CAY17-560JALF Equivalent & Substitute Parts

Part Overview

The CAY17-560JALF is a 56 Ohm bussed 8-resistor network array manufactured by Bourns Inc. in a 1206 (3216 Metric) surface mount package. This component is classified as obsolete, making identification of suitable substitute parts essential for ongoing production and maintenance applications. The part delivers 62.5mW power per element with ±5% tolerance and operates across a temperature range of -55°C to 155°C.

Substiute Parts

CAY17-560JALF

Bourns Inc.In Stock: 220445CAY17-560JALF Datasheet

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RAVF328RJT56R0

Stackpole Electronics IncIn Stock: 791RAVF328RJT56R0 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the CAY17-560JALF is determined by strict alignment of the following critical parameters:

• Resistance value: 56 Ohm (exact match required)
• Tolerance: ±5% (exact match required)
• Number of resistors: 8 (exact match required)
• Circuit type: Bussed (exact match required)
• Power per element: 62.5mW (exact match required)
• Package / Case: 1206 (3216 Metric), Convex, Long Side Terminals (exact match required)
• Number of pins: 10 (exact match required)
• Mounting type: Surface Mount (exact match required)

The RAVF328RJT56R0 manufactured by Stackpole Electronics Inc. meets all critical substitution criteria. This part maintains identical electrical specifications and physical package dimensions, ensuring direct compatibility in PCB layouts and circuit designs.

Parameter Comparison

Engineering Selection Recommendations

The RAVF328RJT56R0 is the qualified substitute for the obsolete CAY17-560JALF. Both parts maintain ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1), ensuring regulatory and environmental compatibility.

The substitute part is currently in active production status, providing supply chain continuity and long-term availability. The RAVF328RJT56R0 operates within a reduced temperature range (-55°C to 125°C versus -55°C to 155°C) and exhibits improved temperature stability (±200ppm/°C versus ±250ppm/°C). These differences are acceptable for applications not requiring operation above 125°C.

Physical dimensions remain compatible with existing PCB layouts, with a maximum seated height difference of 0.002" (0.05mm), which is negligible for standard surface mount assembly processes.

Frequently Asked Questions (FAQ)

Q: Can the RAVF328RJT56R0 be used as a direct replacement for the CAY17-560JALF?

A: Yes. Both parts share identical resistance value, tolerance, element count, circuit topology, power rating, pin configuration, and package dimensions. The substitute is electrically and mechanically compatible for direct PCB substitution.

Q: What are the differences between these two parts?

A: The primary differences are operating temperature range (RAVF328RJT56R0 operates to 125°C maximum versus 155°C for the CAY17-560JALF), temperature coefficient (±200ppm/°C versus ±250ppm/°C), and seated height (0.026" versus 0.024"). The substitute exhibits superior temperature stability.

Q: Is the height difference significant for assembly?

A: No. The 0.002" (0.05mm) height difference is within standard PCB assembly tolerances and does not affect reflow soldering, component placement, or clearance requirements for typical applications.

Q: Why is the CAY17-560JALF obsolete?

A: The CAY17-560JALF is classified as obsolete by the manufacturer. The RAVF328RJT56R0 provides equivalent functionality with active production status and improved long-term supply availability.

Q: Are both parts RoHS compliant?

A: Yes. Both the CAY17-560JALF and RAVF328RJT56R0 are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Q: What is the packaging difference?

A: The CAY17-560JALF is supplied in standard packaging, while the RAVF328RJT56R0 is supplied in Tape & Reel (TR) format. Both are suitable for automated assembly processes.