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

Part Overview

The PB-16S is a 16-channel I/O module rack manufactured by Sensata-Crydom, designed for industrial control and signal distribution applications. This component features screw terminal block connectors and standoff mounting, providing reliable interface connectivity in compact form factor. The product is currently obsolete, making identification of functionally equivalent alternatives essential for system maintenance, repair, and legacy equipment support.

Substiute Parts

PB-16S

Sensata-CrydomIn Stock: 1180PB-16S Datasheet

Current PartRFQ

70MRCK16-HL

Grayhill Inc.In Stock: 109470MRCK16-HL Datasheet

SimilarRFQ

70RCK16

Grayhill Inc.In Stock: 101870RCK16 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

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

• Channel Count: 16 channels (mandatory match)
• Connector Type: Screw terminal blocks (primary interface requirement)
• Mounting Type: Standoffs (physical installation compatibility)
• Moisture Sensitivity Level: MSL 1 (environmental tolerance equivalence)
• REACH and ECCN Compliance: Regulatory alignment for supply chain continuity

Two substitute parts meet these criteria: the 70MRCK16-HL and 70RCK16, both manufactured by Grayhill Inc. under the System 50 series. Both maintain 16-channel architecture with screw terminal block connectivity and standoff mounting. The 70MRCK16-HL includes dual connector options (header and screw terminal blocks), while the 70RCK16 provides card edge and screw terminal block connectors. Both are currently active products with equivalent MSL ratings and regulatory status.

Parameter Comparison

Engineering Selection Recommendations

Both 70MRCK16-HL and 70RCK16 are active products from Grayhill Inc., providing supply chain continuity for applications currently using the obsolete PB-16S. Selection between these two substitutes depends on form factor requirements and connector interface specifications:

70MRCK16-HL: Maintains mini form factor matching the original PB-16S physical envelope. Dual connector configuration (header and screw terminal blocks) provides flexible integration options. RoHS non-compliant status should be evaluated against system requirements.

70RCK16: Offers standard form factor with card edge connector option in addition to screw terminal blocks. RoHS non-compliant status should be evaluated against system requirements. Physical dimensions may differ from the original PB-16S due to standard versus mini style classification.

Both parts maintain equivalent environmental tolerance (MSL 1), regulatory compliance (REACH Unaffected, EAR99), and core functionality (16-channel I/O module rack architecture with standoff mounting).

Frequently Asked Questions (FAQ)

Q: Can the 70MRCK16-HL directly replace the PB-16S in existing installations?

A: The 70MRCK16-HL maintains the same 16-channel count, screw terminal block connectors, standoff mounting, and mini form factor as the PB-16S. Physical compatibility depends on verification of mounting hole spacing and connector pin assignments in your specific application.

Q: What is the difference between the 70MRCK16-HL and 70RCK16?

A: The 70MRCK16-HL maintains mini form factor and includes header connectors alongside screw terminal blocks. The 70RCK16 uses standard form factor and includes card edge connectors alongside screw terminal blocks. Both provide 16-channel I/O functionality with screw terminal block connectivity.

Q: Are there packaging differences between these substitute parts?

A: The PB-16S is packaged with standoffs. The 70MRCK16-HL and 70RCK16 are supplied in bulk packaging. Verify that mounting hardware and installation requirements align with your system specifications.

Q: Do the substitute parts have the same environmental ratings as the PB-16S?

A: All three parts share MSL 1 (Unlimited) moisture sensitivity rating, indicating equivalent environmental tolerance for storage and handling.

Q: What compliance certifications apply to these substitute parts?

A: All three parts maintain REACH Unaffected status and EAR99 ECCN classification. The 70MRCK16-HL and 70RCK16 are RoHS non-compliant; verify compliance requirements for your application.