HCC242TX Equivalent & Substitute Parts

Part Overview

The HCC242TX is an optoisolator with transistor output manufactured by TT Electronics/Optek Technology. This component provides galvanic isolation up to 1000VDC with a single channel configuration in a 4-CLCC surface mount package. The device is classified as Active product status and is ROHS3 compliant. Equivalent and substitute parts are identified when component availability is limited, supply chain disruptions occur, or inventory requirements necessitate alternative sourcing from the same manufacturer's product line.

Substiute Parts

HCC242TX

TT Electronics/Optek TechnologyIn Stock: 976HCC242TX Datasheet

Current PartRFQ

HCC242

TT Electronics/Optek TechnologyIn Stock: 996HCC242 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the HCC242TX is determined by matching the following critical electrical and mechanical parameters:

• Isolation voltage: 1000VDC
• Number of channels: 1
• Output type: Transistor
• Current transfer ratio minimum: 100% @ 10mA
• Maximum output voltage: 30V
• Maximum output current per channel: 50mA
• Rise and fall time: 20µs, 20µs
• Operating temperature range: -55°C ~ 125°C
• Package configuration: 4-CLCC (5.59x3.81)
• Mounting type: Surface Mount

The HCC242 is identified as a parametric equivalent to the HCC242TX, sharing identical electrical specifications and mechanical packaging. Both components are manufactured by TT Electronics/Optek Technology and maintain Active product status with ROHS3 compliance.

Parameter Comparison

Engineering Selection Recommendations

Both the HCC242TX and HCC242 are Active products with ROHS3 compliance and REACH unaffected status. Selection between these components is based on inventory availability and supply chain requirements. The HCC242 maintains identical electrical performance and mechanical compatibility with the HCC242TX, supporting direct substitution in applications requiring 1000VDC isolation with single-channel transistor output in 4-CLCC surface mount packaging.

Frequently Asked Questions (FAQ)

Q: Can the HCC242 be used as a direct replacement for the HCC242TX?

A: Yes. Both components share identical electrical specifications, including 1000VDC isolation voltage, 100% minimum current transfer ratio at 10mA, 30V maximum output voltage, and 50mA maximum output current per channel. Mechanical compatibility is confirmed through identical 4-CLCC (5.59x3.81) packaging and surface mount configuration.

Q: Are there differences in compliance or regulatory status between HCC242TX and HCC242?

A: No. Both components are ROHS3 compliant, REACH unaffected, and classified as Active products. Compliance certifications are equivalent.

Q: What are the critical parameters for substitution in optoisolator applications?

A: Isolation voltage, number of channels, output type, current transfer ratio, maximum output voltage and current, switching speed characteristics, operating temperature range, and package configuration must match the application requirements. For the HCC242TX and HCC242, all these parameters are identical.

Q: Does the 4-CLCC package dimension (5.59x3.81) affect PCB layout compatibility?

A: No. Both the HCC242TX and HCC242 use the identical 4-CLCC (5.59x3.81) surface mount package, ensuring PCB footprint and layout compatibility without modification.