RN732ATTD2103C25 Equivalent & Substitute Parts

Part Overview

The RN732ATTD2103C25 is a 210 kOhms ±0.25% 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 -55°C to 155°C. The part is classified as obsolete, necessitating identification of equivalent and substitute components for ongoing design support and procurement continuity.

Substiute Parts

RN732ATTD2103C25

KOA Speer Electronics, Inc.In Stock: 1070RN732ATTD2103C25 Datasheet

Current PartRFQ

RN73R2ATTD2103C25

KOA Speer Electronics, Inc.In Stock: 1227RN73R2ATTD2103C25 Datasheet

DirectRFQ

TNPW0805210KBETA

Vishay DaleIn Stock: 1044TNPW0805210KBETA Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RN732ATTD2103C25 is determined by the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 210 kOhms
• Package / Case: 0805 (2012 Metric)
• Composition: Thin Film
• Temperature Coefficient: ±25ppm/°C
• Moisture Sensitivity Level: 1 (Unlimited)

Allowable Variation Parameters:

• Tolerance: Equal to or tighter than ±0.25%
• Power Rating: Equal to or greater than 0.1W
• Operating Temperature Range: Must encompass or match the -55°C to 155°C range
• RoHS / Regulatory Compliance: Substitutes may differ in compliance status depending on application requirements

Two substitute parts meet these criteria and are listed below.

Parameter Comparison

Engineering Selection Recommendations

RN73R2ATTD2103C25 (Direct Substitute - Recommended for Most Applications)

The RN73R2ATTD2103C25 is the primary equivalent for the obsolete RN732ATTD2103C25. Both components are manufactured by KOA Speer Electronics, Inc., and share identical electrical specifications: 210 kOhms resistance, ±0.25% tolerance, ±25ppm/°C temperature coefficient, and -55°C to 155°C operating range. The RN73R2ATTD2103C25 offers a higher power rating (0.125W vs. 0.1W), providing additional thermal margin. Both parts are ROHS3 compliant and feature moisture-resistant thin film construction. The RN73R2ATTD2103C25 includes automotive AEC-Q200 qualification, making it suitable for automotive and industrial applications. This part is currently in active production status with confirmed inventory availability.

TNPW0805210KBETA (Upgrade Substitute - Enhanced Tolerance Applications)

The TNPW0805210KBETA, manufactured by Vishay Dale, serves as an upgrade substitute where tighter tolerance specifications are required. This component provides ±0.1% tolerance (compared to ±0.25%), meeting higher precision requirements. The TNPW0805210KBETA maintains the same 210 kOhms resistance, ±25ppm/°C temperature coefficient, 0.125W power rating, and 0805 package format. Military-grade construction is specified. The operating temperature range is -55°C to 125°C, which is narrower than the main part. The TNPW0805210KBETA is RoHS non-compliant and REACH-affected, requiring verification against application compliance requirements before selection. This part is currently in active production status.

Frequently Asked Questions (FAQ)

Q: Can RN73R2ATTD2103C25 be used as a direct replacement for RN732ATTD2103C25?

A: Yes. Both components share identical resistance (210 kOhms), tolerance (±0.25%), temperature coefficient (±25ppm/°C), operating temperature range (-55°C to 155°C), package format (0805), and composition (thin film). The RN73R2ATTD2103C25 provides higher power rating (0.125W vs. 0.1W), which is compatible with the original design. Both are ROHS3 compliant and moisture-resistant.

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

A: RN73R2ATTD2103C25 maintains the original ±0.25% tolerance specification and is recommended for direct replacement. TNPW0805210KBETA offers tighter ±0.1% tolerance for applications requiring enhanced precision, but operates at a narrower temperature range (-55°C to 125°C) and is RoHS non-compliant.

Q: Are the physical dimensions identical across all three parts?

A: The length and width are identical (0.079" L x 0.049" W / 2.00mm x 1.25mm). The maximum seated height differs slightly: RN732ATTD2103C25 and RN73R2ATTD2103C25 are 0.024" (0.60mm), while TNPW0805210KBETA is 0.022" (0.55mm). This minor difference does not affect PCB layout compatibility for standard 0805 footprints.

Q: Which substitute should be selected for automotive applications?

A: RN73R2ATTD2103C25 is qualified to automotive AEC-Q200 standard and is the appropriate choice for automotive applications. TNPW0805210KBETA is military-grade but lacks automotive qualification.

Q: What are the compliance implications of selecting TNPW0805210KBETA?

A: TNPW0805210KBETA is RoHS non-compliant and REACH-affected. Applications subject to RoHS3 compliance requirements must use RN73R2ATTD2103C25 instead. Verify regulatory requirements before component selection.

Q: Is the higher power rating of the substitutes a concern?

A: No. Both substitute parts are rated at 0.125W (1/8W), which exceeds the original 0.1W (1/10W) specification. Higher power ratings provide additional thermal margin and do not negatively impact circuit performance.