RN732ATTD1172F25 Equivalent & Substitute Parts

Part Overview

The RN732ATTD1172F25 is an 11.7 kOhms ±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 currently classified as obsolete, necessitating identification of functionally equivalent alternatives that maintain electrical and mechanical compatibility while offering active product status and enhanced specifications where applicable.

Substiute Parts

RN732ATTD1172F25

KOA Speer Electronics, Inc.In Stock: 719RN732ATTD1172F25 Datasheet

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RN73R2ATTD1172F25

KOA Speer Electronics, Inc.In Stock: 1007RN73R2ATTD1172F25 Datasheet

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PAT0805E1172BST1

Vishay Dale Thin FilmIn Stock: 720PAT0805E1172BST1 Datasheet

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PHP00805E1172BBT1

Vishay Dale Thin FilmIn Stock: 1124PHP00805E1172BBT1 Datasheet

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PHP00805E1172BST1

Vishay Dale Thin FilmIn Stock: 661PHP00805E1172BST1 Datasheet

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RNCF0805BTE11K7

Stackpole Electronics IncIn Stock: 960RNCF0805BTE11K7 Datasheet

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RNCF0805TKE11K7

Stackpole Electronics IncIn Stock: 1010RNCF0805TKE11K7 Datasheet

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RT0805BRD0711K7L

YAGEOIn Stock: 10690RT0805BRD0711K7L Datasheet

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TNPW080511K7BEEA

Vishay DaleIn Stock: 1175TNPW080511K7BEEA Datasheet

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TNPW080511K7BETY

Vishay DaleIn Stock: 1122TNPW080511K7BETY Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the RN732ATTD1172F25 is determined by strict adherence to the following electrical and mechanical parameters:

Critical Parameters (Must Match):

• Resistance value: 11.7 kOhms
• Package format: 0805 (2012 Metric)
• Composition: Thin Film
• Temperature coefficient: ±25ppm/°C
• Operating temperature range: -55°C to 155°C minimum
• Moisture Sensitivity Level: 1 (Unlimited)

Allowable Variations:

• Tolerance: May be equal to or tighter than ±1% (±0.1% or ±0.01% acceptable)
• Power rating: May be equal to or greater than 0.1W (upgrades to 0.125W, 0.25W, 0.26W, 0.2W, or 0.63W permitted)
• Additional certifications: AEC-Q200, anti-sulfur, flame-proof, or military ratings are permissible enhancements
• RoHS compliance: ROHS3 compliant preferred; non-compliant parts listed for reference only

Substitute parts are grouped by power rating upgrade level, with tolerance improvements noted where applicable.

Parameter Comparison

Engineering Selection Recommendations

Direct Replacement (Same Power Rating):

RN73R2ATTD1172F25 (KOA Speer) serves as the primary direct substitute. This part maintains the ±1% tolerance and 0.125W power rating while offering active product status and ROHS3 compliance. It includes automotive AEC-Q200 certification and moisture-resistant construction identical to the original specification.

Tolerance-Upgraded Substitutes (±0.1% Tolerance):

Parts with ±0.1% tolerance provide improved accuracy while maintaining or exceeding power ratings:

• RNCF0805BTE11K7 (Stackpole): 0.25W rating with AEC-Q200 automotive qualification
• RT0805BRD0711K7L (YAGEO): 0.125W rating, highest inventory availability (10,587 pcs)
• TNPW080511K7BEEA (Vishay Dale): 0.26W rating with extended temperature range to 175°C, anti-sulfur and AEC-Q200 features
• PAT0805E1172BST1 (Vishay Dale): 0.2W rating with anti-sulfur and AEC-Q200 features

Ultra-Precision Substitute (±0.01% Tolerance):

RNCF0805TKE11K7 (Stackpole): Offers ±0.01% tolerance with 0.125W rating and AEC-Q200 certification for applications requiring exceptional accuracy.

High-Power Substitutes (0.63W Rating):

• PHP00805E1172BST1 (Vishay Dale): ROHS3 compliant with flame-proof and safety features
• PHP00805E1172BBT1 (Vishay Dale): Identical specifications but RoHS non-compliant; use only where RoHS exemption applies

Military-Grade Substitute:

TNPW080511K7BETY (Vishay Dale): Military-rated thin film resistor with ±0.1% tolerance and 0.125W rating. Note: RoHS non-compliant and REACH affected; verify regulatory requirements before selection.

Selection Criteria:

• For standard industrial applications: RN73R2ATTD1172F25 or RT0805BRD0711K7L
• For automotive applications: RNCF0805BTE11K7, TNPW080511K7BEEA, or PAT0805E1172BST1
• For high-accuracy circuits: RNCF0805TKE11K7
• For extended temperature operation: TNPW080511K7BEEA (-55°C to 175°C)
• For high-power dissipation: PHP00805E1172BST1 or PHP00805E1172BBT1

All recommended substitutes maintain 0805 package format, ±25ppm/°C temperature coefficient, and MSL 1 rating. Verify final application requirements including temperature range, power dissipation, and regulatory compliance before implementation.

Frequently Asked Questions (FAQ)

Q: Can RN732ATTD1172F25 be replaced with a higher tolerance part?

A: Yes. Parts with ±0.1% or ±0.01% tolerance are acceptable substitutes, as tighter tolerance represents an upgrade. The original ±1% tolerance is the maximum allowable deviation; tighter tolerances maintain backward compatibility while improving circuit accuracy.

Q: What is the difference between 0.1W and 0.125W power ratings?

A: Power rating indicates maximum continuous power dissipation. A 0.125W (1/8W) rated resistor can safely dissipate more heat than a 0.1W (1/10W) rated part. Upgrading to higher power ratings is permissible and provides additional thermal margin. Verify actual circuit power dissipation does not exceed the selected part's rating.

Q: Are AEC-Q200 certified parts compatible with non-automotive applications?

A: Yes. AEC-Q200 certification indicates automotive-grade reliability and environmental testing. These parts exceed standard industrial specifications and are fully compatible with non-automotive circuits. Their use provides enhanced reliability without application restrictions.

Q: Why do some substitutes have different operating temperature ranges?

A: Operating temperature range depends on component design and materials. TNPW080511K7BEEA extends to 175°C, while TNPW080511K7BETY limits to 125°C. Select based on actual circuit operating conditions. If the original application operates within -55°C to 155°C, any substitute covering this range is acceptable.

Q: What is the significance of anti-sulfur and flame-proof features?

A: Anti-sulfur construction resists corrosion from sulfur-containing environments, extending component life in industrial settings. Flame-proof rating indicates the resistor meets safety standards for fire resistance. These are optional enhancements; their presence does not affect basic electrical compatibility but may be required for specific applications or certifications.

Q: Can TNPW080511K7BETY (RoHS non-compliant) be used in new designs?

A: RoHS non-compliance restricts use in applications subject to RoHS regulations (primarily EU markets and regulated industries). Verify regulatory requirements for your application. If RoHS3 compliance is mandatory, select alternatives such as RT0805BRD0711K7L, RNCF0805BTE11K7, or TNPW080511K7BEEA.

Q: Is the 0805 package size identical across all substitutes?

A: Yes. All substitutes use 0805 (2012 Metric) package format with 2 terminations. Physical dimensions are standardized: 0.079" L × 0.049" W (2.00mm × 1.25mm). Height variations (0.022" to 0.033") are within normal manufacturing tolerances and do not affect PCB layout compatibility.

Q: Which substitute offers the best inventory availability?

A: RT0805BRD0711K7L (YAGEO) provides the highest stock level at 10,587 pieces. For immediate availability with active product status, this part offers optimal supply chain reliability.

Q: Can multiple substitute parts be used interchangeably on the same PCB?

A: Yes, provided all selected parts meet the circuit's electrical requirements (resistance, tolerance, power dissipation, temperature range). Mixing different manufacturers on the same board is acceptable from an electrical standpoint. Verify mechanical fit and thermal management if parts have different height specifications.