RN732ATTD9420F25 Equivalent & Substitute Parts

Part Overview

The RN732ATTD9420F25 is a 942 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 features moisture-resistant construction with a temperature coefficient of ±25ppm/°C and operates across -55°C to 155°C. The part is ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating.

The RN732ATTD9420F25 is classified as obsolete. Equivalent and substitute parts are necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements. Substitute components maintain the same resistance value and package footprint while offering enhanced specifications, active product status, or alternative feature sets suitable for equivalent circuit applications.

Substiute Parts

RN732ATTD9420F25

KOA Speer Electronics, Inc.In Stock: 1070RN732ATTD9420F25 Datasheet

Current PartRFQ

RN73R2ATTD9420F25

KOA Speer Electronics, Inc.In Stock: 883RN73R2ATTD9420F25 Datasheet

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PAT0805E9420BST1

Vishay Dale Thin FilmIn Stock: 846PAT0805E9420BST1 Datasheet

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PHP00805E9420BBT1

Vishay Dale Thin FilmIn Stock: 730PHP00805E9420BBT1 Datasheet

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PHP00805E9420BST1

Vishay Dale Thin FilmIn Stock: 958PHP00805E9420BST1 Datasheet

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RNCF0805DTE942R

Stackpole Electronics IncIn Stock: 1124RNCF0805DTE942R Datasheet

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TNPW0805942RBEEA

Vishay DaleIn Stock: 756TNPW0805942RBEEA Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RN732ATTD9420F25 is determined by the following mandatory parameters:

Core Compatibility Requirements:

• Resistance value: 942 Ohms (exact match required)
• Package / Case: 0805 (2012 Metric) (exact match required)
• Composition: Thin Film (exact match required)
• Temperature Coefficient: ±25ppm/°C (exact match required)
• Operating Temperature Range: Minimum -55°C ~ 155°C (equal or extended range acceptable)
• Moisture Resistance: Required feature
• MSL Rating: 1 (Unlimited) (exact match required)

Allowable Variation Parameters:

• Tolerance: ±1% or tighter (±0.5%, ±0.1% acceptable as upgrades)
• Power Rating: 0.1W or higher (0.125W, 0.2W, 0.25W, 0.26W, 0.63W acceptable as upgrades)
• Product Status: Active preferred; obsolete acceptable for direct equivalents
• Certifications: AEC-Q200, anti-sulfur, flame-proof features are optional enhancements
• RoHS Status: ROHS3 compliant preferred; non-compliant noted where applicable

All substitute parts listed maintain identical resistance, package, composition, and temperature coefficient specifications. Variations in tolerance and power rating represent functional upgrades suitable for direct replacement in equivalent circuit applications.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent (Same Specifications):

RN73R2ATTD9420F25 serves as the direct equivalent to RN732ATTD9420F25. Both components share identical resistance, tolerance, package, composition, and temperature coefficient specifications. RN73R2ATTD9420F25 is active product status with automotive AEC-Q200 certification and ROHS3 compliance, making it the primary replacement for obsolete RN732ATTD9420F25 applications.

Upgraded Substitutes (Enhanced Specifications):

PAT0805E9420BST1 (Vishay Dale) provides tolerance upgrade to ±0.1% with increased power rating of 0.2W. This component includes anti-sulfur coating, automotive AEC-Q200 certification, and ROHS3 compliance. Suitable for applications requiring improved tolerance performance.

PHP00805E9420BST1 (Vishay Dale) offers ±0.1% tolerance with 0.63W power rating, flame-proof construction, and safety features. ROHS3 compliant. Applicable to high-reliability and safety-critical circuit applications.

RNCF0805DTE942R (Stackpole Electronics) provides ±0.5% tolerance with 0.25W power rating and automotive AEC-Q200 certification. ROHS3 compliant. Note: This component does not include moisture-resistant feature specification.

TNPW0805942RBEEA (Vishay Dale) delivers ±0.1% tolerance with 0.26W power rating, anti-sulfur coating, automotive AEC-Q200 certification, and extended operating temperature to 175°C. ROHS3 compliant. Suitable for automotive and extended temperature applications.

Compliance Considerations:

All recommended substitutes maintain ROHS3 compliance except PHP00805E9420BBT1, which is RoHS non-compliant. Selection should align with end-product regulatory requirements.

Moisture Resistance:

RNCF0805DTE942R does not specify moisture-resistant features. Applications requiring moisture resistance should select from RN73R2ATTD9420F25, PAT0805E9420BST1, PHP00805E9420BST1, or TNPW0805942RBEEA.

Frequently Asked Questions (FAQ)

Q: Can RN73R2ATTD9420F25 directly replace RN732ATTD9420F25?

A: Yes. RN73R2ATTD9420F25 is the direct equivalent. Both components share identical 942 Ohm resistance, ±1% tolerance, 0805 package, thin film composition, ±25ppm/°C temperature coefficient, and -55°C to 155°C operating range. RN73R2ATTD9420F25 is active product status with automotive AEC-Q200 certification.

Q: What is the difference between ±1% and ±0.1% tolerance?

A: Tolerance specifies the allowable deviation from the nominal resistance value. ±1% tolerance allows ±9.42 Ohms deviation from 942 Ohms (933.58 to 950.42 Ohms). ±0.1% tolerance allows ±0.942 Ohms deviation (941.058 to 942.942 Ohms). Tighter tolerance (±0.1%) provides higher precision and is suitable for applications requiring strict resistance accuracy.

Q: Can I use a higher power-rated resistor as a substitute?

A: Yes. Higher power ratings are acceptable substitutes. The RN732ATTD9420F25 is rated 0.1W. Substitutes rated 0.125W, 0.2W, 0.25W, 0.26W, or 0.63W are functionally compatible. Higher power ratings provide greater thermal dissipation capability without affecting circuit performance in applications operating below the original power specification.

Q: What does AEC-Q200 certification mean?

A: AEC-Q200 is an automotive qualification standard for passive components. Components meeting AEC-Q200 certification are qualified for automotive applications and undergo rigorous reliability testing. This certification is optional for general-purpose applications but required for automotive and safety-critical designs.

Q: Is the 0805 package footprint identical across all substitute parts?

A: Yes. All substitute parts use 0805 (2012 Metric) package format with identical footprint dimensions of 0.079" L x 0.049" W (2.00mm x 1.25mm). Height variations exist (0.024" to 0.033" maximum seated height), but these do not affect PCB footprint compatibility. Verify clearance for components with maximum height of 0.033" (PHP series).

Q: Why is RNCF0805DTE942R listed if it lacks moisture resistance?

A: RNCF0805DTE942R meets all core substitution parameters except moisture-resistant feature specification. It is included as an option for applications where moisture resistance is not required. Applications requiring moisture resistance should select from alternatives explicitly specifying this feature.

Q: Can I use PHP00805E9420BBT1 in RoHS-regulated applications?

A: No. PHP00805E9420BBT1 is RoHS non-compliant. Applications subject to RoHS regulations (EU, China, and other jurisdictions) must use ROHS3-compliant alternatives: RN73R2ATTD9420F25, PAT0805E9420BST1, PHP00805E9420BST1, RNCF0805DTE942R, or TNPW0805942RBEEA.

Q: What is MSL 1 (Unlimited) moisture sensitivity rating?

A: MSL (Moisture Sensitivity Level) 1 indicates the lowest moisture sensitivity classification. MSL 1 components have unlimited shelf life and do not require special moisture-control handling during storage, transportation, or assembly. All listed parts maintain MSL 1 rating.

Q: Does TNPW0805942RBEEA operate at higher temperatures than the original part?

A: Yes. TNPW0805942RBEEA operates across -55°C to 175°C, extending the upper temperature limit by 20°C compared to RN732ATTD9420F25 (-55°C to 155°C). This extended range is suitable for high-temperature applications while maintaining identical electrical characteristics within the original operating range.