AMT303-V Rotary Encoder: Equivalent & Substitute Parts

Part Overview

The AMT303-V is an incremental rotary encoder manufactured by CUI Devices, featuring 192 pulses per revolution with 12-pole commutation output in a right-angle chassis mount configuration. This component is classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing system support and new designs. The encoder operates at 5V supply voltage with an open center actuator design (2mm–8mm range) and terminal pin termination.

Due to its obsolete status, substitute parts must maintain electrical and mechanical compatibility across key parameters including encoder type, output characteristics, supply voltage, actuator specifications, mounting orientation, and termination style.

Substiute Parts

AMT303-V

CUI DevicesIn Stock: 954AMT303-V Datasheet

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AMT313Q-V

CUI DevicesIn Stock: 1390AMT313Q-V Datasheet

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AMT313S-V

CUI DevicesIn Stock: 1125AMT313S-V Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the AMT303-V must satisfy the following mandatory compatibility criteria:

Electrical Parameters:

• Encoder type: Incremental
• Supply voltage: 5V
• Output type: Commutation with 12-pole configuration

Mechanical Parameters:

• Actuator type: 2mm–8mm open center
• Mounting type: Chassis mount, motors
• Orientation: Right angle
• Detent: No
• Built-in switch: No

Environmental & Compliance:

• RoHS compliance (RoHS Compliant or ROHS3 Compliant acceptable)
• REACH unaffected status
• Moisture sensitivity level: 1 (Unlimited)

The identified substitutes (AMT313Q-V and AMT313S-V) maintain all mandatory electrical and mechanical parameters. The primary distinction is pulses per revolution: while AMT303-V specifies 192 PPR, the substitute parts feature programmable PPR capability, allowing configuration to 192 PPR or other values as required by system design.

Parameter Comparison

Engineering Selection Recommendations

AMT313Q-V is the primary substitute for AMT303-V applications requiring terminal pin termination. This part maintains identical termination style, supply voltage, mechanical mounting, and actuator specifications. The programmable PPR feature allows configuration to match the original 192 PPR specification. The part is in active production status with ROHS3 compliance, ensuring long-term availability and regulatory alignment.

AMT313S-V provides an alternative substitute with identical electrical and mechanical compatibility but features connector-based termination instead of terminal pins. Selection of this variant is appropriate only when system design accommodates connector termination or when connector-based integration offers assembly advantages. This part is also in active production with ROHS3 compliance.

Both substitutes exceed the compliance requirements of the obsolete AMT303-V, offering improved regulatory standing through ROHS3 certification while maintaining full backward compatibility across all critical functional parameters.

Frequently Asked Questions (FAQ)

Q: Can AMT313Q-V and AMT313S-V be used interchangeably with AMT303-V?

A: Both parts are electrically and mechanically compatible with AMT303-V across all critical parameters: encoder type, output commutation, 5V supply, actuator range, mounting configuration, and orientation. The primary difference is termination style: AMT313Q-V uses terminal pins (matching AMT303-V), while AMT313S-V uses a connector. Selection depends on system integration requirements.

Q: What is the significance of programmable PPR in the substitute parts?

A: The AMT303-V specifies fixed 192 PPR output. The substitute parts (AMT313Q-V and AMT313S-V) feature programmable PPR capability, allowing configuration to 192 PPR or alternative values. For direct replacement, configure the substitute to 192 PPR to maintain identical system behavior.

Q: Are there any compliance differences between AMT303-V and the substitutes?

A: The AMT303-V carries RoHS Compliant status, while both substitutes (AMT313Q-V and AMT313S-V) carry ROHS3 Compliant status. ROHS3 represents an updated compliance framework and is fully acceptable for new designs and replacements. Both substitutes maintain REACH Unaffected status matching the original part.

Q: Which substitute should be selected for new designs?

A: For new designs, either AMT313Q-V or AMT313S-V is appropriate based on termination requirements. If terminal pin integration is required, select AMT313Q-V. If connector-based integration is preferred, select AMT313S-V. Both parts are in active production, ensuring long-term supply availability.

Q: Does the open center actuator range (2mm–8mm) remain consistent across all parts?

A: Yes. The AMT303-V and both substitute parts (AMT313Q-V and AMT313S-V) specify identical 2mm–8mm open center actuator range, ensuring mechanical compatibility with existing mechanical interfaces.