Grayhill 97C08SR DIP Switch Equivalent & Substitute Parts

Part Overview

The Grayhill 97C08SR is an 8-position surface mount DIP switch with SPST circuit configuration, rated for 25mA at 24VDC. This component features a slide actuator with gold-plated copper alloy contacts and is designed for applications requiring reliable switching in compact form factors.

The 97C08SR carries an Obsolete product status. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production and field service requirements for legacy systems utilizing this component.

Substiute Parts

97C08SR

Grayhill Inc.In Stock: 74097C08SR Datasheet

Current PartRFQ

97C08SRT

Grayhill Inc.In Stock: 169997C08SRT Datasheet

DirectRFQ

1-1571983-1

TE Connectivity ALCOSWITCH SwitchesIn Stock: 33371-1571983-1 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 97C08SR is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Circuit configuration (SPST)
• Number of positions (8)
• Current rating (25mA)
• Voltage rating (24VDC)
• Actuator type (Slide, Standard)
• Mounting type (Surface Mount)
• Termination style (Gull Wing)
• Pitch (0.050" / 1.27mm, Half)
• Contact material and finish (Copper Alloy, Gold)
• Mechanical life (1,000 Cycles)

Allowable Variations:

• Product status (Obsolete to Active)
• Packaging format (bulk to Tape & Reel or Cut Tape)
• RoHS compliance status
• Minor dimensional tolerances within functional equivalence
• Operating temperature range (provided minimum is maintained or exceeded)
• Body material composition (functionally equivalent polymers)

The identified substitutes maintain electrical and mechanical compatibility with the original 97C08SR specification while offering improved availability and compliance status.

Parameter Comparison

Engineering Selection Recommendations

97C08SRT (Grayhill Inc.) - Primary Substitute

The 97C08SRT is the direct successor to the 97C08SR within the Grayhill 97 series. Both components share identical electrical specifications, mechanical dimensions, and contact characteristics. The 97C08SRT carries Active product status and ROHS3 compliance, providing improved supply chain stability compared to the Obsolete 97C08SR. Packaging is available in Tape & Reel format, supporting automated assembly processes. This substitute is recommended for new production runs and field service applications where Grayhill component continuity is preferred.

1-1571983-1 (TE Connectivity ALCOSWITCH) - Cross-Manufacturer Substitute

The TE Connectivity 1-1571983-1 provides electrical and functional equivalence across all critical switching parameters. This component maintains the same 8-position SPST configuration, 25mA/24VDC rating, and slide actuator design. The TE part features a polyphenylene sulfide (PPS) body material, which offers enhanced chemical and thermal resistance compared to polyamide. Height above board is 0.091" (2.30mm) versus 0.063" (1.60mm) for the Grayhill parts, requiring PCB layout verification for clearance compatibility. Operating temperature minimum is -30°C versus -40°C for the Grayhill parts. The TE component carries ROHS3 compliance and demonstrates higher inventory availability (3300 units). This substitute is suitable for applications where cross-manufacturer sourcing is acceptable and PCB clearance permits the increased height profile.

Compliance Considerations

Both substitute parts achieve ROHS3 compliance, addressing regulatory requirements for new designs and updated legacy systems. The original 97C08SR is RoHS non-compliant; substitution with either active-status part aligns with current environmental standards.

Frequently Asked Questions (FAQ)

Q: Can the 97C08SRT directly replace the 97C08SR without PCB modifications?

A: Yes. The 97C08SRT maintains identical electrical ratings, mechanical dimensions, and termination style. No PCB layout changes are required for direct substitution.

Q: What is the primary difference between 97C08SR and 97C08SRT?

A: The 97C08SRT is the active production variant with improved RoHS3 compliance and Tape & Reel packaging. Electrical and mechanical specifications are identical. The 97C08SR is Obsolete status.

Q: Can the TE Connectivity 1-1571983-1 be used as a substitute?

A: The 1-1571983-1 provides electrical equivalence and is functionally compatible. However, the increased height above board (0.091" versus 0.063") requires verification of PCB clearance. Confirm available vertical space before implementation.

Q: Are there packaging considerations when substituting these parts?

A: Yes. The 97C08SR is supplied in bulk packaging. The 97C08SRT uses Tape & Reel format, and the 1-1571983-1 uses Cut Tape & Digi-Reel format. Verify that your assembly process supports the substitute packaging format.

Q: What is the operating temperature difference between the Grayhill and TE parts?

A: Grayhill parts (97C08SR and 97C08SRT) operate from -40°C to 85°C. The TE 1-1571983-1 operates from -30°C to 85°C. For applications requiring -40°C operation, the Grayhill parts are required.

Q: Are all three parts RoHS compliant?

A: The 97C08SR is RoHS non-compliant. Both 97C08SRT and 1-1571983-1 are ROHS3 compliant, meeting current environmental regulations.

Q: What contact material is used in these DIP switches?

A: All three parts use copper alloy contacts with gold plating, ensuring reliable low-level switching performance and corrosion resistance.

Q: Is mechanical life equivalent across all three parts?

A: Yes. All three parts are rated for 1,000 mechanical cycles, providing equivalent operational durability.

Q: Which substitute offers the best supply availability?

A: The TE Connectivity 1-1571983-1 currently has the highest inventory (3300 units), followed by 97C08SRT (1620 units). The original 97C08SR has 721 units available.