RC14KB47K0 Equivalent & Substitute Parts

Part Overview

The RC14KB47K0 is a 47 kOhm ±10% 0.25W axial through-hole resistor manufactured by Stackpole Electronics Inc. This carbon composition resistor features non-inductive and pulse withstanding characteristics, with an operating temperature range of -55°C to 125°C. The product is classified as obsolete, making identification of suitable substitute components necessary for ongoing design support and procurement continuity.

Substiute Parts

RC14KB47K0

Stackpole Electronics IncIn Stock: 1241RC14KB47K0 Datasheet

Current PartRFQ

ASRM12JB47K0

Stackpole Electronics IncIn Stock: 778ASRM12JB47K0 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the RC14KB47K0 is based on the following critical parameters:

Electrical Compatibility:

• Resistance value must be 47 kOhms
• Tolerance must be equal to or tighter than ±10%
• Power rating must be equal to or greater than 0.25W
• Operating temperature range must encompass or exceed -55°C to 125°C

Mechanical Compatibility:

• Package type must be axial through-hole configuration
• Physical dimensions must be compatible with existing PCB layouts

Regulatory Compliance:

• RoHS3 compliance required
• REACH compliance status must be maintained

The ASRM12JB47K0 meets all substitution criteria with improved electrical specifications and active product status.

Parameter Comparison

Engineering Selection Recommendations

The ASRM12JB47K0 is the manufacturer-recommended substitute for the RC14KB47K0. Selection of this substitute is supported by the following factors:

Product Status: The RC14KB47K0 is obsolete, while the ASRM12JB47K0 maintains active product status, ensuring long-term availability and supply chain continuity.

Regulatory Compliance: Both components maintain ROHS3 compliance and REACH unaffected status, meeting current environmental and regulatory requirements.

Electrical Specifications: The ASRM12JB47K0 provides tighter tolerance (±5% versus ±10%) and higher power rating (0.5W versus 0.25W), offering improved performance margins in circuit applications.

Temperature Range: The substitute extends the upper operating temperature limit to 155°C, providing broader thermal operating capability compared to the original 125°C maximum.

Frequently Asked Questions (FAQ)

Q: Can the ASRM12JB47K0 be used as a direct replacement for the RC14KB47K0?

A: Yes. Both components share identical resistance values, axial package configuration, and compatible operating temperature ranges. The substitute meets or exceeds all electrical and mechanical parameters of the original part.

Q: What are the key differences between these two resistors?

A: The primary differences are composition (carbon composition versus metal film), tolerance (±10% versus ±5%), power rating (0.25W versus 0.5W), and product status (obsolete versus active). The substitute provides improved tolerance accuracy and higher power dissipation capability.

Q: Are there any circuit design considerations when substituting these parts?

A: The ASRM12JB47K0 has slightly larger physical dimensions (0.118" Dia x 0.354" L versus 0.094" Dia x 0.248" L). Verify PCB layout clearances before implementation. The metal film composition of the substitute may exhibit different frequency response characteristics compared to the carbon composition original.

Q: Will the substitute affect circuit performance?

A: The tighter tolerance and higher power rating of the ASRM12JB47K0 generally improve circuit stability and thermal performance. No adverse effects are expected in standard circuit applications.

Q: Is the ASRM12JB47K0 available in the same packaging format?

A: Yes. Both components use axial through-hole packaging. The substitute is available in bulk packaging, consistent with standard procurement practices.