RN732ATTD3012C25 Equivalent & Substitute Parts

Part Overview

The RN732ATTD3012C25 is a 30.1 kOhms ±0.25% thin film chip resistor manufactured by KOA Speer Electronics, Inc. in 0805 (2012 Metric) package format with 0.1W power rating and moisture-resistant construction. This part is classified as obsolete, necessitating identification of equivalent and substitute components for ongoing design requirements and procurement needs. The part operates across -55°C to 155°C temperature range with ±25ppm/°C temperature coefficient and maintains ROHS3 compliance with MSL 1 rating.

Substiute Parts

RN732ATTD3012C25

KOA Speer Electronics, Inc.In Stock: 697RN732ATTD3012C25 Datasheet

Current PartRFQ

RN73R2ATTD3012C25

KOA Speer Electronics, Inc.In Stock: 742RN73R2ATTD3012C25 Datasheet

DirectRFQ

TNPW080530K1BETA

Vishay DaleIn Stock: 1123TNPW080530K1BETA Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RN732ATTD3012C25 is determined by the following critical parameters: resistance value (30.1 kOhms), tolerance specification (±0.25% or tighter), package format (0805 2012 Metric), composition (thin film), and operating temperature range compatibility (-55°C to 155°C minimum). Power rating may be equal or higher without functional impact. Temperature coefficient must remain ±25ppm/°C or better. Moisture resistance and MSL 1 rating are required for equivalent substitution.

Two substitute parts meet these criteria:

Direct Equivalent (RN73R2ATTD3012C25): Maintains identical resistance, tolerance, package, and composition with increased power rating (0.125W vs 0.1W) and automotive AEC-Q200 qualification. Active product status with higher inventory availability.

Upgrade Substitute (TNPW080530K1BETA): Provides superior tolerance (±0.1% vs ±0.25%), identical package and composition, with military-grade construction. Active product status with highest inventory level.

Parameter Comparison

Engineering Selection Recommendations

RN73R2ATTD3012C25 Selection Criteria: This direct equivalent substitute is appropriate for applications requiring ROHS3 compliance continuation and automotive-grade reliability (AEC-Q200 qualification). The increased power rating (0.125W vs 0.1W) provides thermal margin without altering circuit performance. Active product status ensures long-term availability. Select this substitute when the original RN732ATTD3012C25 becomes unavailable and regulatory compliance with ROHS3 is mandatory.

TNPW080530K1BETA Selection Criteria: This upgrade substitute provides superior tolerance specification (±0.1% vs ±0.25%), beneficial for precision analog circuits requiring tighter component matching. Military-grade construction supports high-reliability applications. However, RoHS non-compliance and reduced upper operating temperature limit (125°C vs 155°C) restrict applicability. Select this substitute only when tolerance improvement justifies RoHS compliance deviation and operating temperature remains within -55°C to 125°C range.

Compliance Considerations: Applications subject to ROHS3 regulatory requirements must use RN73R2ATTD3012C25. Applications with RoHS exemptions or military specifications may utilize TNPW080530K1BETA. Verify end-use application compliance requirements before final component selection.

Frequently Asked Questions (FAQ)

Q: Can RN73R2ATTD3012C25 directly replace RN732ATTD3012C25 in all applications?

A: Yes, within the specified operating temperature range of -55°C to 155°C. The RN73R2ATTD3012C25 maintains identical electrical specifications (30.1 kOhms ±0.25%) and package format (0805 2012 Metric). The higher power rating (0.125W vs 0.1W) is functionally compatible and provides additional thermal margin. Both parts are ROHS3 compliant with MSL 1 rating.

Q: What is the primary advantage of TNPW080530K1BETA over the direct equivalent?

A: The TNPW080530K1BETA provides superior tolerance specification at ±0.1% compared to ±0.25% for both the original and direct equivalent parts. This tighter tolerance is advantageous for precision analog circuits, instrumentation, and applications requiring component matching. Military-grade construction supports high-reliability requirements.

Q: Are there any limitations when using TNPW080530K1BETA?

A: Two limitations apply: (1) RoHS non-compliance, which restricts use in applications subject to ROHS3 regulatory requirements; (2) Reduced upper operating temperature limit of 125°C versus 155°C for the original part. Verify that application operating conditions remain within -55°C to 125°C range before selection.

Q: Do all three parts use identical 0805 package dimensions?

A: All three parts use 0805 (2012 Metric) package format with identical length (0.079" / 2.00mm) and width (0.049" / 1.25mm). Height specifications are nearly identical: RN732ATTD3012C25 and RN73R2ATTD3012C25 at 0.024" (0.60mm) maximum, and TNPW080530K1BETA at 0.022" (0.55mm) maximum. PCB layout compatibility is maintained across all three parts.

Q: What inventory considerations apply to these substitutes?

A: RN732ATTD3012C25 (obsolete status) has 681 pieces available. RN73R2ATTD3012C25 (active status) has 696 pieces available. TNPW080530K1BETA (active status) has 1096 pieces available. For long-term procurement planning, active-status parts (RN73R2ATTD3012C25 and TNPW080530K1BETA) provide superior supply chain continuity.

Q: How do temperature coefficients compare across these parts?

A: All three parts maintain identical temperature coefficient specification of ±25ppm/°C, ensuring consistent frequency stability and resistance drift characteristics across the operating temperature range. This parameter does not differentiate substitution suitability.