AMT303-V Rotary Encoder: Equivalent & Substitute Parts

Part Overview

The AMT303-V is an incremental rotary encoder manufactured by CUI Devices, configured for 512 pulses per revolution with commutation output in counter-clockwise (CCW) orientation. This encoder features a right-angle mounting configuration with a 2mm to 8mm open center actuator and operates at 5V supply voltage. The product is classified as obsolete, necessitating identification of active alternative models that maintain functional and mechanical compatibility for ongoing applications and new designs.

Substiute Parts

AMT303-V

CUI DevicesIn Stock: 1028AMT303-V Datasheet

Current PartRFQ

AMT313Q-V

CUI DevicesIn Stock: 1390AMT313Q-V Datasheet

SimilarRFQ

AMT313S-V

CUI DevicesIn Stock: 1125AMT313S-V Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the AMT303-V is determined by the following critical parameters that must align across all candidate parts:

• Encoder Type: Incremental
• Voltage Supply: 5V
• Actuator Type: 2mm ~ 8mm Open Center
• Mounting Type: Chassis Mount, Motors
• Orientation: Right Angle
• Output Type: Commutation
• Detent: No
• Built-in Switch: No
• Moisture Sensitivity Level: 1 (Unlimited)
• REACH Status: REACH Unaffected
• ECCN: EAR99

The substitute parts AMT313Q-V and AMT313S-V satisfy these core compatibility criteria. Both are active products from CUI Devices in the AMT31 series, maintaining identical mechanical mounting, electrical supply requirements, and environmental compliance specifications. The primary distinction between substitutes relates to termination style and pulses per revolution configuration.

Parameter Comparison

Engineering Selection Recommendations

Both AMT313Q-V and AMT313S-V are qualified substitutes for the obsolete AMT303-V based on maintained mechanical compatibility, identical electrical supply specifications, and equivalent environmental compliance certifications. Both substitute parts hold active product status, ensuring ongoing availability and manufacturer support.

Selection between the two substitutes depends on termination requirements: AMT313Q-V retains terminal pin termination matching the original AMT303-V configuration, while AMT313S-V provides connector-based termination. The programmable pulses per revolution feature in both substitutes offers design flexibility beyond the fixed 512 PPR specification of the original part, allowing configuration to match system requirements without component change.

Frequently Asked Questions (FAQ)

Q: Can AMT313Q-V and AMT313S-V directly replace AMT303-V in existing designs?

A: Both parts maintain identical mechanical mounting, electrical supply voltage, actuator specifications, and output type. AMT313Q-V provides direct pin-for-pin compatibility with terminal pin termination. AMT313S-V requires connector accommodation but is mechanically and electrically compatible. Pulses per revolution must be configured to 512 in the programmable substitutes to match original system operation.

Q: What is the primary difference between AMT313Q-V and AMT313S-V?

A: The termination style differs: AMT313Q-V uses terminal pins identical to the original AMT303-V, while AMT313S-V uses a connector interface. Both maintain all other mechanical and electrical specifications.

Q: Are the substitute parts RoHS compliant?

A: Both AMT313Q-V and AMT313S-V are ROHS3 compliant, exceeding the RoHS compliance level of the original AMT303-V. Both maintain REACH Unaffected status and identical moisture sensitivity specifications.

Q: Why are the substitute parts listed as programmable PPR when the original is fixed at 512?

A: The AMT313 series encoders feature programmable pulse per revolution configuration, allowing the same hardware to be set to 512 PPR or other values as required by system design. This provides design flexibility while maintaining full compatibility with applications requiring 512 PPR operation.

Q: What inventory status applies to these substitute parts?

A: AMT313Q-V has 1349 pieces in stock; AMT313S-V has 1045 pieces in stock. Both are active products with ongoing manufacturer support, contrasting with the obsolete status of the original AMT303-V.