RC12JB22K0 Equivalent & Substitute Parts

Part Overview

The RC12JB22K0 is a 22 kOhms ±5% 0.5W axial through-hole resistor 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 product is classified as obsolete, making identification of suitable substitute components essential for ongoing system support and new design implementations.

Substiute Parts

RC12JB22K0

Stackpole Electronics IncIn Stock: 1020RC12JB22K0 Datasheet

Current PartRFQ

ASRM1JA22K0

Stackpole Electronics IncIn Stock: 1901ASRM1JA22K0 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the RC12JB22K0 is determined by the following critical parameters:

• Resistance Value: Must be 22 kOhms
• Tolerance: Must be ±5% or tighter
• Package Configuration: Must be axial through-hole
• Power Rating: Substitute must meet or exceed 0.5W minimum requirement
• Operating Temperature Range: Must support -55°C ~ 125°C minimum
• Regulatory Compliance: Must maintain ROHS3 compliance

The ASRM1JA22K0 qualifies as a direct substitute based on matching resistance, tolerance, axial package, and regulatory requirements. The substitute provides enhanced specifications including higher power rating (1W), extended temperature range (-55°C ~ 155°C), and metal film composition with improved stability characteristics.

Parameter Comparison

Engineering Selection Recommendations

The ASRM1JA22K0 is suitable for applications currently using the RC12JB22K0. Both components maintain ROHS3 compliance and are manufactured by the same supplier. The substitute offers improved availability due to active product status and provides enhanced performance margins through higher power rating and extended operating temperature range. The metal film composition of the substitute provides superior temperature stability compared to the carbon composition of the original part.

Frequently Asked Questions (FAQ)

Q: Can the ASRM1JA22K0 directly replace the RC12JB22K0 in existing designs?

A: Yes. Both components share identical resistance value (22 kOhms), tolerance (±5%), and axial package configuration. The substitute meets all minimum electrical and thermal requirements of the original part.

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

A: The main differences are composition type (carbon composition vs. metal film), power rating (0.5W vs. 1W), and operating temperature range (-55°C ~ 125°C vs. -55°C ~ 155°C). The substitute provides higher power dissipation capability and extended temperature operation.

Q: Are there any compatibility concerns with the axial package?

A: Both components use axial through-hole packaging. Physical dimensions differ slightly (RC12JB22K0: 3.60mm Dia x 9.50mm L; ASRM1JA22K0: 4.00mm Dia x 11.00mm L), but both are standard axial form factors suitable for PCB mounting in equivalent footprints.

Q: Does the substitute maintain regulatory compliance?

A: Yes. The ASRM1JA22K0 is ROHS3 compliant and REACH unaffected, matching the compliance status of the original RC12JB22K0.

Q: Why is the original part listed as obsolete?

A: The RC12JB22K0 has been discontinued by the manufacturer. The ASRM1JA22K0 represents the active equivalent from the same manufacturer for continued system support.