Ohmite 21J2K2E Equivalent & Substitute Parts

Part Overview

The Ohmite 21J2K2E is a 2.2 kOhms ±5% 1W through-hole wirewound resistor with axial leads, featuring flame retardant coating and safety construction. This component is classified as Active product status with 1075 pieces currently in stock. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical packaging, and compliance certifications to ensure direct interchangeability in circuit applications.

Substiute Parts

21J2K2E

OhmiteIn Stock: 108921J2K2E Datasheet

Current PartRFQ

21J2K2

OhmiteIn Stock: 102521J2K2 Datasheet

Parametric EquivalentRFQ

21J2K2

OhmiteIn Stock: 102521J2K2 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the Ohmite 21J2K2E are identified as parametric equivalents based on the following criteria:

• Resistance value: 2.2 kOhms
• Tolerance: ±5%
• Power rating: 1W
• Composition: Wirewound
• Package configuration: Axial
• Features: Flame retardant coating and safety construction
• Temperature coefficient: ±30ppm/°C
• Physical dimensions: 0.157" Dia x 0.421" L (4.00mm x 10.70mm)
• Termination count: 2

The identified substitute part maintains all critical electrical and mechanical parameters required for direct replacement in circuit designs.

Parameter Comparison

Engineering Selection Recommendations

Both the 21J2K2E and 21J2K2 are Active product status components manufactured by Ohmite. The 21J2K2E carries RoHS Compliant certification, while the 21J2K2 carries ROHS3 Compliant certification. Both parts meet EAR99 export classification requirements. Selection between these parts depends on specific compliance requirements of the end application and inventory availability. The 21J2K2E has higher current inventory (1075 pieces) compared to the 21J2K2 (922 pieces).

Frequently Asked Questions (FAQ)

Q: Can the 21J2K2 substitute for the 21J2K2E in all applications?

A: Yes. Both parts share identical electrical specifications (2.2 kOhms ±5%, 1W), composition (wirewound), physical dimensions (0.157" Dia x 0.421" L), and features (flame retardant coating, safety construction). They are parametric equivalents suitable for direct substitution.

Q: What is the difference in RoHS compliance between these parts?

A: The 21J2K2E is RoHS Compliant, while the 21J2K2 is ROHS3 Compliant. Both meet regulatory requirements; ROHS3 represents a more recent compliance standard revision.

Q: Are the physical dimensions identical?

A: Yes. Both parts have identical dimensions of 0.157" Dia x 0.421" L (4.00mm x 10.70mm), ensuring mechanical compatibility in PCB layouts and through-hole applications.

Q: What is the temperature coefficient specification?

A: Both parts have a temperature coefficient of ±30ppm/°C, indicating equivalent thermal stability across operating conditions.

Q: Are both parts currently available?

A: Yes. The 21J2K2E has 1075 pieces in stock, and the 21J2K2 has 922 pieces in stock, both listed as new original inventory.