Grayhill Inc. 513374-12-F Rotary Encoder Mechanical 12PPR Equivalent & Substitute Parts

Part Overview

The Grayhill Inc. 513374-12-F is an active mechanical rotary encoder with 12 pulses per revolution (PPR) and BCD absolute output. This vertical-mount encoder features a 1/8" diameter flatted end actuator, detent mechanism, and PC pin termination suitable for panel and PCB through-hole mounting applications. The encoder delivers 25,000 minimum rotational life cycles and maintains ROHS3 compliance with unlimited moisture sensitivity rating (MSL 1). Finding equivalent and substitute parts becomes necessary when addressing supply chain requirements, inventory optimization, or application-specific pulse resolution needs within the Grayhill Series 51 encoder family.

Substiute Parts

513374-12-F

Grayhill Inc.In Stock: 900513374-12-F Datasheet

Current PartRFQ

513360-10

Grayhill Inc.In Stock: 935513360-10 Datasheet

SimilarRFQ

513374-11

Grayhill Inc.In Stock: 1097513374-11 Datasheet

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513374-12-C

Grayhill Inc.In Stock: 912513374-12-C Datasheet

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513374-8

Grayhill Inc.In Stock: 944513374-8 Datasheet

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513384

Grayhill Inc.In Stock: 996513384 Datasheet

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513385

Grayhill Inc.In Stock: 859513385 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution within the Grayhill Series 51 mechanical encoder family is determined by strict alignment of the following parameters: encoder type (mechanical), output type (BCD absolute), actuator type (1/8" diameter flatted end), detent presence, mounting configuration (panel and PCB through-hole), orientation (vertical), termination style (PC pin), rotational life minimum (25K cycles), and regulatory compliance (ROHS3, REACH unaffected, MSL 1).

The substitute parts are grouped into two categories:

Category 1: Direct Equivalents (12 PPR) Parts 513374-12-C, 513384, and 513385 maintain identical pulse resolution (12 PPR) and all mechanical, electrical, and compliance parameters as the main part 513374-12-F. These parts differ only in internal design variants or manufacturing batches within the same base product specification.

Category 2: Alternative Pulse Resolution (8 PPR, 10 PPR, 11 PPR) Parts 513374-8, 513360-10, and 513374-11 provide alternative pulse resolutions while maintaining all other parameters. Selection from this category depends on application requirements for rotational resolution and encoding precision.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Same Pulse Resolution)

Parts 513374-12-C, 513384, and 513385 serve as direct substitutes for 513374-12-F when maintaining 12 PPR output is required. All three alternatives maintain identical mechanical, electrical, and compliance specifications. Selection among these direct equivalents is based on inventory availability and supply chain considerations. All parts carry active product status and ROHS3 compliance with unlimited moisture sensitivity rating.

For Alternative Pulse Resolution Applications

When application requirements permit alternative pulse resolutions, the following substitutions apply:

Part 513374-8 provides 8 PPR output for applications requiring lower rotational resolution.

Part 513360-10 provides 10 PPR output for applications requiring intermediate rotational resolution.

Part 513374-11 provides 11 PPR output for applications requiring near-equivalent rotational resolution.

All alternative pulse resolution parts maintain identical mechanical mounting, detent operation, termination style, rotational life specification, and regulatory compliance status as the main part.

Frequently Asked Questions (FAQ)

Q: Can 513374-12-C, 513384, or 513385 be used interchangeably with 513374-12-F?

A: Yes. These parts maintain identical specifications across all mechanical, electrical, and compliance parameters. They differ only in internal design variants or manufacturing batches. Direct substitution is valid for applications requiring 12 PPR BCD absolute output with vertical orientation and PC pin termination.

Q: What is the difference between the 12 PPR variants (513374-12-F, 513374-12-C, 513384, 513385)?

A: All four parts deliver 12 pulses per revolution with BCD absolute output. The designations reflect internal design variants or manufacturing batches within the Grayhill Series 51 family. All maintain identical external specifications, mounting characteristics, and compliance certifications.

Q: Can I substitute a lower PPR encoder (8, 10, or 11 PPR) for the 12 PPR 513374-12-F?

A: Substitution with alternative pulse resolutions is valid only when application firmware or hardware can accommodate the different rotational resolution. Parts 513374-8, 513360-10, and 513374-11 maintain all mechanical and compliance parameters but deliver different pulse counts per revolution. Verify application compatibility before selection.

Q: Are all substitute parts ROHS3 compliant and REACH unaffected?

A: Yes. All substitute parts listed (513374-12-C, 513384, 513385, 513374-8, 513360-10, 513374-11) maintain ROHS3 compliance and REACH unaffected status. All carry MSL 1 (unlimited moisture sensitivity rating).

Q: What is the minimum rotational life specification for all these encoders?

A: All parts in this family, including the main part 513374-12-F and all substitutes, specify 25,000 minimum rotational life cycles.

Q: Do all substitute parts use the same 1/8" diameter flatted end actuator?

A: Yes. All substitute parts maintain the 1/8" diameter flatted end actuator type, ensuring mechanical compatibility with existing mounting fixtures and mechanical interfaces.

Q: Are all parts suitable for both panel and PCB through-hole mounting?

A: Yes. All parts support both panel and PCB through-hole mounting configurations with vertical orientation and PC pin termination.