Equivalent & Substitute Parts for RN732ATTD22R3F25

Part Overview

The RN732ATTD22R3F25 is a 22.3 Ohm ±1% thin film chip resistor manufactured by KOA Speer Electronics, Inc., rated at 0.1W (1/10W) in 0805 (2012 Metric) package format. This component is classified as obsolete product status. Due to its obsolete designation, locating equivalent or substitute parts with active production status and compatible electrical and mechanical specifications is necessary for ongoing design support and procurement continuity.

Substiute Parts

RN732ATTD22R3F25

KOA Speer Electronics, Inc.In Stock: 941RN732ATTD22R3F25 Datasheet

Current PartRFQ

RN73R2ATTD22R3F25

KOA Speer Electronics, Inc.In Stock: 1153RN73R2ATTD22R3F25 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RN732ATTD22R3F25 is determined by the following critical parameters:

Electrical Compatibility Requirements:

• Resistance value: 22.3 Ohms (exact match required)
• Tolerance: ±1% (exact match required)
• Temperature Coefficient: ±25ppm/°C (exact match required)
• Operating Temperature Range: -55°C ~ 155°C (exact match required)

Mechanical Compatibility Requirements:

• Package / Case: 0805 (2012 Metric) (exact match required)
• Composition: Thin Film (exact match required)
• Number of Terminations: 2 (exact match required)

Regulatory & Environmental Requirements:

• RoHS Status: ROHS3 Compliant (exact match required)
• Moisture Sensitivity Level: 1 (Unlimited) (exact match required)

Allowable Variation:

• Power Rating: The substitute part may have equal or higher power rating than the original part, provided all other parameters remain identical.

The RN73R2ATTD22R3F25 meets all substitution criteria with an increased power rating of 0.125W (1/8W) and active product status.

Parameter Comparison

Engineering Selection Recommendations

The RN73R2ATTD22R3F25 is a direct functional substitute for the RN732ATTD22R3F25 based on the following engineering criteria:

Electrical Equivalence: All critical electrical parameters—resistance value, tolerance, temperature coefficient, and operating temperature range—are identical between the main part and substitute part. The substitute part maintains the same thin film composition and precision characteristics.

Mechanical Compatibility: Both parts share identical package dimensions (0805 / 2012 Metric), physical size (0.079" L x 0.049" W), and seated height (0.024" max). PCB footprint compatibility is assured.

Regulatory Compliance: Both parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, ensuring equivalent environmental and regulatory standing.

Product Status Advantage: The substitute part carries active product status, providing assured long-term availability and supply chain continuity compared to the obsolete main part.

Enhanced Specifications: The substitute part features a higher power rating (0.125W versus 0.1W) and includes automotive AEC-Q200 qualification. These enhancements do not compromise compatibility and provide additional design margin and application flexibility.

Frequently Asked Questions (FAQ)

Q: Can RN73R2ATTD22R3F25 be used as a direct replacement for RN732ATTD22R3F25 in existing designs?

A: Yes. The substitute part is electrically and mechanically equivalent. All critical parameters—resistance, tolerance, temperature coefficient, operating temperature range, and package dimensions—are identical. The substitute part is a direct PCB replacement.

Q: What is the significance of the higher power rating (0.125W vs 0.1W) in the substitute part?

A: A higher power rating indicates the substitute part can dissipate more thermal energy without exceeding its maximum operating temperature. This provides additional design margin and does not affect compatibility with circuits designed for the original 0.1W part. The substitute part will operate safely in all applications where the original part was specified.

Q: Does the AEC-Q200 automotive qualification on the substitute part affect its use in non-automotive applications?

A: No. AEC-Q200 qualification represents an additional quality and reliability standard. Parts meeting automotive standards are suitable for all applications, including industrial, commercial, and consumer electronics. The presence of this certification does not restrict use in non-automotive designs.

Q: Are the physical dimensions and PCB footprints identical?

A: Yes. Both parts use the 0805 (2012 Metric) package with identical dimensions: 0.079" L x 0.049" W (2.00mm x 1.25mm) and maximum seated height of 0.024" (0.60mm). No PCB layout modifications are required.

Q: What is the packaging difference between the main part and substitute part?

A: The main part (RN732ATTD22R3F25) packaging information is not specified in the provided data. The substitute part (RN73R2ATTD22R3F25) is supplied in Tape & Reel (TR) format. Confirm packaging requirements for your procurement process.

Q: Are both parts RoHS compliant?

A: Yes. Both the main part and substitute part are ROHS3 compliant and carry identical moisture sensitivity level (MSL 1 - Unlimited), ensuring equivalent environmental and regulatory standing.

Q: Why is the main part classified as obsolete?

A: Product obsolescence is determined by the manufacturer based on production discontinuation. The substitute part (RN73R2ATTD22R3F25) maintains active product status, ensuring continued availability and supply chain support.