RN732ATTD4591B25 Equivalent & Substitute Parts

Part Overview

The RN732ATTD4591B25 is a 4.59 kOhms ±0.1% thin film chip resistor manufactured by KOA Speer Electronics, Inc. in 0805 (2012 Metric) package format with 0.1W power rating. This part is classified as obsolete, necessitating identification of equivalent and substitute components for ongoing design requirements and procurement needs. Substitute parts maintain the same resistance value and tolerance while offering enhanced features, higher power ratings, or active product status.

Substiute Parts

RN732ATTD4591B25

KOA Speer Electronics, Inc.In Stock: 811RN732ATTD4591B25 Datasheet

Current PartRFQ

RN73R2ATTD4591B25

KOA Speer Electronics, Inc.In Stock: 1008RN73R2ATTD4591B25 Datasheet

DirectRFQ

TNPW08054K59BETY

Vishay DaleIn Stock: 1093TNPW08054K59BETY Datasheet

DirectRFQ

PAT0805E4591BST1

Vishay Dale Thin FilmIn Stock: 1209PAT0805E4591BST1 Datasheet

UpgradeRFQ

PHP00805E4591BBT1

Vishay Dale Thin FilmIn Stock: 1002PHP00805E4591BBT1 Datasheet

UpgradeRFQ

PHP00805E4591BST1

Vishay Dale Thin FilmIn Stock: 802PHP00805E4591BST1 Datasheet

UpgradeRFQ

TNPW08054K59BEEA

Vishay DaleIn Stock: 984TNPW08054K59BEEA Datasheet

UpgradeRFQ

TNPW08054K59BEEN

Vishay DaleIn Stock: 2286TNPW08054K59BEEN Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RN732ATTD4591B25 is determined by the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 4.59 kOhms
• Tolerance: ±0.1%
• Package / Case: 0805 (2012 Metric)
• Composition: Thin Film
• Temperature Coefficient: ±25ppm/°C
• Moisture Sensitivity Level: 1 (Unlimited)

Allowable Variation Parameters:

• Power rating: Equal to or greater than 0.1W
• Operating temperature range: Equal to or exceeding -55°C ~ 155°C
• Product status: Active preferred over obsolete
• Additional features: Automotive AEC-Q200, Anti-Sulfur, Flame Proof certifications are acceptable enhancements

Substitute parts are categorized as direct equivalents (same power rating) or upgrades (higher power rating or enhanced certifications).

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent (Same Power Rating): No direct equivalent with identical 0.1W power rating is available among active products. The RN73R2ATTD4591B25 from KOA Speer Electronics offers the closest match with 0.125W power rating and active product status, maintaining ROHS3 compliance and identical operating temperature range.

Upgrade Options (Higher Power Rating):

1. PAT0805E4591BST1 (0.2W): Recommended for designs requiring enhanced thermal margin. Offers Automotive AEC-Q200 certification, Anti-Sulfur protection, and ROHS3 compliance with identical operating temperature range (-55°C ~ 155°C).

2. TNPW08054K59BEEA / TNPW08054K59BEEN (0.26W): Suitable for applications requiring extended operating temperature range (-55°C ~ 175°C). Both feature Automotive AEC-Q200 certification, Anti-Sulfur protection, and ROHS3 compliance. TNPW08054K59BEEN offers higher inventory availability (2185 pcs).

3. PHP00805E4591BBT1 / PHP00805E4591BST1 (0.63W): Maximum power rating option for high-dissipation applications. Both include Flame Proof and Safety certifications. PHP00805E4591BST1 is ROHS3 compliant; PHP00805E4591BBT1 is RoHS non-compliant.

Compliance Considerations:

• ROHS3 compliance required: Select from RN73R2ATTD4591B25, PAT0805E4591BST1, PHP00805E4591BST1, TNPW08054K59BEEA, or TNPW08054K59BEEN
• Automotive applications: PAT0805E4591BST1, TNPW08054K59BEEA, or TNPW08054K59BEEN (all AEC-Q200 rated)
• Extended temperature range: TNPW08054K59BEEA or TNPW08054K59BEEN (-55°C ~ 175°C)

Frequently Asked Questions (FAQ)

Q: Can RN732ATTD4591B25 be directly replaced with RN73R2ATTD4591B25?

A: Yes. Both parts share identical resistance (4.59 kΩ), tolerance (±0.1%), package (0805), composition (thin film), and operating temperature range (-55°C ~ 155°C). The RN73R2ATTD4591B25 has a slightly higher power rating (0.125W vs 0.1W) and active product status, making it a suitable direct replacement.

Q: What is the difference between TNPW08054K59BEEN and TNPW08054K59BEEA?

A: Both parts are electrically and mechanically identical with 4.59 kΩ resistance, ±0.1% tolerance, 0.26W power rating, and 0805 package. The primary difference is inventory availability: TNPW08054K59BEEN has 2185 pcs in stock versus 943 pcs for TNPW08054K59BEEA.

Q: Why do some substitutes have higher power ratings?

A: Higher power ratings provide thermal margin and design flexibility without changing electrical performance. A 0.26W or 0.63W resistor can operate at lower temperatures than its rated power, extending component life and improving reliability in applications with thermal stress.

Q: Is TNPW08054K59BETY suitable for ROHS3-compliant designs?

A: No. TNPW08054K59BETY is RoHS non-compliant. For ROHS3-compliant designs, select from RN73R2ATTD4591B25, PAT0805E4591BST1, PHP00805E4591BST1, TNPW08054K59BEEA, or TNPW08054K59BEEN.

Q: What is the operating temperature difference between substitute options?

A: Most substitutes maintain the original -55°C ~ 155°C range. TNPW08054K59BEEA and TNPW08054K59BEEN extend the upper limit to 175°C, providing 20°C additional margin for high-temperature applications.

Q: Are all substitute parts in the same 0805 package?

A: Yes. All substitute parts use the 0805 (2012 Metric) package with identical footprint compatibility. Physical dimensions vary slightly (height ranges from 0.018" to 0.033"), but all fit standard 0805 PCB layouts.

Q: Which substitute offers the best combination of compliance and features?

A: PAT0805E4591BST1 combines ROHS3 compliance, Automotive AEC-Q200 certification, Anti-Sulfur protection, 0.2W power rating, and identical operating temperature range. TNPW08054K59BEEN offers similar compliance with extended temperature range and higher inventory availability.