AT0805DRD07124KL Equivalent & Substitute Parts

Part Overview

The AT0805DRD07124KL is a 124 kOhms ±0.5% thin film chip resistor in 0805 (2012 Metric) package rated for 0.125W (1/8W) power dissipation. This YAGEO AT series component features anti-sulfur coating, automotive AEC-Q200 qualification, and moisture resistance suitable for demanding applications. The part is active in production with 1090 units in current inventory. Substitute parts are identified when equivalent electrical performance, mechanical compatibility, and compliance requirements can be met by alternative manufacturers while maintaining circuit functionality.

Substiute Parts

AT0805DRD07124KL

YAGEOIn Stock: 1171AT0805DRD07124KL Datasheet

Current PartRFQ

RT0805BRD07124KL

YAGEOIn Stock: 10482RT0805BRD07124KL Datasheet

MFR RecommendedRFQ

2176094-4

TE Connectivity Passive ProductIn Stock: 30232176094-4 Datasheet

MFR RecommendedRFQ

ERA-6AEB1243V

Panasonic Electronic ComponentsIn Stock: 1482ERA-6AEB1243V Datasheet

MFR RecommendedRFQ

RG2012P-1243-B-T5

SusumuIn Stock: 60052RG2012P-1243-B-T5 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria:

Mandatory Compatibility Parameters:

• Resistance value: 124 kOhms (exact match required)
• Package: 0805 (2012 Metric) (exact match required)
• Temperature Coefficient: ±25ppm/°C (exact match required)
• Operating Temperature Range: -55°C to 155°C (exact match required)
• Composition: Thin Film (exact match required)
• RoHS Status: ROHS3 Compliant (exact match required)
• Moisture Sensitivity Level: MSL 1 (exact match required)

Allowable Variations:

• Tolerance: May be equal to or tighter than ±0.5%
• Power Rating: May be equal to or greater than 0.125W
• Features: Anti-sulfur and AEC-Q200 automotive qualification are allowable but not mandatory for substitution
• Manufacturer: Different manufacturers acceptable if all mandatory parameters match

All four identified substitute parts meet these criteria and are electrically and mechanically interchangeable with the AT0805DRD07124KL.

Parameter Comparison

Engineering Selection Recommendations

All four substitute parts are electrically and mechanically compatible with the AT0805DRD07124KL based on matching mandatory parameters. Selection among substitutes depends on specific application requirements:

RT0805BRD07124KL (YAGEO): Offers tighter tolerance (±0.1% vs ±0.5%) from the same manufacturer as the main part. Suitable for applications requiring improved tolerance performance without automotive qualification requirements. 10469 units in inventory.

2176094-4 (TE Connectivity): Provides higher power rating (0.25W vs 0.125W) in the same 0805 package footprint. Appropriate for circuits with potential power dissipation margin requirements. Does not include automotive AEC-Q200 qualification. 2923 units in inventory.

ERA-6AEB1243V (Panasonic): Maintains automotive AEC-Q200 qualification with tighter tolerance (±0.1%). Suitable for automotive applications requiring alternative sourcing from Panasonic. 1415 units in inventory.

RG2012P-1243-B-T5 (Susumu): Combines automotive AEC-Q200 qualification with anti-sulfur coating matching the main part specifications, plus tighter tolerance (±0.1%). Highest inventory availability at 59946 units. Optimal for direct replacement in automotive applications with identical feature set.

Frequently Asked Questions (FAQ)

Q: Can RT0805BRD07124KL replace AT0805DRD07124KL in automotive applications?

A: RT0805BRD07124KL is electrically and mechanically compatible but lacks AEC-Q200 automotive qualification. Use only in non-automotive circuits or where automotive qualification is not required.

Q: What is the advantage of 2176094-4 over the main part?

A: The 2176094-4 provides 0.25W power rating versus 0.125W in the main part, offering additional thermal margin in power-dissipative circuits. All other electrical parameters remain equivalent.

Q: Are all substitutes suitable for high-reliability applications?

A: All substitutes maintain ROHS3 compliance and MSL 1 rating. For automotive high-reliability applications, ERA-6AEB1243V and RG2012P-1243-B-T5 include AEC-Q200 qualification. RT0805BRD07124KL and 2176094-4 lack this certification.

Q: Does tolerance difference affect circuit performance?

A: Substitute parts offer ±0.1% tolerance versus ±0.5% in the main part. This tighter tolerance reduces resistor value variation and may improve circuit accuracy in precision applications. Circuits designed for ±0.5% tolerance operate within specification with ±0.1% components.

Q: Can these parts be used interchangeably on the same PCB assembly?

A: Yes. All substitutes share identical 0805 (2012 Metric) package dimensions and footprint. PCB layout and reflow profiles require no modification for substitution.

Q: Which substitute offers the best inventory availability?

A: RG2012P-1243-B-T5 has the highest inventory at 59946 units, compared to 10469 (RT0805BRD07124KL), 2923 (2176094-4), and 1415 (ERA-6AEB1243V) units respectively.