AS33-M50M-S53 Equivalent & Substitute Parts

Part Overview

The AS33-M50M-S53 is a 33mm magnetic encoder module manufactured by Broadcom, designed for chassis mount and motor applications with SSI (Synchronous Serial Interface) output. This component features a 50-bit magnetic encoding configuration with 5V supply operation and vertical orientation. The part is currently classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing system support and new designs.

Substiute Parts

AS33-M50M-S53

BroadcomIn Stock: 963AS33-M50M-S53 Datasheet

Current PartRFQ

AS33-M42M-S53

Broadcom LimitedIn Stock: 796AS33-M42M-S53 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The AS33-M50M-S53 can be substituted with the AS33-M42M-S53 based on the following critical parameters that determine functional equivalence:

Matching Parameters:

• Encoder Type: Magnetic (both parts use magnetic sensing technology)
• Output Type: SSI (both provide Synchronous Serial Interface output)
• Voltage Supply Range: 4.5V ~ 5.5V (identical supply requirements)
• Mounting Type: Chassis Mount, Motors (same mechanical mounting configuration)
• Orientation: Vertical (identical orientation)
• Termination Style: Connector (same connection method)
• Actuator Type: External Magnet, Not Included (same magnet configuration)
• Detent: No (neither part includes detent mechanism)
• Built in Switch: No (neither part includes integrated switch)
• RoHS Status: ROHS3 Compliant (both meet environmental compliance)

Distinguishing Parameter:

• Bit Configuration: AS33-M50M uses 50-bit encoding; AS33-M42M uses 42-bit encoding with programmable pulses per revolution

The AS33-M42M-S53 maintains all critical electrical and mechanical compatibility parameters while offering programmable resolution capability, making it suitable for applications where the original 50-bit configuration is not mandatory.

Parameter Comparison

Engineering Selection Recommendations

The AS33-M42M-S53 is the designated substitute for the obsolete AS33-M50M-S53. Selection of this alternative is supported by:

• Product Status: The AS33-M42M-S53 maintains active product status with current manufacturing support, ensuring long-term availability and supply chain continuity.
• Compliance Alignment: Both parts maintain ROHS3 compliance, meeting environmental and regulatory requirements.
• Electrical Compatibility: Identical supply voltage range (4.5V ~ 5.5V) and SSI output interface ensure direct integration into existing 5V systems.
• Mechanical Compatibility: Matching mounting type (Chassis Mount, Motors), orientation (Vertical), and termination style (Connector) provide mechanical interchangeability.
• Enhanced Capability: The AS33-M42M-S53 offers programmable pulses per revolution, providing design flexibility not available in the fixed 50-bit configuration of the original part.

Frequently Asked Questions (FAQ)

Q: Can the AS33-M42M-S53 directly replace the AS33-M50M-S53 in existing designs?

A: Yes. Both parts share identical electrical supply requirements (4.5V ~ 5.5V), SSI output interface, mounting configuration (Chassis Mount, Motors), and connector termination. The primary difference is the bit resolution: the substitute offers programmable pulses per revolution versus the fixed 50-bit configuration of the original part.

Q: What is the significance of the programmable pulses per revolution in the AS33-M42M-S53?

A: The programmable feature allows resolution adjustment to match system requirements without hardware changes. This provides design flexibility for applications where the original 50-bit fixed resolution may not be optimal.

Q: Are there packaging differences between these parts?

A: The AS33-M50M-S53 packaging is not specified in available documentation. The AS33-M42M-S53 is supplied in Tray packaging. Confirm packaging requirements with your procurement specification.

Q: Do both parts require external magnets?

A: Yes. Both the AS33-M50M-S53 and AS33-M42M-S53 use external magnet actuators that are not included with the component. Ensure your system includes compatible external magnets for proper operation.

Q: What is the impact of the product status change from Obsolete to Active?

A: The AS33-M42M-S53 active status ensures ongoing manufacturing, technical support, and supply availability. The obsolete status of the original part makes the active substitute the recommended choice for new designs and ongoing production support.