Grayhill 78B10SRAT DIP Switch Equivalent & Substitute Parts

Part Overview

The Grayhill 78B10SRAT is an active-status DIP switch designed for through-hole, right-angle mounting applications. This SPST 10-position slide switch operates at 150mA and 30VDC, featuring gold-plated copper alloy contacts and a raised slide actuator. The component is packaged in tubes and includes tape seal protection with washable construction.

Substitute parts are identified when equivalent electrical and mechanical parameters align within the allowed specifications for this DIP switch category, enabling direct functional replacement in circuit designs where the primary part becomes unavailable or inventory constraints require alternative sourcing.

Substiute Parts

78B10SRAT

Grayhill Inc.In Stock: 95078B10SRAT Datasheet

Current PartRFQ

206-10RAST

CTS ElectrocomponentsIn Stock: 1060206-10RAST Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Grayhill 78B10SRAT is determined by strict alignment of the following parameters:

Critical Matching Parameters:

• Circuit configuration (SPST)
• Number of positions (10)
• Mounting type (Through Hole, Right Angle)
• Pitch spacing (0.100" / 2.54mm)
• Actuator type (Slide, Standard, Raised)
• Termination style (PC Pin)
• Contact finish (Gold)
• Packaging format (Tube)
• Compliance certifications (ROHS3, REACH Unaffected, EAR99)

Allowable Variation Parameters:

• Current rating: Substitute must equal or exceed 150mA
• Voltage rating: Substitute must equal or exceed 30VDC
• Operating temperature: Substitute range must encompass or exceed -40°C to 85°C
• Electrical life: Substitute must equal or exceed 10,000 cycles
• Height above board: Minor dimensional tolerance acceptable within standard PCB assembly specifications

The CTS Electrocomponents 206-10RAST meets the critical matching parameters but operates at reduced electrical specifications (50mA at 24VDC). This part qualifies as a substitute only in applications where the actual circuit load does not exceed 50mA and operating voltage does not exceed 24VDC.

Parameter Comparison

Engineering Selection Recommendations

Primary Part Selection: The Grayhill 78B10SRAT remains the specified component for applications requiring 150mA at 30VDC operation. This part maintains active product status, full ROHS3 compliance, and REACH unaffected designation. Current inventory of 868 pieces supports immediate procurement.

Substitute Part Consideration: The CTS Electrocomponents 206-10RAST qualifies as a functional substitute only when circuit design specifications confirm:

• Maximum circuit current does not exceed 50mA
• Maximum operating voltage does not exceed 24VDC
• PCB assembly can accommodate 0.400" height above board (0.020" greater than primary part)

The substitute part maintains equivalent mechanical form factor, pitch spacing, and actuator interface. Both parts share identical electrical life ratings (10,000 cycles) and compliance certifications. The CTS part provides extended lower-temperature operation (-55°C minimum versus -40°C), which may benefit certain environmental applications.

Compliance Verification: Both parts satisfy ROHS3 compliance requirements and REACH unaffected status. EAR99 export classification applies to both components. No additional regulatory constraints affect substitution eligibility.

Frequently Asked Questions (FAQ)

Q: Can the CTS 206-10RAST directly replace the Grayhill 78B10SRAT in all applications?

A: No. Direct replacement is limited to applications where circuit load does not exceed 50mA and operating voltage does not exceed 24VDC. The Grayhill part is rated for 150mA at 30VDC. Exceeding the CTS part's electrical specifications will result in component failure.

Q: What is the physical difference between these two parts?

A: The primary dimensional difference is height above board: Grayhill 78B10SRAT measures 0.380" (9.64mm) while CTS 206-10RAST measures 0.400" (10.16mm). This 0.020" difference may affect PCB clearance in space-constrained designs. All other mechanical parameters, including pitch and mounting type, are identical.

Q: Are the actuator interfaces identical?

A: Yes. Both parts feature standard slide actuators with raised levels, 0.100" pitch spacing, and through-hole right-angle mounting. Actuator operation and feel are functionally equivalent.

Q: Do both parts have the same contact material?

A: Both parts feature gold-plated contacts. The Grayhill part specifies copper alloy base material; the CTS part does not provide base material specification in available documentation.

Q: What is the mechanical life difference?

A: The Grayhill 78B10SRAT specifies 2,000 mechanical cycles. The CTS 206-10RAST does not provide mechanical life specification. Both parts specify 10,000 electrical cycles.

Q: Are there temperature range considerations for substitution?

A: The CTS 206-10RAST operates from -55°C to 85°C, providing 15°C lower minimum temperature than the Grayhill part (-40°C to 85°C). For applications operating below -40°C, the CTS part offers extended capability. For standard industrial temperature ranges, both parts are equivalent.

Q: Can I use the CTS part in a 30VDC circuit?

A: No. The CTS 206-10RAST is rated for 24VDC maximum. Operating at 30VDC exceeds the part's voltage specification and will cause premature failure or unsafe operation.

Q: What packaging formats are available?

A: Both parts are supplied in tube packaging, suitable for automated assembly processes and manual component handling.

Q: Are both parts currently in stock?

A: Yes. Grayhill 78B10SRAT inventory: 868 pieces. CTS 206-10RAST inventory: 994 pieces. Both are available as new original components.