Grayhill 76MPSB03S DIP Switch - Equivalent & Substitute Parts

Part Overview

The Grayhill 76MPSB03S is a 3-position DIP switch with SPST (Single Pole Single Throw) circuit configuration, rated for 150mA at 30VDC. This component features a piano-style actuator with raised level, gold-plated copper alloy contacts, and through-hole right-angle mounting. The 76MPSB03S is classified as obsolete, making identification of active equivalent parts essential for ongoing production and maintenance applications. Substitute parts must maintain identical electrical ratings, mechanical dimensions, and contact specifications to ensure direct board-level compatibility without design modification.

Substiute Parts

76MPSB03S

Grayhill Inc.In Stock: 107676MPSB03S Datasheet

Current PartRFQ

76PSB03ST

Grayhill Inc.In Stock: 481076PSB03ST Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 76MPSB03S is determined by strict equivalence across all critical electrical and mechanical parameters. The following parameters must match identically for a part to function as a direct substitute:

Electrical Parameters: Circuit type (SPST), number of positions (3), current rating (150mA), and voltage rating (30VDC) must be identical. Contact material composition and finish specification ensure equivalent electrical performance and reliability.

Mechanical Parameters: Actuator type (piano), actuator level (raised), mounting configuration (through-hole, right-angle), pitch spacing (0.100"), height above board (0.301"), and overall length (0.380") must be identical to ensure PCB footprint compatibility and mechanical fit.

Environmental & Compliance Parameters: Operating temperature range (-40°C to 85°C), mechanical and electrical life ratings (2,000 cycles each), RoHS3 compliance, and MSL rating (1) must be maintained.

The 76MPSB03S is obsolete; therefore, substitute parts must be from the same manufacturer series with active product status to ensure continued availability and consistent manufacturing standards.

Parameter Comparison

Engineering Selection Recommendations

The 76PSB03ST is a direct functional and mechanical equivalent to the obsolete 76MPSB03S. All critical electrical parameters, mechanical dimensions, contact specifications, and environmental ratings are identical. Both parts are manufactured by Grayhill Inc. within the same 76 series and maintain ROHS3 compliance and MSL rating 1 specifications.

The primary distinction between these parts is product status and packaging format. The 76MPSB03S is obsolete with limited remaining inventory (1,062 pieces), while the 76PSB03ST maintains active product status with substantially higher inventory availability (4,739 pieces). The 76PSB03ST is packaged in tube format, whereas the 76MPSB03S uses tape seal packaging. This packaging difference does not affect electrical or mechanical performance and is a standard variation within the Grayhill 76 series.

For new designs, production restocking, and maintenance applications requiring the 76MPSB03S, the 76PSB03ST provides equivalent performance with assured long-term availability and consistent manufacturing quality.

Frequently Asked Questions (FAQ)

Q: Can the 76PSB03ST be used as a direct replacement for the 76MPSB03S on existing PCBs?

A: Yes. The 76PSB03ST is a direct mechanical and electrical equivalent. All dimensions, electrical ratings, contact specifications, and environmental parameters are identical. The component will function identically in the same PCB footprint without modification.

Q: What is the difference between the tape seal and tube packaging?

A: Tape seal and tube packaging are different handling and storage formats for the same component. Tape seal packaging uses adhesive tape for component retention, while tube packaging uses a plastic tube. Both formats protect the component during storage and transport. The packaging format does not affect component performance or electrical characteristics.

Q: Why is the 76MPSB03S classified as obsolete?

A: Obsolete status indicates that the manufacturer has discontinued active production of this part number. The 76PSB03ST represents the current active equivalent within the Grayhill 76 series, ensuring continued availability and manufacturing consistency.

Q: Are there any compliance or certification differences between these parts?

A: No. Both the 76MPSB03S and 76PSB03ST maintain identical RoHS3 compliance, REACH unaffected status, and MSL rating 1 (unlimited moisture sensitivity level). Both parts carry the same ECCN (EAR99) and HTSUS classification.

Q: What is the mechanical life rating, and how does it affect component selection?

A: Both parts are rated for 2,000 mechanical cycles, indicating the number of actuator position changes the switch can withstand under normal operating conditions. This rating is identical for both the main part and substitute, ensuring equivalent durability and reliability in switching applications.

Q: Can these parts be used in applications requiring higher current or voltage ratings?

A: No. Both parts are rated for 150mA at 30VDC maximum. Applications requiring higher current or voltage ratings require different component selection outside this product family.