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New technologies for designing with visible-light and other LEDs, fiber optics and associated components and subsystems.
Voltage Multipliers, Inc.

Opto-couplers are useful where electrical isolation is needed between system and control circuits, in the prevention of ground loops, or in high voltage switching applications.

Frequently Asked Questions about Opto-couplers

Long term Gain Degradation

Turn-On/Off Time

Thermal Resistance

... Read more...

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Standex-Meder Electronics

Learn more about how our line of optocouplers for intrinsic safety circuits can safely handle input/output isolation as high as 20,000 VDC. Read more...

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Avago Technologies

The Avago ACPL-M51L (single-channel, SO-5 package) is a low power, low supply voltage 1Mbd digital optocoupler, configurable as a 4-pin device Read more...

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Voltage Multipliers, Inc.

View a short video on how VMI's high voltage optocouplers work. Voltages range from 2.5kV to 50kV.

The optocouplers come in a variety of package styles, and offer long-term gain stability, or high gain. Read more...

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Voltage Multipliers, Inc.

10kV or 15kV High Voltage Opto-couplers

Manufactured by VMI, the OC100 and OC150 optocoupler families offer high voltage, high gain, and high isolation. Our optocouplers are built to the same high quality and reliability benchmarks as all our products.

Using a high voltage photo-diode and multiple LEDs precisely positioned, the OC100 and OC150 are optimized for high... Read more...

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Voltage Multipliers, Inc.

2.5kV, 10kV, 15kV, 25kV, and 50kV opto-couplers are standard products now available from VMI.

Opto-couplers are useful where electrical isolation is needed between system and control circuits, in the prevention of ground loops, or in high voltage switching applications.

ISO9001:2008 certified. Read more...

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Mouser Electronics, Inc.

Mouser Electronics, Inc., the global authorized distributor with the newest semiconductors and electronic components, is now stocking the ADuM3151 SPIsolator Digital Isolator from Analog Devices. This new isolator optimizes isolation of serial peripheral interface (SPI) transmissions for higher speeds, while provide additional low speed channels for control and status monitoring function... Read more...

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Mouser Electronics, Inc.

Mouser Electronics, Inc., the global authorized distributor with the newest semiconductors and electronic components, is now stocking the ADuM3154 SPIsolator Digital Isolator from Analog Devices. This new isolator optimizes isolation of serial peripheral interface (SPI) transmissions for higher speeds, while provide additional low speed channels for control and status monitoring functio... Read more...

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Mouser Electronics, Inc.

Mouser Electronics, Inc. is now stocking the new 5kVRMS MAX14934, MAX14935, and MAX14936 Four Channel Digital Isolators from Maxim Integrated. These devices transfer digital signals between circuits with flexible signal direction pin configurations at temperatures up to +125°C and can withstand repetitive peak voltages of up to 1200V.

The Maxim MAX14934, MAX14935,... Read more...

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Avago Technologies

The Avago ACPL-C797T is an optically isolated 1-bit, 2nd order Sigma-Delta (Σ-Δ) modulator device that is automotive qualified per AEC-Q100 Grade 1. The device converts an analog input signal into a high speed data stream with galvanic isolation based on optical coupling technology. Read more...

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