RNCF0402BKE412R Equivalent & Substitute Parts

Part Overview

The RNCF0402BKE412R is a 412 Ohm thin film chip resistor manufactured by Stackpole Electronics Inc. This 0402 (1005 Metric) surface mount component is designed for automotive applications and meets AEC-Q200 qualification standards. The part is currently in active production status with 828 units available in inventory. Substitute parts are identified when equivalent electrical and mechanical specifications are required due to supply constraints, design flexibility, or application-specific requirements.

Substiute Parts

RNCF0402BKE412R

Stackpole Electronics IncIn Stock: 867RNCF0402BKE412R Datasheet

Current PartRFQ

ERA-2AEB4120X

Panasonic Electronic ComponentsIn Stock: 31021ERA-2AEB4120X Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RNCF0402BKE412R is determined by the following critical parameters:

• Resistance value: 412 Ohms (exact match required)
• Tolerance: ±0.1% (exact match required)
• Package type: 0402 (1005 Metric) (exact match required)
• Composition: Thin Film (exact match required)
• Temperature Coefficient: ±25ppm/°C (exact match required)
• Operating Temperature Range: -55°C to 155°C (exact match required)
• Automotive Qualification: AEC-Q200 (exact match required)
• RoHS Compliance: ROHS3 Compliant (exact match required)

The ERA-2AEB4120X qualifies as a direct substitute based on matching all critical electrical and mechanical parameters. The power rating difference (0.063W versus 0.1W) does not disqualify substitution when the application circuit operates within the lower power envelope.

Parameter Comparison

Engineering Selection Recommendations

Both the RNCF0402BKE412R and ERA-2AEB4120X are active production components with full AEC-Q200 automotive qualification and ROHS3 compliance. Selection between these parts should be based on circuit power dissipation requirements and supply availability. The ERA-2AEB4120X operates at a lower power rating (0.063W) and is suitable for applications where the actual power dissipation does not exceed this threshold. The RNCF0402BKE412R provides additional power margin at 0.1W. Both components maintain identical electrical performance characteristics including resistance tolerance, temperature coefficient, and operating temperature range.

Frequently Asked Questions (FAQ)

Q: Can ERA-2AEB4120X replace RNCF0402BKE412R in all applications?

A: The ERA-2AEB4120X is electrically and mechanically compatible when circuit power dissipation remains below 0.063W. If the application requires the full 0.1W power rating of the RNCF0402BKE412R, the Panasonic part is not suitable.

Q: Are there physical mounting differences between these parts?

A: Both components use the 0402 (1005 Metric) package with identical footprint dimensions. The maximum seated height differs slightly (0.014" for Stackpole versus 0.016" for Panasonic), which is negligible for standard PCB assembly.

Q: Do both parts meet automotive qualification requirements?

A: Yes. Both the RNCF0402BKE412R and ERA-2AEB4120X carry AEC-Q200 qualification and are suitable for automotive applications.

Q: What is the significance of the ±0.1% tolerance specification?

A: The ±0.1% tolerance ensures precise resistance values critical for high-accuracy analog circuits, signal conditioning, and precision measurement applications. Both parts maintain this specification.

Q: Are moisture sensitivity considerations identical?

A: Yes. Both components are rated MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.