Agilent Offers AC/DC-to-Logic Interface Optocoupler in SO-8 Package

9/7/2004 - Agilent Technologies Inc. (NYSE: A) introduced an AC/DC-to-logic interface optocoupler in a space-saving package. The device is a new version of Agilent's industry-standard HCPL-3700 voltage/current-sensing optocoupler. Agilent is the first company to deliver this optocoupler in a compact SO-8 (small outline) surface-mount package. The Agilent HCPL-0370 is only 5.08 mm (length) x 3.94 mm (width) x 3.18 mm (height), providing substantially higher density on printed circuit board designs for industrial datacom and telecom applications.

"Our new product's SO-8 packaging is a welcome addition to the HCPL-3700's DIP and gull-wing package options, and the HCPL-3760 low-input-current version," said Kheng-Jam Lee, worldwide marketing manager for Agilent's Isolation Products Division. "The surface-mount device's miniature size meets our customers' need to save valuable board space."

The Agilent HCPL-0370 is a voltage/current threshold-detection optocoupler used in applications ranging from sensing voltages over the 5 to 240 V range, to microprocessor interfaces for data acquisition, automation and industrial process control. These capabilities are used for limit switch sensing, low-voltage detection, monitoring relay contacts and coils, and current sensing.

The Agilent HCPL-0370 features an input buffer IC, which provides control of threshold level by varying a single external resistor. The input buffer incorporates hysteresis for noise immunity, a diode bridge, and clamping diodes to protect the buffer and LED from over-voltage and over-current transients. The HCPL-0370 is certified under TUV and UL 1577 and is CSA-approved for dielectric withstand proof test voltage of 3750 VAC, 1 minute.

U.S. Pricing and Availability
The Agilent HCPL-0370 is priced at $1.79 each in 10,000-piece quantities. It is available now through Agilent's direct sales channel and worldwide distribution partners. More information is available at

About Agilent Technologies
Agilent Technologies Inc. (NYSE: A) is a global technology leader in communications, electronics, life sciences and chemical analysis. The company's 28,000 employees serve customers in more than 110 countries. Agilent had net revenue of $6.1 billion in fiscal year 2003. Information about Agilent is available on the Web at

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