Honeywell 62JA500 Equivalent & Substitute Parts

Part Overview

The Honeywell 62JA500 is a 500 Ohm, 2W wirewound linear potentiometer designed for panel mount applications with a 10-turn adjustment mechanism and solder lug termination. This component is classified as obsolete, making equivalent substitute parts necessary for ongoing production and maintenance applications. The 62 series potentiometer provides precise resistive adjustment in industrial and instrumentation circuits requiring stable wirewound construction and linear taper characteristics.

Substiute Parts

62JA500

Honeywell Sensing and Productivity SolutionsIn Stock: 82362JA500 Datasheet

Current PartRFQ

3500S-2-501L

Bourns Inc.In Stock: 11653500S-2-501L Datasheet

SimilarRFQ

3540S-1-501L

Bourns Inc.In Stock: 9693540S-1-501L Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Honeywell 62JA500 is determined by strict equivalence across the following critical parameters:

Core Electrical Parameters:

• Resistance value: 500 Ohms (exact match required)
• Power rating: 2W (exact match required)
• Taper: Linear (exact match required)
• Number of turns: 10 (exact match required)
• Resistive material: Wirewound (exact match required)

Mechanical Parameters:

• Termination style: Solder Lug (exact match required)
• Mounting type: Panel Mount (exact match required)
• Bushing thread: 3/8-32 (exact match required)
• Body diameter: 0.875" nominal (exact match required)
• Number of gangs: 1 (exact match required)

Allowable Variations:

• Tolerance: ±3% to ±5% acceptable (tighter tolerance acceptable)
• Temperature coefficient: ±20ppm/°C to ±50ppm/°C acceptable (wider range acceptable)
• Actuator length: Minor variations within mechanical fit constraints
• Actuator diameter: Nominal 0.249" to 0.2497" acceptable
• Product status: Active preferred over obsolete
• Packaging format: Bulk or Tray acceptable
• RoHS compliance: ROHS3 acceptable for ROHS Compliant requirement

The Bourns 3500S-2-501L and 3540S-1-501L meet all core electrical and mechanical requirements and are classified as active products with current manufacturing support.

Parameter Comparison

Engineering Selection Recommendations

Bourns 3500S-2-501L Selection Criteria:

The Bourns 3500S-2-501L is suitable for applications where tighter resistance tolerance (±3%) is beneficial. This substitute offers improved tolerance performance compared to the original Honeywell 62JA500 (±5%). The component is classified as active with current manufacturing support, ensuring long-term availability. ROHS3 compliance exceeds the original RoHS Compliant requirement. The actuator length is 0.124" shorter than the original part; verify mechanical clearance in panel mount applications before selection.

Bourns 3540S-1-501L Selection Criteria:

The Bourns 3540S-1-501L maintains identical tolerance specification (±5%) to the original Honeywell 62JA500, providing direct functional equivalence. This substitute is classified as active with current manufacturing support. ROHS3 compliance exceeds the original RoHS Compliant requirement. The actuator length is 0.125" shorter than the original part; verify mechanical clearance in panel mount applications before selection. Tray packaging format supports automated assembly processes.

Common Considerations:

Both substitute parts meet all core electrical and mechanical requirements for panel mount 500 Ohm, 2W wirewound linear potentiometer applications. Both are manufactured by Bourns Inc., an established supplier with active product lines. Temperature coefficient specifications (±50ppm/°C) are wider than the original (±20ppm/°C); applications requiring tighter temperature stability should evaluate thermal performance requirements. Actuator length differences require verification of mechanical fit within panel cutout and control knob assembly constraints. Both substitutes are RoHS3 compliant, meeting current environmental compliance standards.

Frequently Asked Questions (FAQ)

Q: Can the Bourns 3500S-2-501L or 3540S-1-501L be used as direct replacements for the Honeywell 62JA500?

A: Both Bourns parts meet the core electrical and mechanical specifications required for substitution: 500 Ohm resistance, 2W power rating, linear taper, 10-turn wirewound construction, solder lug termination, 3/8-32 bushing thread, and panel mount configuration. Mechanical fit verification is required due to actuator length differences (0.124" to 0.125" shorter than original).

Q: What is the difference between the Bourns 3500S-2-501L and 3540S-1-501L?

A: The primary differences are tolerance specification and packaging format. The 3500S-2-501L offers ±3% tolerance (tighter than original ±5%) and is supplied in Bulk packaging. The 3540S-1-501L maintains ±5% tolerance (matching original specification) and is supplied in Tray packaging. Both have identical electrical performance, power rating, and mechanical mounting characteristics.

Q: Why is the actuator length different on the substitute parts?

A: The Honeywell 62JA500 has an actuator length of 0.937" (23.81mm), while both Bourns substitutes have actuator lengths of approximately 0.812" to 0.813" (20.63mm to 20.64mm). This 0.124" to 0.125" difference reflects design variations between manufacturers. Panel mount applications must verify that the shorter actuator length accommodates existing control knob assemblies and panel cutout dimensions.

Q: Are there compliance or certification differences between the original and substitute parts?

A: The original Honeywell 62JA500 is RoHS Compliant. Both Bourns substitutes are ROHS3 Compliant, which represents an enhanced compliance standard. All three parts share identical ECCN (EAR99) and HTSUS (8533.31.0000) classifications. The Honeywell part is classified as obsolete, while both Bourns substitutes are active products with current manufacturing support.

Q: What is the significance of the temperature coefficient difference?

A: The Honeywell 62JA500 specifies ±20ppm/°C temperature coefficient, while both Bourns substitutes specify ±50ppm/°C. The wider temperature coefficient on the Bourns parts indicates greater resistance variation across temperature extremes. Applications operating across wide temperature ranges or requiring tight resistance stability should evaluate whether the ±50ppm/°C specification meets performance requirements.

Q: Which substitute should be selected for new designs?

A: For new designs, either Bourns substitute is acceptable based on electrical and mechanical equivalence. Select the 3500S-2-501L if tighter tolerance (±3%) is beneficial for circuit performance. Select the 3540S-1-501L if tolerance matching the original specification (±5%) is preferred or if Tray packaging format supports manufacturing processes. Both are active products with established supply chains.

Q: Can these parts be used in high-temperature applications?

A: Both substitute parts are rated for the same 2W power dissipation as the original. Temperature coefficient specifications (±50ppm/°C) indicate resistance variation across operating temperature ranges. Specific maximum operating temperature ratings are not provided in the available parameters. Applications requiring high-temperature operation should obtain detailed thermal specifications from the manufacturer.

Q: What packaging formats are available?

A: The Honeywell 62JA500 packaging format is not specified. The Bourns 3500S-2-501L is supplied in Bulk packaging. The Bourns 3540S-1-501L is supplied in Tray packaging. Packaging selection should align with manufacturing assembly processes and inventory management requirements.