CF14JB2K00 Equivalent & Substitute Parts Reference

Part Overview

The CF14JB2K00 is a 2 kOhms ±5% 0.25W (1/4W) through-hole resistor manufactured by Stackpole Electronics Inc. This axial carbon film resistor features flame retardant coating and safety characteristics, designed for general-purpose electronic applications requiring reliable fixed resistance values. The part maintains active product status with 957 units in current inventory. Substitute parts are identified to support procurement flexibility, supply chain continuity, and design standardization across equivalent electrical and mechanical specifications.

Substiute Parts

CF14JB2K00

Stackpole Electronics IncIn Stock: 991CF14JB2K00 Datasheet

Current PartRFQ

CFR-25JB-52-2K

YAGEOIn Stock: 19380CFR-25JB-52-2K Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the CF14JB2K00 is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Requirements:

• Resistance value: 2 kOhms (exact match)
• Tolerance: ±5% (exact match)
• Power rating: 0.25W / 1/4W (exact match)
• Composition: Carbon Film (exact match)

Mechanical Equivalence Requirements:

• Package configuration: Axial through-hole (exact match)
• Number of terminations: 2 (exact match)
• Operating temperature range: -55°C to +155°C (minimum requirement)

Compliance Requirements:

• RoHS3 compliance (mandatory)
• REACH unaffected status (mandatory)

The CFR-25JB-52-2K from YAGEO satisfies all electrical and mechanical equivalence criteria, enabling direct substitution in circuit designs where the CF14JB2K00 is specified.

Parameter Comparison

Engineering Selection Recommendations

Both the CF14JB2K00 and CFR-25JB-52-2K meet the core electrical and mechanical requirements for 2 kOhms ±5% 1/4W axial carbon film resistor applications. Selection between these parts is based on the following factors:

Product Availability: The CFR-25JB-52-2K (YAGEO) maintains significantly higher inventory (19,301 units) compared to the CF14JB2K00 (957 units), supporting extended production runs and reducing lead time risk.

Compliance Status: Both parts are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic component procurement.

Physical Dimensions: Minor dimensional variations exist (0.091" vs 0.094" diameter; 0.236" vs 0.248" length). These differences remain within typical PCB layout tolerances for axial through-hole components and do not affect functional performance or board-level compatibility.

Temperature Coefficient: The CF14JB2K00 specifies 0 / -400ppm/°C while the CFR-25JB-52-2K specifies -500 / +350ppm/°C. Both values are acceptable for general-purpose applications within the -55°C to +155°C operating range. Applications requiring tighter temperature stability should verify temperature coefficient requirements against circuit specifications.

Frequently Asked Questions (FAQ)

Q: Can the CFR-25JB-52-2K directly replace the CF14JB2K00 in existing designs?

A: Yes. Both parts are electrically and mechanically equivalent with identical resistance (2 kOhms), tolerance (±5%), power rating (0.25W), composition (carbon film), package type (axial), and operating temperature range (-55°C to +155°C). Minor physical dimension variations do not affect PCB layout compatibility for standard through-hole applications.

Q: What are the key parameters that determine substitution eligibility?

A: Substitution requires exact equivalence in resistance value, tolerance, power rating, composition, package configuration, and number of terminations. Both parts must maintain the same operating temperature range and comply with RoHS3 and REACH requirements.

Q: Are there differences in temperature coefficient between these parts?

A: Yes. The CF14JB2K00 specifies 0 / -400ppm/°C while the CFR-25JB-52-2K specifies -500 / +350ppm/°C. For applications sensitive to resistance drift across temperature extremes, verify that the substitute part's temperature coefficient meets circuit performance requirements.

Q: How do physical dimensions affect substitution?

A: The CFR-25JB-52-2K is slightly larger (0.094" diameter × 0.248" length) compared to the CF14JB2K00 (0.091" diameter × 0.236" length). These minor variations remain within standard PCB layout tolerances for axial through-hole resistors and do not prevent direct substitution in typical applications.

Q: Which part should be selected for new designs?

A: Selection should be based on procurement requirements and supply chain strategy. The CFR-25JB-52-2K offers higher inventory availability. Both parts meet identical electrical specifications and regulatory compliance requirements.