Grayhill 76MSB08S DIP Switch Equivalent & Substitute Parts

Part Overview

The Grayhill 76MSB08S is an 8-position DIP switch with rocker actuator, rated for 150mA at 30VDC, designed for through-hole PCB mounting. This component is classified as obsolete, making identification of functionally equivalent active alternatives essential for ongoing production and design continuity. The 76MSB08S remains available in inventory but sourcing from active product lines ensures long-term supply chain stability and manufacturing support.

Substiute Parts

76MSB08S
Grayhill Inc.In Stock: 109076MSB08S Datasheet
76MSB08S
Current Part
76SB08ST
Grayhill Inc.In Stock: 153576SB08ST Datasheet
76SB08ST
Similar

Key Parameters

Parameter Value
Circuit Configuration SPST (Single Pole Single Throw)
Number of Positions 8
Current Rating 150mA
Voltage Rating 30VDC
Actuator Type Rocker, Raised Level
Mounting Type Through Hole
Pitch 0.100" (2.54mm)
Height Above Board 0.315" (8.00mm)
Contact Material Copper Alloy with Gold Finish
Operating Temperature Range -40°C to +85°C
Mechanical/Electrical Life 2,000 Cycles

Substitute Part Grouping Explanation

Substitution of the 76MSB08S is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part must maintain identical specifications in circuit configuration, position count, current and voltage ratings, actuator geometry, mounting footprint, and environmental operating range. These parameters define functional interchangeability at the PCB assembly level.

The Grayhill 76SB08ST qualifies as a direct substitute based on matching all parameters listed above. The primary distinction between these parts is product status and packaging format, not electrical or mechanical performance.

Parameter Comparison

Parameter 76MSB08S (Main Part) 76SB08ST (Substitute) Match Status
Manufacturer Grayhill Inc. Grayhill Inc. Identical
Circuit Configuration SPST SPST Identical
Number of Positions 8 8 Identical
Current Rating (Amps) 150mA 150mA Identical
Voltage Rating 30VDC 30VDC Identical
Actuator Type Rocker, Raised Rocker, Raised Identical
Mounting Type Through Hole Through Hole Identical
Pitch 0.100" (2.54mm) 0.100" (2.54mm) Identical
Height Above Board 0.315" (8.00mm) 0.315" (8.00mm) Identical
Contact Material Copper Alloy Copper Alloy Identical
Contact Finish Gold Gold Identical
Length 0.880" (22.35mm) 0.880" (22.35mm) Identical
Operating Temperature -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
RoHS Status ROHS3 Compliant ROHS3 Compliant Identical
MSL Rating 1 (Unlimited) 1 (Unlimited) Identical
REACH Status REACH Unaffected REACH Unaffected Identical
Product Status Obsolete Active Different
Packaging Tape Seal Tube Different

Engineering Selection Recommendations

The 76SB08ST is the appropriate substitute for the obsolete 76MSB08S. Both components are manufactured by Grayhill Inc. and carry identical electrical and mechanical specifications, ensuring direct PCB-level compatibility without design modification.

The 76SB08ST holds active product status, providing assured long-term availability and manufacturing support. Both parts maintain ROHS3 compliance and REACH unaffected status, satisfying current regulatory requirements for electronics manufacturing.

The packaging difference (Tube versus Tape Seal) reflects standard industry practice for active versus legacy product lines and does not affect component performance or PCB assembly compatibility. Selection between these parts should be based on supply chain requirements and production volume considerations.

Frequently Asked Questions (FAQ)

Q: Can the 76SB08ST be used as a direct replacement for the 76MSB08S in existing designs?

A: Yes. The 76SB08ST is electrically and mechanically identical to the 76MSB08S. No PCB layout modifications, schematic changes, or firmware adjustments are required. The components are pin-compatible and functionally equivalent.

Q: What is the significance of the product status difference (Obsolete vs. Active)?

A: Product status indicates manufacturing lifecycle stage. The 76MSB08S is obsolete, meaning Grayhill has discontinued active production and support. The 76SB08ST is active, ensuring continued manufacturing, technical support, and supply availability. For new designs or ongoing production, the active part is the preferred choice.

Q: Does the packaging difference (Tape Seal vs. Tube) affect component selection?

A: Packaging format does not affect electrical or mechanical performance. Tape Seal and Tube packaging are alternative distribution methods for the same component. Selection depends on assembly line equipment compatibility and inventory management practices. Both formats contain identical components.

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

A: No. Both the 76MSB08S and 76SB08ST carry identical RoHS3 compliance, REACH unaffected status, and MSL ratings. Regulatory and environmental certifications are equivalent.

Q: What parameters must remain identical for substitution to be valid?

A: Circuit configuration (SPST), position count (8), current rating (150mA), voltage rating (30VDC), actuator type and geometry, mounting footprint (pitch and height), contact material and finish, operating temperature range, and lifecycle ratings must all match exactly. Any deviation in these parameters invalidates substitution.

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