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

Part Overview

The PB-16SM-C is a 16-channel I/O module rack manufactured by Sensata-Crydom in mini style configuration. This component is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing system maintenance and new design implementations. The module features header and screw terminal block connectors with standoff mounting, designed for industrial control and signal distribution applications.

Substiute Parts

PB-16SM-C

Sensata-CrydomIn Stock: 1103PB-16SM-C Datasheet

Current PartRFQ

70MRCK16-EC

Grayhill Inc.In Stock: 89270MRCK16-EC Datasheet

SimilarRFQ

70MRCK16-HL

Grayhill Inc.In Stock: 109470MRCK16-HL Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

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

• Number of Channels: 16 channels (exact match required)
• Style: Mini form factor (exact match required)
• Mounting Type: Standoffs (exact match required)
• Connector Type: Header and/or screw terminal blocks (compatible configurations)
• Moisture Sensitivity Level: MSL 1 (Unlimited) (exact match required)
• REACH Status: REACH Unaffected (compatible)

Two substitute parts meet these criteria: the 70MRCK16-EC and 70MRCK16-HL, both manufactured by Grayhill Inc. from the System 50 series. Both alternatives maintain the 16-channel configuration, mini style, standoff mounting, and MSL 1 rating. The primary distinction between substitutes relates to connector type configuration and RoHS compliance status.

Parameter Comparison

Engineering Selection Recommendations

70MRCK16-HL is the primary substitute for PB-16SM-C. This part maintains identical connector type configuration (header and screw terminal blocks) and all critical electrical and mechanical parameters. The 70MRCK16-HL is currently in active production status with confirmed inventory availability. RoHS non-compliance status matches the unspecified RoHS status of the original part.

70MRCK16-EC serves as an alternative substitute when connector type flexibility is acceptable. This part differs in connector configuration, featuring card edge connectors in place of header connectors. The 70MRCK16-EC is RoHS compliant and maintains all other critical parameters. Selection of this alternative requires verification that card edge connector compatibility aligns with system requirements.

Both substitutes are manufactured by Grayhill Inc., classified as active products, and maintain REACH Unaffected status consistent with the original component.

Frequently Asked Questions (FAQ)

Q: Can 70MRCK16-HL directly replace PB-16SM-C without modification?

A: Yes. The 70MRCK16-HL maintains identical connector type (header and screw terminal blocks), channel count (16), style (mini), mounting method (standoffs), and moisture sensitivity rating (MSL 1). No physical or electrical modification is required.

Q: What is the primary difference between the two Grayhill substitutes?

A: The 70MRCK16-EC uses card edge connectors, while the 70MRCK16-HL uses header and screw terminal block connectors. The 70MRCK16-EC is RoHS compliant; the 70MRCK16-HL is RoHS non-compliant. Both maintain identical channel count, style, mounting type, and MSL rating.

Q: Is RoHS compliance a factor in selecting between substitutes?

A: RoHS compliance status is provided for reference. Selection between 70MRCK16-EC (RoHS compliant) and 70MRCK16-HL (RoHS non-compliant) depends on system-level regulatory requirements and application specifications.

Q: Why is connector type significant in substitute selection?

A: Connector type determines physical and electrical interface compatibility with mating components in the system. Header and screw terminal block connectors (70MRCK16-HL) are directly compatible with systems designed for PB-16SM-C. Card edge connectors (70MRCK16-EC) require different mating hardware and may necessitate system redesign.

Q: Are both substitutes available in equivalent quantities?

A: Inventory availability is subject to current stock levels. The 70MRCK16-HL shows 1052 pieces in stock, and the 70MRCK16-EC shows 868 pieces in stock at the time of this reference documentation.