AY22GK Equivalent & Substitute Parts

Part Overview

The AY22GK is a 2.2 Ohm, 4.5W through-hole radial resistor manufactured by Ohmite, part of the PulsEater® A series. This ceramic composition resistor features flame retardant coating, moisture resistance, non-inductive design, and pulse withstanding capability. The part is currently obsolete, with 709 units available in new original stock. Due to its obsolete status, identifying compatible substitute components is essential for ongoing system maintenance and new design implementations.

Substiute Parts

AY22GK

OhmiteIn Stock: 744AY22GK Datasheet

Current PartRFQ

AY22GKE

OhmiteIn Stock: 1250AY22GKE Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the AY22GK is determined by strict equivalence across the following critical parameters:

• Resistance value: 2.2 Ohms
• Tolerance: ±10%
• Power rating: 4.5W
• Composition: Ceramic
• Package configuration: Radial with 2 terminations
• Operating temperature range: -55°C ~ 150°C
• Feature set: Flame retardant coating, moisture resistance, non-inductive design, pulse withstanding capability

The AY22GKE meets all substitution criteria as a direct equivalent component. Both parts maintain identical electrical specifications and physical package dimensions, ensuring mechanical and electrical compatibility in existing circuit designs.

Parameter Comparison

Engineering Selection Recommendations

The AY22GKE is the direct substitute for the obsolete AY22GK. Both components are manufactured by Ohmite and provide identical electrical and mechanical performance across all critical parameters. The AY22GKE offers the advantage of active product status, ensuring continued availability and supply chain reliability.

The AY22GKE achieves RoHS compliance, whereas the AY22GK is RoHS non-compliant. This distinction is significant for applications subject to RoHS regulatory requirements. The AY22GKE's MSL rating of 1 (Unlimited) indicates superior moisture handling characteristics compared to the AY22GK's Not Applicable designation.

For new designs or system replacements, the AY22GKE is the appropriate selection. For legacy systems currently using the AY22GK, the AY22GKE provides a direct, pin-compatible replacement without circuit modification.

Frequently Asked Questions (FAQ)

Q: Can the AY22GKE be used as a direct replacement for the AY22GK in existing circuits?

A: Yes. The AY22GKE is electrically and mechanically equivalent to the AY22GK. Both components share identical resistance, tolerance, power rating, package type, and operating temperature specifications. No circuit modifications are required.

Q: What is the primary reason for substituting the AY22GK?

A: The AY22GK is obsolete. The AY22GKE is an active product from the same manufacturer with equivalent specifications, ensuring continued component availability and supply chain continuity.

Q: Are there dimensional differences between the AY22GK and AY22GKE?

A: Both components have identical seated height of 1.102" (28.00mm) and equivalent overall dimensions. The dimensional notation differs slightly between parts, but the physical package footprint and mounting characteristics are identical.

Q: Does the AY22GKE meet RoHS requirements?

A: Yes. The AY22GKE is RoHS compliant, whereas the AY22GK is RoHS non-compliant. This is relevant for applications subject to RoHS regulatory standards.

Q: What is the MSL rating difference, and does it affect substitution?

A: The AY22GKE has an MSL rating of 1 (Unlimited), indicating no moisture sensitivity restrictions. The AY22GK lists MSL as Not Applicable. This does not prevent substitution but indicates improved moisture handling in the AY22GKE.

Q: Are both parts available in the same radial package configuration?

A: Yes. Both the AY22GK and AY22GKE use radial package configuration with 2 terminations, ensuring identical PCB mounting and circuit board layout compatibility.