RT1206CRE07121RL Equivalent & Substitute Parts

Part Overview

The RT1206CRE07121RL is a 121 Ohm thin film chip resistor manufactured by YAGEO in the 1206 (3216 Metric) package format. This component is rated for 0.25W power dissipation with ±0.25% tolerance and operates across the -55°C to 155°C temperature range. The part maintains Active product status with ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1).

Substitute parts are identified when equivalent resistance values, package formats, and operating temperature ranges are maintained while allowing variations in tolerance, power rating, and temperature coefficient specifications within acceptable engineering parameters.

Substiute Parts

RT1206CRE07121RL

YAGEOIn Stock: 957RT1206CRE07121RL Datasheet

Current PartRFQ

ERA-8AEB1210V

Panasonic Electronic ComponentsIn Stock: 23636ERA-8AEB1210V Datasheet

UpgradeRFQ

RNCF1206BTC121R

Stackpole Electronics IncIn Stock: 1181RNCF1206BTC121R Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RT1206CRE07121RL is determined by the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 121 Ohms
• Package format: 1206 (3216 Metric)
• Operating temperature range: -55°C ~ 155°C minimum
• Composition: Thin Film
• RoHS compliance: ROHS3 Compliant

Allowable Variation Parameters:

• Tolerance: May be equal to or tighter (lower) than ±0.25%
• Power rating: May be equal to or higher than 0.25W
• Temperature coefficient: May differ from ±50ppm/°C
• Certifications: Additional automotive or industrial ratings (AEC-Q200) are acceptable

The identified substitute parts ERA-8AEB1210V and RNCF1206BTC121R meet all mandatory matching criteria while offering improved tolerance specifications and automotive-grade certifications.

Parameter Comparison

Engineering Selection Recommendations

ERA-8AEB1210V (Panasonic Electronic Components) provides a direct functional equivalent with improved tolerance specification (±0.1% versus ±0.25%) and enhanced temperature stability (±25ppm/°C versus ±50ppm/°C). This part carries AEC-Q200 automotive qualification, suitable for applications requiring automotive-grade reliability. Physical dimensions are within acceptable tolerance (3.20mm L x 1.60mm W versus 3.10mm L x 1.60mm W).

RNCF1206BTC121R (Stackpole Electronics Inc) offers increased power dissipation capability (0.333W versus 0.25W) with tighter tolerance (±0.1%) and maintains the original temperature coefficient specification (±50ppm/°C). This part also carries AEC-Q200 certification and provides superior thermal performance for applications with higher power density requirements. Physical dimensions are closely matched (3.05mm L x 1.55mm W).

Both substitute parts maintain full compliance with ROHS3 and REACH requirements, identical operating temperature ranges, and unlimited moisture sensitivity ratings. Selection between substitutes depends on application-specific requirements for power dissipation and temperature stability.

Frequently Asked Questions (FAQ)

Q: Can ERA-8AEB1210V replace RT1206CRE07121RL in all applications?

A: Yes, provided the application does not require the specific temperature coefficient of ±50ppm/°C. The ERA-8AEB1210V offers superior tolerance (±0.1%) and lower temperature coefficient (±25ppm/°C), making it suitable for precision applications. Both parts operate identically across the -55°C to 155°C range and share the same 1206 package footprint.

Q: What is the advantage of RNCF1206BTC121R over the original part?

A: The RNCF1206BTC121R provides 33% higher power rating (0.333W versus 0.25W) while maintaining tighter tolerance (±0.1%). This allows operation at higher current levels without thermal stress. The part is physically compatible with the 1206 footprint and maintains the original ±50ppm/°C temperature coefficient.

Q: Are there physical compatibility concerns when substituting these parts?

A: All three parts use the 1206 (3216 Metric) package with two terminations. Dimensional variations are minimal: RT1206CRE07121RL measures 3.10mm L x 1.60mm W x 0.65mm H; ERA-8AEB1210V measures 3.20mm L x 1.60mm W x 0.70mm H; RNCF1206BTC121R measures 3.05mm L x 1.55mm W x 0.65mm H. These variations fall within standard PCB design tolerances for 1206 component placement.

Q: Do substitute parts maintain RoHS and REACH compliance?

A: Yes. All three parts are ROHS3 compliant and REACH unaffected. Both substitute parts carry identical environmental compliance status to the original RT1206CRE07121RL.

Q: Which substitute is recommended for automotive applications?

A: Both ERA-8AEB1210V and RNCF1206BTC121R carry AEC-Q200 automotive qualification. Selection depends on thermal requirements: ERA-8AEB1210V for precision temperature stability applications; RNCF1206BTC121R for higher power dissipation scenarios.