Grayhill Inc. 90MB06S DIP Switch SPST Equivalent & Substitute Parts

Part Overview

The Grayhill Inc. 90MB06S is a 6-position DIP switch with SPST (Single Pole Single Throw) circuit configuration, rated for 25mA at 24VDC. This component features a slide actuator with standard (flush, recessed) positioning and is designed for through-hole mounting on printed circuit boards.

The 90MB06S carries an Obsolete product status. Identifying equivalent and substitute parts is necessary to ensure continued availability for maintenance, repair, and new production applications where this component specification remains functionally required.

Substiute Parts

90MB06S
Grayhill Inc.In Stock: 120590MB06S Datasheet
90MB06S
Current Part
90B06ST
Grayhill Inc.In Stock: 117690B06ST Datasheet
90B06ST
Similar

Key Parameters

Parameter Value
Manufacturer Grayhill Inc.
Series 90B
Circuit Configuration SPST
Number of Positions 6
Current Rating 25mA
Voltage Rating 24VDC
Actuator Type Slide (Standard)
Actuator Level Flush, Recessed
Mounting Type Through Hole
Pitch 0.100" (2.54mm)
Height Above Board 0.195" (4.95mm)
Contact Material Copper Alloy
Contact Finish Gold
Operating Temperature Range -40°C to 85°C
Mechanical Life 2,000 Cycles
Electrical Life 2,000 Cycles

Substitute Part Grouping Explanation

Substitution eligibility for the 90MB06S is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

  • Circuit configuration (SPST)
  • Number of positions (6)
  • Current rating (25mA)
  • Voltage rating (24VDC)
  • Actuator type (Slide, Standard)
  • Actuator level (Flush, Recessed)
  • Mounting type (Through Hole)
  • Pitch (0.100" / 2.54mm)
  • Height above board (0.195" / 4.95mm)
  • Contact material (Copper Alloy)
  • Contact finish (Gold)
  • Operating temperature range (-40°C to 85°C)
  • Mechanical and electrical life (2,000 Cycles)

The substitute part 90B06ST meets all mandatory matching parameters and belongs to the same Grayhill 90B series. The primary distinction is product status and compliance certification level.

Parameter Comparison

Parameter 90MB06S (Main Part) 90B06ST (Substitute) Match Status
Manufacturer Grayhill Inc. Grayhill Inc. Identical
Series 90B 90B Identical
Circuit Configuration SPST SPST Identical
Number of Positions 6 6 Identical
Current Rating 25mA 25mA Identical
Voltage Rating 24VDC 24VDC Identical
Actuator Type Slide (Standard) Slide (Standard) Identical
Actuator Level Flush, Recessed Flush, Recessed Identical
Mounting Type Through Hole Through Hole Identical
Pitch 0.100" (2.54mm) 0.100" (2.54mm) Identical
Height Above Board 0.195" (4.95mm) 0.195" (4.95mm) Identical
Contact Material Copper Alloy Copper Alloy Identical
Contact Finish Gold Gold Identical
Operating Temperature Range -40°C to 85°C -40°C to 85°C Identical
Mechanical Life 2,000 Cycles 2,000 Cycles Identical
Electrical Life 2,000 Cycles 2,000 Cycles Identical
Product Status Obsolete Active Differs
RoHS Status RoHS non-compliant ROHS3 Compliant Differs
Moisture Sensitivity Level 3 (168 Hours) 1 (Unlimited) Differs
Packaging Not specified Tube Differs

Engineering Selection Recommendations

For New Designs and Production:

The 90B06ST is the appropriate selection for new applications. This part maintains full electrical and mechanical equivalence to the 90MB06S while offering Active product status, ensuring long-term availability and supply chain continuity. The 90B06ST carries ROHS3 compliance certification, meeting current regulatory requirements for electronic components in most jurisdictions.

For Maintenance and Repair of Existing Equipment:

The 90MB06S remains functionally suitable for direct replacement in systems already deployed with this component. The 90MB06S is currently in stock (1131 pieces available). However, for future maintenance cycles, transition planning to the 90B06ST is recommended due to the Obsolete status of the 90MB06S.

Compliance Considerations:

The 90B06ST provides improved moisture sensitivity performance (MSL 1 vs. MSL 3), offering superior reliability in storage and handling environments. Both parts maintain REACH Unaffected and EAR99 ECCN classifications.

Frequently Asked Questions (FAQ)

Q: Can the 90B06ST directly replace the 90MB06S in existing circuit designs?

A: Yes. The 90B06ST is electrically and mechanically equivalent to the 90MB06S across all functional parameters: SPST circuit, 6 positions, 25mA/24VDC rating, slide actuator, through-hole mounting, and identical physical dimensions. No circuit redesign is required.

Q: What is the primary reason to transition from 90MB06S to 90B06ST?

A: The 90MB06S carries Obsolete product status, indicating discontinued manufacturing and limited future availability. The 90B06ST is an Active product from the same manufacturer and series, ensuring continued supply and support.

Q: Are there differences in reliability or performance between these parts?

A: Both parts specify identical mechanical life (2,000 cycles) and electrical life (2,000 cycles). The 90B06ST offers improved moisture sensitivity classification (MSL 1 vs. MSL 3), providing better performance in humid storage and handling conditions.

Q: Does the 90B06ST meet current regulatory requirements?

A: Yes. The 90B06ST is ROHS3 compliant, meeting current European Union and equivalent regulatory standards for electronic components. The 90MB06S is RoHS non-compliant and does not meet these requirements.

Q: What is the difference in packaging between these parts?

A: The 90B06ST is supplied in Tube packaging. The 90MB06S packaging specification is not provided in the technical data. Confirm packaging requirements with your procurement or assembly process specifications.

Q: Are both parts available for immediate purchase?

A: Yes. Both the 90MB06S (1131 pieces) and 90B06ST (1118 pieces) are listed as New Original In Stock. Verify current inventory status with your component supplier.

Q: Can I use the 90B06ST in applications originally designed for the 90MB06S?

A: Yes. Full functional and mechanical compatibility is confirmed. The 90B06ST is suitable for retrofit, repair, and replacement applications in systems originally specified with the 90MB06S.

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