AS5304A-ATST Rotary Encoder Magnetic 1280PPR: Equivalent & Substitute Parts

Part Overview

The AS5304A-ATST is a surface mount rotary encoder manufactured by ams-OSRAM USA INC. that provides magnetic incremental quadrature output with 1280 pulses per revolution. This component operates within a 4.5V to 5.5V supply voltage range and utilizes an external magnet actuator configuration without integrated detent or switch functionality.

The AS5304A-ATST carries an Obsolete product status designation. Locating equivalent or substitute components becomes necessary when procurement from original inventory becomes unavailable or when design requirements mandate components with active production support and extended availability assurance.

Substiute Parts

AS5304A-ATST

ams-OSRAM USA INC.In Stock: 1132AS5304A-ATST Datasheet

Current PartRFQ

AS5304A-ATSM

ams-OSRAM USA INC.In Stock: 3028AS5304A-ATSM Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the AS5304A-ATST is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Encoder Type: Magnetic
• Output Type: Quadrature (Incremental)
• Pulses per Revolution: 1280
• Voltage - Supply: 4.5V ~ 5.5V
• Actuator Type: External Magnet, Not Included
• Mounting Type: Surface Mount
• Termination Style: SMD (SMT) Tab
• Detent: No
• Built in Switch: No
• Base Product Number: AS5304

Allowable Variation Parameters:

• Packaging configuration (different tape & reel specifications or bulk packaging)
• Product Status (Obsolete, Not For New Designs, or Active)
• Inventory availability

The AS5304A-ATSM qualifies as a direct substitute based on identical electrical specifications, mechanical configuration, and functional output characteristics. The primary distinction between these components resides in packaging format and product lifecycle status.

Parameter Comparison

Engineering Selection Recommendations

AS5304A-ATSM as Primary Substitute:

The AS5304A-ATSM provides complete functional and electrical equivalence to the AS5304A-ATST. Both components share identical magnetic encoder architecture, 1280 PPR quadrature output specification, and 4.5V to 5.5V supply voltage range. The AS5304A-ATSM is supplied in Tape & Reel (TR) packaging format, which accommodates automated assembly processes and high-volume production environments.

The AS5304A-ATSM carries a "Not For New Designs" product status, indicating continued manufacturing availability with defined lifecycle parameters. This status provides superior procurement reliability compared to the Obsolete designation of the AS5304A-ATST.

Both components maintain RoHS Compliance and REACH Unaffected certifications, ensuring regulatory alignment for industrial and commercial applications. Moisture Sensitivity Level 3 (168 Hours) specifications are identical, requiring equivalent handling and storage protocols during manufacturing and assembly operations.

Compliance and Certification Alignment:

Selection between AS5304A-ATST and AS5304A-ATSM should prioritize component availability and supply chain continuity. The AS5304A-ATSM offers superior long-term procurement assurance due to its "Not For New Designs" status, which typically indicates extended production windows compared to Obsolete components.

Frequently Asked Questions (FAQ)

Q: Can AS5304A-ATSM directly replace AS5304A-ATST in existing designs?

A: Yes. The AS5304A-ATSM provides complete electrical and mechanical equivalence. Both components feature identical magnetic encoder type, 1280 PPR quadrature output, 4.5V to 5.5V supply voltage, external magnet actuator configuration, surface mount assembly, and SMD tab termination. The primary difference is packaging format (Tape & Reel versus standard packaging) and product lifecycle status.

Q: What is the significance of the different product status designations?

A: AS5304A-ATST carries Obsolete status, indicating discontinued production and limited remaining inventory. AS5304A-ATSM carries "Not For New Designs" status, indicating active manufacturing with defined lifecycle parameters. For new production programs, AS5304A-ATSM provides superior supply chain continuity.

Q: Are there packaging compatibility considerations between these parts?

A: The AS5304A-ATST uses standard packaging, while AS5304A-ATSM is supplied in Tape & Reel (TR) format. Tape & Reel packaging is optimized for automated pick-and-place assembly equipment. Manual assembly processes may require reel-to-tube conversion or alternative handling procedures. Verify assembly equipment compatibility before component selection.

Q: Do both parts require identical handling and storage protocols?

A: Yes. Both components share identical Moisture Sensitivity Level 3 (168 Hours) specifications. Storage conditions, humidity control, and bake-out procedures must comply with MSL 3 requirements for both the AS5304A-ATST and AS5304A-ATSM.

Q: Are regulatory certifications identical between these components?

A: Yes. Both AS5304A-ATST and AS5304A-ATSM maintain RoHS Compliance and REACH Unaffected certifications. No regulatory differentiation exists between these components.

Q: What external magnet specifications apply to both components?

A: Both components utilize external magnet actuator configuration with magnets not included in the component package. Magnet specifications, mounting geometry, and air gap tolerances must be verified against application requirements and original design documentation.