Equivalent & Substitute Parts for Grayhill 97C02SR DIP Switch

Part Overview

The Grayhill 97C02SR is a surface mount DIP switch featuring SPST (Single Pole Single Throw) configuration with 2 positions, rated for 25mA at 24VDC. This component is classified as obsolete, which necessitates identification of equivalent and substitute parts for ongoing design support and procurement continuity. The 97C02SR employs a slide actuator with flush, recessed actuation level and gold-plated copper alloy contacts suitable for washable applications with tape seal protection.

Substiute Parts

97C02SR

Grayhill Inc.In Stock: 111697C02SR Datasheet

Current PartRFQ

97C02SRT

Grayhill Inc.In Stock: 120197C02SRT Datasheet

DirectRFQ

1571983-3

TE Connectivity ALCOSWITCH SwitchesIn Stock: 17041571983-3 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 97C02SR DIP switch are identified based on strict electrical and mechanical parameter matching. The substitution logic is organized into two categories:

Direct Manufacturer Substitute (Same Manufacturer): The 97C02SRT from Grayhill Inc. maintains identical electrical specifications (SPST, 2 positions, 25mA, 24VDC) and mechanical characteristics (slide actuator, flush/recessed level, gold-plated copper alloy contacts, surface mount, gull wing termination, 0.050" pitch). The primary distinction is packaging format (Tape & Reel versus bulk) and product status (Active versus Obsolete). The 97C02SRT achieves ROHS3 compliance, whereas the 97C02SR is non-compliant.

Cross-Manufacturer Substitute (Different Manufacturer): The TE Connectivity ALCOSWITCH 1571983-3 DIP switch satisfies all critical electrical parameters (SPST, 2 positions, 25mA, 24VDC) and primary mechanical requirements (slide actuator, flush/recessed level, gold-plated copper alloy contacts, surface mount, gull wing termination, 0.050" pitch). Measurable differences include height above board (0.091" versus 0.063"), body material (Polyphenylene Sulfide versus Polyamide), length (0.144" versus 0.148"), and operating temperature lower limit (-30°C versus -40°C). The 1571983-3 is Active status and ROHS3 compliant with documented electrical life rating.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Same Manufacturer): The 97C02SRT is the primary substitute for the obsolete 97C02SR. Both components are manufactured by Grayhill Inc. and share identical electrical and mechanical specifications. The 97C02SRT is currently in Active product status with 1,180 pieces available in inventory. The transition from RoHS non-compliant to ROHS3 compliant status makes the 97C02SRT suitable for new designs and procurement cycles requiring regulatory compliance. Packaging is supplied in Tape & Reel format.

For Cross-Manufacturer Substitution: The TE Connectivity ALCOSWITCH 1571983-3 serves as a functional equivalent when Grayhill components are unavailable or when design flexibility permits cross-manufacturer sourcing. This part maintains all critical electrical parameters and core mechanical characteristics. The 1571983-3 is Active status with 1,682 pieces in inventory and achieves ROHS3 compliance. Design considerations include the increased height above board (0.091" versus 0.063"), which may affect PCB layout and enclosure clearance. The operating temperature lower limit of -30°C (versus -40°C) must be evaluated against application requirements. The documented electrical life rating of 1,000 cycles provides additional reliability data compared to the unspecified electrical life of the Grayhill 97C02SR.

Frequently Asked Questions (FAQ)

Q: Can the 97C02SRT directly replace the 97C02SR in existing designs? A: Yes. The 97C02SRT maintains identical electrical specifications (SPST, 2 positions, 25mA, 24VDC) and mechanical dimensions (0.063" height, 0.148" length, 0.050" pitch). The primary difference is product status (Active versus Obsolete) and RoHS compliance. No circuit redesign is required.

Q: What are the key differences between the Grayhill 97C02SRT and TE Connectivity 1571983-3? A: Both parts satisfy identical electrical requirements and share the same actuator type, contact material, and pitch. Measurable differences include height above board (0.091" for TE versus 0.063" for Grayhill), body material composition (PPS versus Nylon), and operating temperature lower limit (-30°C for TE versus -40°C for Grayhill). The TE part includes documented electrical life specification.

Q: Is the increased height of the 1571983-3 (0.091" versus 0.063") a compatibility issue? A: Height difference must be evaluated against specific PCB layout and enclosure design constraints. The 0.028" (0.71mm) increase may affect clearance in space-constrained applications. Mechanical verification against board-level and system-level height requirements is necessary.

Q: Are all substitute parts washable? A: Yes. Both the 97C02SRT and 1571983-3 are washable with tape seal protection, matching the washable specification of the original 97C02SR.

Q: What is the packaging difference between 97C02SR and 97C02SRT? A: The 97C02SR is supplied in bulk packaging, while the 97C02SRT is supplied in Tape & Reel (TR) format. Tape & Reel packaging is standard for automated assembly processes.

Q: Do all parts meet current RoHS requirements? A: The original 97C02SR is RoHS non-compliant. Both substitute parts (97C02SRT and 1571983-3) are ROHS3 compliant, meeting current regulatory requirements for new designs and procurement.

Q: What is the operating temperature consideration for the TE Connectivity 1571983-3? A: The 1571983-3 operates from -30°C to 85°C, compared to -40°C to 85°C for the Grayhill parts. Applications requiring operation below -30°C must use the Grayhill 97C02SRT or original 97C02SR.