RT0805FRE07120KL Equivalent & Substitute Parts

Part Overview

The RT0805FRE07120KL is a 120 kOhms ±1% thin film chip resistor in 0805 (2012 Metric) package rated at 0.125W (1/8W) power dissipation. Manufactured by YAGEO and currently in active production status, this component is widely used in precision analog circuits, signal conditioning, and general-purpose resistive networks requiring moderate tolerance specifications.

Substitute parts are necessary when the original part becomes unavailable, when design requirements demand improved tolerance or temperature stability, or when application-specific certifications such as automotive AEC-Q200 qualification are required.

Substiute Parts

RT0805FRE07120KL

YAGEOIn Stock: 19058RT0805FRE07120KL Datasheet

Current PartRFQ

RT0805BRD07120KL

YAGEOIn Stock: 63641RT0805BRD07120KL Datasheet

UpgradeRFQ

RT0805DRD07120KL

YAGEOIn Stock: 7983RT0805DRD07120KL Datasheet

UpgradeRFQ

RT0805DRE07120KL

YAGEOIn Stock: 2197RT0805DRE07120KL Datasheet

UpgradeRFQ

ERA-6AEB124V

Panasonic Electronic ComponentsIn Stock: 11858ERA-6AEB124V Datasheet

UpgradeRFQ

RG2012P-124-B-T5

SusumuIn Stock: 17547RG2012P-124-B-T5 Datasheet

UpgradeRFQ

RN73R2ATTD1203F50

KOA Speer Electronics, Inc.In Stock: 5863RN73R2ATTD1203F50 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RT0805FRE07120KL is determined by the following criteria:

Primary Substitution Parameters:

• Resistance value: 120 kOhms (exact match required)
• Package / Case: 0805 (2012 Metric) (exact match required)
• Power rating: 0.125W minimum (equal or higher acceptable)
• Composition: Thin Film (exact match required)
• Operating temperature range: -55°C ~ 155°C minimum (equal or wider acceptable)

Secondary Compatibility Parameters:

• Tolerance: ±1% or better (tighter tolerance acceptable)
• Temperature coefficient: ±50ppm/°C or better (lower coefficient acceptable)
• RoHS and REACH compliance: ROHS3 Compliant and REACH Unaffected (maintained across all substitutes)
• Moisture sensitivity: MSL 1 (Unlimited) maintained

All substitute parts listed meet or exceed these criteria and are electrically and mechanically interchangeable with the RT0805FRE07120KL in standard PCB assembly processes.

Parameter Comparison

Engineering Selection Recommendations

Direct Upgrade Path (YAGEO Series): The RT0805BRD07120KL offers improved tolerance (±0.1% vs ±1%) and lower temperature coefficient (±25ppm/°C vs ±50ppm/°C) while maintaining identical package, power rating, and operating temperature range. This part is suitable for applications requiring enhanced precision without introducing external manufacturer dependencies.

Cross-Manufacturer Upgrades (Precision Applications): The ERA-6AEB124V (Panasonic) and RG2012P-124-B-T5 (Susumi) both provide ±0.1% tolerance and ±25ppm/°C temperature coefficient. The RG2012P-124-B-T5 includes anti-sulfur coating and is qualified to automotive AEC-Q200 standard, making it suitable for harsh environmental or automotive applications.

Parametric Equivalent (Automotive Applications): The RN73R2ATTD1203F50 (KOA Speer) maintains the original ±1% tolerance and ±50ppm/°C temperature coefficient while adding automotive AEC-Q200 qualification and moisture-resistant construction. This part is appropriate when the original specification must be preserved but automotive-grade reliability is required.

Tolerance-Matched Alternatives: The RT0805DRE07120KL and RT0805DRD07120KL provide ±0.5% tolerance as intermediate options between the original ±1% specification and the ±0.1% precision grades.

All listed parts maintain ROHS3 compliance, REACH unaffected status, and MSL 1 moisture sensitivity rating.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with tighter tolerance than the original RT0805FRE07120KL? A: Yes. A part with ±0.1% tolerance is electrically compatible with a circuit designed for ±1% tolerance. Tighter tolerance parts perform within the original specification window and provide improved accuracy.

Q: Are all substitute parts mechanically identical to the RT0805FRE07120KL? A: All listed substitutes use the 0805 (2012 Metric) package with identical footprint dimensions (0.079" L x 0.049" W / 2.00mm x 1.25mm). Maximum seated height varies slightly (0.024" for most parts, 0.020" for RG2012P-124-B-T5), but this does not affect PCB assembly compatibility.

Q: What is the difference between the YAGEO RT series variants? A: The RT0805FRE07120KL (±1%, ±50ppm/°C) differs from RT0805BRD07120KL (±0.1%, ±25ppm/°C) and RT0805DRD07120KL (±0.5%, ±25ppm/°C) in tolerance grade and temperature stability. Selection depends on circuit precision requirements.

Q: When should I use an automotive AEC-Q200 qualified part? A: Automotive AEC-Q200 qualification (ERA-6AEB124V, RG2012P-124-B-T5, RN73R2ATTD1203F50) is required for automotive applications, industrial environments with temperature cycling, or systems requiring enhanced reliability documentation. Standard industrial applications do not require this certification.

Q: Is the RG2012P-124-B-T5 anti-sulfur coating significant? A: Anti-sulfur coating protects against corrosion in high-sulfur environments (industrial areas, coastal regions). For standard indoor electronics, this feature provides no functional advantage but adds robustness in harsh conditions.

Q: Can I mix different substitute parts in the same circuit? A: Yes, all listed parts are electrically equivalent at the 120 kOhms resistance value and 0805 package level. Mixing parts with different tolerances (±1%, ±0.5%, ±0.1%) in the same circuit is acceptable; however, matching tolerance grades within critical signal paths is recommended for precision analog circuits.

Q: What is the inventory status for each part? A: Current stock levels range from 2,177 pcs (RT0805DRE07120KL) to 63,591 pcs (RT0805BRD07120KL). Availability should be verified with your supplier for production quantities.