76RSB09T DIP Switch Rocker SPST Equivalent & Substitute Parts

Part Overview

The 76RSB09T is a 9-position DIP switch manufactured by Grayhill Inc., featuring a rocker actuator with SPST (Single Pole Single Throw) circuit configuration. This component is rated for 150mA at 30VDC and is designed for through-hole mounting applications. The 76RSB09T is classified as obsolete product status. Identifying equivalent substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support ongoing production requirements for legacy systems utilizing this component.

Substiute Parts

76RSB09T

Grayhill Inc.In Stock: 91276RSB09T Datasheet

Current PartRFQ

76RSB10T

Grayhill Inc.In Stock: 102976RSB10T Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 76RSB09T is determined by strict alignment with the following critical parameters:

Mandatory Matching Parameters:

• Manufacturer: Grayhill Inc.
• Series: 76
• Circuit Type: SPST
• Current Rating: 150mA
• Voltage Rating: 30VDC
• Actuator Type: Rocker
• Mounting Type: Through Hole
• Termination Style: PC Pin
• Pitch: 0.100" (2.54mm)
• Operating Temperature Range: -40°C to 85°C
• Contact Material: Copper Alloy
• Contact Finish: Gold

Allowable Variation Parameters:

• Number of Positions: May vary (9 vs. 10 positions)
• Length: Varies proportionally with position count
• Height Above Board: Consistent at 0.292" (7.41mm)
• Product Status: May differ (obsolete vs. active)
• Packaging: May differ (bulk vs. tube)
• RoHS Compliance Level: May differ (RoHS vs. ROHS3)

The 76RSB10T qualifies as a substitute part for the 76RSB09T based on matching all mandatory parameters while varying only in position count and associated physical dimensions.

Parameter Comparison

Engineering Selection Recommendations

76RSB10T as Primary Substitute:

The 76RSB10T is the qualified substitute for the 76RSB09T based on electrical and mechanical parameter alignment. Selection of the 76RSB10T is supported by the following factors:

1. Electrical Equivalence: Both parts maintain identical current (150mA) and voltage (30VDC) ratings, ensuring circuit-level compatibility in switching applications.

2. Mechanical Compatibility: Identical pitch (0.100"), mounting type (through-hole), and height above board (0.292") ensure PCB layout compatibility. The increased length (1.080" vs. 0.980") results solely from the additional position count and does not affect mounting footprint or electrical performance.

3. Product Status Advantage: The 76RSB10T carries active product status, ensuring ongoing availability and supply chain support compared to the obsolete 76RSB09T.

4. Compliance Enhancement: The 76RSB10T meets ROHS3 compliance, representing an updated regulatory standard compared to the RoHS compliance of the 76RSB09T. Both parts maintain REACH Unaffected status.

5. Operational Characteristics: Identical operating temperature range (-40°C to 85°C), mechanical life (2,000 cycles), and electrical life (2,000 cycles) confirm functional equivalence.

Design Consideration:

The primary difference between the 76RSB09T and 76RSB10T is the position count (9 vs. 10). Design applications utilizing fewer than 10 positions can accommodate the 76RSB10T without functional impact, as unused positions remain inactive. Applications requiring exactly 9 positions must evaluate whether the additional position introduces design constraints or operational considerations specific to the application context.

Frequently Asked Questions (FAQ)

Q: Can the 76RSB10T directly replace the 76RSB09T in existing designs?

A: The 76RSB10T is electrically and mechanically equivalent to the 76RSB09T for all switching parameters. The primary difference is the position count (10 vs. 9). Direct replacement is feasible if the PCB layout accommodates the slightly longer component (1.080" vs. 0.980") and if the application does not require exactly 9 positions. Verification of PCB clearance and position utilization is necessary before implementation.

Q: What is the significance of the position count difference?

A: Position count determines the number of independent switch settings available. The 76RSB09T provides 9 discrete positions, while the 76RSB10T provides 10. In applications using fewer than 10 positions, the additional position on the 76RSB10T remains unused and does not affect circuit operation. Applications requiring all 9 positions of the 76RSB09T can utilize the 76RSB10T without functional limitation.

Q: Are there packaging differences between these parts?

A: Yes. The 76RSB09T is supplied in bulk packaging, while the 76RSB10T is supplied in tube packaging. Packaging differences do not affect component performance or electrical characteristics. Procurement and handling procedures may differ based on packaging format.

Q: How do the RoHS compliance levels differ?

A: The 76RSB09T meets RoHS compliance, while the 76RSB10T meets ROHS3 compliance. ROHS3 represents an updated regulatory standard with enhanced environmental and material restrictions. Both parts are compliant with their respective standards. The 76RSB10T's ROHS3 compliance may provide regulatory advantage in applications subject to updated environmental requirements.

Q: Are the electrical and mechanical life ratings identical?

A: Yes. Both the 76RSB09T and 76RSB10T are rated for 2,000 mechanical cycles and 2,000 electrical cycles, indicating equivalent operational durability and reliability characteristics.

Q: What is the impact of the length difference on PCB design?

A: The 76RSB10T is 0.100" (2.54mm) longer than the 76RSB09T due to the additional position. This difference affects only the overall component length; pitch, mounting footprint, and height above board remain identical. PCB layout must accommodate the increased length in the component orientation direction.

Q: Do both parts use identical contact materials and finishes?

A: Yes. Both parts feature copper alloy contact material with gold finish, ensuring equivalent electrical conductivity, corrosion resistance, and contact reliability.

Q: Is the operating temperature range the same for both parts?

A: Yes. Both the 76RSB09T and 76RSB10T operate across the identical temperature range of -40°C to 85°C, confirming equivalent thermal performance characteristics.