RN732ATTD1332B25 Equivalent & Substitute Parts

Part Overview

The RN732ATTD1332B25 is a 13.3 kOhms ±0.1% thin film chip resistor manufactured by KOA Speer Electronics, Inc., rated at 0.1W (1/10W) in 0805 (2012 Metric) package format. This component features moisture-resistant construction and operates across the temperature range of -55°C to 155°C. The part is currently classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing design support and procurement continuity.

Substiute Parts

RN732ATTD1332B25

KOA Speer Electronics, Inc.In Stock: 1059RN732ATTD1332B25 Datasheet

Current PartRFQ

RN73R2ATTD1332B25

KOA Speer Electronics, Inc.In Stock: 4128RN73R2ATTD1332B25 Datasheet

DirectRFQ

TNPW080513K3BETA

Vishay DaleIn Stock: 1037TNPW080513K3BETA Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the RN732ATTD1332B25 is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 13.3 kOhms
• Tolerance: ±0.1%
• Package / Case: 0805 (2012 Metric)
• Composition: Thin Film
• Temperature Coefficient: ±25ppm/°C
• Number of Terminations: 2

Allowable Variation Parameters:

• Power Rating: Substitute parts may have equal or higher power ratings (0.125W or greater is acceptable as it provides equal or superior performance margin)
• Operating Temperature Range: Substitute parts must support the minimum required range; extended ranges are acceptable
• Product Status: Active parts are preferred over obsolete classifications
• Certifications and Features: Additional certifications (AEC-Q200, Military) or enhanced features (Automotive qualification) do not disqualify substitution

Two substitute parts meet these criteria and are identified below.

Parameter Comparison

Engineering Selection Recommendations

RN73R2ATTD1332B25 (Primary Substitute)

This part is the direct equivalent from the same manufacturer (KOA Speer Electronics, Inc.) within the RN73 series family. It maintains all critical electrical parameters while offering an increased power rating of 0.125W, providing superior thermal margin. The part holds Active product status and maintains ROHS3 compliance. Automotive AEC-Q200 qualification provides additional reliability assurance for demanding applications. This substitute is recommended as the primary replacement option.

TNPW080513K3BETA (Secondary Substitute)

This Vishay Dale part maintains all critical electrical parameters and offers equivalent 0.125W power rating. Military-grade construction provides enhanced reliability specifications. However, this part is RoHS non-compliant and REACH-affected, which may restrict use in certain regulatory environments. The operating temperature range extends only to 125°C, which is 30°C below the original specification. This substitute is suitable for applications where military-grade performance is required and regulatory compliance is not a constraint.

Frequently Asked Questions (FAQ)

Q: Can RN73R2ATTD1332B25 be used as a direct replacement for RN732ATTD1332B25?

A: Yes. Both parts share identical resistance (13.3 kOhms), tolerance (±0.1%), package (0805), composition (thin film), and temperature coefficient (±25ppm/°C). The substitute has a higher power rating (0.125W vs. 0.1W), which is acceptable and provides additional thermal margin. Both operate across -55°C to 155°C.

Q: What is the difference between the two substitute parts?

A: RN73R2ATTD1332B25 is from KOA Speer Electronics with Automotive AEC-Q200 qualification and ROHS3 compliance. TNPW080513K3BETA is from Vishay Dale with Military qualification but is RoHS non-compliant and has a reduced upper operating temperature limit of 125°C.

Q: Does the higher power rating of the substitute parts affect circuit performance?

A: No. A higher power rating (0.125W vs. 0.1W) indicates the component can dissipate more power without exceeding temperature limits. In applications where the original 0.1W part was suitable, the 0.125W substitute will perform identically or with improved thermal characteristics.

Q: Are there packaging format differences between these parts?

A: Yes. RN732ATTD1332B25 packaging format is not specified. RN73R2ATTD1332B25 is supplied in Cut Tape (CT) format. TNPW080513K3BETA is supplied in Tape & Reel (TR) format. Packaging format does not affect electrical or mechanical compatibility; it relates only to procurement and assembly logistics.

Q: Which substitute should be selected for RoHS-compliant applications?

A: RN73R2ATTD1332B25 is ROHS3 compliant and is the appropriate choice for applications requiring RoHS compliance. TNPW080513K3BETA is RoHS non-compliant and unsuitable for such applications.

Q: Can TNPW080513K3BETA be used in applications requiring operation above 125°C?

A: No. TNPW080513K3BETA has a maximum operating temperature of 125°C. Applications requiring operation up to 155°C must use either the original RN732ATTD1332B25 or the substitute RN73R2ATTD1332B25, both of which support the full -55°C to 155°C range.