RN732ATTD3012B10 Equivalent & Substitute Parts

Part Overview

The RN732ATTD3012B10 is a 30.1 kOhms ±0.1% 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 ±10ppm/°C and operates across the -55°C to 155°C temperature range. The part is classified as obsolete, necessitating identification of active equivalent and substitute components that maintain electrical and mechanical compatibility for ongoing production and repair applications.

Substiute Parts

RN732ATTD3012B10

KOA Speer Electronics, Inc.In Stock: 914RN732ATTD3012B10 Datasheet

Current PartRFQ

RN73R2ATTD3012B10

KOA Speer Electronics, Inc.In Stock: 1015RN73R2ATTD3012B10 Datasheet

DirectRFQ

CRT0805-BW-3012ELF

Bourns Inc.In Stock: 1094CRT0805-BW-3012ELF Datasheet

DirectRFQ

RN73C2A30K1BTDF

TE Connectivity Passive ProductIn Stock: 20247RN73C2A30K1BTDF Datasheet

DirectRFQ

RN73C2A30K1BTG

TE Connectivity Passive ProductIn Stock: 731RN73C2A30K1BTG Datasheet

DirectRFQ

RT0805BRB0730K1L

YAGEOIn Stock: 1139RT0805BRB0730K1L Datasheet

DirectRFQ

RG2012N-3012-B-T5

SusumuIn Stock: 772RG2012N-3012-B-T5 Datasheet

UpgradeRFQ

RG2012N-3012-W-T1

SusumuIn Stock: 1247RG2012N-3012-W-T1 Datasheet

UpgradeRFQ

RG2012N-3012-W-T5

SusumuIn Stock: 1058RG2012N-3012-W-T5 Datasheet

UpgradeRFQ

RNCF0805BKT30K1

Stackpole Electronics IncIn Stock: 768RNCF0805BKT30K1 Datasheet

UpgradeRFQ

RNCF0805BTT30K1

Stackpole Electronics IncIn Stock: 726RNCF0805BTT30K1 Datasheet

UpgradeRFQ

RT0805WRB0730K1L

YAGEOIn Stock: 1181RT0805WRB0730K1L Datasheet

UpgradeRFQ

TNPU080530K1BZEN00

Vishay DaleIn Stock: 1410TNPU080530K1BZEN00 Datasheet

UpgradeRFQ

TNPW080530K1BYEA

Vishay DaleIn Stock: 930TNPW080530K1BYEA Datasheet

UpgradeRFQ

TNPW080530K1BYEN

Vishay DaleIn Stock: 922TNPW080530K1BYEN Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the RN732ATTD3012B10 is determined by strict adherence to the following electrical and mechanical parameters:

Critical Matching Parameters:

• Resistance value: 30.1 kOhms (exact match required)
• Tolerance: ±0.1% minimum (equal or tighter tolerance acceptable)
• Package / Case: 0805 (2012 Metric) (physical compatibility requirement)
• Composition: Thin Film (electrical performance characteristic)
• Temperature Coefficient: ±10ppm/°C (thermal stability requirement)
• Operating Temperature Range: -55°C to 155°C (environmental compatibility)
• Moisture Sensitivity Level: 1 (Unlimited) (handling and storage compatibility)
• RoHS Status: ROHS3 Compliant (regulatory requirement)

Acceptable Variation Parameters:

• Power Rating: 0.1W or higher (uprating acceptable; downrating not acceptable)
• Packaging Format: Tape & Reel (TR) or Strip (component-level substitution acceptable)
• Manufacturer: Different manufacturers acceptable if all electrical and mechanical parameters match

Substitute parts are categorized as Direct Substitutes (matching all parameters including power rating) or Upgrade Substitutes (higher power rating or improved tolerance specifications).

Parameter Comparison

Engineering Selection Recommendations

Direct Substitutes (Identical Power Rating - 0.1W):

RN73C2A30K1BTDF and RN73C2A30K1BTG (TE Connectivity Passive Product) are direct electrical and mechanical equivalents to the RN732ATTD3012B10. Both maintain the 0.1W power rating, ±0.1% tolerance, and all thermal and environmental specifications. RN73C2A30K1BTDF is supplied in Tape & Reel format (standard for production), while RN73C2A30K1BTG is supplied in Strip format (suitable for component-level applications). Both are active products with ROHS3 compliance and unlimited moisture sensitivity rating.

Upgrade Substitutes (Higher Power Rating - 0.125W):

The following parts provide upgraded specifications with 0.125W power rating while maintaining all other critical parameters:

• RN73R2ATTD3012B10 (KOA Speer Electronics): Same manufacturer as the original part, includes Automotive AEC-Q200 certification
• CRT0805-BW-3012ELF (Bourns Inc.): Current sense thin film composition
• RT0805BRB0730K1L (YAGEO): Standard thin film construction
• RG2012N-3012-B-T5 (Susumu): Includes Anti-Sulfur and Automotive AEC-Q200 features
• RNCF0805BKT30K1 and RNCF0805BTT30K1 (Stackpole Electronics Inc.): Automotive AEC-Q200 certified

Premium Upgrade Substitutes (Higher Power Rating and Tighter Tolerance - 0.125W, ±0.05%):

• RG2012N-3012-W-T1 (Susumu): ±0.05% tolerance with Anti-Sulfur and Automotive AEC-Q200 features
• RG2012N-3012-W-T5 (Susumu): ±0.05% tolerance with Anti-Sulfur and Automotive AEC-Q200 features

All substitute parts maintain ROHS3 compliance, MSL Level 1 (Unlimited), and the required -55°C to 155°C operating temperature range. Selection between direct and upgrade substitutes depends on circuit design requirements and power dissipation margins.

Frequently Asked Questions (FAQ)

Q: Can I use a 0.125W (1/8W) rated resistor in place of the 0.1W (1/10W) RN732ATTD3012B10?

A: Yes. The 0.125W rating is a higher power specification and is electrically compatible. The resistor will operate within safe thermal limits in any circuit designed for the original 0.1W component. This is an acceptable upgrade substitution.

Q: What is the difference between Tape & Reel and Strip packaging formats?

A: Both formats contain identical components. Tape & Reel (TR) packaging is standard for automated assembly and high-volume production. Strip packaging is used for manual assembly or lower-volume applications. The electrical and mechanical specifications are identical; packaging format selection depends on assembly process requirements.

Q: Are all substitute parts ROHS3 compliant like the original?

A: Yes. All listed substitute parts maintain ROHS3 compliance status, meeting the same regulatory requirements as the RN732ATTD3012B10.

Q: What does Moisture Sensitivity Level 1 (Unlimited) mean?

A: MSL 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. All substitute parts maintain this same MSL rating, ensuring identical handling and storage requirements.

Q: Can I substitute a ±0.05% tolerance part for the ±0.1% original?

A: Yes. The ±0.05% tolerance is tighter (more precise) than the ±0.1% specification. Parts with tighter tolerance are acceptable substitutes and provide improved accuracy in circuits where precision is beneficial.

Q: Are Automotive AEC-Q200 certified parts suitable for non-automotive applications?

A: Yes. Automotive AEC-Q200 certification indicates enhanced reliability testing and qualification. These parts exceed standard specifications and are suitable for any application requiring the base electrical and mechanical parameters, including non-automotive use.

Q: What is the temperature coefficient specification, and why does it matter?

A: The ±10ppm/°C temperature coefficient indicates the resistor's resistance value changes by ±10 parts per million for each degree Celsius change in operating temperature. All substitute parts maintain this identical specification, ensuring equivalent thermal stability across the -55°C to 155°C operating range.

Q: Which substitute part should I select for new production designs?

A: For new production, select from active products with standard Tape & Reel packaging. RN73C2A30K1BTDF (TE Connectivity) provides direct electrical equivalence at 0.1W. For applications with higher power dissipation margins or automotive requirements, RN73R2ATTD3012B10 (KOA Speer), RG2012N-3012-B-T5 (Susumu), or RNCF0805BKT30K1 (Stackpole) provide 0.125W upgrade specifications with active product status.

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

A: Yes. All substitute parts use the 0805 (2012 Metric) package format with identical footprint dimensions of 0.079" L x 0.049" W (2.00mm x 1.25mm). Height specifications vary slightly (0.024" to 0.026" seated height), but all are within standard 0805 package tolerances and are mechanically interchangeable on PCB layouts designed for 0805 components.