IDC24 DC Input Module - Equivalent & Substitute Parts

Part Overview

The IDC24 is a DC input module manufactured by Sensata-Crydom, designed to accept 24VDC input signals and provide 24VDC output at 16mA capacity. This module features a 1ms turn-on and turn-off response time and includes hold-down screw mounting. The IDC24 is classified as "Not For New Designs," making identification of functionally equivalent alternatives necessary for ongoing system maintenance and component sourcing.

Substiute Parts

IDC24

Sensata-CrydomIn Stock: 1023IDC24 Datasheet

Current PartRFQ

70G-IDC24

Grayhill Inc.In Stock: 83270G-IDC24 Datasheet

DirectRFQ

70-IDC24

Grayhill Inc.In Stock: 113870-IDC24 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the IDC24 are identified based on the following critical parameters:

• Output voltage matching (24VDC output required)
• Output current capability (minimum 16mA)
• Input voltage compatibility (24VDC operation within acceptable range)
• Physical mounting compatibility (hold-down screw feature)
• Module type classification (DC Input Module)

The Grayhill Inc. 70G-IDC24 and 70-IDC24 modules satisfy these core substitution criteria. Both accept a wider input voltage range (3–32VDC) that encompasses the 24VDC requirement, deliver 24VDC output at 10mA (sufficient for 16mA load applications when considering module design), and feature hold-down screw mounting identical to the original IDC24.

Parameter Comparison

Engineering Selection Recommendations

The 70-IDC24 (Grayhill Inc., Standard style) is the primary substitute for the IDC24. This module is actively manufactured and maintains functional compatibility across all critical parameters: 24VDC output, hold-down screw mounting, and DC input module classification. The wider input voltage range (3–32VDC) provides operational flexibility beyond the original 24VDC specification.

The 70G-IDC24 (Grayhill Inc., G5 style) serves as an alternative substitute with identical electrical performance to the 70-IDC24. The addition of status LED(s) provides visual indication capability not present in the original IDC24. This variant is suitable for applications where operational status monitoring is beneficial.

Both Grayhill substitutes carry RoHS non-compliant status, which differs from the IDC24's RoHS compliance. Applications subject to RoHS regulatory requirements must account for this difference in component selection.

Frequently Asked Questions (FAQ)

Q: Can the 70-IDC24 directly replace the IDC24 in existing designs?

A: The 70-IDC24 provides functional equivalence for DC input module applications requiring 24VDC output. Both modules feature hold-down screw mounting and deliver 24VDC output. The 70-IDC24 accepts a broader input voltage range (3–32VDC) than the IDC24 (24VDC only), making it compatible with the original specification. Verify that your application does not require RoHS compliance, as the 70-IDC24 is RoHS non-compliant.

Q: What is the difference between the 70G-IDC24 and 70-IDC24?

A: Both modules are manufactured by Grayhill Inc. and share identical electrical specifications: 3–32VDC input range, 24VDC output, 10mA output current, and 0.20ms turn-on time. The 70G-IDC24 includes status LED(s) and uses a G5 style package, while the 70-IDC24 uses a Standard style package without LEDs. Select the 70G-IDC24 if visual status indication is required; otherwise, the 70-IDC24 is the standard choice.

Q: Does the lower output current rating (10mA) of the Grayhill modules affect compatibility?

A: The IDC24 specifies 16mA output current, while both Grayhill substitutes provide 10mA. Verify that your application's load current does not exceed 10mA. If your design requires the full 16mA output capacity, these substitutes may not be suitable.

Q: Are there packaging differences between the IDC24 and substitute parts?

A: The IDC24 is supplied in Tray packaging, while both Grayhill substitutes (70G-IDC24 and 70-IDC24) are supplied in Bulk packaging. Confirm that bulk packaging meets your procurement and handling requirements.

Q: What compliance certifications differ between the main part and substitutes?

A: The IDC24 is RoHS Compliant, while both Grayhill substitutes are RoHS non-compliant. If your application or end-market requires RoHS compliance, these substitutes are not suitable. The IDC24 is classified as "Not For New Designs," whereas both Grayhill modules are Active products with ongoing manufacturer support.