HCNW137#500

Data Rate:	10MBd
Supplier Device Package:	8-SO W
Package / Case:	8-SMD, Gull Wing
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply:	4.5 V ~ 5.5 V
Current - DC Forward (If) (Max):	20mA
Voltage - Forward (Vf) (Typ):	1.64V
Rise / Fall Time (Typ):	24ns, 10ns
Propagation Delay tpLH / tpHL (Max):	100ns, 100ns
Series:	--
Current - Output / Channel:	50mA
Output Type:	Open Collector, Schottky Clamped
Input Type:	DC
Common Mode Transient Immunity (Min):	5kV/µs
Voltage - Isolation:	5000Vrms
Inputs - Side 1/Side 2:	1/0
Number of Channels:	1
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Optoisolators - Logic Output devices are a type of electronic component used to provide electrical isolation between two circuits. The HCNW137#500 is an optoisolator from Broadcom, Inc. that provides logic output for applications requiring protection from high-voltage spikes, static electricity, and electrical noise. This document will discuss the application field and working principle of the HCNW137#500.

Application Field of the HCNW137#500

The HCNW137#500 is an optoisolator with a 4-pin DIP package and is used in applications such as motor control, power tools, and measurement instruments. It can also be used in communications equipment, factory automation systems, and other circuits for electrical isolation and data transmission.The HCNW137#500 can be used in safety-critical applications where failure of the components can lead to serious physical injury or loss of life. It is designed to sustain harsh environments and reduce the risk of electrical short-circuits. Power supplies, industrial machinery, security systems, medical and military equipment are applications where the HCNW137#500 can be used for enhanced safety.In addition to its high safety benefits, the HCNW137#500 also has a wide operating temperature range (-40°C to +100°C) and is qualified to AEC-Q100 standards for automotive use. It is also low-profile and uses selectable output voltages, which make it easier to use in a variety of applications.

Working Principle of the HCNW137#500

The HCNW137#500 uses an optically isolated transistor to isolate a signal between two circuits. It consists of two parts: an LED light source and a photodetector (photosensitive element). The LED light source emits light of a specific wavelength, which is then detected by the photodetector. When the light is detected, the photodetector produces an electrical current, which is amplified by an opto-coupler and used to drive the load circuit. The HCNW137#500 has a compact design and has low input current and output voltage levels. It also has extremely low input-to-output capacitance, providing superior performance in terms of electromagnetic compatibility (EMC).

Conclusion

The HCNW137#500 is an optoisolator device that provides high-level performance, low current consumption, and excellent electrical isolation between two circuits. It is suitable for safety-critical applications and can sustain extreme conditions. It has a wide range of operating temperatures and is qualified to AEC-Q100 standards for automotive use. It is also low-profile and uses selectable output voltages, which make it easier to use in a variety of applications. The HCNW137#500 works by using an optically isolated transistor to isolate a signal between two circuits, making it suitable for a range of applications.

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