76PSB09ST Equivalent & Substitute Parts Reference

Part Overview

The 76PSB09ST is a 9-position DIP switch manufactured by Grayhill Inc., featuring SPST (Single Pole Single Throw) circuit configuration with piano actuator design. This component is rated for 150mA at 30VDC and is designed for through-hole, right-angle mounting applications. The product is currently obsolete, making identification of compatible substitute parts essential for ongoing system support, maintenance, and legacy equipment repairs.

Substiute Parts

76PSB09ST

Grayhill Inc.In Stock: 90476PSB09ST Datasheet

Current PartRFQ

76PSB10ST

Grayhill Inc.In Stock: 616276PSB10ST Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The 76PSB10ST qualifies as a functional substitute for the 76PSB09ST based on the following substitution criteria:

Matching Parameters (Substitution Basis):

• Identical manufacturer (Grayhill Inc.)
• Same series designation (76)
• Identical circuit configuration (SPST)
• Identical current rating (150mA)
• Identical voltage rating (30VDC)
• Identical actuator type and level (Piano, Raised)
• Identical mounting configuration (Through Hole, Right Angle)
• Identical pitch spacing (0.100" / 2.54mm)
• Identical operating temperature range (-40°C to 85°C)
• Identical contact material and finish (Copper Alloy, Gold)
• Identical mechanical and electrical life ratings (2,000 Cycles)
• Identical washable and tape seal features

Differentiating Parameter:

• Number of positions: 76PSB09ST has 9 positions; 76PSB10ST has 10 positions

The 76PSB10ST is an active product with superior availability (6,089 units in stock versus 813 units for the obsolete 76PSB09ST). The additional position does not affect electrical or mechanical compatibility in applications requiring 9 or fewer switch positions, as the extra position remains unused.

Parameter Comparison

Engineering Selection Recommendations

Primary Recommendation: 76PSB10ST

The 76PSB10ST is the appropriate substitute for the obsolete 76PSB09ST in all applications where 9 or fewer switch positions are required. Selection rationale:

1. Product Status: The 76PSB09ST is obsolete with limited remaining inventory (813 units). The 76PSB10ST is an active product with substantial availability (6,089 units), ensuring long-term supply chain continuity.

2. Electrical Equivalence: All critical electrical parameters are identical, including current rating (150mA), voltage rating (30VDC), and circuit configuration (SPST). The components are electrically interchangeable.

3. Mechanical Compatibility: Identical mounting configuration, pitch spacing, actuator design, and height above board ensure direct PCB-level compatibility without layout modifications.

4. Compliance Status: Both components meet RoHS requirements. The 76PSB10ST carries ROHS3 compliance, representing current regulatory alignment. Both maintain REACH unaffected status and EAR99 export classification.

5. Functional Consideration: Applications utilizing only 9 positions can accommodate the 10-position variant without functional impact. The additional position remains unused and does not affect circuit operation.

Implementation Note: Verify PCB layout accommodates the 76PSB10ST length of 1.080" (27.43mm) compared to the 76PSB09ST length of 0.980" (24.89mm). This 0.100" (2.54mm) length difference corresponds to one additional switch position pitch and requires confirmation of available board space.

Frequently Asked Questions (FAQ)

Q: Can the 76PSB10ST directly replace the 76PSB09ST without circuit modifications?

A: Yes. The 76PSB10ST is electrically and mechanically equivalent to the 76PSB09ST for all applications requiring 9 or fewer switch positions. No circuit modifications are required. The additional 10th position remains unused and does not affect system operation.

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

A: The primary physical difference is length. The 76PSB09ST measures 0.980" (24.89mm) in length, while the 76PSB10ST measures 1.080" (27.43mm) in length. This 0.100" (2.54mm) difference corresponds to one additional switch position. Height above board (0.301" / 7.65mm) and all other mechanical dimensions remain identical.

Q: Are there any PCB layout considerations for substitution?

A: Yes. Verify that the PCB layout provides sufficient clearance for the 76PSB10ST's additional length of 0.100" (2.54mm) beyond the 76PSB09ST. If the original design has tight spacing constraints, physical verification is necessary before implementation.

Q: What is the availability difference between these parts?

A: The 76PSB09ST is obsolete with 813 units currently in stock. The 76PSB10ST is an active product with 6,089 units in stock, providing significantly better long-term availability and supply chain reliability.

Q: Are the electrical ratings identical?

A: Yes. Both components are rated for 150mA at 30VDC with identical SPST circuit configuration, operating temperature range (-40°C to 85°C), and mechanical/electrical life (2,000 cycles).

Q: Do both parts meet current compliance requirements?

A: Yes. Both components are RoHS compliant, REACH unaffected, and classified as EAR99 for export purposes. The 76PSB10ST carries ROHS3 compliance, representing alignment with current regulatory standards.

Q: What packaging is available for the 76PSB10ST?

A: The 76PSB10ST is supplied in tube packaging. Verify packaging requirements for your procurement and assembly processes.