrically isolated applications, especially when it comes to noise or electromagnetic emission reduction and sensing of small changes in the input. With the two versions, the M and A type, the EL817 series has a wide range of applications, from medical sensors to industrial controls, smart homes, and more.
The specific data is subject to PDF, and the above content is for reference
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