RNCF0805DTE412R Equivalent & Substitute Parts

Part Overview

The RNCF0805DTE412R is a 412 Ohm thin film chip resistor manufactured by Stackpole Electronics Inc, rated for 0.25W (1/4W) power dissipation with ±0.5% tolerance. This 0805 (2012 Metric) surface mount component meets AEC-Q200 automotive qualification standards and operates across the -55°C to 155°C temperature range. The part is actively produced and available in high volume, with 945 units currently in stock. Equivalent and substitute parts are identified to provide design flexibility, supply chain alternatives, and performance optimization options for applications requiring this resistance value and package configuration.

Substiute Parts

RNCF0805DTE412R

Stackpole Electronics IncIn Stock: 1020RNCF0805DTE412R Datasheet

Current PartRFQ

ERA-6AEB4120V

Panasonic Electronic ComponentsIn Stock: 10674ERA-6AEB4120V Datasheet

UpgradeRFQ

8-2176091-1

TE Connectivity Passive ProductIn Stock: 20598-2176091-1 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RNCF0805DTE412R is determined by the following critical parameters: resistance value (412 Ohms), package type (0805), composition (thin film), operating temperature range (-55°C to 155°C), and temperature coefficient (±25ppm/°C). All identified substitutes maintain these core electrical and mechanical specifications.

Two substitute categories are defined:

Upgrade Substitute (ERA-6AEB4120V): Improves tolerance performance from ±0.5% to ±0.1% while maintaining identical resistance, package, composition, and temperature characteristics. Power rating is reduced to 0.125W (1/8W), which represents a functional downgrade in power handling capacity.

Manufacturer Recommended Substitute (8-2176091-1): Maintains the original 0.25W (1/4W) power rating and improves tolerance to ±0.1%. Identical package, composition, and temperature specifications. This substitute provides equivalent or superior performance across all critical parameters.

Parameter Comparison

Engineering Selection Recommendations

For direct replacement with improved tolerance: The 8-2176091-1 (TE Connectivity) is the manufacturer-recommended substitute, offering ±0.1% tolerance versus the original ±0.5%, while maintaining identical 0.25W power rating, package dimensions, and operating temperature range. All three parts are ROHS3 compliant with MSL 1 rating.

For tolerance-critical applications: The ERA-6AEB4120V (Panasonic) provides the tightest tolerance specification at ±0.1%. This substitute is suitable for circuits where the 0.125W (1/8W) power rating is sufficient. The part maintains AEC-Q200 automotive qualification, matching the original specification.

For automotive applications: Both the RNCF0805DTE412R and ERA-6AEB4120V carry AEC-Q200 certification. The 8-2176091-1 does not specify automotive qualification in the provided data.

For supply chain continuity: All three parts are actively produced with substantial inventory availability (945 to 10,655 units), supporting long-term sourcing stability.

Frequently Asked Questions (FAQ)

Q: Can ERA-6AEB4120V replace RNCF0805DTE412R in all applications?

A: ERA-6AEB4120V is compatible for circuits where power dissipation does not exceed 0.125W (1/8W). The original part is rated for 0.25W (1/4W). If the circuit requires the full 0.25W power handling capacity, this substitute is not appropriate. All other electrical parameters (resistance, tolerance, temperature range, composition) are compatible.

Q: What is the primary advantage of 8-2176091-1 over the original part?

A: The 8-2176091-1 improves tolerance from ±0.5% to ±0.1%, providing tighter resistance accuracy. Power rating, package, and operating temperature specifications remain identical to the original RNCF0805DTE412R.

Q: Are all three parts mechanically interchangeable?

A: Yes. All three parts use the 0805 (2012 Metric) package with identical footprint dimensions (0.079" L x 0.049" W / 2.00mm x 1.25mm). Height specifications are equivalent (0.024" to 0.026" seated height). PCB layout and reflow soldering processes require no modification.

Q: Which substitute should be selected for automotive applications?

A: For automotive use, both RNCF0805DTE412R and ERA-6AEB4120V carry AEC-Q200 qualification. The 8-2176091-1 does not specify automotive certification in available documentation. If AEC-Q200 compliance is required, select either the original part or the Panasonic ERA-6AEB4120V.

Q: Do all parts meet RoHS and REACH compliance?

A: Yes. All three parts are ROHS3 compliant and REACH unaffected, with MSL 1 (unlimited) moisture sensitivity rating, supporting standard manufacturing and storage conditions.