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

Part Overview

The PB-16M is a 16-channel I/O module rack manufactured by Sensata Technologies, designed for industrial input/output applications with card edge and screw terminal block connectivity. The product is currently obsolete, making equivalent substitute parts necessary for system maintenance, repair, and replacement in existing installations. Identifying compatible alternatives ensures continuity of operation for legacy systems utilizing this component.

Substiute Parts

PB-16M

Sensata TechnologiesIn Stock: 1025PB-16M 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-16M are identified based on the following critical parameters that determine functional equivalence:

• Number of Channels: 16 channels (mandatory match)
• Style: Mini form factor (mandatory match)
• Mounting Type: Standoffs (mandatory match)
• Moisture Sensitivity Level: MSL 1 (Unlimited) (mandatory match)
• Connector Type: Card Edge and/or Screw Terminal Blocks (acceptable variations)
• Regulatory Compliance: REACH Unaffected and ECCN EAR99 (mandatory match)

The substitute parts listed below meet all mandatory electrical and mechanical parameters. Variations in connector type (Header vs. Card Edge) and RoHS compliance status are noted as secondary considerations for specific application requirements.

Parameter Comparison

Engineering Selection Recommendations

Both Grayhill substitute parts (70MRCK16-EC and 70MRCK16-HL) satisfy the mandatory electrical and mechanical parameters required for functional equivalence to the obsolete PB-16M.

70MRCK16-EC is the primary substitute candidate. It maintains identical connector type configuration (Card Edge and Screw Terminal Blocks) to the original PB-16M and carries active product status with RoHS compliance certification. This part is suitable for new installations and systems requiring modern compliance standards.

70MRCK16-HL is an alternative substitute with active product status. The connector type variation (Header instead of Card Edge) requires mechanical interface verification before selection. This part carries RoHS non-compliant status and should be evaluated against specific system compliance requirements.

Both parts are manufactured by Grayhill Inc. under the System 50 series and maintain identical channel count, form factor, mounting configuration, and moisture sensitivity specifications as the original PB-16M.

Frequently Asked Questions (FAQ)

Q: Can the 70MRCK16-EC directly replace the PB-16M without modification?

A: The 70MRCK16-EC maintains identical connector type (Card Edge and Screw Terminal Blocks), channel count (16), mounting type (Standoffs), and moisture sensitivity level (MSL 1). Direct replacement is supported from an electrical and mechanical standpoint, provided the physical mounting interface is compatible with existing system design.

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

A: The primary difference is connector type. The 70MRCK16-EC uses Card Edge and Screw Terminal Blocks, matching the original PB-16M configuration. The 70MRCK16-HL uses Header and Screw Terminal Blocks. Additionally, 70MRCK16-EC is RoHS Compliant, while 70MRCK16-HL is RoHS non-compliant. Selection depends on specific connector interface requirements and compliance mandates.

Q: Why is the PB-16M listed as obsolete?

A: Obsolete status indicates the part is no longer manufactured by Sensata Technologies. Substitute parts from active manufacturers (Grayhill Inc.) are recommended for ongoing system support and new applications.

Q: Are both substitute parts REACH compliant?

A: Yes. Both 70MRCK16-EC and 70MRCK16-HL carry REACH Unaffected status, matching the regulatory classification of the original PB-16M.

Q: Does RoHS compliance affect functional compatibility?

A: RoHS compliance affects material composition and environmental regulatory requirements but does not impact electrical or mechanical functionality. Selection between RoHS Compliant (70MRCK16-EC) and RoHS non-compliant (70MRCK16-HL) depends on system-level compliance mandates and regional regulatory requirements.