Equivalent & Substitute Parts for 94HAB16W

Part Overview

The 94HAB16W is a surface mount rotary DIP switch manufactured by Grayhill Inc., designed for hexadecimal selection applications requiring tool actuation. This component features a 16-position rotary actuator with sealed construction, rated for 100mA at 50VDC operation across an industrial temperature range of -40°C to 85°C.

The 94HAB16W is classified as obsolete. Identifying equivalent substitute parts is necessary to support ongoing maintenance, repair, and production requirements for legacy systems utilizing this component. The substitute part 94HAB16WT provides functional equivalence while maintaining active product status and improved availability.

Substiute Parts

94HAB16W

Grayhill Inc.In Stock: 105094HAB16W Datasheet

Current PartRFQ

94HAB16WT

Grayhill Inc.In Stock: 447194HAB16WT Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 94HAB16W is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part 94HAB16WT qualifies as a direct equivalent based on the following criteria:

Electrical Parameters (Must Match Exactly):

• Hexadecimal circuit configuration (16 positions)
• 100mA current rating
• 50VDC voltage rating
• Gold-plated copper alloy contacts
• Operating temperature range: -40°C to 85°C

Mechanical Parameters (Must Match Exactly):

• Surface mount mounting type
• Gull wing termination style
• 0.100" (2.54mm) pitch spacing
• 0.225" (5.72mm) height above board
• Rotary tool actuator type with flush, recessed actuator level
• Sealed construction
• 10,000 cycle mechanical life rating

Compliance Parameters (Must Match or Exceed):

• ROHS3 compliance
• MSL 1 rating
• REACH unaffected status

The 94HAB16WT maintains identical specifications across all parameters while differing only in product status (active versus obsolete) and packaging format (tube versus unspecified for the main part).

Parameter Comparison

Engineering Selection Recommendations

The 94HAB16WT is the direct equivalent substitute for the obsolete 94HAB16W. Selection of the 94HAB16WT is supported by the following engineering factors:

Functional Equivalence: All electrical and mechanical parameters are identical, ensuring drop-in compatibility with existing PCB designs and system requirements.

Product Status: The 94HAB16WT maintains active product status with Grayhill Inc., providing assured long-term availability and supply chain continuity compared to the obsolete 94HAB16W.

Regulatory Compliance: Both parts maintain ROHS3 compliance and REACH unaffected status, satisfying current environmental and regulatory requirements for electronic component procurement.

Inventory Availability: The 94HAB16WT demonstrates significantly higher inventory levels (4412 pcs) compared to the 94HAB16W (1010 pcs), supporting production scheduling and procurement planning.

Packaging Consideration: The 94HAB16WT is supplied in tube packaging, which is standard for surface mount component handling and automated assembly processes.

No design modifications, PCB layout changes, or system reconfiguration are required when substituting the 94HAB16WT for the 94HAB16W.

Frequently Asked Questions (FAQ)

Q: Can the 94HAB16WT be used as a direct replacement for the 94HAB16W without PCB modifications?

A: Yes. The 94HAB16WT is electrically and mechanically identical to the 94HAB16W. All critical parameters including pitch, height, termination style, and electrical ratings are equivalent. No PCB layout changes are required.

Q: What is the primary difference between the 94HAB16W and 94HAB16WT?

A: The 94HAB16W is classified as obsolete, while the 94HAB16WT maintains active product status. Both parts are manufactured by Grayhill Inc. and share identical electrical and mechanical specifications. The 94HAB16WT is supplied in tube packaging.

Q: Are there any compliance or certification differences between these parts?

A: No. Both the 94HAB16W and 94HAB16WT maintain ROHS3 compliance, REACH unaffected status, and MSL 1 rating. Regulatory and environmental compliance requirements are equivalent.

Q: What is the significance of the "T" designation in the 94HAB16WT part number?

A: The "T" designation indicates tube packaging format. This is a packaging variation of the base 94HAB16 product, not a functional or electrical modification.

Q: Can the 94HAB16WT handle the same electrical load as the 94HAB16W?

A: Yes. Both parts are rated for 100mA at 50VDC with identical contact materials and finishes. Electrical performance and load-carrying capacity are equivalent.

Q: What is the mechanical life expectancy for the 94HAB16WT?

A: The 94HAB16WT is rated for 10,000 mechanical cycles, identical to the 94HAB16W specification.

Q: Are there any temperature or environmental operating differences?

A: No. Both parts operate across the identical temperature range of -40°C to 85°C and feature sealed construction for environmental protection.

Q: Why should the 94HAB16WT be selected over the obsolete 94HAB16W?

A: The 94HAB16WT should be selected for new designs and ongoing production due to its active product status, ensuring long-term availability and supply chain reliability. For legacy system maintenance, the 94HAB16WT provides functional equivalence while supporting continued component sourcing.