AX100KE Equivalent & Substitute Parts

Part Overview

The AX100KE is a 10 Ohm, ±10% tolerance, 4.6W radial through-hole 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 component is currently active in production with 1104 units in stock. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are required due to availability constraints, design flexibility, or application-specific performance needs.

Substiute Parts

AX100KE

OhmiteIn Stock: 1191AX100KE Datasheet

Current PartRFQ

AY100KE

OhmiteIn Stock: 930AY100KE Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the AX100KE is determined by the following critical parameters:

• Resistance Value: Must be 10 Ohms
• Tolerance: Must be ±10%
• Composition: Must be Ceramic
• Package Type: Must be Radial
• Operating Temperature Range: Must support -55°C ~ 150°C
• Termination Count: Must be 2
• Core Features: Must include Flame Retardant Coating, Moisture Resistant, Non-Inductive, Pulse Withstanding, and Safety characteristics

The AY100KE meets all substitution criteria. While it features a higher power rating (4.5W versus 4.6W), this represents an upgrade in thermal capability and does not compromise compatibility. Both parts share identical resistance, tolerance, composition, package configuration, operating temperature range, and feature set.

Parameter Comparison

Engineering Selection Recommendations

Both AX100KE and AY100KE are active production components from Ohmite with full regulatory compliance. The AX100KE maintains ROHS3 compliance, while the AY100KE holds RoHS compliance. Selection between these parts should be based on application power dissipation requirements and board space constraints. The AY100KE's increased power rating (4.5W) provides additional thermal margin in high-dissipation applications. Physical dimensions differ slightly; the AY100KE measures 0.827" Dia x 0.984" L compared to the AX100KE's 0.591" L x 0.827" W, with both sharing the same maximum seated height of 1.102" (28.00mm).

Frequently Asked Questions (FAQ)

Q: Can AY100KE replace AX100KE in all applications? A: Yes. Both parts share identical electrical specifications (10 Ohms, ±10% tolerance) and core features. The AY100KE's higher power rating represents a thermal upgrade suitable for equivalent or higher power dissipation scenarios.

Q: What is the difference in physical size between these parts? A: The AX100KE measures 0.591" L x 0.827" W (15.00mm x 21.00mm), while the AY100KE measures 0.827" Dia x 0.984" L (21.00mm x 25.00mm). Both have identical maximum seated heights of 1.102" (28.00mm). Board layout and clearance requirements should be evaluated for the larger AY100KE footprint.

Q: Are there compliance differences between these parts? A: The AX100KE is ROHS3 compliant, while the AY100KE is RoHS compliant. Both meet regulatory requirements for their respective markets. Verify compliance requirements for your specific application and region.

Q: Why would I choose AX100KE over AY100KE if AY100KE has higher power rating? A: The AX100KE may be preferred when board space is constrained due to its smaller physical dimensions, or when the 4.6W power rating is sufficient for the application and cost optimization is a factor.

Q: Are both parts suitable for pulse withstanding applications? A: Yes. Both AX100KE and AY100KE include pulse withstanding capability as a core feature, making them suitable for transient overvoltage and pulse current applications.