RNCF0603BTE412R Equivalent & Substitute Parts

Part Overview

The RNCF0603BTE412R is a 412 Ohm thin film chip resistor manufactured by Stackpole Electronics Inc, designed for automotive applications with AEC-Q200 qualification. This 0603 (1608 Metric) package component delivers 0.167W power rating with ±0.1% tolerance and ±25ppm/°C temperature coefficient. The part is currently active in production with extensive inventory availability. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across the same package format and automotive qualification standards.

Substiute Parts

RNCF0603BTE412R

Stackpole Electronics IncIn Stock: 1077RNCF0603BTE412R Datasheet

Current PartRFQ

ERA-3AEB4120V

Panasonic Electronic ComponentsIn Stock: 1096008ERA-3AEB4120V Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RNCF0603BTE412R is determined by the following critical parameters:

Resistance value must be 412 Ohms with tolerance of ±0.1%. Package format must be 0603 (1608 Metric) to ensure mechanical and electrical compatibility with existing PCB layouts. Composition must be thin film to maintain temperature coefficient performance at ±25ppm/°C. Automotive AEC-Q200 qualification is required for applications demanding automotive-grade reliability. Operating temperature range must span -55°C to 155°C. RoHS3 compliance and MSL 1 rating must be maintained.

The ERA-3AEB4120V from Panasonic Electronic Components meets all substitution criteria with identical resistance, tolerance, package, composition, temperature coefficient, operating range, and automotive qualification. The primary distinction is power rating: the substitute part is rated at 0.1W (1/10W) compared to the main part's 0.167W (1/6W).

Parameter Comparison

Engineering Selection Recommendations

Both the RNCF0603BTE412R and ERA-3AEB4120V maintain active product status with full AEC-Q200 automotive qualification and ROHS3 compliance. Selection between these parts should be based on application power dissipation requirements. The RNCF0603BTE412R provides 0.167W power capacity, while the ERA-3AEB4120V provides 0.1W capacity. Applications requiring power dissipation below 0.1W can utilize either part interchangeably. Applications requiring power dissipation between 0.1W and 0.167W must use the RNCF0603BTE412R. Both parts share identical electrical characteristics including resistance, tolerance, temperature coefficient, and operating temperature range, ensuring functional equivalence within their respective power ratings.

Frequently Asked Questions (FAQ)

Q: Can ERA-3AEB4120V replace RNCF0603BTE412R in all applications?

A: Substitution is valid only when circuit power dissipation does not exceed 0.1W. The ERA-3AEB4120V is rated for 0.1W maximum, while the RNCF0603BTE412R is rated for 0.167W. Applications requiring higher power dissipation must use the RNCF0603BTE412R.

Q: Are the physical dimensions compatible?

A: Both parts use the 0603 (1608 Metric) package with identical height (0.022" maximum seated height). Length dimensions differ slightly (1.55mm vs 1.60mm), but both conform to 0603 package specifications and are mechanically compatible with standard PCB layouts.

Q: Do both parts meet automotive qualification requirements?

A: Yes. Both RNCF0603BTE412R and ERA-3AEB4120V carry AEC-Q200 automotive qualification and are suitable for automotive applications.

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

A: The ±0.1% tolerance indicates high precision resistors. Both parts maintain this tolerance specification, ensuring equivalent accuracy in circuit applications requiring tight resistance values.

Q: Are there any compliance differences between the parts?

A: No. Both parts are ROHS3 compliant, REACH unaffected, and carry MSL 1 (Unlimited) moisture sensitivity rating, indicating identical environmental and regulatory compliance.