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Grayhill 97R06RT DIP Switch SPST Equivalent & Substitute Parts
Part Overview
The Grayhill 97R06RT is a 6-position surface mount DIP switch with SPST (Single Pole Single Throw) circuit configuration, rated for 25mA at 24VDC. This component is designed for applications requiring discrete switching functionality in compact form factors. The part maintains Active product status with full RoHS and REACH compliance. Substitute parts are identified when equivalent electrical ratings, mechanical compatibility, and circuit functionality align with the original specification, enabling component procurement flexibility and supply chain continuity.
Substiute Parts
Key Parameters
| Parameter | Value | Significance for Substitution |
|---|---|---|
| Circuit Type | SPST | Defines switching topology; substitutes must maintain identical circuit configuration |
| Number of Positions | 6 | Determines switch count and package footprint; must match for direct substitution |
| Current Rating | 25mA | Maximum switching current; substitute must meet or exceed this specification |
| Voltage Rating | 24VDC | Operating voltage; substitute must support this voltage level |
| Mounting Type | Surface Mount | PCB assembly method; substitutes must use compatible mounting technology |
| Pitch | 0.050" (1.27mm), Half | Center-to-center spacing between switch positions; critical for PCB layout compatibility |
| Termination Style | Gull Wing | Lead configuration for surface mount assembly; must match for reflow soldering compatibility |
| Contact Finish | Gold | Electrical contact material; ensures reliable switching performance and corrosion resistance |
| Actuator Type | Slide (Standard) | User interface mechanism; determines operational method and panel cutout requirements |
| Operating Temperature Range | -40°C ~ 85°C | Environmental operating limits; substitute must support this temperature envelope |
| RoHS Status | RoHS Compliant | Regulatory compliance requirement; substitute must maintain equivalent compliance level |
Substitute Part Grouping Explanation
Substitute part identification for the Grayhill 97R06RT is based on strict electrical and mechanical parameter alignment. The following criteria determine substitution eligibility:
Mandatory Matching Parameters:
- Circuit configuration: SPST (Single Pole Single Throw)
- Number of positions: 6
- Current rating: 25mA minimum
- Voltage rating: 24VDC minimum
- Mounting type: Surface Mount
- Pitch: 0.050" (1.27mm), Half
- Termination style: Gull Wing
- Contact finish: Gold plated
- Actuator type: Slide (Standard)
Acceptable Variation Parameters:
- Operating temperature range may extend beyond the original specification
- Contact material composition may differ (Beryllium Copper vs. Copper Alloy) provided electrical performance is maintained
- Height above board may vary within mechanical envelope constraints
- Mechanical life or electrical life specifications may differ if not specified in original part
- Washable capability may be added as an enhancement feature
The CTS Electrocomponents 218-6LPST meets all mandatory matching parameters and qualifies as a direct substitute for the Grayhill 97R06RT.
Parameter Comparison
| Parameter | Grayhill 97R06RT | CTS 218-6LPST | Compatibility Status |
|---|---|---|---|
| Manufacturer | Grayhill Inc. | CTS Electrocomponents | Different manufacturer |
| Circuit Type | SPST | SPST | Match |
| Number of Positions | 6 | 6 | Match |
| Current Rating (Amps) | 25mA | 25mA | Match |
| Voltage Rating | 24VDC | 24VDC | Match |
| Actuator Type | Slide (Standard) | Slide (Standard) | Match |
| Actuator Level | Flush, Recessed | Flush, Recessed | Match |
| Contact Material | Copper Alloy | Beryllium Copper | Functionally equivalent |
| Contact Finish | Gold | Gold | Match |
| Height Above Board | 0.061" (1.55mm) | 0.104" (2.65mm) | Acceptable variation |
| Mounting Type | Surface Mount | Surface Mount | Match |
| Termination Style | Gull Wing | Gull Wing | Match |
| Pitch | 0.050" (1.27mm), Half | 0.050" (1.27mm), Half | Match |
| Washable | No | Yes | Enhanced capability |
| Operating Temperature | -40°C ~ 85°C | -55°C ~ 85°C | Extended range |
| RoHS Status | RoHS Compliant | ROHS3 Compliant | Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | Match |
| REACH Status | REACH Unaffected | REACH Unaffected | Match |
| ECCN | EAR99 | EAR99 | Match |
| HTSUS Code | 8536.50.9065 | 8536.50.9065 | Match |
Engineering Selection Recommendations
Grayhill 97R06RT Selection Criteria:
- Primary choice when original design specification explicitly requires Grayhill series components
- Preferred for applications with strict height constraints (0.061" above board)
- Suitable for standard industrial environments within -40°C to 85°C operating range
- Active product status ensures continued availability and supply chain stability
- RoHS Compliant certification meets regulatory requirements for restricted substance elimination
CTS Electrocomponents 218-6LPST Selection Criteria:
- Direct functional substitute when Grayhill 97R06RT is unavailable or supply-constrained
- Extended operating temperature range (-55°C to 85°C) accommodates wider environmental specifications
- Epoxy sealed terminals and tape seal features provide enhanced environmental protection
- Washable capability supports applications requiring post-assembly cleaning processes
- ROHS3 Compliant status meets current regulatory standards
- Beryllium Copper contact material provides equivalent electrical performance with enhanced durability characteristics
- Acceptable height variation (0.104" above board) for applications without strict vertical space constraints
Both parts maintain identical electrical ratings, circuit configuration, and mechanical pitch specifications, enabling direct PCB layout compatibility without redesign.
Frequently Asked Questions (FAQ)
Q: Can the CTS 218-6LPST be used as a direct replacement for the Grayhill 97R06RT on existing PCBs?
A: Yes. Both parts share identical pitch (0.050" half), termination style (Gull Wing), and mounting type (Surface Mount). The CTS part has a slightly greater height above board (0.104" vs. 0.061"), which is acceptable for most applications unless vertical clearance is constrained. PCB footprints are compatible without modification.
Q: What is the difference in contact material between these two parts?
A: The Grayhill 97R06RT uses Copper Alloy contacts, while the CTS 218-6LPST uses Beryllium Copper contacts. Both materials are gold-plated and provide equivalent electrical switching performance at 25mA, 24VDC. Beryllium Copper offers enhanced mechanical durability and contact resistance characteristics.
Q: Are there any compliance differences between these parts?
A: Both parts are RoHS compliant and REACH unaffected. The Grayhill part carries RoHS Compliant certification, while the CTS part carries ROHS3 Compliant certification. Both meet current regulatory requirements. ECCN and HTSUS codes are identical.
Q: Does the CTS 218-6LPST washable feature affect electrical performance?
A: No. The washable capability (Epoxy Sealed Terminals, Tape Seal) is an enhancement feature that provides additional environmental protection. It does not alter the electrical switching characteristics or ratings. Washability is beneficial for applications requiring post-assembly cleaning but is not required for standard operation.
Q: What is the temperature operating range difference, and does it matter?
A: The Grayhill 97R06RT operates from -40°C to 85°C, while the CTS 218-6LPST operates from -55°C to 85°C. The CTS part has an extended lower temperature limit. For applications operating within -40°C to 85°C, both parts are equivalent. For applications requiring operation below -40°C, the CTS part is required.
Q: Are the electrical life and mechanical life specifications equivalent?
A: The Grayhill 97R06RT specifies 1,000 cycles mechanical life. The CTS 218-6LPST specifies 1,000 cycles electrical life. Both parts are rated for 1,000 cycle operation. The different specification terminology reflects manufacturer testing methodology but indicates equivalent operational durability.
Q: What packaging differences exist between these parts?
A: The Grayhill 97R06RT is supplied in standard packaging (not specified), while the CTS 218-6LPST is supplied in Tube packaging. Both parts have MSL 1 (Unlimited) moisture sensitivity, indicating no special storage requirements. Tube packaging is standard for surface mount components and does not affect component performance.
Q: Can these parts be used interchangeably in new designs?
A: Yes. Both parts meet identical electrical and mechanical specifications for SPST 6-position DIP switches at 25mA, 24VDC with surface mount configuration. New designs may specify either part based on availability, cost, or specific feature requirements (such as washability or extended temperature range).
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