RT0805DRD07124KL Equivalent & Substitute Parts

Part Overview

The RT0805DRD07124KL is a 124 kOhms ±0.5% thin film chip resistor in 0805 (2012 Metric) package rated at 0.125W (1/8W) power dissipation. Manufactured by YAGEO under the RT series, this component is actively produced and ROHS3 compliant. Substitute parts are identified when design requirements demand improved tolerance specifications, higher power ratings, automotive-grade reliability, or enhanced environmental performance while maintaining the same resistance value and package footprint.

Substiute Parts

RT0805DRD07124KL

YAGEOIn Stock: 1093RT0805DRD07124KL Datasheet

Current PartRFQ

RT0805BRD07124KL

YAGEOIn Stock: 10482RT0805BRD07124KL Datasheet

UpgradeRFQ

2176094-4

TE Connectivity Passive ProductIn Stock: 30232176094-4 Datasheet

DirectRFQ

ERA-6AEB1243V

Panasonic Electronic ComponentsIn Stock: 1482ERA-6AEB1243V Datasheet

UpgradeRFQ

RG2012N-1243-B-T5

SusumuIn Stock: 6041RG2012N-1243-B-T5 Datasheet

UpgradeRFQ

RG2012P-1243-B-T5

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

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RT0805DRD07124KL is determined by the following criteria:

Mandatory Compatibility Parameters:

• Resistance value: 124 kOhms (exact match required)
• Package / Case: 0805 (2012 Metric) (exact match required)
• Composition: Thin Film (exact match required)
• Operating temperature range: -55°C ~ 155°C (minimum requirement)
• RoHS compliance: ROHS3 Compliant (minimum requirement)

Allowable Variation Parameters:

• Tolerance: May be equal to or tighter (lower) than ±0.5%
• Power rating: May be equal to or higher than 0.125W
• Temperature coefficient: May be equal to or lower than ±25ppm/°C
• Features: May include additional certifications (AEC-Q200, Anti-Sulfur) without restriction

Substitute parts are grouped into upgrade categories where tolerance, power rating, temperature stability, or automotive qualification exceed the original specification while maintaining full mechanical and electrical compatibility.

Parameter Comparison

Engineering Selection Recommendations

RT0805BRD07124KL (YAGEO): Direct upgrade within the same manufacturer series. Improves tolerance from ±0.5% to ±0.1% while maintaining identical power rating, temperature coefficient, and package specifications. Suitable for applications requiring tighter resistance accuracy without automotive qualification requirements.

2176094-4 (TE Connectivity Passive Product): Provides doubled power rating (0.25W vs. 0.125W) with ±0.1% tolerance. Applicable in designs where thermal margin or power dissipation headroom is required. Maintains identical temperature coefficient and package footprint.

ERA-6AEB1243V (Panasonic Electronic Components): Automotive-grade AEC-Q200 qualified substitute with ±0.1% tolerance. Maintains original power rating and temperature coefficient. Specified for automotive and high-reliability applications requiring third-party qualification.

RG2012N-1243-B-T5 (Susumu): Premium automotive-grade substitute combining AEC-Q200 qualification, anti-sulfur coating, ±0.1% tolerance, and superior temperature coefficient (±10ppm/°C). Recommended for automotive and harsh-environment applications requiring maximum temperature stability.

RG2012P-1243-B-T5 (Susumu): Automotive-grade AEC-Q200 qualified substitute with anti-sulfur coating, ±0.1% tolerance, and standard temperature coefficient (±25ppm/°C). Provides automotive reliability and environmental protection without the enhanced temperature stability of the RG2012N variant.

All substitute parts maintain ROHS3 compliance, MSL 1 rating, and -55°C ~ 155°C operating temperature range. Selection should be based on application-specific requirements for tolerance, power dissipation, automotive qualification, and environmental exposure.

Frequently Asked Questions (FAQ)

Q: Can RT0805BRD07124KL be used as a direct replacement for RT0805DRD07124KL?

A: Yes. Both parts share identical package (0805), resistance (124 kOhms), power rating (0.125W), and temperature coefficient (±25ppm/°C). RT0805BRD07124KL offers improved tolerance (±0.1% vs. ±0.5%) and is pin-compatible with no circuit modifications required.

Q: What is the primary difference between RG2012N-1243-B-T5 and RG2012P-1243-B-T5?

A: Both are Susumu automotive-grade resistors with identical package, resistance, tolerance, and power rating. The RG2012N variant features a superior temperature coefficient (±10ppm/°C vs. ±25ppm/°C), providing enhanced temperature stability for precision applications.

Q: Why would 2176094-4 be selected over other substitutes?

A: The 2176094-4 offers doubled power rating (0.25W vs. 0.125W) while maintaining the 0805 package footprint. Selection is appropriate when circuit design requires increased thermal margin or higher power dissipation capability without changing board layout.

Q: Are automotive-grade substitutes (ERA-6AEB1243V, RG2012N-1243-B-T5, RG2012P-1243-B-T5) required for non-automotive applications?

A: No. Automotive qualification (AEC-Q200) is not mandatory for general-purpose applications. These parts are suitable for any application but are specifically validated for automotive environmental and reliability standards. Selection should align with application requirements.

Q: Do all substitute parts maintain the same physical dimensions?

A: All substitute parts use the 0805 (2012 Metric) package with identical length (0.079" / 2.00mm) and width (0.049" / 1.25mm). Height variations are minimal (0.020" to 0.026" seated height), and all parts are compatible with standard 0805 PCB footprints.

Q: What is the significance of anti-sulfur coating in RG2012N-1243-B-T5 and RG2012P-1243-B-T5?

A: Anti-sulfur coating protects the resistor element from sulfur-containing environmental contaminants, extending reliability in harsh industrial and automotive environments. This feature is not present in non-coated alternatives and is relevant only for applications with sulfur exposure risk.

Q: Can these substitutes be used interchangeably in the same circuit?

A: Yes, provided the application requirements are met. All substitute parts are mechanically and electrically compatible with the original RT0805DRD07124KL footprint. Selection should be based on specific design requirements for tolerance, power rating, temperature stability, and environmental qualification.