RN732ATTD1202A10 Equivalent & Substitute Parts

Part Overview

The RN732ATTD1202A10 is a 12 kOhms ±0.05% thin film chip resistor manufactured by KOA Speer Electronics, Inc., rated at 0.1W (1/10W) in 0805 (2012 Metric) surface mount package. This component features moisture-resistant construction with a temperature coefficient of ±10ppm/°C and operates across -55°C to 155°C. The part is classified as obsolete, necessitating identification of equivalent and substitute components for ongoing design support and procurement continuity.

Substiute Parts

RN732ATTD1202A10

KOA Speer Electronics, Inc.In Stock: 847RN732ATTD1202A10 Datasheet

Current PartRFQ

RN73R2ATTD1202A10

KOA Speer Electronics, Inc.In Stock: 800RN73R2ATTD1202A10 Datasheet

DirectRFQ

RT0805WRB0712KL

YAGEOIn Stock: 1048RT0805WRB0712KL Datasheet

DirectRFQ

ERA-6ARW123V

Panasonic Electronic ComponentsIn Stock: 3954ERA-6ARW123V Datasheet

UpgradeRFQ

PLTT0805Z1202AGT5

Vishay Dale Thin FilmIn Stock: 1046PLTT0805Z1202AGT5 Datasheet

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RG2012N-123-W-T1

SusumuIn Stock: 5283RG2012N-123-W-T1 Datasheet

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RG2012N-123-W-T5

SusumuIn Stock: 1035RG2012N-123-W-T5 Datasheet

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TNPU080512K0AZEN00

Vishay DaleIn Stock: 724TNPU080512K0AZEN00 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the RN732ATTD1202A10 is determined by strict adherence to the following electrical and mechanical parameters:

Critical Matching Parameters:

• Resistance value: 12 kOhms (exact match required)
• Tolerance: ±0.05% (exact match required)
• Package: 0805 (2012 Metric) (exact match required)
• Composition: Thin Film (exact match required)
• Temperature Coefficient: ±10ppm/°C or better (±5ppm/°C acceptable as upgrade)
• Operating Temperature: Minimum -55°C to 155°C (higher upper limit acceptable)
• RoHS Compliance: ROHS3 Compliant (required)
• MSL Rating: 1 (Unlimited) (required)

Flexible Parameters (Upgradeable):

• Power Rating: 0.1W minimum (higher ratings acceptable as upgrades)
• Automotive Certification: Not required in main part; AEC-Q200 acceptable in substitutes
• Additional Features: Anti-corrosive, flame-proof, anti-sulfur properties acceptable as upgrades

All substitute parts listed maintain identical resistance, tolerance, package, and composition specifications. Variations in power rating and certifications represent functional upgrades suitable for direct replacement in the original application.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent (Same Power Rating):

RN73R2ATTD1202A10 from KOA Speer Electronics represents the primary direct equivalent. This part maintains identical electrical specifications (12 kOhms, ±0.05%, ±10ppm/°C) and package format while offering an upgrade to 0.125W power rating. The part is active in production status and includes AEC-Q200 automotive qualification, providing enhanced reliability for applications requiring automotive-grade components.

Recommended Substitutes (Higher Power Rating):

RT0805WRB0712KL (YAGEO), ERA-6ARW123V (Panasonic), RG2012N-123-W-T1 (Susumu), and RG2012N-123-W-T5 (Susumu) all provide 0.125W power rating with identical electrical specifications. ERA-6ARW123V and both Susumu variants include AEC-Q200 certification. These parts are suitable for applications where the original 0.1W rating is marginal or where automotive qualification is required.

Enhanced Specification Substitute:

PLTT0805Z1202AGT5 (Vishay Dale) offers the highest power rating at 0.25W with improved temperature coefficient (±5ppm/°C) and extended operating temperature to 215°C. This part includes anti-corrosive, flame-proof, and moisture-resistant features. Selection of this part is appropriate for applications requiring enhanced thermal margin or extended temperature operation.

Automotive Applications:

For designs requiring AEC-Q200 compliance, select from: RN73R2ATTD1202A10, ERA-6ARW123V, RG2012N-123-W-T1, RG2012N-123-W-T5, or TNPU080512K0AZEN00. All maintain the required electrical specifications while meeting automotive qualification standards.

High-Temperature Applications:

PLTT0805Z1202AGT5 is the only substitute supporting operation to 215°C, making it the sole option for applications exceeding 155°C upper temperature limit.

Frequently Asked Questions (FAQ)

Q: Can RN73R2ATTD1202A10 directly replace RN732ATTD1202A10?

A: Yes. RN73R2ATTD1202A10 maintains identical resistance (12 kOhms), tolerance (±0.05%), package (0805), and composition (thin film). The 0.125W power rating represents an upgrade from 0.1W, providing additional thermal margin. Both parts operate across -55°C to 155°C with ±10ppm/°C temperature coefficient.

Q: What is the difference between the Susumu RG2012N-123-W-T1 and RG2012N-123-W-T5 variants?

A: Both parts are electrically identical (12 kOhms, ±0.05%, 0.125W, ±10ppm/°C, -55°C to 155°C, AEC-Q200). The designation suffix (T1 vs. T5) indicates different tape reel packaging configurations. Selection between these variants depends on procurement and assembly equipment compatibility, not electrical performance.

Q: Is PLTT0805Z1202AGT5 suitable for all applications requiring RN732ATTD1202A10?

A: PLTT0805Z1202AGT5 is electrically compatible for applications operating within -55°C to 155°C. The part provides superior specifications: 0.25W power rating (vs. 0.1W), ±5ppm/°C temperature coefficient (vs. ±10ppm/°C), and extended upper temperature capability to 215°C. Physical dimensions are slightly larger (0.080" L x 0.050" W vs. 0.079" L x 0.049" W) and seated height is greater (0.033" vs. 0.024"). PCB layout verification is required before substitution.

Q: Which substitute offers the best temperature stability?

A: PLTT0805Z1202AGT5 and TNPU080512K0AZEN00 both feature ±5ppm/°C temperature coefficient, superior to the original ±10ppm/°C specification. PLTT0805Z1202AGT5 extends operation to 215°C, while TNPU080512K0AZEN00 operates to 125°C.

Q: Are all substitutes RoHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the original part specifications.

Q: What is the inventory status for each substitute?

A: RN73R2ATTD1202A10: 701 pcs; RT0805WRB0712KL: 939 pcs; ERA-6ARW123V: 3940 pcs; PLTT0805Z1202AGT5: 1010 pcs; RG2012N-123-W-T1: 5190 pcs; RG2012N-123-W-T5: 983 pcs; TNPU080512K0AZEN00: 693 pcs. All parts are listed as new original stock.