RNCF0805DTC412R Equivalent & Substitute Parts

Part Overview

The RNCF0805DTC412R is a 412 Ohm thin film chip resistor manufactured by Stackpole Electronics Inc in the 0805 (2012 Metric) package. This component is rated for 0.25W (1/4W) power dissipation with ±0.5% tolerance and meets AEC-Q200 automotive qualification standards. The part operates across -55°C to 155°C with a temperature coefficient of ±50ppm/°C. Equivalent and substitute parts are identified based on matching resistance value, package size, and electrical performance within acceptable parameter ranges for this product category.

Substiute Parts

RNCF0805DTC412R

Stackpole Electronics IncIn Stock: 1176RNCF0805DTC412R Datasheet

Current PartRFQ

8-2176091-1

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

DirectRFQ

ERA-6AEB4120V

Panasonic Electronic ComponentsIn Stock: 10674ERA-6AEB4120V Datasheet

UpgradeRFQ

RG2012P-4120-B-T5

SusumuIn Stock: 1091RG2012P-4120-B-T5 Datasheet

UpgradeRFQ

RR1220P-4120-D-M

SusumuIn Stock: 5922RR1220P-4120-D-M Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RNCF0805DTC412R is determined by the following criteria:

Primary Matching Parameters:

• Resistance value: 412 Ohms (exact match required)
• Package: 0805 (2012 Metric) (exact match required)
• Composition: Thin Film (exact match required)

Acceptable Variation Parameters:

• Tolerance: ±0.5% or tighter (±0.1% acceptable as upgrade)
• Power Rating: 0.25W or higher (lower ratings such as 0.125W or 0.1W represent downgrades and require application verification)
• Temperature Coefficient: ±50ppm/°C or better (lower values acceptable)
• Operating Temperature Range: Must support -55°C minimum; upper limit of 125°C acceptable if application does not exceed this threshold
• Automotive Rating: AEC-Q200 preferred but not mandatory for non-automotive applications

Compliance Requirements:

• RoHS3 Compliant (mandatory)
• REACH Unaffected (mandatory)

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent (Same Electrical Performance): The 8-2176091-1 from TE Connectivity matches the RNCF0805DTC412R in power rating (0.25W) and operating temperature range (-55°C to 155°C). This part offers improved tolerance (±0.1% versus ±0.5%) and superior temperature coefficient (±25ppm/°C versus ±50ppm/°C). The 8-2176091-1 is suitable for direct substitution in applications where the original specification is met or exceeded.

Automotive-Qualified Upgrades: The ERA-6AEB4120V (Panasonic) and RG2012P-4120-B-T5 (Susumu) both carry AEC-Q200 automotive qualification and feature ±0.1% tolerance with ±25ppm/°C temperature coefficient. Both parts operate across the full -55°C to 155°C range. However, both are rated at 0.125W (1/8W) power dissipation, which is lower than the original 0.25W rating. These parts are suitable only for applications where power dissipation does not exceed 0.125W. The RG2012P-4120-B-T5 includes anti-sulfur protection.

Lower Power Alternative: The RR1220P-4120-D-M (Susumu) is rated at 0.1W (1/10W) with ±0.5% tolerance and ±25ppm/°C temperature coefficient. This part operates to 125°C maximum, which is 30°C below the original specification. This part is suitable only for applications with power dissipation not exceeding 0.1W and maximum operating temperature not exceeding 125°C.

Compliance Status: All substitute parts maintain ROHS3 compliance and REACH unaffected status, matching the original component's regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can I use the ERA-6AEB4120V or RG2012P-4120-B-T5 as direct replacements for the RNCF0805DTC412R?

A: These parts are electrically compatible in terms of resistance, tolerance, and temperature coefficient. However, both are rated at 0.125W power dissipation compared to the original 0.25W rating. Substitution is permissible only if your circuit design does not require power dissipation exceeding 0.125W at the resistor location.

Q: What is the difference between the 8-2176091-1 and the RNCF0805DTC412R?

A: The 8-2176091-1 is a direct equivalent with identical power rating (0.25W) and operating temperature range (-55°C to 155°C). The primary differences are improved tolerance (±0.1% versus ±0.5%) and better temperature coefficient (±25ppm/°C versus ±50ppm/°C). The 8-2176091-1 does not carry AEC-Q200 automotive qualification.

Q: Why does the RR1220P-4120-D-M have a lower maximum operating temperature?

A: The RR1220P-4120-D-M is specified for operation to 125°C maximum, which is 30°C below the original RNCF0805DTC412R specification of 155°C. This part is suitable only for applications where the maximum operating temperature does not exceed 125°C.

Q: Are all substitute parts available in the same packaging format?

A: The RNCF0805DTC412R, 8-2176091-1, ERA-6AEB4120V, RG2012P-4120-B-T5, and RR1220P-4120-D-M are all available in 0805 (2012 Metric) package. Packaging format (Tape & Reel or Cut Tape) may vary by supplier and should be confirmed during procurement.

Q: Which substitute part offers the best overall performance upgrade?

A: The 8-2176091-1 provides the most direct upgrade, maintaining identical power rating and temperature range while improving tolerance and temperature coefficient. For automotive applications requiring AEC-Q200 qualification, the ERA-6AEB4120V and RG2012P-4120-B-T5 are qualified options, with the RG2012P-4120-B-T5 offering additional anti-sulfur protection.

Q: Can I use a lower power-rated resistor if my application uses less power?

A: Yes, provided that the actual power dissipation at the resistor location does not exceed the substitute part's power rating. Verify your circuit design calculations before substitution.