RC14JB2K00 Equivalent & Substitute Parts

Part Overview

The RC14JB2K00 is a 2 kOhms ±5% 0.25W (1/4W) through-hole resistor with axial leads manufactured by Stackpole Electronics Inc. This carbon composition resistor features non-inductive and pulse withstanding characteristics, designed for applications requiring these specific electrical properties. The part is classified as obsolete, making identification of suitable substitute components essential for ongoing design support and procurement.

Substiute Parts

RC14JB2K00

Stackpole Electronics IncIn Stock: 1190RC14JB2K00 Datasheet

Current PartRFQ

ASRM12JB2K00

Stackpole Electronics IncIn Stock: 719ASRM12JB2K00 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the RC14JB2K00 is based on the following critical parameters:

• Resistance Value: Must be 2 kOhms ±5%
• Package Type: Must be axial through-hole configuration
• Power Rating: Minimum 0.25W; higher ratings are acceptable for uprating applications
• Tolerance: Must match ±5%
• Pulse Withstanding Capability: Required feature for equivalent substitution
• Operating Temperature Range: Must support -55°C ~ 125°C minimum

The ASRM12JB2K00 meets these substitution criteria with identical resistance, tolerance, and package type. The substitute offers increased power rating (0.5W vs 0.25W) and extended temperature range (-55°C ~ 155°C), providing design margin while maintaining electrical equivalence.

Parameter Comparison

Engineering Selection Recommendations

The ASRM12JB2K00 is the manufacturer-recommended substitute for the obsolete RC14JB2K00. Both components are ROHS3 compliant and manufactured by Stackpole Electronics Inc, ensuring supply chain continuity and regulatory alignment.

The substitute provides functional equivalence with the following advantages:

• Active product status ensures long-term availability and supply reliability
• Increased power rating (0.5W vs 0.25W) provides thermal margin in circuit applications
• Extended operating temperature range (-55°C ~ 155°C vs -55°C ~ 125°C) supports broader environmental conditions
• Metal film composition with flame retardant coating offers enhanced safety characteristics
• Pulse withstanding capability is retained, maintaining performance in transient-sensitive applications

Physical dimensions differ slightly (0.118" Dia x 0.354" L vs 0.094" Dia x 0.248" L), requiring verification of mechanical fit in existing PCB layouts.

Frequently Asked Questions (FAQ)

Q: Can the ASRM12JB2K00 directly replace the RC14JB2K00 in all applications?

A: Electrical substitution is valid for circuits where the 0.25W power rating is not exceeded. The larger physical dimensions of the substitute must be verified against PCB layout constraints. Mechanical fit should be confirmed before implementation.

Q: What is the primary difference between these two resistors?

A: The main differences are composition (carbon composition vs metal film), power rating (0.25W vs 0.5W), and operating temperature range (-55°C ~ 125°C vs -55°C ~ 155°C). Electrical characteristics (resistance, tolerance, pulse withstanding) remain equivalent.

Q: Why is the RC14JB2K00 listed as obsolete?

A: Obsolete status indicates the manufacturer has discontinued production. The ASRM12JB2K00 is the active replacement offering equivalent electrical performance with improved specifications.

Q: Are there any compliance concerns with substitution?

A: Both parts are ROHS3 compliant and REACH unaffected. No compliance barriers exist for substitution in regulated applications.

Q: Does the metal film composition of the substitute affect circuit performance?

A: Metal film resistors typically offer better frequency response and lower noise compared to carbon composition. For DC and low-frequency applications, performance differences are negligible. High-frequency circuits may benefit from the improved characteristics.