PB-16H I/O Module Rack 16 Channel Equivalent & Substitute Parts

Part Overview

The PB-16H is a 16-channel I/O module rack manufactured by Sensata-Crydom, designed for industrial control and signal distribution applications. This product is classified as obsolete, making equivalent and substitute parts necessary for system maintenance, upgrades, and new installations where legacy component compatibility is required. The module features header and screw terminal block connectors with standoff mounting, suitable for rack-based I/O configurations.

Substiute Parts

PB-16H

Sensata-CrydomIn Stock: 1094PB-16H Datasheet

Current PartRFQ

70RCK16-HL

Grayhill Inc.In Stock: 96570RCK16-HL Datasheet

SimilarRFQ

70RCK8-HL

Grayhill Inc.In Stock: 107170RCK8-HL Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the PB-16H are identified based on the following critical parameters that determine functional compatibility:

Primary Substitution Criteria:

• Number of Channels: 16-channel configuration
• Connector Type: Header and Screw Terminal Blocks
• Mounting Type: Standoffs
• Style: Standard
• Moisture Sensitivity Level: MSL 1 (Unlimited)

The 70RCK16-HL from Grayhill Inc. provides a direct 16-channel equivalent with identical connector and mounting specifications. The 70RCK8-HL is a reduced-capacity alternative with 8 channels, suitable for applications requiring half the channel density while maintaining the same connector and mounting architecture.

Parameter Comparison

Engineering Selection Recommendations

70RCK16-HL (Primary Substitute): This part is the direct functional equivalent for the PB-16H, matching all critical parameters including 16-channel configuration, connector type, and mounting specifications. The 70RCK16-HL is classified as active product status, ensuring ongoing availability and support. Both parts maintain identical MSL and REACH compliance profiles. Selection of the 70RCK16-HL is appropriate for applications requiring full channel parity with the original PB-16H design.

70RCK8-HL (Reduced-Capacity Alternative): This part shares identical connector and mounting characteristics but provides 8 channels instead of 16. The 70RCK8-HL is suitable for applications where channel density can be reduced or where multiple units can be cascaded to achieve required channel counts. This part is also active product status with equivalent compliance certifications.

Compliance Considerations: Both substitute parts maintain REACH Unaffected and EAR99 ECCN classifications consistent with the original PB-16H. The RoHS non-compliant status of the Grayhill substitutes should be evaluated against system-level RoHS requirements if applicable.

Frequently Asked Questions (FAQ)

Q: Can the 70RCK16-HL directly replace the PB-16H in existing installations?

A: The 70RCK16-HL matches all critical functional parameters: 16-channel configuration, header and screw terminal block connectors, standoff mounting, and identical MSL rating. Physical form factor and connector pinout compatibility must be verified against your specific application documentation before installation.

Q: What is the primary difference between the 70RCK16-HL and 70RCK8-HL?

A: The 70RCK16-HL provides 16 channels, matching the PB-16H capacity. The 70RCK8-HL provides 8 channels. Both share identical connector types, mounting methods, and compliance certifications. Channel count selection depends on your application's I/O requirements.

Q: Are there any compliance differences between the PB-16H and its substitutes?

A: All three parts maintain REACH Unaffected status and EAR99 ECCN classification. The Grayhill substitutes are RoHS non-compliant, whereas the PB-16H RoHS status is not specified. Verify RoHS requirements for your end application before selection.

Q: What does MSL 1 (Unlimited) mean for these components?

A: MSL 1 indicates the lowest moisture sensitivity level, meaning these components have unlimited shelf life and do not require special moisture-controlled storage or handling procedures.

Q: Are the PB-16H and 70RCK16-HL available in the same packaging?

A: The PB-16H packaging is not specified in available documentation. The 70RCK16-HL is supplied in bulk packaging. Confirm packaging requirements and quantities needed for your procurement process.